查询词典 conductivity

The activity coefficientsof HCl in mannite and water mixed solvent are measured using conductivity method,and the effect of concentration and temperature on activity coeffcients of electrolyte solutions discussed.

应用电导法测定了HCl在水和甘露醇混合溶剂中的活度系数，讨论了电解质溶液活度系数与温度和浓度的关系。

It is noticed that when the thickness of each film is comparable to phonon mean free path, the effect of size on decrease of thermal conductivity is significant.

当每一层薄膜厚度和材料之声子平均自由路径相当时，尺寸效应造成热传导系数降低的现象最为显著。

The effective thermal conductivity of interfacial layer was put forward through the definition of effective mean free path.

通过"当量自由程"把描述微尺度传热的界面层热导率与描述Fourier导热的热导率用同一个式子表达，给出了用Fourier定律进行界面层热流密度计算的误差。

The results show that the effective thermal conductivity of Si/Si0.9Ge0.1 superlattice nanowire is reduced by a factor of 3 or 2 by correcting phonon mean free path.

本文研究发现利用本文修正后的声子平均自由径，超晶格奈米线的等效热传导系数降低了约三分之一到二分之一左右。

Finally this paper simulates GaAs material including the average energy, velocity, and time occupation rate in different energy valley of it. And this paper simulates GaAs diode including the average energy, velocity, and the mean free path of it, and derives the thermal conductivity from the simulation result of it.

最后，使用蒙特卡罗方法模拟了GaAs材料的平均速率、平均能量以及载流子在不同能谷中的时间占有率，GaAs二极管的平均能量、平均速率以及平均自由程并推导出了其热导率。

An optimization model was established for identifying the soil hydraulic properties. The optimization objective was the minimum mean square deviation of simulation between measured and observed values of soil water content, and the constraint conditions were the upper and lower limit values of empirical soil hydraulic conductivity and water diffusion coefficients.

该文以反映土壤含水率实测值和计算值吻合程度的均方差最小为优化目标，以土壤导水率和扩散率经验参数上下限为约束条件，建立了土壤水分运动参数识别的优化计算模型。

The thermal properties and mechanical properties were analyzed by Thermogravimetric analysis and Hardness Pencil Test and Universal Test Machine, respectively. The structure of prepared PI-MWNTs was characterized by Fourier transform infrared spectrometry. The morphology of PI-MWNTs were observed by scanning electron microscopy and transmission electron microscopy. The electrical conductivity was analyzed by Super Megohmmeter.

本研究中使用能量分散光谱仪来鉴定多壁奈米碳管纯化效果，热重损失分析仪、铅笔硬度计、万能试验机分别测定材料的热稳定性质和机械性质，傅立叶转换红外光谱仪来鉴定其化学结构，扫描式电子显微镜与穿透式电子显微镜来观察材料的剖面型态与奈米碳管和基材之间的分散性，超绝缘量测仪量测材料的电性。

It briefly probes into the meltability of chrome ore,electrical conductivity at high temperature,reductib ility as well as viscosity to provide some basis for rational proportioning ratio n of chrome ore in smelting HC FeCr.

主要探讨了铬矿的熔化性能、高温下的导电性能、还原性能以及粘度，为冶炼高碳铬铁时合理搭配铬矿提供一定的依据。

The experimental results indicate that the new ionic liquids possess lower melting point and higher electrical conductivity.

实验结果显示这两个新型的离子液体拥有低熔点和高电导性。

In the period of radish to grow leaf the fresh weight unit area was menstruate; and then in the period of radish to grow root the leaf heat injury index and death rate of plant in summer were menstruate, also the electric conductivity percentage or high temperature cause death time; Finally radish yield and effective root rate were menstruated in the harvests and accomplish to synthesize evaluation heat tolerance of radish.

由此形成在萝卜长叶期进行苗期单位面积叶鲜重测定；长根期测定叶片热害指数和越夏死株率，或进行电导百分率和高温致死时间测定；萝卜收获期测定有效根率，最后综合评价萝卜耐热性。

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。