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生活小常识jk393,如何自学电脑

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生活小常识jk393,如何自学电脑?

电脑不仅能帮助我们快速完成重复性的工作,而且提供了一种休闲娱乐的方式。学电脑能够快速入门是每个新手梦寐以求的事情,但是不是每个人都能快速入门的。但是如果定制好合理计划,循序渐进,就会收到非常好的效果。

电脑的组成

一个完整的电脑由软件和硬件组成。硬件主要包括我们常见的鼠标,键盘,显示器,主机和各种储存介质,电脑的硬件如同人的躯干和四肢;而软件如同人的大脑和神经系统,软件在硬件的基础上才能工作。

基础入门

启动电脑

电脑启动就是我们常说的“开机”,也是启动操作系统的过程。开机具有一定的顺序:

1、打开显示器

2、打开主机

3、开机自检

4、启动成功

通过上述步骤启动电脑,叫做冷启动,是常规的开机步骤。此外,在特殊情况下,我们还可以通过下面两种方式启动电脑。

热启动:是指电脑处于开机的状态下,通过【开始】菜单中的【重新启动|】命令对电脑进行重新启动。

复位启动:当电脑在运行过程中出现异常而不能运行,且采用热启动失效时,可以采用复位启动方式重启电脑,方法是按下主机箱上的【复位】按钮即可。

关闭电脑

使用完电脑后,需要将其关闭。电脑的关机顺序与开机顺序正好相反。即先关主机电源,然后逐一关闭外部设备的电源。遵循正确的开关机顺序可延长电脑的使用寿命。

正确的关机方法为:在系统桌面上单击【开始】按钮,在弹出的【开始】菜单中单击【关机】按钮,电脑将停止所有程序并退出操作系统,接着系统将自动断开主机电源,然后再依次关闭显示器、音箱等外接设备即可。

如何使用键盘

键盘是用于操作计算机设备运行的一种指令和数据输入装置,也指经过系统安排操作一台机器或设备的一组功能键(如打字机、电脑键盘)。

电脑键盘由功能键区、主键区、编辑键区,数字键区和小键盘区5个区组成。其中常用操作打字是在主键区完成的。

键盘是最常用也是最主要的输入设备,通过键盘可以将英文字母、汉字、数字、标点符号等输入到计算机中,从而向计算机发出命令、输入数据等。

如何使用鼠标

鼠标,是计算机的一种外接输入设备,也是计算机显示系统纵横坐标定位的指示器,因形似老鼠而得名(港台作滑鼠)。其标准的称呼应该是“鼠标器”,英文名“Mouse”。鼠标的使用是为了使计算机的操作更加简便快捷,来代替键盘那繁琐的指令。

一般的鼠标上有左键,右键和滑轮三个部分。

计算机的储存介质

计算机的储存介质有:硬盘、U盘、光盘和软盘等。

硬盘

电脑硬盘是计算机最主要的存储设备,硬盘一般分为固态硬盘(SSD)和机械硬盘(HDD)两种。固态硬盘读写速度更快,但存储容量较小,机械硬盘存储容量较大但同容量大小,固态硬盘价格也更昂贵。

U盘

U盘是USB(USB flash disk)盘的简称,据谐音也称“优盘”。U盘是闪存的一种,故有时也称作闪盘。U盘与硬盘的最大不同是,它不需物理驱动器,即插即用,且其存储容量远超过软盘,极便于携带。

软件操作

电脑软件(Computer Software)是指计算机系统中的程序及其文档。一般来讲软件被划分为系统软件、应用软件,系统软件为计算机使用提供最基本的功能,可分为操作系统和支撑软件,其中操作系统是最基本的软件,常见的操作系统包括为微软的Windows系统。

软件的基础操作

软件的使用包括软件的下载、安装和卸载:

软件的下载

1、浏览器下载

2、软件官网下载

3、电脑管家或360软件管家等下载软件(下图为360软件管家)

软件安装

第一种就是你下载下来的是.exe文件的应用程序,这种程序一般都是安装包,就是你双击之后,会进入安装界面;第二种就是不需要安装的,你下载下来的是一个压缩文件,你只需要解压就可以使用。

电脑软件安装过程中特别要逐一择安装设置(安装盘位)的选择、流氓软件选项勾选等。

软件的卸载

控制面板—程序和功能—找到要卸载的软件—右击卸载

软件的启动

电脑软件的启动方法一般有双击,右击-打开或从开始菜单单击打开

1、一般安装软件后会在桌面创建快捷方式,直接打开。

2、若桌面没有快捷方式,可以在电脑左下角的“开始”—“程序”里面打开。

3、若“程序”里面也没有,可以打开软件的安装位置打开。

说明:第三种方法是按默认的安装路径找到的软件安装文件夹打开程序的,实际情况可以根据软件的具体安装路径选择打开。

应用软件的操作

文件操作包括如何操作打开,关闭、删除、移动、重命名和编辑文件

文件打开

文件打开方式见“如何启动软件”部分

常见不同后缀、格式文件打开方法:

.txt .doc .docx .obt 这些格式可以用微软的office打开,或者用wps打开。

mp3格式文件可以使用使用电脑自带的Media Player播放器或者其他的音乐播放器。

mp4、mpg. mpeg.等文件可以使用电脑自带的电影和电视功能或者其他视频软件打开。

文件关闭

一般软件点击右上角的“×”,再点击“确认”,即可关闭文件

文件删除

1、选中文件-右击-删除

2、选中文件-按“delete”键,即刻删除

文件移动

方法一:长按鼠标左键选中并拖动鼠标移动文件到想要的地方

方法二:右击鼠标—剪切-打开需要移动的地方-右击粘贴

文件重命名

方法一:选中文件—右击—重命名

方法二:鼠标左击—键盘F2,即可进行重命名

文件管理基础知识

硬盘分区

电脑中的文件都存放在硬盘中,而新买回来的硬盘相当于一张白纸 ,为了能够更好地使用它,需要在,白纸上划分出若干小块。然后再打上格子。硬盘分区就是这个道理,在安装操作系统之前,需要进行硬盘分区和格式化,然后才能投入使用。对硬盘进行分区后,各个分区独立使用,互不影响。在操作系统中每个分区都用一个盘符表示,如本地磁盘(C)、本地磁盘(D)等。

存储路径

文件的存储路径,就是文件在电脑硬盘中的存储位置,由硬盘分区、文件夹和子文件夹构成。其中硬盘分区的盘符为路径的第一项,是第一级目录,也叫做根目录,后面紧跟冒号和斜线(:/),文件夹和子文件夹中间则以斜线(/)隔开。

如何使用浏览器

主要介绍如何使用浏览器(以及搜索引擎)查找资料。

1、首先在浏览器中输入搜索引擎的网址,以百度为例:

2、然后就进入搜索引擎所在网页,这样才能进行搜索:

3、之后在搜索栏中输入搜索内容,可以是词语、短语也可以是句子:

4、最后点击百度一下进行搜索:

5、然后就可以得到想要的信息了:

电脑的日常维护

日常注意事项

电脑的五大要害:静电、灰尘、水、震荡、病毒是电脑的五大要害

1、防静电:防止静电损坏电脑各部分电子原件,处理办法是将电脑机箱外壳接地,尽量使用三脚电源插头。

2、防尘:防止灰尘进入电脑机箱内,使用时保持环境清洁,并定期清理电脑主机内的灰尘。

3、防水:防止液体进入电脑的任何部分,保持室内通风。不要将电脑放在湿度较大的房间使用。

4、防震:在使用的过程要防止对电脑的震荡,应将电脑平稳放置在电脑桌上,以防不小心摔落等

5、防病毒:病毒是电脑的一大要害,在日常使用中要防止病毒的进入,需要给电脑安装防病毒软件,并经常更新病毒库,经常给电脑杀毒。

显示器维护

液晶显示器最大的禁忌在于触摸液晶面板。液晶面板表面有专门的涂层,这层涂层可以防止反光,增加观看效果。而很多用户不知道这点,总是习惯于用手去摸液晶屏幕,殊不知人手上有一定的腐蚀性油脂,会轻微的腐蚀面板的涂层,时间长了会造成面板永久性的损害。这种被损坏的面板在使用中会有斑驳陆离的感觉。另外,有些人喜欢用手去压面板,觉得很有意思。这绝对是个恶劣的习惯,这样做会导致坏点和暗斑,这可是永久性的损害,绝不可修复的!

主机维护

在电脑运行过程中,机器的各种设备不要随便移动,不要插拔各种接口卡,也不要装卸外部设备和主机之间的信号电缆。如果需要作上述改动的话,则必须在关机且断开电源线的情况下进行。

不要频繁地开关机器。关机后立即加电会使电源装置产生突发的大冲击电流,造成电源装置中的器件被损坏,也有可能造成硬盘驱动突然加速,使盘片被磁头划伤。因此,这里我们建议如果要重新启动机器,则应该在关闭机器后等待10秒钟以上。在一般情况下不要擅自打开机箱,如果机器出现异常情况,应该及时上报。

数据存放在不同分区,减少磁头对某一扇区的经常读写,导致这一扇区的损坏。 建议你使用不同的媒介定期对你的重要数据进行备份,并存放在不同的地方。一个文件可以在备份盘上放一份,可以打印一份,可以刻录成光盘。

键盘、鼠标的日常维护

(1)保保持清洁 过多的灰尘会给电路正常工作带来困难,有时造成误操作,杂质落入键位的缝隙中会卡住按键,甚至造成短路。我们在清洁键盘时,可用柔软干净的湿布来擦拭,按键缝隙间的污渍可用棉签清洁,不要用医用消毒酒精,以免对塑料部件产生不良影响。清洁键盘时一定要在关机状态下进行,湿布不宜过湿,以免键盘内部进水产生短路。

(2)不将液体洒到键盘上 一旦液体洒到键盘上,会造成接触不良、腐蚀电路造成短路等故障,损坏键盘。所以我们一般不要边喝茶边坐在电脑前,这样一不小心茶可能就洒在键盘上.

