• 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.

    他们一个不锈钢培养皿里培育细菌然后激光蒸发它们信号分子,把这些分子导入谱分析仪中并记录他们状态。

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  • 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.

    实验里,每一定时间就要更换纤维,然后一种叫做气相色谱质谱联用仪装置提取以分析

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  • His main tool is a device called a secondary-ion mass spectrometer.

    主要工具一种叫做二次离子质谱仪的装置

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  • 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设备进行测量

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  • 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.

    研究人员聚焦离子束分子包裹体中打出并用质谱仪测量数量

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  • Volunteers chewed garlic, along with a smorgasbord of other options, and exhaled into a mass spectrometer, which detected the molecules on their breath.

    志愿者们大蒜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分子

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  • This pushes molecules off the sample surface as gaseous ions, which can be detected and identified by the mass spectrometer.

    就使得分子气化离子的形式离开样品表面从而质谱仪检测到完成鉴定。

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  • Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material.

    真空技术中可用来测量分压强,从事物质成分分析

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  • 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.

    利用在线谱分析检测了在各种催化剂甲烷程序升温表面反应(TPSR)过程不同物种行为

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  • 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.

    一个已知能量带电粒子质谱仪中于何时何地进入离开磁场如何量子力学计算是个很有意思的问题。

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  • Method The fatty oil from Carum carvi L was extracted by ligarine petrum and analyzed by capillary gas chromatograph mass spectrometer(GC-MS) method.

    方法石油醚提取脂肪甲酯化,采用毛细管相色谱-联用技术对其进行分析鉴定。

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  • A homemade miniature aerosol mass spectrometer was reported, which can rapidly monitor gas composition and aerosol size distribution in vehicle exhaust.

    我们研制了一能够在线监测气溶胶粒径分布气体组成成分的气溶胶在线质谱仪

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  • The principle and performance of a home-made miniature photoionization ion trap mass spectrometer was introduced.

    介绍了自行研制紫外光电离离子质谱仪原理性能

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  • The most important characteristic of a mass spectrometer leak detector is its sensitivity.

    谱探灵敏度仪器重要性能指标

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  • Furthermore, the background correction during the oxygen isotope ratio measurement with MAT-CH5 mass spectrometer was chosen as an example.

    而且MAT - CH_5测量同位素的本校正作为例子

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  • 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.

    谱总离子流图充分反映中药材组分特性确定各峰组分结构中药材鉴别质量控制提供了一种很好的方法

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  • The structure of objective product was confirmed by characterization with Fourier transform infrared spectrum (FTIR), nuclear magnetic resonance (1H NMR) and mass spectrometer (MS).

    并通过里叶变换红外光谱FTIR)、磁共振图(1HNMR以及谱(MS)对产物进行了表征确定目标产物结构

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  • It shows that the result obtained by the dynamic method of mass spectrometer is uniform with the datum given by many references.

    结果表明谱计动态所得结果许多基本文献提供数据一致的。

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  • 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实时测量气溶胶粒子化学成分气溶胶飞行时间质谱仪,并用仪器对两类燃烧过程产生的气溶胶粒子进行了实时测量。

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  • The chemical composition of the volatile oil from Paederia scandens was analysed by gas chromatography mass spectrometer (GC/MS) technique.

    利用相色谱-谱联用GCMS)技术对鸡屎挥发油化学成分进行分析研究。

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  • 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.

    介绍采用碳化铬硬质合金制作谱计表面分析仪器中的双曲面玻璃成形模具

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  • 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13C质谱仪自动进样器的工作原理结构性能

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  • 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、分子光谱灵敏度分辨率高于常用激光感生荧光方法

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  • One of the advantages of the mass spectrometer is that it can record spectra from small quantities of substance.

    优点之一记录少量物质的质

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  • An analyzing method is introduced for accurate measurement of deuterium abundance in the hydrogen-deuterium system by low resolution MAT253 mass spectrometer.

    介绍分辨MAT253谱计准确测量氢-体系度的分析技术。

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  • 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.

    同位素质谱仪系统稳定性衡量同位素质谱仪质量重要指标之一直接影响检测数据的准确度精确度。

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  • The methods of various openning-tube, specific opener, exhausting gases, and it is delivery to mass-spectrometer are briefly described in this paper.

    本文叙述了各种方法、专用装置以及气体的引出质谱计管的输送

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  • The analysis method USES a simplified version of a mass spectrometer, a tool that can be used to separate and identify molecules in compounds.

    这种方法运用简化质谱仪分析样本。质谱仪用于分离识别化合物中的分子

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  • Gas Chromatograph-Mass Spectrometer (GC-MS) with an auto-sampler, split/splitless inlet, programmable GC oven, and capable of selective ion monitoring.

    带自动进样器的色谱-质联用仪(GC-MS),分流/不分流进样,可编程的柱箱可以进行离子选择监测。

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  • Gas Chromatograph-Mass Spectrometer (GC-MS) with an auto-sampler, split/splitless inlet, programmable GC oven, and capable of selective ion monitoring.

    带自动进样器的色谱-质联用仪(GC-MS),分流/不分流进样,可编程的柱箱可以进行离子选择监测。

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