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英文：
Tea-leaf basic composition and effect
Take tea many advantages, this is well-known.But take tea why will there are many advantages?This to ordinary people, is know it however don't know why however.Along with the development of science, the beginning of 19 centuries, the composition of tea industry just definitely gets up gradually.Through the separation of modern science with authenticate, contain organic chemistry composition to reach to 450 varieties in tea-leaf, have no machine mineral chemical element to reach to 40 variety.The organic chemistry composition in tea-leaf and have no machine mineral chemical element to imply many nourishment compositions and efficacy of medicine composition.The organic chemistry composition mainly has:Tea polyphenol, plant alkali, protein, amino acids, vitamin, the fruit gum vegetable, organic acid, fat are many sugar, sugar, Mao, dye...etc..But iron view the organic chemistry composition contain by sound, such as the tea polyphenol, the son tea vegetable, various amino acids etc. contents, obviously high at other tea.Have no machine mineral chemical element to mainly have:Potassium, calcium, magnesium, cobalt, iron, manganese, aluminum, sodium, zinc, copper, nitrogen, Lin, fluorine, iodine, selenium...etc..What iron view sound contain has no machine mineral chemical element, such as manganese, iron, fluorine, potassium, sodium...etc. all high at other tea.
A, tea-leaf basic composition
1, the son tea plain type:be so called a tea tannin, is tea-leaf to have results to show especially, have bitterness, Se flavor and astringency. 2, caffeine:take bitter taste, is the important composition which constitutes tea soup taste. 3, mineral quality:have in the tea abundant mineral qualities with 11 kinds of potassium, calcium, magnesium, manganese...etc..
Two, the function of tea-leaf basic composition
1, the son tea plain type:
Being so called a tea tannin is tea-leaf to have results to show especially and have bitterness, Se flavor and astringency.Can combine with caffeine but mollify a caffeine's physiology function for human body in the tea soup.Have the anti- oxidize, the anti- be suddenly different to change, anti- tumor, lower the cholesterol and the low density ester egg white content in the blood, repress blood pressure ascension, repress blood platelets to solidify, anti-virus, anti- outcome allergy etc. effect.
2, caffeine:
Taking bitter taste is the important composition which constitutes tea soup taste.In the black tea tea soup, with have no Fen more to combine to become compound;The tea soup becomes to emulsify phenomenon after ising cold.The special son tea plain type and it in tea oxidizes Suo and thing and can make in addition to medium caffeine of excited function deceleration but keep on, so drink tea can make the person whom the long distance drive keep brains to wide awake and more have already born dint.
3, mineral quality:
There is abundant mineral qualities with 11 kinds of potassium, calcium, magnesium, manganese...etc. in the tea.The cation content is more in the tea soup but anion less, belong to an alkaline food.Can help a body fluid maintenance alkalescence, keep healthy.
① Potassium:Help the blood sodium to expel.The blood sodium content Gao is one of the reason which causes high blood pressure and much taking tea can prevent°from high blood pressure. ② Fluorine:Have effect of prevent°from the decayed tooth. ③ Manganese:Have the anti- oxidize and prevent°froms aging effect, strengthen immunity function, and contribute to the exploitation of calcium.Because don't be dissolve in hot water, can whet into tea powder edible.
4, vitamin. htms: ① carotene:Can convert into vitamin in the human body, but would not° until with tea didn't drink to swallow together be able to add. The vitamin of ② Bs and vitamin C:is water-soluble, can from take tea in obtain.
5, other function compositions: The ① flavonoid Chun strengthens the cancellation halitosis effect of the capillaries wall. ② Soap the vegetable be anti-cancer and the anti- blaze disease effect. The ③ An Ji Lao is sour in make to force tea-leaf to carry on having no oxygen breath but creation in the tea process, call that the good leaf dragon tea can defend high blood pressure.
什么是公开市场业务?
公开市场业务是货币政策工具之一，指的是中央银行在金融市场上买卖政府债券来控制货币供给和利率的政策行为，是目前多数发达国家（更准确的说是大多数市场经济国家）中央银行控制货币供给量的重要和常用的工具。
根据中央银行在公开市场买卖证券的差异，可分为广义和狭义的公开市场。所谓广义公开市场，是指在一些金融市场不发达的国家，政府公债和国库券的数量有限，
因此，中央银行除了在公开市场上买进或卖出政府公债和国库券之外，还买卖地方政府债券、政府担保的债券、银行承兑汇票等，以达到调节信用和控制货币供应量的目的。
所谓狭义公开市场，是指主要买卖政府公债和国库券。在一些发达国家，政府公债和国库券发行量大，且流通范围广泛，中央银行在公开市场上只需买进或卖出政府公债和国库券，就可以达到调节信用，控制货币量的目的。
扩展资料：
中央银行凭借自己的资金实力，在公开市场买进或卖出各种有价证券，从而增加和减少商业银行的超额准备金，以达到控制货币供应量和市场利率的目的，这种活动有防御型和进攻型两种方式。
防御型的公开市场活动，是指中央银行买进和卖出证券，其目的在于缓和或消除在发行通货或代收票据过程中，由于季节性或偶然性因素给商业银行准备金和市场利率带来的不利影响只是一种消极活动。
进攻型的公开市场活动，是指中央银行买进和卖出证券，作为积极活动，其目的在于预先控制商业银行超额准备金和市场利率，以维持金融稳定，促进经济发展。
参考资料来源：百度百科－公开市场业务
三款全合成机油，哪个更好呢？摩特HTMS、欧版银美孚、黑版嘉实多
MOTUL HTMS是很不错，发动机噪音比我之前用的丰田半合成纯牌5W-30好了不少，提速也很快，就是看到价格和0W才想用用美孚，看了大家说的，还是继续用MOTUL吧。另外手动波箱的兄弟，我强烈推荐红线的MT90，超级棒。。。 查看原帖
麻烦采纳，谢谢!