电脑病毒防护

电脑一旦感染了病毒,就会出现很多症状。导致系统性能的下降,影响用户的使用,甚至造成灾难性的后果。电脑在日常的使用过程中要定期进行病毒查杀,防患于未然。常用的电脑杀毒软件有360,金山毒霸和电脑管家等等。以金山毒霸为例介绍电脑杀毒的过程。

1、打开程序主界面

2、选择杀毒方式

3、开始杀毒。程序对磁盘内容自动进行扫描,如果检测到病毒会自动进行清除,并将结果显示在扫描栏中。

4、除此之外还可以对特点的盘进行杀毒。

生活小常识jk393,如何自学电脑

%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"电脑不仅能帮助我们快速完成重复性的工作,而且提供了一种休闲娱乐的方式。学电脑能够快速入门是每个新手梦寐以求的事情,但是不是每个人都能快速入门的。但是如果定制好合理计划,循序渐进,就会收到非常好的效果。","id":""}],"text":"","id":"doxcn8cU4MA2QEaii2J3ZNVoktc"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"电脑的组成","id":""}],"text":"","id":"doxcnmA2s4woYC2yUmIQvf9mQUe"},{"type":"image","attrs":{"height":261,"note":[{"type":"text","text":"电脑的组成","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/87d69d2955f648feac3ab47ccbf71e3d","width":336},"text":"","id":"doxcnqs8UM2owm4IMYdbeOlkAkh"},{"type":"paragraph","children":[{"type":"text","text":"一个完整的电脑由软件和硬件组成。硬件主要包括我们常见的鼠标,键盘,显示器,主机和各种储存介质,电脑的硬件如同人的躯干和四肢;而软件如同人的大脑和神经系统,软件在硬件的基础上才能工作。","id":""}],"text":"","id":"doxcnOm0OCuOMmoM4QNGA9SO8Lb"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"基础入门","id":""}],"text":"","id":"doxcn4cgggKKYQ4aiSYuqtsQo6c"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"启动电脑","id":""}],"text":"","id":"doxcnaoiIIwmA0msCOScbmWVnff"},{"type":"paragraph","children":[{"type":"text","text":"电脑启动就是我们常说的“开机”,也是启动操作系统的过程。开机具有一定的顺序:","id":""}],"text":"","id":"doxcnyse2oUqkA0QW6q5OiHDGyf"},{"type":"paragraph","children":[{"type":"text","text":"1、打开显示器","id":""}],"text":"","id":"doxcnQ20eGOmWYyIGh1tlEscKwf"},{"type":"image","attrs":{"height":418,"note":[{"type":"text","text":"启动电脑","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/728c3e972f794f9ba5ae35fc2a6a0b6f","width":642},"text":"","id":"doxcnSkgsCe0CwSsWI3XRisgjAf"},{"type":"paragraph","children":[{"type":"text","text":"2、打开主机","id":""}],"text":"","id":"doxcn06Mw44A6i2mkqA9JvN8wOd"},{"type":"image","attrs":{"height":390,"note":[{"type":"text","text":"启动电脑","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/9c2e0fb32d364a12ae2c7e033f77ae6a","width":616},"text":"","id":"doxcnQ2ACMwgkQK8kWkClP3x12b"},{"type":"paragraph","children":[{"type":"text","text":"3、开机自检","id":""}],"text":"","id":"doxcnQggCECkEqeoIygZfMBWjzb"},{"type":"image","attrs":{"height":374,"note":[{"type":"text","text":"启动电脑","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/27efc701142d426694a3e61e353fa97c","width":620},"text":"","id":"doxcnuewEc6mSUAWu0zihOBW3LV"},{"type":"paragraph","children":[{"type":"text","text":"4、启动成功","id":""}],"text":"","id":"doxcnKoSSEac2q4wsgRAgyMpbMb"},{"type":"image","attrs":{"height":356,"note":[{"type":"text","text":"启动电脑","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/fcb840a9c7604e729f3b41267c81f998","width":624},"text":"","id":"doxcneCWqc0IYs2wi2remimlawb"},{"type":"paragraph","children":[{"type":"text","text":"通过上述步骤启动电脑,叫做冷启动,是常规的开机步骤。此外,在特殊情况下,我们还可以通过下面两种方式启动电脑。","id":""}],"text":"","id":"doxcn6cMcOCSeqAuQEHhdfA4Vth"},{"type":"paragraph","children":[{"type":"text","text":"热启动:是指电脑处于开机的状态下,通过【开始】菜单中的【重新启动|】命令对电脑进行重新启动。","id":""}],"text":"","id":"doxcn86GKwQIOIo4Y688BafbS8A"},{"type":"paragraph","children":[{"type":"text","text":"复位启动:当电脑在运行过程中出现异常而不能运行,且采用热启动失效时,可以采用复位启动方式重启电脑,方法是按下主机箱上的【复位】按钮即可。","id":""}],"text":"","id":"doxcnOmOk2ISwgEWQAz2D0DSwUc"},{"type":"image","attrs":{"height":311,"note":[{"type":"text","text":"启动电脑","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/4d67fc730ae747bcaba3c44130a2a212","width":560},"text":"","id":"doxcniQUimmAaiMuOaOOQbIvDBh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"关闭电脑","id":""}],"text":"","id":"doxcn0KUOiM6OwA04Ehh6CaR3yb"},{"type":"paragraph","children":[{"type":"text","text":"使用完电脑后,需要将其关闭。电脑的关机顺序与开机顺序正好相反。即先关主机电源,然后逐一关闭外部设备的电源。遵循正确的开关机顺序可延长电脑的使用寿命。","id":""}],"text":"","id":"doxcnAyKGuoyo06MGg9Tg8mc0Gb"},{"type":"paragraph","children":[{"type":"text","text":"正确的关机方法为:在系统桌面上单击【开始】按钮,在弹出的【开始】菜单中单击【关机】按钮,电脑将停止所有程序并退出操作系统,接着系统将自动断开主机电源,然后再依次关闭显示器、音箱等外接设备即可。","id":""}],"text":"","id":"doxcncWeSGigomQYKQ52OGajTfg"},{"type":"image","attrs":{"height":353,"note":[{"type":"text","text":"关闭电脑","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/4d2a6c5b5dea4e5b9b263bf5d0049780","width":570},"text":"","id":"doxcngQwgq2yWyYg0OnLDgeP0sb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"如何使用键盘","id":""}],"text":"","id":"doxcnAK2qCO4SsGU0kBmHwqtyPb"},{"type":"paragraph","children":[{"type":"text","text":"键盘是用于操作计算机设备运行的一种指令和数据输入装置,也指经过系统安排操作一台机器或设备的一组功能键(如打字机、电脑键盘)。","id":""}],"text":"","id":"doxcnUmsSWSa406MCsP2ZtHUS6b"},{"type":"paragraph","children":[{"type":"text","text":"电脑键盘由功能键区、主键区、编辑键区,数字键区和小键盘区5个区组成。其中常用操作打字是在主键区完成的。","id":""}],"text":"","id":"doxcnS8ma6s8uCw0WmAYg74E0Gg"},{"type":"paragraph","children":[{"type":"text","text":"键盘是最常用也是最主要的输入设备,通过键盘可以将英文字母、汉字、数字、标点符号等输入到计算机中,从而向计算机发出命令、输入数据等。","id":""}],"text":"","id":"doxcnEAmyKiigowaGApju587O5g"},{"type":"image","attrs":{"height":441,"note":[{"type":"text","text":"如何使用键盘","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/3c279ca6c6ff41949f25651e4403e504","width":717},"text":"","id":"doxcnEAGYiwU2KoSWAZdykin7Th"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"如何使用鼠标","id":""}],"text":"","id":"doxcnU6E6CAakgkuK0eBddFsyAg"},{"type":"paragraph","children":[{"type":"text","text":"鼠标,是计算机的一种外接输入设备,也是计算机显示系统纵横坐标定位的指示器,因形似老鼠而得名(港台作滑鼠)。其标准的称呼应该是“鼠标器”,英文名“Mouse”。鼠标的使用是为了使计算机的操作更加简便快捷,来代替键盘那繁琐的指令。","id":""}],"text":"","id":"doxcnsy0wWy2EkuWqmONajnrUGP"},{"type":"paragraph","children":[{"type":"text","text":"一般的鼠标上有左键,右键和滑轮三个部分。","id":""}],"text":"","id":"doxcn0Qcy8y0cwiWcAnshfOwgEe"},{"type":"image","attrs":{"height":800,"note":[{"type":"text","text":"如何使用鼠标","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/794f83767b124fda8715ba961a8dc783","width":800},"text":"","id":"doxcnQKysI8weyss4dHv1zuxDwC"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"计算机的储存介质","id":""}],"text":"","id":"doxcn2owU848A8wm8C45MO4KaBd"},{"type":"paragraph","children":[{"type":"text","text":"计算机的储存介质有:硬盘、U盘、光盘和软盘等。","id":""}],"text":"","id":"doxcnOGiy2MegugSs2tCMUwoXOh"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"硬盘","id":""}],"text":"","id":"doxcnu4mWCK4IiwyADYfSqKIUza"},{"type":"paragraph","children":[{"type":"text","text":"电脑硬盘是计算机最主要的存储设备,","id":""},{"type":"text","text":"硬盘一般分为固态硬盘(SSD)和机械硬盘(HDD)两种。固态硬盘读写速度更快,但存储容量较小,机械硬盘存储容量较大但同容量大小,固态硬盘价格也更昂贵。","id":""}],"text":"","id":"doxcnKKi0mwIWMysmoHjQ4xzIvg"},{"type":"image","attrs":{"height":2753,"note":[{"type":"text","text":"硬盘","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/cd04250863af44cb96e14e1e97371e55","width":2929},"text":"","id":"doxcnqwoYuWECo0GI07FDKN1PPb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"U盘","id":""}],"text":"","id":"doxcnQG24ckCWSuUAYXkT2y2qpd"},{"type":"paragraph","children":[{"type":"text","text":"U盘是USB(USB flash disk)盘的简称,据谐音也称“优盘”。U盘是闪存的一种,故有时也称作闪盘。U盘与硬盘的最大不同是,它不需物理驱动器,即插即用,且其存储容量远超过软盘,极便于携带。","id":""}],"text":"","id":"doxcnUAKOUayaiOSgKQMhX3Meif"},{"type":"image","attrs":{"height":800,"note":[{"type":"text","text":"U盘","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/34d973a83b3a4002ab84d8356dd935c3","width":800},"text":"","id":"doxcn86S6iMiQOEc6Ep0I0UrjXd"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcncC6yagWGCcsYYj2cZfcbxc"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"软件操作","id":""}],"text":"","id":"doxcnEYigOU8qUU2GaczwudkjUe"},{"type":"paragraph","children":[{"type":"text","text":"电脑软件(Computer Software)是指计算机系统中的程序及其文档。