双语例句原声例句
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Physical and chemical characterization of the catalysts as well as some import catalysts also was carried out by means of atomic spectra, activity and BET surface area measurement, XRD and IR etc.
用原子吸收、碘价分析、BET比表面测定、XRD和IR等手段对上述催化剂以及进口催化剂进行了物理和化学表征。
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He measured the line spectra of atomic hydrogen.
测量了氢原子的线光谱。
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A computer program to calculate atomic concentrations in the surface layer of multi-element solids from experimental RBS spectra is presented.
本文介绍了一个根据RBS实验谱计算多元素样品表面层原子浓度的程序。
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He measured the line spectra of atomic hydrogen.
测量了氢原子的线光谱。
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Because only atomic hydrogen has that set of lines which means I could then take the spectra of gas phase species and use that information to identify.
我在这抬头看看然后离开，那就是氢原子,那就意味着,我可以测定,气相种类的光谱并且运用那个信息来鉴定。
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