This, in turn, causes the conductivity of the nanotubes to change-how much is a characteristic of each gas.
这样又导致了纳米管的导电性发生变化，而我们可以根据导电性变化的多少来鉴定每一种毒气。
On the base of analysis and comparison, the thermal conductivity type of gas meter was considered the most promising field fumigant concentration detector.
经过比较分析，热导气体检测仪被认为是最有应用前途的现场熏蒸剂气体浓度检测仪。
The results show that using the encapsulated delayed release breaker may improve the proppant pack fracture conductivity and increase the cumulative oil and gas production capacity.
表明胶囊延迟破胶技术可显著改善裂缝导流能力，提高油气井产量。
In order to overcome the disadvantages of traditional method of gas concentration detection, a new method is proposed which keeps thermal conductivity sensor at a constant temperature.
为了克服传统热导传感器气体检测方法的诸多缺陷，提出了一种使传感器保持在恒温状态的气体浓度检测的新方法。
The higher the degree of coal metamorphism is, the better the conductivity of coal is and the clearer the electric effect of methane gas in coal is.
煤化程度越高的煤导电性越好，且甲烷气体在煤中的电动效应越明显；
We study the spin Hall conductivity and tunneling spin current in the bilayer two-dimensional electron gas.
我们研究了双层二维电子气中的自旋霍尔电导率以及隧穿自旋流。
In this paper we introduce the researches on ion implantation. modification of surface layer composition, construction, conductivity and gas sensitive characterization of gas sensitive materials.
本文介绍离子注入技术对气敏材料表面层组分、结构、电导率及气敏特性进行改性的研究进展。
Thermal conductivity detector (TCD), also known as thermal conductivity of the pool or hot wire, is the most commonly used gas chromatography a detector.
热导检测器(TCD)又称热导池或热丝检热器，是气相色谱法最常用的一种检测器。
But in the fuel lean and fuel rich explosive gas, the electrical conductivity increases gradually from bottom to top.
贫燃料与富燃料爆炸气体中，由管道底部向上，其电导性是逐渐增大的。
The measurement chamber must been kept with low vacuum in measuring for that gas convection affecting thermal conductivity is reduced.
为了减少气体对流对传热的影响，测量必须在低气压下进行，然后通过线性外推求算结果。
Heat loss from the vacuum tube can be reduced when the vacuum gap is filled with some kind of the low thermal conductivity gas within …
在传导区内，向真空隔层填充低热导率气体可降低热损失。
High conductivity and gas tightness are the basic requirements for bipolar plate materials.
高电导和气密性是双极板材料需有的基本性能。
When the surface of porous silicon adsorbs gas molecule, the conductivity and dielectric Constance of porous silicon membrane take place to changes.
多孔硅表面吸附乙醇分子后，多孔硅膜的导电性和介电常数会发生改变，引起气敏元件的电阻和电容值变化。
Thermal conductivity detector is the first appearance of gas chromatography and the most widely used detector.
热导检测器是气象色谱法中最早出现和应用最广的检测器。
It is shown that the thermal conductivity of the catalyst is high, which is much influenced by temperature and pressure, and less influenced by composition of gas.
研究表明，该催化剂有效导热系数较大，温度、压力影响明显，组成影响较小。
Themal feature. Insulated glass can reduce the heat conductivity coefficient U, or get it down furthermore if filled with inert gas.
可有效降低传热系数U值，若充入惰性气体可进一步降低传热系数。
The substitutional solid solution formed by cobalt and bismuth molybdate will improve the conductivity and sensitivity of this gas sensor to reducing gases.
钼酸铋和氧化钴取代后的固溶胶对吸收将提高该材料对还原性气体的敏感能力。
The nitrogen in the block Si3N4 can be determined accurately by inert gas fusion thermal conductivity method combined with 5-element bath.
惰气熔融法结合五元浴能够准确测定烧结氮化硅中氮。
The nitrogen in the block Si3N4 can be determined accurately by inert gas fusion thermal conductivity method combined with 5-element bath.
惰气熔融法结合五元浴能够准确测定烧结氮化硅中氮。
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