一般来讲软件被划分为系统软件、应用软件,系统软件为计算机使用提供最基本的功能,可分为操作系统和支撑软件,其中操作系统是最基本的软件,常见的操作系统包括为微软的Windows系统。","id":""}],"text":"","id":"doxcnqmCGaeygGWycAHmR55v5if"},{"type":"image","attrs":{"height":731,"note":[{"type":"text","text":"软件操作","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/8bc3c4d31f284f45886dd22e2074946b","width":1300},"text":"","id":"doxcn0qQCya0I4Gu4aAPUupVy4f"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"软件的基础操作","id":""}],"text":"","id":"doxcniq2sWaasISeSeQ6biyZFYf"},{"type":"paragraph","children":[{"type":"text","text":"软件的使用包括软件的下载、安装和卸载:","id":""}],"text":"","id":"doxcnYS4ySIcak4eCya6y5Y9aXd"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"软件的下载","id":""}],"text":"","id":"doxcns4qy6QuSY8qG4ARsjv0T3e"},{"type":"paragraph","children":[{"type":"text","text":"1、浏览器下载","id":""}],"text":"","id":"doxcnuuqGoGEwCCWCW2LNd6TD4b"},{"type":"image","attrs":{"height":902,"note":[{"type":"text","text":"软件的下载","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/92f5914b317a4e4884f60178f6af3139","width":1048},"text":"","id":"doxcnEQSOOIWSUgIWIz8mQMKxRh"},{"type":"paragraph","children":[{"type":"text","text":"2、软件官网下载","id":""}],"text":"","id":"doxcnAaIAEqKUqyuaK0BpHQgwVd"},{"type":"image","attrs":{"height":1051,"note":[{"type":"text","text":"软件的下载","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/bc90beb021644f54bdc6c7bc9a129758","width":1920},"text":"","id":"doxcn6cqwqAagSe0eEBWrIiTWCe"},{"type":"paragraph","children":[{"type":"text","text":"3、电脑管家或360软件管家等下载软件(下图为360软件管家)","id":""}],"text":"","id":"doxcn2sCgeMScGG2a6j24QlerxL"},{"type":"image","attrs":{"height":1042,"note":[{"type":"text","text":"软件的下载","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/14dc4dc5f6eb41bdb92cc44995baf7cc","width":1920},"text":"","id":"doxcnm22iEEMEoMOEQDkv0Y5OWd"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"软件安装","id":""}],"text":"","id":"doxcneg0OKWaKu8WG29Bvf8IP5W"},{"type":"paragraph","children":[{"type":"text","text":"第一种就是你下载下来的是.exe文件的应用程序,这种程序一般都是安装包,就是你双击之后,会进入安装界面;第二种就是不需要安装的,你下载下来的是一个压缩文件,你只需要解压就可以使用。","id":""}],"text":"","id":"doxcnsE4K04Wqka8oUx6Gaku1Yw"},{"type":"paragraph","children":[{"type":"text","text":"电脑软件安装过程中特别要逐一择安装设置(安装盘位)的选择、流氓软件选项勾选等。","id":""}],"text":"","id":"doxcnMW2M4Q0gm206EBeP3R5Ohh"},{"type":"image","attrs":{"height":390,"note":[{"type":"text","text":"软件安装","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/34118380f0a3454d99f103db0d6fbc8b","width":610},"text":"","id":"doxcnoUyy4SgKEeiWX06pmT81rL"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"软件的卸载","id":""}],"text":"","id":"doxcnKgyi4oQAaKMUekE8XRlt8d"},{"type":"paragraph","children":[{"type":"text","text":"控制面板—程序和功能—找到要卸载的软件—右击卸载","id":""}],"text":"","id":"doxcnaIQ2esaqSE2OKEpsg98kab"},{"type":"image","attrs":{"height":653,"note":[{"type":"text","text":"软件的卸载","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/a2f2bb7520b743fdaf61168ee077da0a","width":1831},"text":"","id":"doxcn62EIEUcukEsi2tCsfuKISf"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"软件的启动","id":""}],"text":"","id":"doxcnu2mIsKe0uawA0uDyzpzqtd"},{"type":"paragraph","children":[{"type":"text","text":"电脑软件的启动方法一般有双击,右击-打开或从开始菜单单击打开","id":""}],"text":"","id":"doxcnqgAeMka2amSaq4eE21IApg"},{"type":"paragraph","children":[{"type":"text","text":"1、一般安装软件后会在桌面创建快捷方式,直接打开。","id":""}],"text":"","id":"doxcnUOiSsy0SEIgeiiyBo92Gfe"},{"type":"image","attrs":{"height":393,"note":[{"type":"text","text":"软件的启动","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/efdcf6db8ac1493c8c782878596857d1","width":230},"text":"","id":"doxcn4ogm8gYSYmK8W4IbOHVNOg"},{"type":"paragraph","children":[{"type":"text","text":"2、若桌面没有快捷方式,可以在电脑左下角的“开始”—“程序”里面打开。","id":""}],"text":"","id":"doxcnqCIQMyIKCKGIv4fxomBwnx"},{"type":"image","attrs":{"height":383,"note":[{"type":"text","text":"软件的启动","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/2bfcbcb613a7419b8bf273a91d232038","width":369},"text":"","id":"doxcnweSYMWySQOWCWuCrShYRHf"},{"type":"paragraph","children":[{"type":"text","text":"3、若“程序”里面也没有,可以打开软件的安装位置打开。 ","id":""}],"text":"","id":"doxcnGosQ2CuSKy6oqkLRLxZilc"},{"type":"image","attrs":{"height":851,"note":[{"type":"text","text":"软件的启动","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/ff10a1e5788a43528ca655aa086f351b","width":1157},"text":"","id":"doxcneemAEEumqy8CkroYQvKMXf"},{"type":"paragraph","children":[{"type":"text","text":"说明:第三种方法是按默认的安装路径找到的软件安装文件夹打开程序的,实际情况可以根据软件的具体安装路径选择打开。","id":""}],"text":"","id":"doxcnKMqCwIEqSGis06K3RZTEMc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"应用软件的操作","id":""}],"text":"","id":"doxcnYkqaUMCsSK6c6NjEUzCjqe"},{"type":"paragraph","children":[{"type":"text","text":"文件操作包括如何操作打开,关闭、删除、移动、重命名和编辑文件","id":""}],"text":"","id":"doxcngw2qcG4igyeOkTkY16OOpe"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"文件打开","id":""}],"text":"","id":"doxcnOSo6QGIoWkeGMVuzquSxKd"},{"type":"paragraph","children":[{"type":"text","text":"文件打开方式见“如何启动软件”部分","id":""}],"text":"","id":"doxcnUiQMs4WKESyQaEW6u2Xqvb"},{"type":"paragraph","children":[{"type":"text","text":"常见不同后缀、格式文件打开方法:","id":""}],"text":"","id":"doxcnMIKs86WcEAYcWmQuglYAZb"},{"type":"paragraph","children":[{"type":"text","text":".txt .doc .docx .obt 这些格式可以用微软的office打开,或者用wps打开。","id":""}],"text":"","id":"doxcnEOucCoyCUM6k25LBy7J0ih"},{"type":"image","attrs":{"height":864,"note":[{"type":"text","text":"文件打开","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/8aad1505bea04d6b95450ca2dd3c1a33","width":1004},"text":"","id":"doxcnmGyKyQEu08qAewer5eJ8Vc"},{"type":"paragraph","children":[{"type":"text","text":"mp3格式文件可以使用使用电脑自带的Media Player播放器或者其他的音乐播放器。","id":""}],"text":"","id":"doxcneI0COQcSG6cAy67UR5IwCf"},{"type":"image","attrs":{"height":414,"note":[{"type":"text","text":"文件打开","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/b0826de3e99e469ab89db035a5bdd2e2","width":473},"text":"","id":"doxcnq4mg624UMKMM2bRU4iPmVh"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcneCA4M8QgIoeEEcrQa10S4S"},{"type":"paragraph","children":[{"type":"text","text":"mp4、mpg. mpeg.等文件可以使用电脑自带的电影和电视功能或者其他视频软件打开。","id":""}],"text":"","id":"doxcnYeOgKuMw6c2oC05AaDDw5b"},{"type":"image","attrs":{"height":390,"note":[{"type":"text","text":"文件打开","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/9b1b94bc5ffc4c6cb1952276b2e3fe82","width":465},"text":"","id":"doxcnUckMEKyceKWy2hAuKLDkWe"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"文件关闭","id":""}],"text":"","id":"doxcn260EgqGMamseAF1a94k90f"},{"type":"paragraph","children":[{"type":"text","text":"一般软件点击右上角的“×”,再点击“确认”,即可关闭文件","id":""}],"text":"","id":"doxcnY4yI0uO4yMYuMTviRw5YCf"},{"type":"image","attrs":{"height":265,"note":[{"type":"text","text":"文件关闭","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/bcd7c2ec494846be995cfe0cdd8542f9","width":1920},"text":"","id":"doxcnQ6OuYYIIaQcqU7YTbv1lVc"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"文件删除","id":""}],"text":"","id":"doxcn8qyog2cGo8qC6id3Twkath"},{"type":"paragraph","children":[{"type":"text","text":"1、选中文件-右击-删除","id":""}],"text":"","id":"doxcniKIwacO8OSOAmuF8H1rNId"},{"type":"image","attrs":{"height":370,"note":[{"type":"text","text":"文件删除","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/0876b78b99074dd6a05008db379f270d","width":523},"text":"","id":"doxcnS0oMS4CAuQQA7yMGDBPtcr"},{"type":"paragraph","children":[{"type":"text","text":"2、选中文件-按“delete”键,即刻删除","id":""}],"text":"","id":"doxcnM8UCwIyY2gIS4Qtl6NPZme"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"文件移动","id":""}],"text":"","id":"doxcnko4UOMSSuE4em8VOJExOXf"},{"type":"paragraph","children":[{"type":"text","text":"方法一:长按鼠标左键选中并拖动鼠标移动文件到想要的地方","id":""}],"text":"","id":"doxcnAYkOSwCeIcUq65MJKmBlbb"},{"type":"paragraph","children":[{"type":"text","text":"方法二:右击鼠标—剪切-打开需要移动的地方-右击粘贴","id":""}],"text":"","id":"doxcnKMQyIiOuQ0qAqeqzVOZxTf"},{"type":"image","attrs":{"height":379,"note":[{"type":"text","text":"文件移动","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/649e297f60704d19aec017b9510f566d","width":650},"text":"","id":"doxcnE28skCsKqCWoJGTe0x0hkI"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"文件重命名","id":""}],"text":"","id":"doxcnI4Kcq20qEUEE2L7hnujbsh"},{"type":"paragraph","children":[{"type":"text","text":"方法一:选中文件—右击—重命名","id":""}],"text":"","id":"doxcngCc6OMWomWAi8T5wvdKxZc"},{"type":"paragraph","children":[{"type":"text","text":"方法二:鼠标左击—键盘F2,即可进行重命名","id":""}],"text":"","id":"doxcnyOawqgyqIk4AOKGQKTO2md"},{"type":"image","attrs":{"height":385,"note":[{"type":"text","text":"文件重命名","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/ae5debc0934e43b28efe1c591dc6e145","width":586},"text":"","id":"doxcn8Cwu2MiEMYOsINjrmW3vOh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"文件管理基础知识","id":""}],"text":"","id":"doxcnm2kumkCYuYqc42FTqsSmRe"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"硬盘分区","id":""}],"text":"","id":"doxcncqyuY6E6kE8MGg7EGz69Zd"},{"type":"paragraph","children":[{"type":"text","text":"电脑中的文件都存放在硬盘中,而新买回来的硬盘相当于一张白纸 ,为了能够更好地使用它,需要在,白纸上划分出若干小块。