查询词典 conductivity

Inert electrode used in electrolytic production needs not only strong corrosion resistance in cryolite molten salt, but also a good conductivity and so on.

作为铝电解用的惰性电极材料不仅需要有强的抗冰晶石熔盐的耐腐蚀性，同时还要有良好的导电性等。

Measurements of sources at cryogenic temperatures pose special problems since the connections between the sample in the cryostat and the voltmeter are often made of metals with lower thermal conductivity than copper, such as iron, which introduces dissimilar metals into the circuit.

测量低温环境下的源时可能会出现一些特殊的问题，因为连接低温条件下的被测样品和电压表时常常要使用一些导热系数比铜低的金属，例如铁等。这样就会在电路中引入不同种类的金属材料。

It is found that the crystallite size and the conductivity of PFA pyrolyzed at 600℃ decrease with increasing heat-treatment time.

研究发现，600℃热解的PFA的晶粒尺寸和电导率随热解时间的延长而减小；在700℃以上热解PFA时，热解碳的晶粒尺寸和电导率随热解温度的升高而增大。

It indicates that the PANI particles constituted films are ball like or ellipsoid like; the film takes on tertiary structure; HClO4 servers as both an acid medium and a dopant; the crystallizability of the film seems poor; the relationship between film thickness and acid concentration is not in linearity; the conductivity of the film is on a level with semiconductor, whose value depend more on film appearance than acidity of acid medium; the film starts dedoping at 67.3℃ and end at 277.2℃.

结果表明，构成薄膜的聚苯胺粒子呈球型或椭球型；薄膜具有三级结构特征；高氯酸不仅作为介质酸，同时作为掺杂剂；薄膜的结晶性能不佳；薄膜厚度与介质酸的浓度并非线性关系；薄膜的电导率处于半导体水平；电导率大小与无机介质酸的酸性强弱有一定关系，与表面形貌关系更为紧密；高氯酸掺杂聚苯胺薄膜在67.3℃时开始脱掺杂，在277.2℃脱除完全。

In this paper the chemical composition and properties of new crystallizer material with high strength and high conductivity are introduced.

高强度高导电率CrZrCu合金是新近发展起来的1类重要铜合金，在国民经济各部门得到了广泛应用。

Besides the K-B model, a simplified model to calculate thermal conductivity was advanced which has advantage in reducing operation and cumulative error.

计算热导率可采用K-B模型或者简化模型，后者具有降低运算量，减小误差积累的优点。

The results show that the ingather of tungsten in the composites using internal feedstock injection is higher than that of the composites using external feedstock injection. For the composites using IFI method, the influence of input power on the copper oxidation is not evident, while more and more cuprite (Cu2O) is detected with the increasing of input power for the composites using EFI method. The thermal conductivity of WCu composite is lower than the theoretical value by ROM.

结果表明，在内部送粉条件下，复合材料中钨的收得率要高于外部送粉条件下复合材料中钨的收得率；在内部送粉条件下，功率对铜氧化的影响并不明显；而在外部送粉条件下，随着功率的提高，铜的氧化明显增多；由于氧化物和孔隙等的存在，利用大气等离子喷涂工艺制备的复合材料的导热率远远低于根据混合法则计算的理论值。

The effect of the suppressor on the determination of cations was studied and the relationship between response conductivity of cations and suppressor current intensity was discussed.

探讨了离子抑制反应对阳离子测定的影响以及阳离子响应电导和抑制电流强度的关系。

The results show that the decalescence of catalyst bed affects the process of hydrogen peroxide catalytic decomposition greatly. If the catalyst bed is preheated or made up of materials with low thermal conductivity, that influence can be depressed. At the same time, the response characteristic of catalyst bed and the efficiency of catalytic decomposition can be improved. The low frequency pressure instability of catalyst bed occurs because of the coupling of catalytic decomposition and supplying. The decomposition plane pushes all the way through the catalyst bed during pressure oscillations, causing unreacted liquid hydrogen peroxide to be exhausted from the bed and leading to the appearance of liquid hydrogen peroxide channeling. Consequently, how to prevent or at least limit this channeling is the key to eliminate the pressure instability of catalyst bed. It was found that adding clapboard to the catalyst bed can depress the pressure instability efficiently.

结果表明催化剂床及催化剂的吸热对过氧化氢分解过程影响很大，对催化剂床进行预热或采用热导率低的材料制造催化剂床等措施，可以降低催化剂床壁面吸热对催化分解过程的影响，提高催化剂床的响应特性和催化分解效率；催化剂床的低频不稳定是催化分解过程与供应系统耦合产生的，催化剂床气体界面的波动过程中，液体过氧化氢穿透催化剂床形成过氧化氢液体通道，过氧化氢液体通道的产生和扩大是催化剂床不稳定的主要原因，也是消除催化剂床不稳定的关键，试验中在催化剂床内加入分流板成功地抑制了催化剂床的低频不稳定。

The theory model and main technological parameters for semiconductor of ceramic material is studied, the semiconductor technology of oxygen defect through weak reduction is proposed, the BaTiO〓 semiconductor sample is prepared by means of doping and oxygen defect, the relation between the conductivity and color is inspected, a simple way to detect the semiconducting character of the sample is proposed.

探讨了陶瓷材料半导化理论模型及主要工艺参数，提出了弱还原氧缺陷半导化工艺模型，并分别用电价掺杂半导化和弱还原氧缺陷半导化两种工艺制备了BaTiO〓半导化样品，考察了样品颜色与电导的关系，提出了一种简易判断粉体样品半导化的方法。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。