• 第三溶剂碳氢化合物。

    The third solvent is a hydrochlorofluorocarbon.

    youdao

  • 利用软件进行甲烷灭火系统模拟方法研究

    Study the simulating method of trifluoromethane fire extinguishing system by a software.

    youdao

  • 每个人需要每天牙膏

    Everyone should brush with a fluoride toothpaste every day.

    youdao

  • 大多数牙膏可以防龋的。

    Most toothpastes contain fluoride, which has been proven to prevent cavities.

    youdao

  • 的,对碳线!因为沉水

    Right. Say no to fluoro. It sinks!

    youdao

  • 所以化氢中的氢共价键。

    And so this is the H-F bond in HF.

    youdao

  • 含有特殊非金属元素

    Fluorine is the special non-metal element in tea.

    youdao

  • 目的探讨成骨细胞影响

    Objective: To study the effect of fluoride on osteoblasts.

    youdao

  • 做什么很多瓶装不加

    What You Can Do: Drink plenty of bottled, non-fluoridated water.

    youdao

  • 全球多数产生工厂中国

    Most of the world's factories that produce HFC are in China.

    youdao

  • 但是如何发挥魔力的?

    But how does fluoride work its magic?

    youdao

  • 方法适于固态生物样品测定

    The method can determine fluorine in solid biologic samples.

    youdao

  • 得到一种新的效果显著方法

    A new remarkable method of remove fluor was got.

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  • 就是

    Here is oxygen and fluorine.

    youdao

  • 目的了解过量摄入人体心脏影响

    Objective To study the influence of excessive fluorine on human heart.

    youdao

  • 目的观察石灰毒性影响

    Objective to study the effect of soda lime on the hepatotoxicity of sevoflurane.

    youdao

  • 怎么知道何时编织线,何时用碳线

    How do I know when to use braid and when to use fluorocarbon?

    youdao

  • 目的探讨影响学习记忆功能作用机理

    Objective In order to investigate the mechanism of effect of fluoride on learning and memory.

    youdao

  • 同样结构只有七个价电子

    Now here is fluorine, same skeleton, only fluorine has seven valence electrons.

    youdao

  • 事实上绿茶含有

    In fact, green tea contains fluoride inside.

    youdao

  • 胺氰菊酯用于蜜蜂高效杀螨剂

    The fluvalinate is one kind of high efficient acaricides for honeybee.

    youdao

  • 焦作地区存在较大范围地下水

    There is a large range of high section of groundwater in Jiaozuo area.

    youdao

  • 空调可以多加吗?

    Add fluoride can add air conditioning?

    youdao

  • 在大气中滞留将近的地烷是危害的。

    Desflurane, which lasts for nearly nine years, has the most impact.

    youdao

  • 我们每人呼吸次就会吸入一些氯化碳。

    Each one of us inhales CFCs in every breath we take.

    youdao

  • 本文研究饮水废水处理工艺

    This paper studies a new technology of water defluoridation and fluoride waste treatment.

    youdao

  • 每天至少牙膏刷牙两次,每次刷分钟

    Brush for at least two minutes, twice daily, with a fluoridated toothpaste.

    youdao

  • 市场许许多多的洁齿垢牙膏,其中绝大多数含有

    There are many tartar control toothpastes on the market, most of which contain fluoride.

    youdao

  • 市场许许多多的洁齿垢牙膏,其中绝大多数含有

    There are many tartar control toothpastes on the market, most of which contain fluoride.

    youdao

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