The latest progress of trace gas concentration detection technology is reviewed.
综述了近些年来国内外痕量气体浓度检测技术研究的最新进展。
Photoacoustic technology is widely used in fields of trace gas detection due to its high sensitivity.
光声技术由于其高灵敏度的特性目前被广泛应用于痕量气体检测领域。
Mass spectrometers for trace gas leak detection and methods for operating mass spectrometers are provided.
提供了用于示踪气体检漏的质谱仪以及用于操作质谱仪的方法。
Carbon dioxide is inexplicably a mere trace gas when it should be the bulk of the air, as it is on other planets.
令人费解的是，二氧化碳理应像在其他行星那样成为大气的主要成分，却仅仅是一种示踪气体。
N2O, as a trace gas in the atmosphere, could cause greenhouse effect and damage the ozone lay in stratosphere.
氧化亚氮(N_2O)是大气中一种痕量气体，它具有产生温室效应和破坏平流层臭氧的双重作用。
The new method overcomes the limitations of established methods of IDMS in the quantitative analysis of trace gas.
该方法解决了已有同位素稀释质谱法在微量气体定量分析中的难题。
QScan technology enables many applications including cleaning verification, reaction monitoring, and trace gas detection.
QS can技术可以应用许多方面，包括清洁验证、反应监测和气体检测等。
It's a high selectivity, high sensitivity, high stability way that use photo acoustic method to detect trace gas concentrations.
光声法检测痕迹气体浓度，是一种具有高选择性，高灵敏度，高稳定性的气体检测方法。
The contrastable optical ring-down cavity micro-gas cell is designed for the trace gases concentration measurement used ring-down cavity method.
在采用光腔衰荡技术实现痕量气体浓度测量时，设计了用于痕量气体浓度测量的比较式光腔衰荡气室。
Nitrous oxide (N2O) is a trace gas in the atmosphere, which contributes both to the greenhouse effect and to the destruction of stratospheric ozone.
氧化亚氮(N2O)是大气中的一种痕量气体，也是一种重要的温室效应气体，还可使臭氧层遭到破坏。
The method for synthesis of corrected three-wavelengths spectrometers for trace gas components of atmosphere on the basis of development of mathematical model has been suggested.
从数学模型出发，对用于测量大气中痕量气体成分的三波长光谱仪进行了分析。
But at present, we both have our own beatific family, all of the story became the cloud and gas passed without any trace.
但现在，我们俩都有了各自美满的家庭，所有的故事都如过眼烟云了无踪迹。
A gas chromatographic method is introduced for the analysis of trace organic components in beer, including sampling, pretreatment and column.
介绍了一种啤酒痕量有机组分的气相色谱分析方法，包括取样、样品处理及色谱柱的选择。
The article gave a minute description of operational method and skill in measuring trace free TDI in polyurethane prepolymer by gas chromatography.
详细叙述了用气相色谱法测定聚氨酯预聚体中微量游离tdi的操作方法和技巧。
NF3 is a colorless gas. Trace quantities of impurities can impart a musty or pungent odor to the gas.
NF 3是无色气体。痕量的杂质会使气体带有一种霉味或刺激性气味。
Carbon dioxide is a species of weak acidic gas, it is a erodent in oil and gas industries, its content in natural gas may vary from trace to more than 50%.
二氧化碳是一种弱酸性气体，它在石油及气体工业中是一种腐蚀剂，它在天然气中的含量少则痕迹，至50%以上。
A method for analysis of trace organophosphorus pesticides in water with plant enzyme membrane extraction-gas chromatography has been developed.
建立了植物酶膜萃取气相色谱分析水体中痕量有机磷农药的方法。
Experimental results show that adding trace metal salt experiments, the two kinds of reactors have increased methane gas production and gas production growth rate has greatly improved.
实验结果表明，添加微量金属盐进行实验后，两种反应器的沼气产气量都有所增加，并且产气量增长率也都有很大提高。
Two-phase flow in the cyclone separator is a process of the solid particle separation from the gas phase, while the particle movement trace is decided by the turbulence to a large extent.
旋风分离器内部进行的是两相流运动，是气相和固体颗粒相的分离过程，而固体颗粒的运动在很大程度上取决于分离器内湍流的运动。
Many methods have been developed for determining trace iodine. including spectrophotometry. polarography and gas chromatography etc.
本文引述文献中所采用的测定微量碘的方法包括分光光度法、极谱法和气相色谱法等。
Can be seen that by adding these trace metal elements, can greatly increase the amount of bad handling of liquid, while prolific gas, thereby enhancing the rate of methane production.
可见，通过添加这些微量金属元素，可以大幅度的提高糟液的处理量，同时可多产沼气，从而提高沼气产率。
This study concentrates on simultaneous removal of trace selenium and trace arsenic in the process of medium temperature dry flue gas desulfurization (MTD-FGD).
本文对中温干法烟气脱硫过程联合脱除有毒痕量元素硒、砷的问题进行了研究。
The results indicated that the trace elements molybdenum and zirconium increased considerably the gas yields of the lignitic organic matter while selenium did not.
分析结果表明，除硒元素外，随着钼元素和锆元素的加入，褐煤有机质气态产物的生成量显著提高。
Maintain temperature can, appropriate is used first lower saturated temperature, gas occurrence boiler hot backup only intermittent trace drum wind, hot backup into normal send spirit. 2.
维持温度即可，宜先使用较低的饱和温度，煤气发生炉热备时只需间歇微量鼓风，热备转入正常送气。
A glass tube containing catalyst 401 which is used as a color indicator for trace amount of oxygen was connected with the sample tube to monitor the purity of carrier gas during operation.
为了检测载气的纯度，在样品管进口直接连接装有变色的401型脱氧催化剂的检测管。
Carbon dioxide is a species of weak acidic gas, it is a erodent in oil and gas industries, its content in natural gas may vary from trace to more than 0%.
二氧化碳是一种弱酸性气体，它在石油及气体工业中是一种腐蚀剂，它在天然气中的含量少则痕迹，至0%以上。
Test Method for Trace Metals in Gas Turbine Fuels by Atomic Absorption and Flame Emission Spectroscopy 05.
用原子吸收和喷焰光谱法测定燃气涡轮机燃料中痕量金属的试验方法05。
Trace mercury in petroleum and natural gas will have a great negative impact on the processes.
石油和天然气中存在的微量汞，会对其加工过程造成严重影响。
Trace mercury in petroleum and natural gas will have a great negative impact on the processes.
石油和天然气中存在的微量汞，会对其加工过程造成严重影响。
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