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429438 of 888 results
429.
There are multiple way to measure the pH-Value of an solution. With a litmus paper it is easy to get a pretty precise pH-Value. The color indicates the value. If you need a more precise value you can for example use a pH-Meter which is using the conductivity of a solution.
有很多种办法测试溶液的PH值。应用石蕊试纸可以轻易地到一个精确的PH值。试纸的颜色指示了这个值。如果您需要一个更精确的值,您可以使用PH计,它采用的是通过PH电极测量溶液的电导率,并折算出PH值的方法。
Translated by yuanjiayj on 2008-01-14
Reviewed by yjjart on 2008-07-10
430.
Short-stem Funnel
i18n: file: data/tools.xml:204
短颈漏斗
Translated by yuanjiayj on 2006-10-11
Reviewed by yjjart on 2008-07-10
Located in rc.cpp:1432
431.
A funnel is used in the laboratory to fill powder into something.
短颈漏斗在实验室中用于将粉末加入到一些东西中。
Translated by yuanjiayj on 2006-10-11
Reviewed by yjjart on 2008-07-10
432.
Buret
i18n: file: data/tools.xml:209
滴定管
Translated by yuanjiayj on 2006-10-11
Reviewed by yjjart on 2008-07-10
Located in rc.cpp:2638
433.
A buret is used to titrate liquids. The buret is filled with a specified volume of a liquid. Below it a container like an Erlenmeyer flask is placed. By opening the valve the liquid in the container will be titrated. High-quality buret have a venting-mechanism with which they can be very easily refilled with the exact volume for which the buret is calibrated.
i18n: file: data/tools.xml:210
滴定管用于液体滴定。首先在滴定管中加入一定体积的液体。在它的下方放置一个锥形瓶。只要打开滴定管的阀门,液体就可以滴入锥形瓶。高级的滴定管都有一种抽液功能使它们每次在滴定完毕时可以很精确地将滴定液加到精确的刻度。
Translated by yuanjiayj on 2008-01-14
Reviewed by yjjart on 2008-07-10
Located in rc.cpp:1438
434.
Beaker
i18n: file: data/tools.xml:214
烧杯
Translated by yuanjiayj on 2008-01-14
Reviewed by yjjart on 2008-07-10
Located in rc.cpp:2642
435.
Beakers are used in many places for a lot of tasks. They are used to store chemicals are to perform chemical reactions. They are also often used for titrations.
i18n: file: data/tools.xml:215
烧杯可以用在化学工作的很多地方。它们可以被用于存贮化学品以便完成反应。它们也可用于滴定。
Translated by yuanjiayj on 2008-01-14
Reviewed by yjjart on 2008-07-10
Located in rc.cpp:1442
436.
DSC (Differencial Scanning Calorimetry)
i18n: file: data/tools.xml:219
DSC(差热仪)
Translated and reviewed by yjjart on 2008-07-10
In upstream:
DSC(差示扫描热量测定仪)
Suggested by yuanjiayj on 2008-01-14
Located in rc.cpp:1444
437.
The DSC measures the heat flow volume of a compound. This value is very specific for every kind of matter. Thus, the DSC is used to identify chemicals or to describe them.
i18n: file: data/tools.xml:220
差热仪用于测量热通量,每种物质的热通量都是特定的。测定结果可为材料的特征分析提供颇有价值的信息。
Translated and reviewed by yjjart on 2008-07-10
In upstream:
差示扫描热量测定仪用于测量热通量,每种物质的热通量都是特定的。测定结果可为材料的特征分析提供颇有价值的信息。
Suggested by yuanjiayj on 2006-10-11
Located in rc.cpp:1446
438.
Dewar vessel
i18n: file: data/tools.xml:224
杜瓦瓶
Translated by yuanjiayj on 2006-10-11
Reviewed by yjjart on 2008-07-10
Located in rc.cpp:1448
429438 of 888 results

This translation is managed by Ubuntu Simplified Chinese Translators, assigned by Ubuntu Translators.

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Contributors to this translation: Feng Chao, Funda Wang, Harald Sitter, Jeroen T. Vermeulen, Jonathan Riddell, Lie Ex, Tao Wei, ho121, yjjart, yuanjiayj, zhangmiao.