然后再打上格子。硬盘分区就是这个道理,在安装操作系统之前,需要进行硬盘分区和格式化,然后才能投入使用。对硬盘进行分区后,各个分区独立使用,互不影响。在操作系统中每个分区都用一个盘符表示,如本地磁盘(C)、本地磁盘(D)等。","id":""}],"text":"","id":"doxcnGOYUEEwuMI6Uq0SoFxCmof"},{"type":"image","attrs":{"height":227,"note":[{"type":"text","text":"硬盘分区","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/c7712ec643e843149d3ae7855e5d1584","width":1006},"text":"","id":"doxcn08YuuYEAaUAosP61kmkQwh"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"存储路径","id":""}],"text":"","id":"doxcnqyKQO0a2E28eATIVxWdQKh"},{"type":"image","attrs":{"height":721,"note":[{"type":"text","text":"存储路径","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/52858a2949dc43d5bebb80031ba286bf","width":1096},"text":"","id":"doxcnaQOy2G4mkgkIgyrVfQ752G"},{"type":"paragraph","children":[{"type":"text","text":"文件的存储路径,就是文件在电脑硬盘中的存储位置,由硬盘分区、文件夹和子文件夹构成。其中硬盘分区的盘符为路径的第一项,是第一级目录,也叫做根目录,后面紧跟冒号和斜线(:/),文件夹和子文件夹中间则以斜线(/)隔开。","id":""}],"text":"","id":"doxcnWaSkqYM6GU4qAhNRayeSch"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"如何使用浏览器","id":""}],"text":"","id":"doxcnOwy2qsaCUUkqYTSH56oDch"},{"type":"paragraph","children":[{"type":"text","text":"主要介绍如何使用浏览器(以及搜索引擎)查找资料。","id":""}],"text":"","id":"doxcnSeu0I0OaOu0kI9mq3vLsxe"},{"type":"paragraph","children":[{"type":"text","text":"1、首先在浏览器中输入搜索引擎的网址,以百度为例:","id":""}],"text":"","id":"doxcnMwe80waQQ0MASEEFGkKqkg"},{"type":"image","attrs":{"height":320,"note":[{"type":"text","text":"如何使用浏览器","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/6a3ee9abbe364a0191b619cc5f2a513c","width":600},"text":"","id":"doxcnA2aM4yGmuYIGyc7GjiUjbd"},{"type":"paragraph","children":[{"type":"text","text":"2、然后就进入搜索引擎所在网页,这样才能进行搜索:","id":""}],"text":"","id":"doxcn8a6gcggMEW2O0axgNmdljh"},{"type":"image","attrs":{"height":320,"note":[{"type":"text","text":"如何使用浏览器","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/65be3c837b4a470187c13e33fa41b58c","width":600},"text":"","id":"doxcnoA6OiWW0IoaY4ti7QM1GqS"},{"type":"paragraph","children":[{"type":"text","text":"3、之后在搜索栏中输入搜索内容,可以是词语、短语也可以是句子:","id":""}],"text":"","id":"doxcnEoI0Ag4mgCm4ygxXk1Dmee"},{"type":"image","attrs":{"height":320,"note":[{"type":"text","text":"如何使用浏览器","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/5b8207f604ad4fa7aa601326847b504d","width":600},"text":"","id":"doxcnOiQswgy4WuqGc7Jzgj9zWf"},{"type":"paragraph","children":[{"type":"text","text":"4、最后点击百度一下进行搜索:","id":""}],"text":"","id":"doxcnsAUWOSmoCqMEY7DaIbYhkc"},{"type":"image","attrs":{"height":320,"note":[{"type":"text","text":"如何使用浏览器","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/b6b7e77b6c26426f885e2c2de35b4f76","width":600},"text":"","id":"doxcnACqAimA4822ymu1XyrMfdd"},{"type":"paragraph","children":[{"type":"text","text":"5、然后就可以得到想要的信息了:","id":""}],"text":"","id":"doxcnac8qwWKmiawQME3wCX3a4w"},{"type":"image","attrs":{"height":320,"note":[{"type":"text","text":"如何使用浏览器","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/73daa938a5874dd5b19441a7ef21d380","width":600},"text":"","id":"doxcnM2IAOWqg8e2SiYh5uDZfTc"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"电脑的日常维护","id":""}],"text":"","id":"doxcnwYogQ04cEqueKujItiSAee"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"日常注意事项","id":""}],"text":"","id":"doxcnOQa0SaCgg28IyekDcsg7xd"},{"type":"paragraph","children":[{"type":"text","text":"电脑的五大要害:静电、灰尘、水、震荡、病毒是电脑的五大要害","id":""}],"text":"","id":"doxcnOmE2OCW6gyEe2riQybL5Gb"},{"type":"paragraph","children":[{"type":"text","text":"1、防静电:防止静电损坏电脑各部分电子原件,处理办法是将电脑机箱外壳接地,尽量使用三脚电源插头。","id":""}],"text":"","id":"doxcnWQkGgc2gKuW2kRTCBQTbpf"},{"type":"paragraph","children":[{"type":"text","text":"2、防尘:防止灰尘进入电脑机箱内,使用时保持环境清洁,并定期清理电脑主机内的灰尘。","id":""}],"text":"","id":"doxcnEEuoaUQCqWI8ss8EbH09kb"},{"type":"paragraph","children":[{"type":"text","text":"3、防水:防止液体进入电脑的任何部分,保持室内通风。不要将电脑放在湿度较大的房间使用。","id":""}],"text":"","id":"doxcnaqQOgmEegkMysmefTrvdc8"},{"type":"paragraph","children":[{"type":"text","text":"4、防震:在使用的过程要防止对电脑的震荡,应将电脑平稳放置在电脑桌上,以防不小心摔落等","id":""}],"text":"","id":"doxcnmcQsYIgWAUeK6ORhhUelMf"},{"type":"paragraph","children":[{"type":"text","text":"5、防病毒:病毒是电脑的一大要害,在日常使用中要防止病毒的进入,需要给电脑安装防病毒软件,并经常更新病毒库,经常给电脑杀毒。","id":""}],"text":"","id":"doxcn6AkgcmWikI64wXPVc121sf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"显示器维护","id":""}],"text":"","id":"doxcnGWSK4QqMIM0WPCydY3UdJ7"},{"type":"paragraph","children":[{"type":"text","text":"液晶显示器最大的禁忌在于触摸液晶面板。液晶面板表面有专门的涂层,这层涂层可以防止反光,增加观看效果。而很多用户不知道这点,总是习惯于用手去摸液晶屏幕,殊不知人手上有一定的腐蚀性油脂,会轻微的腐蚀面板的涂层,时间长了会造成面板永久性的损害。这种被损坏的面板在使用中会有斑驳陆离的感觉。另外,有些人喜欢用手去压面板,觉得很有意思。这绝对是个恶劣的习惯,这样做会导致坏点和暗斑,这可是永久性的损害,绝不可修复的!","id":""}],"text":"","id":"doxcn4isEOMouuus2ErXRfeaiDe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"主机维护","id":""}],"text":"","id":"doxcnS4qaUWCCkYMGA3Pcb8Hudb"},{"type":"image","attrs":{"height":228,"note":[{"type":"text","text":"主机维护","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/6ee986820e8d4e56a2cff1f2a0ac9b8f","width":290},"text":"","id":"doxcnAI0qeaIwK0yUqGS8xLEAJh"},{"type":"paragraph","children":[{"type":"text","text":"在电脑运行过程中,机器的各种设备不要随便移动,不要插拔各种接口卡,也不要装卸外部设备和主机之间的信号电缆。如果需要作上述改动的话,则必须在关机且断开电源线的情况下进行。","id":""}],"text":"","id":"doxcncKE6u8qkYaIa4szBuVynCb"},{"type":"paragraph","children":[{"type":"text","text":"不要频繁地开关机器。关机后立即加电会使电源装置产生突发的大冲击电流,造成电源装置中的器件被损坏,也有可能造成硬盘驱动突然加速,使盘片被磁头划伤。因此,这里我们建议如果要重新启动机器,则应该在关闭机器后等待10秒钟以上。在一般情况下不要擅自打开机箱,如果机器出现异常情况,应该及时上报。","id":""}],"text":"","id":"doxcnQi8GcCSaSK8kpHGL8JKewb"},{"type":"paragraph","children":[{"type":"text","text":"数据存放在不同分区,减少磁头对某一扇区的经常读写,导致这一扇区的损坏。 建议你使用不同的媒介定期对你的重要数据进行备份,并存放在不同的地方。一个文件可以在备份盘上放一份,可以打印一份,可以刻录成光盘。","id":""}],"text":"","id":"doxcnOOW4OG8Wgy6GK4fXf8vGqb"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"键盘、鼠标的日常维护","id":""}],"text":"","id":"doxcnGCyMqwQkciaQeerCBvdfMg"},{"type":"paragraph","children":[{"type":"text","text":"(1)保保持清洁 过多的灰尘会给电路正常工作带来困难,有时造成误操作,杂质落入键位的缝隙中会卡住按键,甚至造成短路。我们在清洁键盘时,可用柔软干净的湿布来擦拭,按键缝隙间的污渍可用棉签清洁,不要用医用消毒酒精,以免对塑料部件产生不良影响。清洁键盘时一定要在关机状态下进行,湿布不宜过湿,以免键盘内部进水产生短路。","id":""}],"text":"","id":"doxcnSy2MIyGkYKCkuzzZbWOjbv"},{"type":"paragraph","children":[{"type":"text","text":"(2)不将液体洒到键盘上 一旦液体洒到键盘上,会造成接触不良、腐蚀电路造成短路等故障,损坏键盘。所以我们一般不要边喝茶边坐在电脑前,这样一不小心茶可能就洒在键盘上.","id":""}],"text":"","id":"doxcnUIigmeqUQsI2c7FKXO32Xe"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"电脑病毒防护","id":""}],"text":"","id":"doxcni0GY48EKWKocOgPwbovBNb"},{"type":"paragraph","children":[{"type":"text","text":"电脑一旦感染了病毒,就会出现很多症状。导致系统性能的下降,影响用户的使用,甚至造成灾难性的后果。电脑在日常的使用过程中要定期进行病毒查杀,防患于未然。常用的电脑杀毒软件有360,金山毒霸和电脑管家等等。以金山毒霸为例介绍电脑杀毒的过程。","id":""}],"text":"","id":"doxcnayESKCwQsccQO3DfNJrpI6"},{"type":"paragraph","children":[{"type":"text","text":"1、打开程序主界面","id":""}],"text":"","id":"doxcnyII0O2AUAAEAEjbwDeZmQd"},{"type":"image","attrs":{"height":725,"note":[{"type":"text","text":"电脑病毒防护","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/48bef00dfde9455180ae7e565a96451a","width":1150},"text":"","id":"doxcnyEAUWUCqiqeuSqJxR4hWCf"},{"type":"paragraph","children":[{"type":"text","text":"2、选择杀毒方式","id":""}],"text":"","id":"doxcnACQaOIiK6aMSAfsMrpFLHd"},{"type":"image","attrs":{"height":725,"note":[{"type":"text","text":"电脑病毒防护","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/20d4459218714fd3bfe7ad79421554aa","width":1150},"text":"","id":"doxcnMYuSKEqu6IwiEpFFaYoJjc"},{"type":"paragraph","children":[{"type":"text","text":"3、开始杀毒。程序对磁盘内容自动进行扫描,如果检测到病毒会自动进行清除,并将结果显示在扫描栏中。","id":""}],"text":"","id":"doxcn4Aiwq0iWwQIe6I5NET5Ry7"},{"type":"image","attrs":{"height":725,"note":[{"type":"text","text":"电脑病毒防护","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/380a7b7e6ca04cec998b1888f31b76d8","width":1150},"text":"","id":"doxcna66y8kqMAEOWMPfkeIhMic"},{"type":"paragraph","children":[{"type":"text","text":"4、除此之外还可以对特点的盘进行杀毒。","id":""}],"text":"","id":"doxcnG2EEekkYCiKYKQYdMFhY2f"},{"type":"image","attrs":{"height":725,"note":[{"type":"text","text":"电脑病毒防护","id":""}],"url":"{{image_domain}}tos-cn-i-qvj2lq49k0/20e90fa900aa423e8790a1567331438f","width":1150},"text":"","id":"doxcnsgo6YWwsMoMyu2RhLVDMEf"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnSuEciuc2U6Q6KHxAF4LlNm"}]%3C%2Fhowto_content%3E

