mass spectrograph

An Industrial Mass Spectrograph and Its Application to Chemical Fertilizer Industry

工业质谱仪及在化肥行业中的应用

Trouble Diagnoses and Maintenance of Vacuum System in Mass Spectrograph

质谱仪真空系统的故障诊断及使用维护

Research and Development of Measure and Control Vacuum System for Mass Spectrograph

质谱仪真空测量与控制系统的研究与开发

The application of mass spectrograph to the amylose structure analysis was reviewed .

就质谱技术在多糖结构测定中的应用进行论述。

Review on noble gas isotope mass spectrograph and its application in geochemistry

稀有气体同位素质谱计及其在地球化学中的应用研究

Application of a Mass Spectrograph to Dynamic Measuring of Exhaust Gas from I.C.Engines

质谱仪在内燃机排气成分动态检测中的应用

Study on Determination of Polyunsaturated Fatty Acids in Functional Food by Gas Chromatography Mass Spectrograph

气质法测功能性食品中多不饱和脂肪酸的研究

The Improve on the Vacuum System of Quattro Mass Spectrograph and Its Specifications Test

Quattro质谱仪的真空系统改造和性能测试

In the mass spectrograph the ions are focused onto a photographic plate .

在质谱仪中，离子聚焦在感光板上。

A new dynamic measuring method of exhaust gas from internal combustion engines by using a mass spectrograph is reported .

针对内燃机废气排放的动态检测，介绍了一种利用质谱仪进行检测的方法。

The product was purified and characterized by gas chromatography , mass spectrograph and infrared spectroscopy .

同时对产物用红外光谱、质谱及气相色谱分析进行了表征。

Auxiliary signal generator ( AC ) is a part of many control circuit of ion trap mass spectrograph .

辅助信号发生器（简称AC）就是离子阱质谱众多控制电路中的一部分。

This paper describes the principle , calculation method , technical index , requirements for operational environment , daily maintenance and troubleshooting methods of ZC-20213C mass spectrograph .

概述了ZC-202型13C质谱仪的工作原理、计算方法、技术指标、工作环境要求以及一些维护常识、故障排除的方法。

Study on the Contents of Mineral Elements of 14 Chinese Traditional Medicines for Lung Channel Tropism by Inductively Coupled Plasma Mass Spectrograph ( ICP-MS ) Method

肺表面活性物质和SlgA在中药黄芪、党参、桔梗归经方面的实验研究电感耦合等离子体质谱法分析14种归肺经中药无机元素

The variation of the roasted green tea aroma during tea processing was studied by gas chromatography and mass spectrograph ( GC / MS ) .

采用GC/MS分析方法研究了在制过程中炒青绿茶香气的变化规律。

The paper introduces the basic principle , constitutes and classify of Mass spectrograph , and mainly reviews the application of food analysis in injurant and toxicant .

本文对质谱技术进行了简要的介绍，并就此技术在食品中有毒有害物质的分析方面的应用进行了综述。

There are many types of mass spectrograph , such as quadrupole mass spectrograph , ion trap mass spectrograph , time-of-flight mass spectrograph , etc.

质谱仪器的种类繁多，譬如四极杆质谱、离子阱质谱、飞行时间质谱等。

But , comparing with quadrupole mass spectrograph , the control systems of ion trap mass spectrograph is more complex , the requirements on time are more stringent .

但相对于四极杆质谱来讲，离子阱质谱的控制电路更加复杂，对时序的要求也更加严格。

Thereinto ion trap mass spectrograph is a new development of the technology , which can do multi-stage MS analysis , and do useful to a qualitative analysis of complex compound .

其中离子阱质谱是刚刚发展起来的质谱技术，它能够做多级质谱分析，有助于复杂化合物的定性。

Instructions of time of flight mass spectrograph and quadrupole mass spectrograph are given , and the scheme of dynamic measuring system for gaseous emission from an engine are presented .

对上述两种质谱仪器的原理进行了介绍，提出了动态检测的系统方案。

The electronic and spraying biochip is a new biochip , it is used for analyzing pharmacologic variability by linking mass spectrograph , the micro-nozzle is key part .

生物电喷芯片是和质谱仪连用，用于药理分析的一种新型芯片，其中微喷嘴是制备的关键。

F. W. Aston , the British experimental physicist , won the Nobel Prize in chemistry in 1922 due to the invention of a mass spectrograph .

英国实验物理学家阿斯顿因发明质谱仪分离同位素而获得1922年诺贝尔化学奖。

Harvested cells in the harvest period , extracted saponins from the cells adopting alcohol references , colorimetry was applied to measure the content of their saponins , and mass spectrograph detected saponin type .

于收获期收获细胞，醇提法提取总皂甙，应用比色法测其总皂甙含量，并经质谱仪检测其皂甙类型。

The advantages and disadvantages of different detecting technologies including the method of dipping into water , direct pressure method , differential pressure method , mass spectrograph detecting method and laser detecting system are analyzed and the methods of searching leakage are introduced .

分析了浸水法、直接压力法、差压法和用质谱仪、激光系统进行密封检测的优缺点，并介绍了查找漏点的方法。

The application of industry mass spectrograph system in ethylene cracking furnace , which has advanced structure , excellent characteristics and microprocessor technique , is introduced . In project selection , the principle and system configuration of mass spectrograph is described mainly .

介绍了具有先进结构、特点鲜明和应用微处理器技术的工业质谱仪系统在乙烯裂解炉装置上的应用，主要对方案选择、质谱仪原理及系统配置等方面进行了论述。

Noble gas isotope mass spectrograph can determine most of noble gas isotope ratios and abundances according to the principle that the ions with different charge-to-mass ratios have different off-angles in the same magnetic field .

稀有气体同位素质谱计根据不同荷质比的离子在同一磁场下偏转角度不同的原理，可以测定稀有气体多种同位素的比值及含量。

The application is introduced of some modern methods , such as solid 13C nuclear magnetic resonance ( NMR ), mass spectrograph ( MS ) and Fourier transform infrared spectroscopy ( FTIR ) in the analysis of various vulcanizates .

本文主要介绍固体核磁共振法（固体13C&NMR）、质谱法（MS）和傅里叶变换红外光谱法（FTIR）的近代分析方法在橡胶硫化胶分析中的应用。

The characteristics and kinetic modeling of carbon isotope of methane in Jurassic humic gas in Kuqa depression in Tarim basin have been studied by combining pyrolysis experiment in closed gold tube system and analysis of methane isotope with GC-IRMS isotope mass spectrograph .

应用黄金管封闭体系热解实验，结合GCIRMS同位素质谱仪的甲烷碳同位素分析，研究了塔里木盆地库车坳陷侏罗系煤生成甲烷的碳同位素特征及其动力学模拟。