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。
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。
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。
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。
The atomizing rate changed slightly with the sample volume decreasing, and increased with atomizing power and the flow rate of carrier gas.
在一定加液量范围内，加液量的变化对雾化速率影响不大，雾化速率随载气流量和雾化功率的增大而增大；
The effects of analytical spectral line, back ground correcting point, high frequence power, carrier gas pressure, flow rate of liquid sample and auxiliary gas on analytical results were investigated.
研究了分析谱线、背景校正点、高频功率、载气压力、试样提升量和辅助气体流量对分析结果的影响。
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。
In this paper, the effecting parameters on the extraction efficiency such as gas flow rate, extraction time, extracting solvent type, temperature of sample and extracting solvent were investigated.
在本论文中，系统地研究了影响萃取率的参数，主要参数包括：惰性气体流速、萃取时间、萃取溶剂类型、样品加热温度和萃取溶剂温度等等。
The sample flow was stopped and nitrogen was passed as carrier gas through the column.
停止样品流动，氮气作为载气通过该柱。
The gas pump and the water pump enable the flow of the standard sea water measurement water sample over the section instrument sensor.
气泵和水泵使标准海水测量水样循环流过剖面仪传感器。
The gas pump and the water pump enable the flow of the standard sea water measurement water sample over the section instrument sensor.
气泵和水泵使标准海水测量水样循环流过剖面仪传感器。
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