查询词典 gas detector

Hamamatsu R2868 is a UV TRON ultraviolet detector that makes use of the photoelectric effect of metal and the gas multiplication effect.

Hamamatsu R2868 是利用紫外线 TRON 通过金属的光电效果和瓦斯乘法效果来发现火星源。

A method for determination of vanillin content in milk powder by gas chromatography with flame ionization detector has been established.

建立了氢火焰离子化检测器-气相色谱法检测奶粉中香兰素含量的方法。

The methods of determination of crotonaldehyde in various samples of the PVA producing line by gas chromatography and flame ionization detector are discussed in this paper.

探讨了采用气相色谱法，氢火焰离子化检测器测定聚乙烯醇生产过程各种有机物料中的丁烯醛含量的方法以及操作条件、内标校正因子的求法。

A method is introduced for quantitative determination of cinmethylin by gas chromatography on 5 % ov - 101 packed column and flame - ionigation detector using dipropyl phthalate as internal standard The method was simple, rapid, accurate and practical.

采用气相色谱法， 5％ OV— 101填充柱和氢火焰离子化检测器，以邻苯二甲酸二丙酯为内标，对环庚草醚进行定量测定。

Qualitative and quantitative analyses was carried out by gas chromatograph-flame photometric detector. This article focus on optimizing the absorbent, elute and material for secondary cleaning up.

通过对基质固相分散吸附剂、洗脱剂、净化材料与方式的优化，建立了油菜籽中5种常用有机磷农药残留分析的前处理方法。

The content of naphthalin in circulating wash oil was determined by capillary column gas chromatography with DB-1 capillary column and FID detector.

采用DB-1毛细管柱和FID检测器，以毛细管柱气相色谱法测定循环洗油中的萘含量。

Basic drugs, lidocaine, benghexolum, chlorpromazine, diazepam, clozapine, internal standard of SKF525A(all of 5μg), estazdam and alprazolam (all of 10μg), are extracted from superfatted necrogenic tissues with mixture reagents of ethyl acetate and diethyl ether under basic condition, and determined by gas chromatography with nitrogenphosphorus detector.

在高度腐败及脂肪较多的脏器中加入碱性药物利多卡因、安坦、氯丙嗪、安定、氯氮平及内标物SKF_525A各5.0μg，舒乐安定、佳静安定各10.0μg，在碱性条件下用乙酸乙酯与乙醚混合液提取，经GC/NPD分析。

For a futher research on the natural gas and minimizing the detector,we measured the spectrum lines which may affect the detection of CH4 near 1.65μm and 1.68 μm accurately by using the TDLAS theory.Then we set up an sinal acquiring and processing system based on LABVIEW,which can aquire and filter the digital signal and an interfix arithmetic is also used to get the final result.

本论文以近红外二极管激光吸收光谱技术为基础，在1.65μm和1.68μm附近对乙烷的谱线进行了准确测量，分析了乙烷谱线对甲烷测量的影响，编写了基于LabVIEW的数据采集及处理分析系统，利用该系统实现了对探测信号的采集、滤波以及对波形的相关运算并得出最终结果。

OCPs residue of samples was determined by gas chromatography with electron capture detector after pretreated by Soxhlet extraction.

采用索氏提取方法(Soxhlet Extraction， SE)和气相色谱法，分析底质中有机氯农药的残留量。

Methods For the mild solubility of chloroform and tetrachloromethane in drinking water, chloroform and tetrachloromethane were analysed by static headspace gas chromatography with DB-5, Rtx-1 and DB-1 capillary columns and electron capture detector, external standard method was used for quantification.

利用氯仿和四氯化碳在水中的弱溶解性，采用静止顶空气相色谱法进行分析，使用DB-5、Rtx-1和DB-1毛细管柱和电子捕获监测器测定，外标法定量。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