This paper reports the development of a soil gas sampling device.
本文报道了研制的土壤气体采集装置。
The focused points on guarantee the data quality of waste gas monitoring are presented based on the aspects of gas sampling and parameter detection.
从废气采样、相关参数测定、烟尘监测以及废气监测等方面，阐述了保证监测数据质量应注意的问题。
Due to the simple operation and shut-off valves in the quick connects, the Single valve 6-port gas Sampler is an extremely safe method of gas sampling.
在快速连接，单阀6端口气体取样器由于操作简单，截止阀是一种非常安全的气体取样方法。
Problems such as the high temperature, high dust content and corrosion during the gas analysing, and their solutions are listed to show the importance of gas sampling and pre-treating.
阐述烟气分析过程高温、高粉尘及腐蚀性的困难及解决方法，从而突出采样和预处理的重要意义。
Byusing the system of sampling gas signal with gas sensor array, the signals of the diverse gasoline are obtained.
通过气体传感器阵列组成的气体信号采样系统，可获得汽油样本信号。
The process gas chromatograph consists of a sampling mechanism, a column and a detector.
过程气相色谱仪由取样机构，柱和检测器组成。
Mainly used in thermal power, chemical industry, iron and steel and other enterprises of the heater, cold oil cooler, cooler, sampling cooler, exhaust gas cooler, heat exchanger, etc.
主要用于火力发电、化工、钢铁等企业的加热器，冷油器，冷水器，取样冷却器，抽气冷却器，换热器等。
When sampling at the level of fresh gas delivery in non-rebreathing systems. The sampling line can become obstructed by condensation drops or aspiration of any fluids.
当新鲜空气水平的样品送至非循环系统。取样管可能被凝滴或误吸的任何液体堵塞。
Sampling pre-treatment system is an important factor in magneto-dynamic oxygen analyzer system for detecting the oxygen content in coke oven gas.
在监测焦炉煤气氧含量的磁力机械式氧分析仪系统中，采样预处理系统是一个重要环节。
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。
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。
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。
The basic theory about how to design a in-situ sampling system has been discussed firstly based on chemistry properties and conditions of gas hydrate formation.
分析了设计天然气水合物保真取样系统的理论基础，即天然气水合物的化学性质、天然气水合物的形成及稳定条件。
Under a definite gas state parameter and environment condition, the measurement deviation was correlated with the sampling time and the flow rate.
并得出在采样气体状态参数和环境条件一定时，除尘效率的测定误差主要取决于取样时间及流量。
The system uses C8051F monolithic as control chip, JN5121 module and gas sensor, can automatically record inspection locations, sampling time, gas concentration and so on.
系统采用C8051F单片机作为控制芯片、JN5121模块及瓦斯传感元件，自动记录巡检沿途地点编号、采样时间、瓦斯浓度等信息。
The monitoring methods of detecting waste gas pollution are introduced. The accurate analysis path of detecting dust by isokinetic sampling method is concluded based on the practical experiments.
介绍了废气污染物监测方法，根据实践经验总结了等速采样法在烟尘测试过程中的准确分析路径。
Discussed the inaccurate analysis of content of the benzene in the gas caused by inacurate sampling connection, correction factor, exhales and and alysis time and gives the improvement measures.
从采样针筒接口、校正系数、放散和分析时间等方面探讨了煤气含苯分析不准确的原因及改进措施，从而提高了煤气含苯分析的准确度。
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 circuit including the main welding circuit, shows the interface, watch dog circuit, sampling circuit, trigger, synchronous circuit and electromagnetism gas valve etc.
包括焊接主回路、采样电路、触发电路、同步电路、电磁气阀启动电路、显示界面以及看门狗等电路。
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。
These flying robots could be fitted with air sniffing or sampling technology to test air quality, search for pollution or give early warning about biological or gas attacks.
这些飞行机器人也可用于空气嗅探或取样，以检测空气质量，寻找污染，在生物或毒气袭击前发出预警。
Use radon measurement to explore oil and gas, one have to improve the sampling device and test conditions.
测氡法在应用于油气勘探时，取样装置及测试条件均须改进。
Firstly: the analysis and investigation on the composition of FCC flue gas provide sampling equipment based on knowing its component, content and the range of state parameters.
首先：通过对催化烟气组分进行了调查分析，了解其组分、含量与状态参数范围，为选择采样设备提供依据。
A capillary gas chromatographic method with directly sampling was established to determine the residual amount of formaldehyde in hydrochlorothiazide.
建立了采用直接进样毛细管气相色谱法测定氢氯噻嗪中甲醛残留量的方法。
A capillary gas chromatographic method with directly sampling is established to determine the residual amount of acetone and n-butanol in cefoperazone sodium.
建立了采用直接进样毛细管气相色谱法测定头孢哌酮钠中丙酮和正丁醇残留量的方法。
A capillary gas chromatographic method with directly sampling was established to determination the residual amount of methanol, ethanol and ethyl acetate in lansoprazole.
文章建立了采用直接进样毛细管气相色谱法测定兰索拉唑中甲醇、乙醇、乙酸乙酯残留量的方法。
The research of this part will make the reference to the second part for IC card sampling in the smart card prepayment gas meter application system hardware design.
本部分的研究也同时为第二部分基于智能卡的预付费煤气表应用系统的硬件设计中IC卡的选型提供了参考依据。
Oxide ion yield of the rare earth elements (REE) decreased with the increasing of RF power and the sampling depth, or with the decreasing of carrier gas flow rate.
稀土元素的氧化物离子产率随入射功率和采样深度增加，载气流速减小而降低。
Oxide ion yield of the rare earth elements (REE) decreased with the increasing of RF power and the sampling depth, or with the decreasing of carrier gas flow rate.
稀土元素的氧化物离子产率随入射功率和采样深度增加，载气流速减小而降低。
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