They grow their bacteria on a stainless steel plate, and use a laser to vaporise their signalling molecules, feeding these into a mass spectrometer to catalogue the molecules present.
他们在一个不锈钢培养皿里培育细菌，然后用激光蒸发它们的信号分子，把这些分子导入到质谱分析仪中并记录他们的状态。
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。
To measure this, archaeologists use a device called an accelerator mass-spectrometer.
考古学家使用一种被称为加速器质谱仪的设备进行测量。
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。
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。
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。
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。
The behavior of different species during the temperature programmed surface reaction (TPSR) of methane over various catalysts is traced by an on line mass spectrometer.
利用在线质谱分析检测了在各种催化剂上甲烷的程序升温表面反应(TPSR)过程中不同物种的行为。
When and where a charged particle with given energy will enter or leave the magnetic field in a mass spectrometer, and how we use quantum mechanics to calculate them are interesting problems.
一个已知能量的带电粒子在质谱仪中于何时何地进入和离开磁场，如何用量子力学来计算是个很有意思的问题。
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。
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。
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。
Furthermore, the background correction during the oxygen isotope ratio measurement with MAT-CH5 mass spectrometer was chosen as an example.
而且以MAT - CH_5质谱计测量氧同位素比时的本底校正作为例子。
The character and structure of components in herbal material were distinguished by TIC of mass spectrometer. The method provides for identification and QC to herbal material.
质谱总离子流图充分反映中药材组分特性，并确定各峰组分的结构，为中药材鉴别及质量控制提供了一种很好的方法。
The structure of objective product was confirmed by characterization with Fourier transform infrared spectrum (FTIR), nuclear magnetic resonance (1H NMR) and mass spectrometer (MS).
并通过傅里叶变换红外光谱（FTIR）、核磁共振谱图（1HNMR）以及质谱（MS）对产物进行了表征，确定了目标产物的结构。
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。
An aerosol time-of-flight mass spectrometer that can be used for real-time measurement of chemical compositions of individual aerosol particles had been designed and manufactured in our laboratory.
自行设计了国内第一台可实时测量气溶胶单粒子化学成分的气溶胶飞行时间质谱仪，并用该仪器对两类燃烧过程产生的气溶胶粒子进行了实时测量。
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。
The present paper has described the die made by chromium car - bide for forming mass spectrometer needle and double curved surface glass tube in surface analyzing instrument.
介绍了采用碳化铬硬质合金制作质谱计和表面分析仪器中的双曲面玻璃管的成形模具。
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。
The experimental result shows, the resolution and sensitivity of REMPI and TOF mass spectrometer technique is higher that of laser induced fluorescence method (LIF).
实验表明，共振增强多光子电离加飞行时间技术研究原子、分子光谱其灵敏度与分辨率远高于常用的激光感生荧光方法。
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。
An analyzing method is introduced for accurate measurement of deuterium abundance in the hydrogen-deuterium system by low resolution MAT253 mass spectrometer.
介绍了用低分辨MAT253质谱计准确测量氢-氘体系中氘丰度的分析技术。
System stability (Ss) is one of the most important specifications of the Isotope mass spectrometer (IMS). It influences the quality of the data detected by the IMS directly.
同位素质谱仪的系统稳定性是衡量同位素质谱仪质量的重要指标之一，它直接影响检测数据的准确度与精确度。
The methods of various openning-tube, specific opener, exhausting gases, and it is delivery to mass-spectrometer are briefly described in this paper.
本文叙述了各种开管方法、专用装置以及气体的引出和向质谱计管的输送。
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。
Gas Chromatograph-Mass Spectrometer (GC-MS) with an auto-sampler, split/splitless inlet, programmable GC oven, and capable of selective ion monitoring.
带自动进样器的气相色谱-质谱联用仪（GC-MS），分流/不分流进样，可编程的柱箱和可以进行离子选择监测。
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。
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。
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。
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