His main tool is a device called a secondary-ion mass spectrometer.
他的主要工具是一种叫做二次离子质谱仪的装置。
The researchers used a focused beam of caesium ions to dislodge molecules of water from the inclusions and measured the amount with a mass spectrometer.
研究人员用聚焦的铯离子束将水分子自包裹体中打出并用质谱仪测量其数量。
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。
The most important characteristic of a mass spectrometer leak detector is its sensitivity.
质谱探漏仪的灵敏度是仪器最重要的性能指标。
The device is readily removed and installed at ambient pressure without venting the mass spectrometer.
该设备易于在环境压力下安装和拆除，而不用对质谱仪抽气。
Detection: ion trap mass spectrometer.
检测方法：离子阱质谱计。
The mass spectrometer may be used in a trace gas leak detector.
可以在示踪气体泄漏检测器中使用所述质谱仪。
In this paper a magnetic sector mass spectrometer for experiments is described.
本文叙述了一台实验用的扇形磁质谱计。
The liquid products were detected by gas chromatograph-mass spectrometer (GC-MS).
采用气相色谱-质谱联用仪对液体产物进行了分析。
The chromatograph-mass spectrometer has been made, and we can start printing at any time.
套色版已经制作完成了，随时都可以开始印刷。
The present invention provides a radio frequency (RF) power supply in a mass spectrometer.
本发明提供了一种用在质谱仪中的射频(RF)电源。
Introduces the technology and principle of time-of-flight mass spectrometer-photodissociation ion imaging.
简述了飞行时间质谱——光离子成像技术的原理和设计。
A quadrupole mass spectrometer is used to measure the changes in impurities before and after the discharge.
用四极质谱计来测量放电前后杂质的变化。
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。
One of the advantages of the mass spectrometer is that it can record spectra from small quantities of substance.
质谱计的优点之一是它能记录少量物质的质谱。
The principle and performance of a home-made miniature photoionization ion trap mass spectrometer was introduced.
介绍了自行研制的紫外光电离离子阱质谱仪的原理和性能。
A mass spectrometer ion source and a mass spectrometer system containing the multi-inlet sampling device are also provided.
还提供了含有该多入口取样设备的质谱仪离子源和质谱仪系统。
This pushes molecules off the sample surface as gaseous ions, which can be detected and identified by the mass spectrometer.
这就使得分子以气化离子的形式离开样品表面，从而被质谱仪检测到并完成鉴定。
To improve the performance of a mass spectrometer, a novel method is proposed to construct an ion trap array mass spectrometer.
为了提高质谱仪的性能，提出了一种全新的构建阵列离子阱质谱仪的方法。
It shows that the result obtained by the dynamic method of mass spectrometer is uniform with the datum given by many references.
结果表明质谱计动态法所得结果与许多基本文献提供的数据是一致的。
Quadrupole mass spectrometer was used to analyze the plasma environment of RF magnetron sputtering PTFE target with pulsed bias.
采用四极质谱仪测量了试验参数对高压脉冲增强射频磁控溅射ptfe靶等离子体气氛的影响规律。
Abstract: Helium mass spectrometer sniffing probe method is widely used in the process of the single point leak testing on the spacecraft.
摘要航天器的单点漏率测试往往采用氦质谱吸枪检漏法，因此，研究该方法的不确定度评定具有重要的工程实际意义。
The chemical composition of the volatile oil from Paederia scandens was analysed by gas chromatography mass spectrometer (GC/MS) technique.
利用气相色谱-质谱联用（GC／MS）技术对鸡屎藤挥发油化学成分进行分析研究。
Methods: A distillation method was used to extract the volatile oil and a gas-mass spectrometer was used to analyze the chemical composition.
方法：用水蒸汽蒸馏法提取紫色姜挥发油，并通过气相-质谱联用仪分析研究。
The analysis method USES a simplified version of a mass spectrometer, a tool that can be used to separate and identify molecules in compounds.
这种方法运用简化的质谱仪来分析样本。质谱仪可用于分离和识别化合物中的分子。
The working principle, configuration and performance of an autosampler of 13 C mass spectrometer used for expiration gas analysis are described.
介绍了自行研制的13C质谱仪自动进样器的工作原理、结构和性能。
Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method.
方法用石油醚提取脂肪油并甲酯化，采用毛细管气相色谱-质谱联用技术对其进行分析鉴定。
Based on photoemission effect. we design a laser photoemission electron gun for electron impact ionization source of time of flight mass spectrometer.
基于光电效应原理。我们设计了一个新型脉冲激光光电子枪，它可以作为飞行时间质谱的电子碰撞电离的电离源。
Volunteers chewed garlic, along with a smorgasbord of other options, and exhaled into a mass spectrometer, which detected the molecules on their breath.
志愿者们把大蒜和许多其他食物一起咀嚼，然后对着质谱仪呼气，质谱仪能够检测出呼吸中所含的分子。
A homemade miniature aerosol mass spectrometer was reported, which can rapidly monitor gas composition and aerosol size distribution in vehicle exhaust.
我们研制了一台能够在线监测气溶胶粒径分布和气体组成成分的气溶胶在线质谱仪。
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