减肥的时候是先减皮下脂肪还是内脏上的脂肪呢?

一、人体脂肪的消耗有明确的位置优先级:优先消耗内脏脂肪与许多自媒体说的不太一样,人体的脂肪消耗并不是全身均匀的。虽然有少数研究得出减肥时消耗的内脏脂肪比皮下脂肪少[1][2],但大多数研究指出『减肥过程中内脏脂肪比皮下脂肪消耗更多』。

Kelley等人2004年在权威期刊《Diabetes Care》上发表了一篇论文,针对39名肥胖的2型糖尿病患者(平均体重100kg,平均BMI35)进行减肥实验(节食+药物),26周受试者们减去的内脏脂肪(26%)明显高于皮下脂肪(15%)[3]。

原文截图

查了下《Diabetes Care》的因子高达18.1,1区的,比较可信。

查询页面

Ross等人2004年招募了54名肥胖妇女(平均腰围110CM,平均BMI32),其中15人采用节食减肥,17人运动减肥[4]。结果节食减肥组减去的内脏脂肪(20.8%)比腹部皮下脂肪(8.9%)更多;运动组减的内脏脂肪(30%)也比皮下脂肪多(16.9%)。

Subcuttaneous fat是皮下脂肪,visceral fat是内脏脂肪

除了这两个,还有大量关于节食的研究,都支持上述结论:

Weinser等人2001年:23名肥胖女性,26周减去内脏脂肪40.7%、皮下脂肪%33.1[5];Gower等人2002年:19名肥胖女性,26周减去内脏脂肪38.5%、皮下脂肪30.3%[6];Pascuali等人2000年:10名肥胖女性,4周减去内脏脂肪8.3%、皮下脂肪6.5%[7];Alvarez等人2005年:6名肥胖男性,13周减去内脏脂肪23.9%、皮下脂肪%17.7[8];Rice等人1999年:9名肥胖男性,16周减去内脏脂肪35%、皮下脂肪25%[9];Weits等人1989年:20名肥胖女性,12周减去内脏脂肪15.1%、皮下脂肪10.6%[10];Okura等人2002年:14名肥胖女性,14周减去内脏脂肪40%、皮下脂肪28%[11];Fujioka等人1991年:26名肥胖女性,8周减去内脏脂肪33.3%、皮下脂肪22.6%[12];Janssen等人1999年:13名肥胖女性,16周减去内脏脂肪28.6%、皮下脂肪18.8%[13];Tchernof等人2002年:25名肥胖女性,14周减去内脏脂肪36.4%、皮下脂肪23.7%[14];Thong等人2000年:14名肥胖男性,12周减去内脏脂肪25.2%、皮下脂肪15.7%[15];Tiikainen等人2003年:11名肥胖女性,17周减去内脏脂肪23%、皮下脂肪13%[16];Tiikainen等人同年的另一项研究中12名肥胖女性,17周减去内脏脂肪29%、皮下脂肪14%[16];ROSE等人2000年:14名肥胖男性,13周减去内脏脂肪28.1%、皮下脂肪15.6%[17];Gambinery等人2003年:7名肥胖女性,26周减去内脏脂肪18.8%、皮下脂肪8.4%[18];采用节食加运动的研究,结论也类似:

Park等人2004年:47名肥胖者,12周减去内脏脂肪23.8%、皮下脂肪19.9%[19];Nakamura等人2000年:60名肥胖女性,13周减去内脏脂肪12.5%、皮下脂肪8.9%[20];Park等人2005年:36名肥胖女性,12周减去内脏脂肪22.5%、皮下脂肪14.8%[21];Okura等人2005年:71名肥胖女性,14周减去内脏脂肪39%、皮下脂肪24%[22];Pare等人2001年:45名肥胖男性,52周减去内脏脂肪19.9%、皮下脂肪10.1%[23];采用节食加减肥药物的研究,依然支持上述结论:

Kelley等人2004年(奥利司他):19名肥胖者,26周减去内脏脂肪28%、皮下脂肪16%[24];Tiikk等人2004年(奥利司他):24名肥胖女性,21周减去内脏脂肪27%、皮下脂肪14%[25];Kim等人2004年(盐酸西布曲明):28名肥胖女性,12周减去内脏脂肪19.9%、皮下脂肪16.5%[26];Kamel等人2000年:17名肥胖男性(盐酸西布曲明),26周减去内脏脂肪37.5%、皮下脂肪24%[27];19名肥胖女性,26周减去内脏脂肪43.3%、皮下脂肪20.1[27];Yip等人2001年:20名肥胖女性(盐酸西布曲明),24周减去内脏脂肪%35.5、皮下脂肪%26.2[28];总之,不管是节食、运动、药物等一切减肥方式(还有胃部手术的没放上来),『减肥过程中内脏脂肪一般比皮下脂肪消耗更多』,所以人体消耗脂肪,是有部位的优先级的。

二、同样是人身上的肥肉,『脂肪』和『脂肪』是不同的按颜色,人体脂肪可以分白色脂肪和棕色脂肪[29][30],以及可以演化成棕色脂肪的米色脂肪[31];按部位,脂肪有皮下、内脏、骨骼肌内脂、心肌脂等。

脂肪组织不仅是脂肪滴的容器,也是调节内分泌的器官。脂肪细胞中富含神经、血管和各种结缔组织[32],能分泌多种细胞因子,调节食欲、能量代谢、免疫功能和生殖[33];

皮下脂肪和内脏脂肪都是白色脂肪组织,但它们具有不同的作用(如内分泌)。皮下脂肪分泌瘦素,对健康可能更有益或者至少无害[34],而内脏脂肪分泌各种促炎物质,如白介素IL-6、C-反应蛋白CRP[33]等,它们与代谢综合征有关[35][36][37][38][39][40]。

说个题外话,皮下脂肪和内脏脂肪的代谢特性差异,也造成了绝经前女性的代谢疾病率明显低于男性[41][42][43][44][45][46][47];并且即便男性和女性的身体脂肪总量相等这种疾病率差异依然存在[48][49]。这主要因为雌激素把脂肪从『内脏』向『腿皮下』“转移”[50][51][52][53][54][55],如果全身脂肪总量相同,男性的内脏脂肪量可能是女性的2倍[56]。

雌激素与脂肪分布

内脏和皮下脂肪脂肪的代谢特性也有不同。Virtanen等人通过同位素标记的葡萄糖,证明了内脏脂肪对葡萄糖的摄取明显高于皮下脂肪[57];Andersson等人让受试者口服了带有同位素标记的甘油三酯,发现内脏脂肪(腹腔网膜)对甘油三酯的摄取显著高于皮下脂肪50%以上[58]。

三、相对而言,内脏脂肪更容易被释放、被身体利用这不是什么新鲜观点,早就是主流结论了。最典型的是Robert等人2007年发表在权威期刊《Diabetes》上的研究,用碳14同位素标记方法追踪来自内脏和非内脏脂肪酸[59]。

封面

这篇论文包含了AB两个研究。

A研究中,内脏脂肪酸释放为60±7%,非内脏脂肪酸释放24±6%;B研究中内脏脂肪酸释放为54±3%,非内脏脂肪酸释放16±5%。这些数据很好的说明了内脏脂肪具有更强的代谢活跃性,更容易被摄取和利用。

内脏脂肪酸释放(白)VS非内脏脂肪酸释放(黑)

1991年,Jensen等人也用上述方法观察研究了20名女性(8人上身肥胖/6人下身体肥胖/6人不肥胖)餐后脂肪酸的总释放情况[60]:

上身肥胖者的脂肪酸释放为161±16微摩/分钟;下身肥胖者的脂肪酸释放为为为111+/-9微摩/分钟;非肥胖者的脂肪酸释放为为92+/-9微摩/分钟。同位素标记追踪的结果证明了腿部脂肪释放的脂肪酸明显少于内脏脂肪。Guo等人也用类似方法,研究了8名上身肥胖和下身肥胖的女性餐后脂肪酸的代谢,发现了内脏脂肪和下半身堆积的脂肪,在餐后脂肪酸流量方面有显著差异[61]。

上身肥胖组的女性内脏脂肪酸释放流为275±45微摩尔/分钟;下半身肥胖组的女性内脏脂肪酸释放流为88±24微摩尔/分钟。这些数据证明了内脏脂肪的代谢流动性明显高于皮下脂肪,优先被释放,优先被消耗。

