The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色谱-质谱法检测有机玻璃在雕刻过程中排放有害气体组成。
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Using a combination of electrophoresis (which sorts proteins according to their size and electrical properties) and mass spectrometry (which sorts fragments of those proteins according to their weight), she was able to do just that.
Molette 博士使电泳(根据蛋白的分子大小和电荷差异,将蛋白分离)和(根据分子量将蛋白碎片分离)测定来进行实验。