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- parabola mass spectrography 抛物线质谱法
- In the mass spectrograph the ions are focused onto a photographic plate. 在质谱仪中，离子聚焦在感光板上。
- Method: The gas chromatography-time of flight mass spectrography (GC-TOFMS) was employed. 方法：采用气相色谱－飞行时间质谱法进行测定分析。
- F. W. Aston, the British experimental physicist, won the Nobel Prize in chemistry in 1922 due to the invention of a mass spectrograph. 英国实验物理学家阿斯顿因发明质谱仪分离同位素而获得1922年诺贝尔化学奖.
- It has been already about 90 years from the first mass spectrograph invented by JJ. J.;Thomson研制出世界上第一台质谱装置到今天已经有了90余年的历史。
- The gas components in the interlayer of the car were analyzed by mass spectrograph. 罐头顶隙气体成分,是造成罐头变质的主要原因。
- The application of mass spectrograph to the amylose structure analysis was reviewed. 就质谱技术在多糖结构测定中的应用进行论述.
- Gas breathed out was collected at 9 different time within 120 min. The samples were analyzed with mass spectrograph to obtain DOB, MV and CUM curves and CUM120 value. 在120 min内9个时间点收集呼出气体;利用呼气质谱仪作出DOB、MV、CUM曲线及CUM120数值.
- The paper introduces the basic principle, constitutes and classify of Mass spectrograph, and mainly reviews the application of food analysis in injurant and toxicant. 本文对质谱技术进行了简要的介绍,并就此技术在食品中有毒有害物质的分析方面的应用进行了综述。
- Structute of nitrogen heterocyclic ring quaternary ammonium salt cationic surfactants was identi fied by mass spectrography, nuclear magnetic resonance spectra,infrared spectra and etc. 用质谱法、核磁共振波谱法、红外光谱法等，确定了未知氮杂环季铵盐型阳离子表面活性剂的结构。
- Using inductively coupled plasma mass spectrography,the contents of uranium,thoron and cesium in normal human body were detected with inter comparison made with reference materials. 采用电感耦合等离子质谱法,检测了正常成年人体内铀、钍和铯的含量,分析方法用参考物质进行比对。
- The family composition of Daqing heavy oil and the latent content of lubricating oil with mass spectrography and solvent dewaxing methond were analyzed, and then compared with document data. 采用质谱法、溶剂脱蜡法对大庆原油重质馏分油的族组成和润滑油潜含量进行了分析并与文献数据对照，对大庆原油重质馏分油的组成变化情况进行了讨论。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- double-focusing mass spectrograph 双聚焦质谱仪
- velocity-focusing mass spectrograph 速度聚焦质谱仪
- gas chromatography and mass spectrograph (GC/MS) 气相色谱／质谱
- double-focusing mass spectrograph in solid analysis 固体分析双聚焦质谱仪
- The mass rally was a total fiasco. 那次群众集会彻底失败。
- industry online mass spectrograph 工业在线质谱仪
- Let's collect the sap before its consolidation into a hard mass. 让我们在树液坚固成团之前将之收集起来。
