mass spectrometer analysis 质谱分析
tandem mass spectrometer analysis 串联质谱
quadrupole mass spectrometer analysis 四极质谱分析
neutron activation analysis spectrometer 中子活化分析能谱仪
micro analysis mass spectrometer 微量分析质谱计
It is necessary to solve openning-tube sampling problem for the mass-spectrometer analysis of residual gases in sealed vacuum devices.
密封真空器件内残气的质谱分析，必须解决开管取样技术问题。
The fibres were replaced at regular intervals over the course of seven days and taken away for analysis by a device called a gas chromatograph-mass spectrometer.
在七天的实验里，每隔一定时间就要更换一次纤维，然后用一种叫做气相色谱质谱联用仪的装置提取以供分析。
Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material.
四极质谱计在真空技术中可用来测量分压强，从事物质成分的分析。
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