类似的研究不少[62][63][64][65],结论从性质上相似,就不挨个细说了。总之,内脏脂肪酸的代谢活跃性相对于其他部位更强、更容易被释放出来利用。

这也解释了为什么,很多女生发现减肥初期肚子减得最明显,胸和屁股减得少一些,减肥之后形体得到了美化,腰臀比降低了。

四、内脏脂肪对脂解激素的敏感性更高脂解激素,指的是人体处于禁食、运动或能量不足的状态时器官分泌一些激素。

这些激素从器官(肾脏、胰腺等)被释放,随血液运输到脂肪细胞,与其表面的受体结合,然后引发一系列反应,让脂肪细胞中的脂肪酸被释放出来,供各器官和大脑使用。

典型的脂解激素有胰高血糖素[66]、肾上腺素[67]和去甲肾上腺素[68]等;其中,肾上腺素被认为是最主要的一种。

脂解激素

内脏脂肪对脂解激素更敏感,跟受体有很大关系。

Jeong等人研究了女性皮下(大腿/腹部)和内脏(腹腔网膜)脂肪,发现内脏脂肪细胞与皮下脂肪细胞表面的脂解激素(如肾上腺素)的受体位点数量、分布都有差异[69]:皮下脂肪细胞上的脂解激素(肾上腺素)受体β数量比α-2要少,而内脏脂肪细胞上的β受体跟α-2一样多。

1990年,Arner等人研究了32名非肥胖男女腹部和臀部脂肪细胞中β肾上腺素受体,发现腹部脂肪细胞上的β肾上腺素受体数量几乎是臀部脂肪细胞上的2倍,而且腹部脂肪细胞上的肾上腺素受体β1、β2、β3[70]十分活跃。这可在很大程度上解释内脏脂肪细胞对脂解激素的敏感反应和优先燃烧。

当然,既然有脂解,也就有抗脂解。顾名思义,抗脂解就是对抗脂肪分解,“把脂肪酸关在脂肪细胞里不让它跑出来被燃烧”。

Arner等人还报道说,抗脂解激素(如胰岛素)的受体,在皮下脂肪更活跃[70],但在内脏脂肪细胞中不活跃[71][72]。因此抗脂解激素很难把内脏脂肪制约在脂肪细胞中,结果内脏脂肪容易不受管控的逸出,在供能上优先级较高。

作为一个典型证据,Meek等人对26人注射胰岛素后,腿部皮下脂肪组织的脂肪酸释放几乎完全被制止,而内脏脂肪依然在释放脂肪酸(虽然减少了65%)[73]。

打个有趣的彼方,就像现在疫情来了要封闭清零:

脂肪酸像是居民,腿臀部和内脏就是不同的小区;脂解激素有点像快递员,他们要让小区居民出来拿快递;抗脂解激素就是负责封闭小区的居委会,不让小区居民出来;腿臀部小区居民比较听居委会的话,对外卖的诱惑视若无睹,老老实实待在家里;内脏小区居民不太听居委会话,对快递员很热情,总是跑到外面去拿快递。

五、内脏脂肪的供能优先级:地理位置优势

我们已经知道,在禁食/饥饿/运动/能量不足期间,肾脏/胰腺等器官分泌脂解激素作用于脂肪细胞,释放脂肪酸出来供身体使用。

但是释放的脂肪酸,并不是直接到了各种器官,而是先去肝脏。Michele等人报告[74]在禁食/能量不足状态下,脂肪细胞释放的脂肪酸(至少大部分)先到肝脏,再到肌肉和其他组织。脂肪细胞为什么会开始释放脂肪酸?我们刚刚解释过,脂解激素刺激。

把两张图拼起来就是这样:

粗略框架

这样,整个流程就大体上完整了。所以我们应该清楚,脂肪组织释放的脂肪酸,并不是直接去了肌肉/其他器官,而是先去了肝脏,在肝脏合成TG(甘油三酯),然后再送往肌肉/其他器官。

因为肝脏是能量代谢的中心[74][75]。

这和我们的主题(内脏脂肪供能的优先级)有什么关系?答案是,相比大腿而言,内脏脂肪离肝脏近,向肝脏供能便捷——门静脉[76][77][78]。

门静脉

虽然这种说法听起来有点像地摊文学,但确实在许多科学文献都有提及:『门静脉理论』[79][80]。即:因为网膜、肠系膜等内脏脂肪组织的血管直接连入门静脉,可以将大量的脂肪酸释放到门静脉中,门静脉的脂肪酸浓度可显著高于动脉脂肪酸浓度,使肝脏沐浴在高浓度的脂肪酸流中[81][82]。

Soren等人早在2004年就证明[83]:男性和女性受试者的内脏脂肪越多(越胖),肝脏得到的脂肪酸中,来自内脏脂肪的比例就越高。

男性和女性受试者从内脏脂肪组织脂解产生脂肪酸,向肝脏输送的百分比

Soren等人的研究是一个强有力的证据,证明了餐后内脏肥胖的人的肝脏暴露于更高浓度的游离脂肪酸。这也解释了为什么内脏脂肪在供能上,相对于大腿/皮下脂肪,具有更高的优先级。

总之,减肥一定是先减内脏脂肪、或者说内脏脂肪动用比例较大的。

References1. ^Okura T, Nakata Y, Tanaka K. Effects of exercise intensity on physical fitness and risk factors for coronary heart disease. Obes Res 2003; 11: 1131–1139.

2. ^ Weinsier RL, Hunter GR, Gower BA, Schutz Y, Darnell BE, Zuckerman PA. Body fat distribution in white and black women: different patterns of intraabdominal and subcutaneous abdominal adipose tissue utilization with weight loss. Am J Clin Nutr 2001; 74: 631–636.

3. ^Kelley DE, Kuller LH, McKolanis TM, Harper P, Mancino J, Kalhan S. Effects of moderate weight loss and orlistat on insulin resistance, regional adiposity, and fatty acids in type 2 diabetes. Diabetes Care 2004; 27: 33–40.

4. ^Ross R, Janssen I, Dawson J, Kungl AM, Kuk JL, Wong SL et al. Exercise-induced reduction in obesity and insulin resistance in women: a randomized controlled trial. Obes Res 2004; 12: 789–798.

5. ^Weinsier RL, Hunter GR, Gower BA, Schutz Y, Darnell BE, Zuckerman PA. Body fat distribution in white and black women: different patterns of intraabdominal and subcutaneous abdominal adipose tissue utilization with weight loss. Am J Clin Nutr 2001; 74: 631–636.

6. ^ Gower BA, Weinsier RL, Jordan JM, Hunter GR, Desmond R. Effects of weight loss on changes in insulin sensitivity and lipid concentrations in premenopausal African American and White women. Am J Clin Nutr 2002; 76: 923–927.

7. ^ Pasquali R, Gambineri A, Biscotti D, Vicennati V, Gagliardi L, Colitta D et al. Effect of long-term treatment with metformin added to hypocaloric diet on body composition, fat distribution, and androgen and insulin levels in abdominally obese women with and without the polycystic ovary syndrome. J Clin Endocrinol Metab 2000; 85: 2767–2774.

8. ^Alvarez GE, Davy BM, Ballard TP, Beske SD, Davy KP. Weight loss increases cardiovagal baroreflex function in obese young and older men. Am J Physiol Endocrinol Metab 2005; 289: E665–E669.

9. ^Rice B, Janssen I, Hudson R, Ross R. Effects of aerobic or resistance exercise and/or diet on glucose tolerance and plasma insulin levels in obese men. Diabetes Care 1999; 22: 684–691.

10. ^Weits T, van der Beek EJ, Wedel M, Hubben MW, Koppeschaar HP. Fat patterning during weight reduction: a multimode investigation. Neth J Med 1989; 35: 174–184.

11. ^Okura T, Tanaka K, Nakanishi T, Lee DJ, Nakata Y, Wee SW et al. Effects of obesity phenotype on coronary heart disease risk factors in response to weight loss. Obes Res 2002; 10: 757–766

12. ^Fujioka S, Matsuzawa Y, Tokunaga K, Kawamoto T, Kobatake T, Keno Y et al. Improvement of glucose and lipid metabolism associated with selective reduction of intra-abdominal visceral fat in premenopausal women with visceral fat obesity. Int J Obes 1991; 15: 853–859.

13. ^Janssen I, Ross R. Effects of sex on the change in visceral, subcutaneous adipose tissue and skeletal muscle in response to weight loss. Int J Obes Relat Metab Disord 1999; 23: 1035–1046.

14. ^Tchernof A, Nolan A, Sites CK, Ades PA, Poehlman ET. Weight loss reduces C-reactive protein levels in obese postmenopausal women. Circulation 2002; 105: 564–569.

15. ^Thong FS, Hudson R, Ross R, Janssen I, Graham TE. Plasma leptin in moderately obese men: independent effects of weight loss and aerobic exercise. Am J Physiol Endocrinol Metab 2000; 279: E307–E313.

16. ^abTiikkainen M, Bergholm R, Vehkavaara S, Rissanen A, Hakkinen AM, Tamminen M et al. Effects of identical weight loss on body composition and features of insulin resistance in obese women with high and low liver fat content. Diabetes 2003; 52: 701–707.

17. ^Ross R, Dagnone D, Jones PJ, Smith H, Paddags A, Hudson R et al. Reduction in obesity and related comorbid conditions after dietinduced weight loss or exercise-induced weight loss in men. A randomized, controlled trial. Ann Intern Med 2000; 133: 92–103.

18. ^Gambineri A, Pagotto U, Tschop M, Vicennati V, Manicardi E, Carcello A et al. Anti-androgen treatment increases circulating ghrelin levels in obese women with polycystic ovary syndrome. J Endocrinol Invest 2003; 26: 629–634.

19. ^Park HS, Sim SJ, Park JY. Effect of weight reduction on metabolic syndrome in Korean obese patients. J Korean Med Sci 2004; 19: 202–208.

20. ^Nakamura M, Tanaka M, Kinukawa N, Abe S, Itoh K, Imai K et al. Association between basal serum and leptin levels and changes in abdominal fat distribution during weight loss. J Atheroscler Thromb 2000; 6: 28–32.

21. ^ Park HS, Lee K. Greater beneficial effects of visceral fat reduction compared with subcutaneous fat reduction on parameters of the metabolic syndrome: a study of weight reduction programmes in subjects with visceral and subcutaneous obesity. Diabet Med 2005; 22: 266–272.

22. ^Okura T, Nakata Y, Lee DJ, Ohkawara K, Tanaka K. Effects of aerobic exercise and obesity phenotype on abdominal fat reduction in response to weight loss. Int J Obes (London) 2005; 29: 1259–1266.

