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RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.

结果得到金霉素样品液相色图以及液相色一级质图。图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。

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commandment, commando, commandress, commands, commandstation, command-string, commasculation, commaterial, COMMCEN, commeasurable,

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3G, 401(K), a,

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And so in the mass spectrum, it doesn't matter if experts don't have to say in advance what molecule they are looking for.

因此，在质谱分析中，专需事先指定要寻找的分子。

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周日奥秘晓

This valuable information was  obtained from the CDA mass spectrum analysis of over 300 ice grains from the E-ring.

这些宝贵的信息来自对E环中超过300的宇宙尘埃分析仪质量谱分析。

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周日奥秘晓

The instrument then separates the plasma components and analyzes the resulting mass  spectrum of the ions produced by the impacting dust particle.

然后该仪器分离等离子体成分，并分析由撞击尘埃子产生的离子的质量谱。

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commencement ceremony, commend, commendable, commendably, commendam, commendation, commendatory, commensal, commensalism, commensurability,

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3G, 401(K), a,
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