| 1.This amount of energy is specific to a particular electron transition in a particular element, and in general, each wavelength corresponds to only one element.译文：某元素中特定电子的跃迁所需能量是特定的，一般来说，一种原子与一个波长相对应。 | |
| | 2.Typical uses of GC include testing the purity of a particular substance, or separating the different components of a mixture译文：气相色谱的典型用途是测试粒状物的结构和化合物的不同组成。 | |
| | 3.Substances and the form of a substance used in a chemical process should be chosen so as to minimise the potential for chemical accidents, including releases, explosions and fires. 译文：化学过程中使用的物质及物质的形态应当选择用以尽量减少发生包括释放、爆炸及火灾之类的潜在的化学事故。 | |
| | 4.UV/Vis spectroscopy is often used in the quantitative determination of solutions of transition metal ions and highly conjugated organic compounds. 译文：紫外-可见分光光度计经常用来定性分析金属离子和有机化合物。 | |
| | 5.The instrument used in ultraviolet-visible spectroscopy is called a UV/vis spectrophotometer。译文：紫外-可见吸收光谱法中使用的仪器称为紫外-可见分光光度计。 | |
| | 6.In chemical production, well written safety manual is kept available at all places to know about various hazards and to bring the risk level to tolerable. 译文：在化工生产中，辞藻华丽的安全手册在所有场合都适用于了解各种危害和将风险降至可容忍的水平。 | |
| | 7.If there was not an alternative, they would then find a way of using the carbon dioxide in some other process.译文：如果没有替代方案，他们就会寻找途径将二氧化碳用于其他一些过程。 | |
| | 8.In order to create sense of safety consciousness, safety section can organize various competitions every year like safety essay, slogan, debate and quiz competitions for regular employees and give prizes to the winners. 译文：为了建立安全意识，安全委员会每年都可以组织正式员工参加各种竞赛， | |
| 1.normal phase chromatography | |
| | 2.极性 | |
| | 3.负面影响；负面效应 | |
| | 4.硫酸 | |
| | 5. 分析方法 | |
| | 6.载气 | |
| | 7.absorption spectroscopy | |
| | 8.stationary phase | |
| | 9.electron transition | |
| | 10.renewable resources | |
| | 11.straight chain | |
| | 12.Capillary columns | |
| | 13. 柱色谱 | |
| | 14.atomic absorption spectrometry | |
| | 15.波长 | |
|
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