23. ^Pare A, Dumont M, Lemieux I, Brochu M, Almeras N, Lemieux S et al. Is the relationship between adipose tissue and waist girth altered by weight loss in obese men? Obes Res 2001; 9: 526–534.

24. ^Kelley DE, Kuller LH, McKolanis TM, Harper P, Mancino J, Kalhan S. Effects of moderate weight loss and orlistat on insulin resistance, regional adiposity, and fatty acids in type 2 diabetes. Diabetes Care 2004; 27: 33–40.

25. ^ Tiikkainen M, Bergholm R, Rissanen A, Aro A, Salminen I, Tamminen M et al. Effects of equal weight loss with orlistat and placebo on body fat and serum fatty acid composition and insulin resistance in obese women. Am J Clin Nutr 2004; 79: 22–30.

26. ^Kim DM, Yoon SJ, Ahn CW, Cha BS, Lim SK, Kim KR et al. Sibutramine improves fat distribution and insulin resistance, and increases serum adiponectin levels in Korean obese nondiabetic premenopausal women. Diabetes Res Clin Pract 2004; 66 (Suppl 1): S139–S144.

27. ^abKamel EG, McNeill G, Van Wijk MC. Change in intra-abdominal adipose tissue volume during weight loss in obese men and women: correlation between magnetic resonance imaging and anthropometric measurements. Int J Obes Relat Metab Disord 2000; 24: 607–613.

28. ^Yip I, Go VL, Hershman JM, Wang HJ, Elashoff R, DeShields S et al. Insulin–leptin–visceral fat relation during weight loss. Pancreas 2001; 23: 197–203.

29. ^nnon B, Nedergaard J. Brown adipose tissue: function and physiological significance. Physiological reviews. 2004;84:277–359.

30. ^Enerbäck S, Jacobsson A, Simpson EM, Guerra C, Yamashita H, Harper ME, Kozak LP. Mice lacking mitochondrial uncoupling protein are cold-sensitive but not obese. Nature. 1997;387:90–94.

31. ^Walden TB, Hansen IR, Timmons JA, Cannon B, Nedergaard J. Recruited vs. nonrecruited molecular signatures of brown, "brite," and white adipose tissues. American journal of physiology Endocrinology and metabolism. 2012;302:E19–31.

32. ^Bartness TJ, Vaughan CH, Song CK. Sympathetic and sensory innervation of brown adipose tissue. Int J Obes (Lond) 2010b;34(Suppl 1):S36–42.

33. ^abTrujillo ME, Scherer PE. Adipose tissue-derived factors: impact on health and disease. Endocr.Rev. 2006;27:762–778.

34. ^Lee MJ, Wu Y, Fried SK. Adipose tissue heterogeneity: mplication of depot differences in adipose tissue for obesity complications. Molecular aspects of medicine. 2013;34:1–11.

35. ^ Bjorntorp P. Metabolic implications of body fat distribution.Diabetes Care 1991; 14: 1132±1143.

36. ^Kissebah AH, Videlingum N, Murray R, et al. Relation of body fat distribution to metabolic complications of obesity. J Clin Endocrinol Metab 1982;54:254-60.

37. ^Abate N, Garg A, Peshock RM, StrayGundersen J, Grundy SM. Relationships of generalized and regional adiposity to insulin sensitivity in men. J Clin Invest 1995;96: 88-98.

38. ^Planas A, Clará A, Pou JM, et al. Relationship of obesity distribution and peripheral arterial occlusive disease in elderly men. Int J Obesity 2001;25:1068–70

39. ^Kete I, Mariken, Volman M, et al. Superiority of skinfold measurements and waist over waist-to-hip ratio for determination of body fat distribution in a population-based cohort of Caucasian Dutch adults. Eur J Endocrinol 2007;156:655–61.

40. ^Alexander JK. Obesity and coronary heart disease. Am J Med Sci 2001;321:215–24.

41. ^Lemer D J, Kannel WB (1986) Patterns of coronary heart diseases morbidity and mortality in the sexes: a 26-year followup of the Framingham population. Am Heart J 11:383-390

42. ^Wingard DL, Suarez L, Barrett-Connor E (1983) The sex differential in mortality from all causes and ischemic heart disease. Am J Epidemio1117:165-172

43. ^Freedman DS, Jacobsen S J, Barboriak JJ et al. (1990) Body fat distribution and male/female differences in lipids and lipoproteins. Circulation 81:1498-1506

44. ^Larsson B, Bengtsson C, Bj6rntorp Pet al. (1992) Is abdominal body fat distribution a major explanation for the sex difference in the incidence of myocardial infarction? Am J Epidemio1135: 266-273

45. ^Seidell JC, Cigolini M, Charzewska Jet al. (1991) Fat distribution and gender differences in serum lipids in men and women from four European communities. Atherosclerosis 87:203-210

46. ^Despr6s JR Moorjani S, Fefland Met al. (1989) Adipose tissue distribution and plasma lipoprotein levels in obese women: importance of intra-abdominal fat. Arteriosclerosis 9:203-210

47. ^Despr6s JP, Moorjani S, Lupien PJ, Tremblay A, Nadeau A, Bouchard C (1990) Regional distribution of body fat, plasma lipoproteins, and cardiovascular disease. Arteriosclerosis 10: 497-511

48. ^ Despr6s JP, Allard C, Tremblay A, Talbot J, Bouchard C (1985) Evidence for a regional component of body fatness in the association with serum lipids in men and women. Metabolism 34:967-973

49. ^Krotkiewski M, Bj6rntorp P, Sj6strOm L, Smith U (1983) Impact of obesity on metabolism in men and women. Importance of regional adipose tissue distribution. J Clin Invest 72: 1150-1162

50. ^Wajchenberg BL. Subcutaneous and visceral adipose tissue: their relation to the metabolic syndrome. Endocr Rev 2000;21:697–738.

51. ^Krotkiewski M, Bjorntorp P, Sjostrom L, Smith U. Impact of obesity on metabolism in men and women. Importance of regional adipose tissue distribution. J Clin Invest 1983;72:1150–62.

52. ^Mayes JS, Watson GH. Direct effects of sex steroid hormones on adipose tissues and obesity. Obes Rev 2004;5:197–216.

53. ^Lemer D J, Kannel WB (1986) Patterns of coronary heart diseases morbidity and mortality in the sexes: a 26-year followup of the Framingham population. Am Heart J 11:383-390

54. ^Kvist H, Chowdury B, Gang~rd U, Tyl6n U, Sj6str0m L (1988) Total and visceral adipose-tissue volumes derived from measurements with computed tomography in adult men and women: predictive equations. Am J Clin Nutr 48:1351-1361

55. ^SjOstr6m L, Kvist H (1988) Regional body fat measurements with computed tomography-scan and evaluation of anthropometric predictions. Acta Med Scand [Suppl] 723:169-177

56. ^Lemieux S, Prud'homme D, Bouchard C, Tremblay A, Despr6s JP (1993) Sex differences in the relation of visceral adipose tissue to total body fatness. Am J Clin Nutr 58:463-467

57. ^Virtanen KA, Lönnroth P, Parkkola R, Peltoniemi P, Asola M, Viljanen T, et al. Glucose uptake and perfusion in subcutaneous and visceral adipose tissue during insulin stimulation in nonobese and obese humans. J Clin Endocrinol Metab. 2002

58. ^Mårin P, Andersson B, Ottosson M, Olbe L, Chowdhury B, Kvist H, et al. The morphology and metabolism of intraabdominal adipose tissue in men. Metabolism. 1992

59. ^Nelson RH, Basu R, Johnson CM, Rizza RA, Miles JM. Splanchnic spillover of extracellular lipase-generated fatty acids in overweight and obese humans. Diabetes. 2007;56:2878–2884.

60. ^Martin ML, Jensen MD. Effects of body fat distribution on regional lipolysis in obesity. J. Clin. Invest. 1991;88:609–613.

61. ^Guo ZK, Hensrud DD, Johnson CM, Jensen MD. Regional postprandial fatty acid metabolism in different obesity phenotypes. Diabetes. 1999;48:1586–1592.

62. ^Jensen MD. Gender differences in regional fatty acid metabolism before and after meal ingestion. J. Clin. Invest. 1995;96:2297–2303.

63. ^Jensen MD, Johnson CM. Contribution of leg and splanchnic free fatty acid (FFA) kinetics to postabsorptive FFA flux in men and women. Metabolism. 1996;45:662–666.

64. ^Basu A, et al. Systemic and regional free fatty acid metabolism in type 2 diabetes. Am. J. Physiol. Endocrinol. Metab. 2001;280:E1000–E1006.

65. ^Meek S, Nair KS, Jensen MD. Insulin regulation of regional free fatty acid metabolism. Diabetes. 1999;48:10–14.

66. ^Birbrair A., Zhang T., Wang Z.M., Messi M.L., Enikolopov G.N., Mintz A., Delbono O. Role of pericytes in skeletal muscle regeneration and fat accumulation. Stem Cells Dev. 2013;22:2298–2314.

67. ^Lafontan M., Langin D. Lipolysis and lipid mobilization in human adipose tissue. Prog. Lipid Res. 2009;48:275–297.

68. ^Jaworski K., Sarkadi-Nagy E., Duncan R.E., Ahmadian M., Sul H.S. Regulation of triglyceride metabolism. IV. Hormonal regulation of lipolysis in adipose tissue. Am. J. Physiol. Gastrointest. Liver Physiol. 2007;293:G1–G4.

69. ^ Mi-Jeong Lee,Susan K. Fried.Depot-Specific Biology of Adipose Tissues: Links to Fat Distribution and Metabolic Risk.Book Editor(s):Todd Leff,James G. Granneman.

70. ^abP Arner 1.Differences in lipolysis between human subcutaneous and omental adipose tissues.Ann Med. 1995 Aug;27(4):435-8.

71. ^Leibel RL, Edens NK, Fried SK. Physiologic basis for the control of body fat distribution in humans. Annu.Rev.Nutr. 1989a;9:417–443.

72. ^Lonnqvist F, Thorne A, Large V, Arner P. Sex differences in visceral fat lipolysis and metabolic complications of obesity. Arterioscler.Thromb.Vasc.Biol. 1997;17:1472–1480.

73. ^Meek SE, Nair KS, Jensen MD. Insulin regulation of regional free fatty acid metabolism. Diabetes. 1999;48:10–14.

74. ^abMichele Alves-Bezerra and David E. Cohen.Triglyceride metabolism in the liver.Compr Physiol. Author manuscript; available in PMC 2019 Feb 15.

75. ^Vasconcellos R, Alvarenga EC, Parreira RC, Lima SS, and Resende RR. Exploring the cell signalling in hepatocyte differentiation. Cell Signal 28: 1773–1788, 2016.