OPPO k9s精简列表
建议通过adb调试进行精简操作，先附上操作指令[笑眼][笑眼][笑眼][笑眼][笑眼][笑眼][笑眼]
#OPPOk9s# #ColorOS11# #OPPO#
删除指令adb shell pm uninstall –user 0
恢复指令adb shell pm install-existing –user 0
（指令后空格加需要精简组件的包名）
本清单针对ColorOS11.2（a02-04）系统版本
一、系统更新组件
com.oppo.ota
com.coloros.sau
com.nearme.romupdate
com.coloros.sauhelper更新帮助（未测试）
二、谷歌相关
com.google.gsf
谷歌服务框架
com.google.android.onetimeinitializer
谷歌应用首次配置
com.google.android.partnersetup
谷歌合作伙伴设置
com.google.android.gms
谷歌移动服务
com.google.android.syncadapters.contacts（谷歌通讯录备份？）
com.android.calllogbackup谷
歌通话记录备份
com.google.ar.core
谷歌AR引擎
com.google.android.marvin.talkback Android无障碍套件
（注:精简之后其他设置菜单中的Google选项不会消失而是重定向至Qcolor，也就是被隐藏的屏幕色彩调节选项）
三、系统日常组件
com.heytap.music音乐
com.heytap.browser浏览器（建议提前准备好替代品比如Chrome）
com.finshell.wallet钱包（办理屏碎保可能遇到无法跳转）
com.heytap.market软件商店
com.oppo.usercenter我的OPPO
com.coloros.calendar日历
com.heytap.themestore主题商店（一般不建议删除）
四、其他组件
com.opos.ads系统广告服务
com.baidu.input_oppo百度输入法（精简之后无法使用机械键盘特性）
com.coloros.childrenspace儿童空间
com.android.printspooler打印处理服务
com.coloros.karaoke k歌返听（有k歌需求的勿删）
com.coloros.translate.engine翻译引擎
com.coloros.logkit反馈工具箱
com.heytap.pictorial乐划锁屏
com.coloros.smartlock智能解锁（手环解锁功能？）
com.coloros.gamespace 游戏 空间（精简后 游戏 工具不可用）
com.coloros.smartsidebar智能边栏（精简后小窗功能削弱）
com.coloros.focusmode专注模式
com.coloros.smartdrive智能驾驶
com.coloros.directui Breeno识屏
com.coloros.systemclone系统分身（精简后双系统功能不再可用）
com.heytap.yoli音乐（很奇怪为啥有俩音乐，正在查证）
com.iflytek.speechsuite讯飞语音引擎（和语音助手有关不影响讯飞输入法）
com.heytap.speechassist语音助手
com.coloros.ocrscanner Breeno识屏（删除之后功能失效设置菜单还在）
com.android.nfc NFC服务（我寻思K9s也没有nfc啊）
com.heytap.quicksearchbox全局搜索
com.oplus.aod息屏显示（我寻思也不是oled啊）
com.android.vending（真不记得这是啥了但是没啥影响）
com.android.traceur系统跟踪（删除之后没影响，作用不明）
com.nearme.instant.platform快应用平台
com.coloros.accessibilityassistant语音字幕
com.nearme.statistics.rom用户体验改进计划
com.coloros.healthservice 健康 服务（有记步需求的不建议）
com.coloros.feedback反馈服务
com.android.bips默认打印服务
com.heytap.cast手机投屏
com.android.dlna.service手机投屏服务
com.coloros.encryption私密保险箱（位于设置—隐私中）
com.heytap.mydevices我的设备（应该是显示耳机之类的设备）
com.coloros.scenemode情景模式
com.coloros.assistantscreen Breeno速览（删除之后负一屏失效）
com.coloros.securitykeyboard安全键盘（输入密码时弹出）
com.coloros.activation电子保卡
com.coloros.sharescreen共享与协助（有需要使用远程帮助的勿删）
com.coloros.operationManual使用说明（位于设置—其他设置中）
com.coloros.floatassistant悬浮球
com.heytap.htms（欢太）移动服务（删除可能无法登陆OPPO账户）
com.coloros.oppomultiapp应用分身（多开微信的勿删）
com.heytap.cloud欢太云（使用手机云服务勿删）
com.coloros.securepay支付保护
com.coloros.oshare OPPO互传
com.coloros.findmyphone查找手机（未测试）
com.coloros.ocrservice识屏服务
本清单针对ColorOS11.2（a02-04）版本系统将保持更新，欢迎大家给予反馈
--阿西达卡爱吃鱼