清华大学研制的小型飞行时间质谱计(TOFMS)体积小,且具有质量范围宽,全谱分析快等优点,分辨率亦满足要求。
The novel Mini-TOFMS developed in Tsinghua university not only has a large mass range and a high analysis speed, but also realized good resolution in a small volume.
利用元素分析、红外光谱、核磁共振氢谱和激光解析电离飞行时间质谱确证了其组成和结构。
Their chemical structures were confirmed by means of elemental analysis, infared spectra, proton nuclear magnetic resonance spectra and mass spectra.
需明白,因为我们大多倚赖高度表来飞行,根本没有认真花时间去分析飞行的感觉及飞行时的风声等。
You see, because most of us always fly with a vario we never really spend the time to analyse the feelings and wind noise in flight.
本文从理论上对行式打印机电磁铁部件的击打能量、飞行时间和滞后时间等问题,进行了分析计算;
This paper gives a theoretical analysis about the hit energy, flight time, delay time etc. of the electromagnetic parts of a line printer.
运用概率密度理论建立了一套飞行时间质谱的峰形模拟的方法和程序,并通过模拟分析考察了不同的空间分布和速度分布对离子峰形的影响。
A peak shape simulation program of TOFMS based on probability was developed, and the effects of ionic initial spatial and velocity distributions on ionic peak shape were studied.
根据实验参数进行了符合效率计算,该实验方法可用于微量气体元素甚至同位素的绝对含量分析,较单独的飞行时间谱更加可靠。
The coincidence efficiency was investigated. This measurement can be used to analyze absolute content of gas atom, even of isotopes. This method is more reliable than the Time-Of-Flight spectra.
根据实验参数进行了符合效率计算,该实验方法可用于微量气体元素甚至同位素的绝对含量分析,较单独的飞行时间谱更加可靠。
The coincidence efficiency was investigated. This measurement can be used to analyze absolute content of gas atom, even of isotopes. This method is more reliable than the Time-Of-Flight spectra.
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