76. ^Antonio Manenti 1, Gianrocco Manco 2, Alberto Farinetti 2, Luca Roncati 3.The intrahepatic branches of portal vein: a relevant surgical topic.Surgery. 2021 May;169(5):1265.

77. ^ Z C Edelson.Preduodenal portal vein.Am J Surg. 1974 May;127(5):599-600.

78. ^Connie Ju  , Xin Li , Sameer Gadani , Baljendra Kapoor , Sasan Partovi.Pfortaderthrombose: Diagnose und endovaskuläres Management.Portal Vein Thrombosis: Diagnosis and Endovascular Management.

79. ^Bjorntorp P. “Portal” adipose tissue as a generator of risk factors for cardiovascular disease and diabetes.

80. ^R N Bergman 1.Non-esterified fatty acids and the liver: why is insulin secreted into the portal vein?.Diabetologia. 2000 Jul;43(7):946-52.

81. ^Michael D. Jensen.Role of Body Fat Distribution and the Metabolic Complications of Obesity.J Clin Endocrinol Metab. 2008 Nov; 93(11 Suppl 1): S57–S63.

82. ^J Svedberg, G Strömblad, A Wirth, U Smith, and P Björntorp.Fatty acids in the portal vein of the rat regulate hepatic insulin clearance.J Clin Invest. 1991 Dec; 88(6): 2054–2058.

83. ^Soren Nielsen,1 ZengKui Guo,1 C. Michael Johnson,2 Donald D. Hensrud,1 and Michael D. Jensen1.Splanchnic lipolysis in human obesity.J Clin Invest. 2004 Jun 1; 113(11): 1582–1588.

84. ^eters S. J., Dyck D. J., Bonen A., Spriet L. L. Effects of epinephrine on lipid metabolism in resting skeletal muscle. The American Journal of Physiology. 1998;275(2 Part 1):E300–E309.

85. ^Dyck D. J., Bonen A. Muscle contraction increases palmitate esterification and oxidation and triacylglycerol oxidation. The American Journal of Physiology. 1998;275(5 Part 1):E888–E896.

86. ^Peters S. J., Dyck D. J., Bonen A., Spriet L. L. Effects of epinephrine on lipid metabolism in resting skeletal muscle. The American Journal of Physiology. 1998;275(2 Part 1):E300–E309.

87. ^Dyck D. J., Bonen A. Muscle contraction increases palmitate esterification and oxidation and triacylglycerol oxidation. The American Journal of Physiology. 1998;275(5 Part 1):E888–E896.

88. ^alanian J.L., Tunstall R.J., Watt M.J., Duong M., Perry C.G.R., Steinberg G.R., Kemp B.E., Heigenhauser G.J.F., Spriet L.L. Adrenergic regulation of HSL serine phosphorylation and activity in human skeletal muscle during the onset of exercise. Am. J. Physiol. Regul. Integr. Comp. Physiol. 2006;291:1094–1099.

89. ^Jocken J.W., Blaak E.E. Catecholamine-induced lipolysis in adipose tissue and skeletal muscle in obesity. Physiol. Behav. 2008;94:219–230.

90. ^Holm C., Osterlund T., Laurell H., Contreras J.A. Molecular mechanisms regulating hormone-sensitive lipase and lipolysis. Annu. Rev. Nutr. 2000;20:365–393.

91. ^Shen W.J., Patel S., Natu V., Kraemer F.B. Mutational analysis of structural features of rat hormone-sensitive lipase. Biochemistry. 1998;37:8973–8979.

92. ^Zimmermann R., Strauss J.G., Haemmerle G., Schoiswohl G., Birner-Gruenberger R., Riederer M., Lass A., Neuberger G., Eisenhaber F., Hermetter A., et al. Fat mobilization in adipose tissue is promoted by adipose triglyceride lipase. Science. 2004;306:1383–1386.

93. ^Villena J.A., Roy S., Sarkadi-Nagy E., Kim K.H., Sul H.S. Desnutrin, an adipocyte gene encoding a novel patatin domain-containing protein, is induced by fasting and glucocorticoids: Ectopic expression of desnutrin increases triglyceride hydrolysis. J. Biol. Chem. 2004;279:47066–47075.

94. ^Roepstorff C., Vistisen B., Kiens B. Intramuscular triacylglycerol in energy metabolism during exercise in humans. Exerc. Sport Sci. Rev. 2005;33:182–188.

95. ^Vaughan M, Berger JE, Steinberg D 1964. Hormone-sensitive lipase and monoglyceride lipase activities in adipose tissue. J Biol Chem 239: 401–409

96. ^Petridou A., Chatzinikolaou A., Avloniti A., Jamurtas A., Loules G., Papassotiriou I., Fatouros I., Mougios V. Increased triacylglycerol lipase activity in adipose tissue of lean and obese men during endurance exercise. J. Clin. Endocrinol.

97. ^Jenkins CM, Mancuso DJ, Yan W, Sims HF, Gibson B, Gross RW 2004. Identification, cloning, expression, and purification of three novel human calcium-independent phospholipase A2 family members possessing triacylglycerol lipase and acylglycerol transacylase activities. J Biol Chem 279: 48968–48975

98. ^Zechner R, Kienesberger PC, Haemmerle G, Zimmermann R, Lass A 2009. Adipose triglyceride lipase and the lipolytic catabolism of cellular fat stores. J Lipid Res 50: 3–21

99. ^Zimmermann R, Strauss JG, Haemmerle G, Schoiswohl G, Birner-Gruenberger R, Riederer M, Lass A, Neuberger G, Eisenhaber F, Hermetter A, et al. 2004. Fat mobilization in adipose tissue is promoted by adipose triglyceride lipase. Science 306: 1383–1386

100. ^Eichmann TO, Kumari M, Haas JT, Farese RV Jr, Zimmermann R, Lass A, Zechner R 2012. Studies on the substrate and stereo/regioselectivity of adipose triglyceride lipase, hormone-sensitive lipase, and diacylglycerol-O-acyltransferases. J Biol Chem 287: 41446–41457

101. ^Vaughan M, Berger JE, Steinberg D 1964. Hormone-sensitive lipase and monoglyceride lipase activities in adipose tissue. J Biol Chem 239: 401–409

102. ^Haemmerle G, Zimmermann R, Hayn M, Theussl C, Waeg G, Wagner E, Sattler W, Magin TM, Wagner EF, Zechner R 2002. Hormone-sensitive lipase deficiency in mice causes diglyceride accumulation in adipose tissue, muscle, and testis. J Biol Chem 277: 4806–4815

103. ^Schweiger M, Schreiber R, Haemmerle G, Lass A, Fledelius C, Jacobsen P, Tornqvist H, Zechner R, Zimmermann R 2006. Adipose triglyceride lipase and hormone-sensitive lipase are the major enzymes in adipose tissue triacylglycerol catabolism. J Biol Chem 281: 40236–40241

104. ^Morley N, Kuksis A 1972. Positional specificity of lipoprotein lipase. J Biol Chem 247: 6389–6393

105. ^ogalska E, Cudrey C, Ferrato F, Verger R 1993. Stereoselective hydrolysis of triglycerides by animal and microbial lipases. Chirality 5: 24–30

106. ^Bertrand T, Auge F, Houtmann J, Rak A, Vallee F, Mikol V, Berne PF, Michot N, Cheuret D, Hoornaert C, et al. 2010. Structural basis for human monoglyceride lipase inhibition. J Mol Biol 396: 663–673

107. ^Ranallo R.F., Rhodes E.C. Lipid metabolism during exercise. Sports Med. 1998;26:29–42.

108. ^Campbell J, Martucci AD, Green GR. Plasma albumin as an acceptor of free fatty acids. Biochem J. 1964;93:183–189.

109. ^Miller N.E. HDL metabolism and its role in lipid transport. Eur. Heart J. 1990;11:1–3.

110. ^Doege H, Stahl A. Protein-mediated fatty acid uptake: novel insights from in vivo models. Physiology (Bethesda) 2006;21:259–268.

111. ^Gimeno RE, Ortegon AM, Patel S, et al. Characterization of a heart-specific fatty acid transport protein. J Biol Chem. 2003;278:16039–16044.

112. ^Schaap FG, Binas B, Danneberg H, van der Vusse GJ, Glatz JF. Impaired long-chain fatty acid utilization by cardiac myocytes isolated from mice lacking the heart-type fatty acid binding protein gene. Circ Res. 1999;85:329–337.

113. ^Jeukendrup AE. Regulation of fat metabolism in skeletal muscle. Ann N Y Acad Sci. 2002;967:217–235.

114. ^Harasim E., Kalinowska A., Chabowski A., Stepek T. The role of fatty-acid transport proteins (FAT/CD36, FABPpm, FATP) in lipid metabolism in skeletal muscles. Postepy Higieny Medycyny Doswiadczalnej. 2008;62:433–441.

115. ^Bruce CR, Brolin C, Turner N, Cleasby ME, van der Leij FR, Cooney GJ, Kraegen EW. Overexpression of carnitine palmitoyltransferase I in skeletal muscle in vivo increases fatty acid oxidation and reduces triacylglycerol esterification. Am J Physiol Endocrinol Metab. 2007;292:E1231–1237.

116. ^Monaco C., Whitfield J., Jain S.S., Spriet L.L., Bonen A., Holloway G.P. Activation of AMPKα2 is not required for mitochondrial FAT/CD36 accumulation during exercise. PLoS ONE. 2015;10:e0126122.

117. ^van der Leij FR, Huijkman NC, Boomsma C, Kuipers JR, Bartelds B. Genomics of the human carnitine acyltransferase genes. Mol Genet Metab. 2000;71:139–153.

118. ^Bonnefont JP, Djouadi F, Prip-Buus C, Gobin S, Munnich A, Bastin J. Carnitine palmitoyltransferases 1 and 2: biochemical, molecular and medical aspects. Mol Aspects Med. 2004;25:495–520.

119. ^McGarry J.D., Brown N.F. The mitochondrial carnitine palmitoyltransferase system. Eur. J. Biochem. 1997;244:1–14.

120. ^Holloway G.P., Bezaire V., Heigenhauser G.J.F., Tandon N.N., Glatz J.F.C., Luiken J.J.F.P., Bonen A., Spriet L.L. Mitochondrial long chain fatty acid oxidation, fatty acid translocase/CD36 content and carnitine palmitoyltransferase I activity in human skeletal muscle during aerobic exercise. J. Physiol. 2006;571:201–210.

121. ^Houten S.M., Violante S., Ventura F.V., Wanders R.J. The biochemistry and physiology of mitochondrial fatty acid β-oxidation and its genetic disorders. Annu. Rev. Physiol. 2016;78:23–44.

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