Sample gas tubes are flushed with nitrogen.
采气管得用氮气吹扫。
A gas with the same background as a typical sample gas composition should be used for this procedure.
这一路气与样品气具有同样的背景，使用同样的程序。
When sampling, the speed of sample gas is similar to the actural pipe gas by controlling the sample gas flow.
取样时通过控制采样流量，使样气流速模拟取样点管道中煤气流速达到等速取样的条件。
NOTE: The cell will need to be cleaned in very rare cases, this can happen in cases of high hydrocarbon content in the carrier gas or sample gases.
注意：检测池必须洁净方面成为一个杰出案例，这是在载气或样品气里含有高碳氢化合物容量的偶然案例。
The key point of this system lies in the development of the pretreatment apparatus of sample gas, which features the combination of sampling, dedusting and filtering.
该分析系统的重点和难点在于开发了取样和净化一体化的样气预处理装置。
However, with traditional degasification method, the sample gas or the analytic target is commingled with the air that sneaks in, so the quality of the sample gas is distorted seriously;
但传统常规脱气方式，使作为分析对象的样品气不受控地混入空气，造成样品质量严重失真；
This requires the detector to be positioned on the far side of the gas sample, which makes its use in some enclosed or remote environments very difficult.
这要求探测器被放置在气体样本的对面，这使得它在一些封闭或较远的环境里的应用变得十分困难。
Detection: Gas sensor array. Researchers have developed a device that can analyze the volatile chemicals emanating from a tissue specimen tube to determine whether the sample is cancerous.
检测方法：气体传感器阵列。研究人员研制出一种设备，它能分析管组织标本中的挥发性化学物质，以此确定样品是否具有癌变性。
The volume is fixed by measuring a specific gas (liquid) of controlled temperature and pressure using a sample measurement tube.
通过使用样品测量管测量受控温度和压力的特定气体(液体)来固定体积。
Non-methane hydrocarbons in the gas sample are analyzed simultaneously by GC with double columns and double FIDs.
介绍了用双柱双氢火焰离子化检测器同时进样气相色谱法分析气体样品中非甲烷烃。
This paper expounds the mathematical theory of Monte Carlo method, and the random variable sample method of parameters in the calculation process of gas reserves in conjunction with examples.
论述了蒙特卡洛方法的数学原理，并结合实例阐述了在天然气储量计算过程中各计算参数实际分布产生随机变量抽样方法。
An analytical method was established for wool fiber by pyrolysis gas chromatograph (GC) with base catalysis inputting sample mode.
提供了一种碱催化进样方式，利用裂解气相色谱对毛纤维进行鉴别的方法。
Moreover, the chromatography separate condition, sample clean-up, the distributes regulation of target compounds in gas and particles, and the trap efficiency of sampling instrument is also studied.
并对色谱分离条件、样品净化方式、目标化合物在气相和颗粒物上的分布规律及采样器的捕集效率进行了实验。
After a series of conditional experiments with the apparatus, the optimum experimental conditions of gas releasing, such as sample granularity, HCl concentration and reaction duration, are confirmed.
通过一系列条件试验，确定了在改进后装置下酸脱气过程中最佳的样品粒度、盐酸浓度、反应时间等条件。
The selection of chromatographic column, flow rate of carrier gas, column temperature, solvent, sample size and the column ratio of sample and solvent were experimented.
并对色谱柱、载气流速、柱温溶剂、进样量等色谱条件的选择，以及试样与溶剂的体积比的选择进行了实验。
Through the testing research about gas drainage on outsize coal sample, the relativity of coal mass deformation and drainage quantity & time is opened out.
通过大煤样的瓦斯排放试验研究，揭示了顺序加载与逆序加载下的煤体变形与瓦斯排放量以及排放时间的相关性。
The influence of the array chamber, carrier gas flux and sample temperature on the performance of the system was discussed in the identification of different brands of cigarettes.
在卷烟鉴别问题中详细研究了测试气室、载气流量、样本温度等实验条件对系统的识别性能的影响；
The gas and oil must be recombined in correct proportion to obtain a representative reservoir-fluid sample.
油气必须以适当的比例进行混合，以得到典型的油藏流体样本。
The sample analysis showed that the nature gas at this area belonged to methane biogenetic gas.
气样组分分析表明，该区天然气属甲烷型生物成因气。
Taking block coal as experimental coal sample, gas emission characteristics of block coal was tested and studied.
以大块煤为实验煤样，实验研究了大块煤瓦斯放散特性。
When separating components or detecting concentrations, the sampling valve is set to allow the gas (liquid) to be measured to flow through the sample column.
当分离组分或检测浓度时，设置采样阀以允许测量气体(液体)流过样品柱。当采样时，采样阀将待测量的气体(液体)引导到载气上的柱。
The effects of nitrogen flow as carrier gas, impurities , sample size and temperature on rate of dehydrochlorination of HPVC were investigated comprehensively.
探讨了氮气流量、低分子杂质、试样的形状、温度等因素对HPVC树脂热脱氯化氢速率的影响。
And the effects of soil condition, soil moisture content and sample depth in fault gas measurement were discussed also.
并讨论了土质、土壤、含水量、取样深度等对断层气氡测量的影响。
The article explores the method of inspecting gas content in the aluminum alloy and elaborates the inspection procedure of the sample solidifying under reduced pressure.
探讨了铝合金中含氢量的检测方法和理论基础，并着重叙述了减压凝固试样法的检测步骤。
A new sample circuit is proposed in this paper to improve the properties of gas sensor, and the properties of sample circuits are analysed theoretically and compared experimentally.
提出了一种能改善气敏元件性能的新型取样电路，并对取样电路的特性作了理论分析和实验对比。
Operation parameters were examined when the discontinuous and continuous sample introduction systems with carrier gas N2 and continuous sample introduction system with carrier gas CO2 were used.
考察了当采用N2为载气蠕动泵断续、连续进样和发生CO2为载气连续进样时，各实验参数的影响及方法的分析性能。
Fast speed and great changes are the characteristics of the initial desorption gas course from coal, so it is difficult to measure the initial desorption gas flow from coal sample.
煤样中瓦斯的初始解吸过程的特点是速度快、变化大，初始解吸的瓦斯流量难以检测。
This paper introduces the sample methods, testing point selection, testing procedures and results processing of portable gas detector applied in the confined space in the petrochemical company.
介绍了便携式气体检测报警仪用于石油化工企业中有限空间的气体检测时的采样方法、检测点选择、检测工作程序以及检测结果的处理。
This paper introduces the sample methods, testing point selection, testing procedures and results processing of portable gas detector applied in the confined space in the petrochemical company.
介绍了便携式气体检测报警仪用于石油化工企业中有限空间的气体检测时的采样方法、检测点选择、检测工作程序以及检测结果的处理。
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