查询词典 emission spectrum

Objective: To establish a gas chromatography-mass spectrum method for rapid determination of 54 kinds of VOCs in the air in a workplace by solvent desorption.

目的：建立工作场所空气中54种挥发性有机物的GC/MS快速测定方法。

With gas chromatographic and mass spectrum analysis technology,the chemical composition of biomass tar and its distillation s were analyzed.

主要采用色谱-质谱联机成分分析法对生物质焦油及其馏分试样进行成分分析。

This dissertation is concerned with the spectroscopic study of the millimeter-wave, near infrared and visible absorption spectrum of gas phase transient species.

本论文对与星际化学和大气化学密切相关的几种瞬态分子的气相吸收光谱和结构进行了研究，包括CN自由基，N_2~+离子和CS~+离子的电子振转光谱和HCBr自由基的纯转动光谱。

Steranes and terpanes exist in saturated hydrocarbon component of oil and source rock,and they are usually identified by gas chromatogram-mass spectrum .

甾萜类化合物存在于原油和生油岩的饱和烃组分中，通常用色谱-质谱法鉴定。

The result indicates that there are obvious differences between CO2 and CH4 gas reservoirs on value of thermal etching carbonate, fluorescence spectrum and CO2 gas conte...

结果表明，花沟地区的CO2气和CH4气具有不同的地球化学指标组合异常特征，在热蚀碳酸盐、荧光光谱及CO2气含量等指标上有明显的差异。

The result indicates that there are obvious differences between CO2 and CH4 gas reservoirs on value of thermal etching carbonate, fluorescence spectrum and CO2 gas content in Huagou area.

结果表明，花沟地区的CO2气和CH4气具有不同的地球化学指标组合异常特征，在热蚀碳酸盐、荧光光谱及CO2气含量等指标上有明显的差异。

Then, the suspected sources were identified detailed by Gas Chromatograph-Mass Spectrum.

事实证明，这种方法有利于应急状态下溢油源的快速鉴别。

Infrared absorption spectrum ; gas sensor ; open-path measurement

红外光谱吸收；瓦斯传感器；开腔测量

Thermal-gravimetric analysis, gas chromatogram and mass spectrum method have been used to study the characteristics of sulphide pollutant that released from the co-pyrolysis of biomass and coal blends.

采用热重分析和色谱、质谱偶联技术，对三种秸秆类生物质与煤混合热解过程中产生的含硫气体进行了在线检测，研究生物质对煤热解析出的COS气体的影响。

Thermal-gravimetric analysis, gas chromatogram and mass spectrum method were used to study the characteristics of hydrogen sulphide that released from the co-pyrolysis of biomass and coal blends.

采用热重分析和色谱、质谱偶联技术，对3种秸秆类生物质与一种烟煤混合慢速热解中产生的H2S气体进行了在线检测，研究生物质对煤热解析出H2S气体的影响。

Analog output can display output results.

可以模拟输出显示输出效果。

It implied that RAPD technique pro vided a new alternative for checking irradiation induced effects.

对扩增产物进行数据分析，结果表明RAPD技术能够检测出辐射后唐菖蒲基因组变异情况，可用于对唐菖蒲辐射后基因变异的分析。