查询词典 conductivity

Weak electrolyte ; molar conductivity ; limit molar conductivity ; the Law of the Independence Migration of Ions

弱电解质；摩尔电导率；无限稀释摩尔电导率；离子独立运动定律

The conductivity and the molar conductivity of the ionic liquid in actone, water, DMF, acetic acid were investigated at different temperatures.

利用磷酸三丁酯与N-甲基咪唑在恒温150℃下一步合成了离子液体1-丁基－3-甲基咪唑磷酸二丁酯，考察了其在丙酮，水，DMF，乙酸溶剂中的电导率及摩尔电导率。

The limit conductivity of strong electrolyte solution was determined with classical electric chemical experiment method according to Kohlrausch's Law of Independence Migration of Ions,and indirectly the limit molar conductivity of weak electrolyte solution was calculated.

依据Kohlrausch离子独立运动定律的基本原理，采用经典的电化学实验方法，测定强电解质溶液的无限稀释摩尔电导率，间接求出弱电解质溶液的无限稀释摩尔电导率。

The ion transfer number is introduced in the formula describing the relationship between ionic limiting molar conductivity and ionic concentration based on mode coupling theory. A series of calculated for the ionic limiting molar conductivity are present.

在模式耦合理论推导的低浓度时离子摩尔电导率与离子浓度的关系式中，引入离子迁移数，提出了求离子极限摩尔电导率的新方法。

The changes of the conductivity, molar conductivity, activity coefficient and relative partial molar free energy of LiCl with concentration and temperature of the solution were discussed.

应用电导率仪在288~308K温度范围内测定了LiCl在纯有机溶剂中的电导率；利用公式计算了LiCl的摩尔电导率；按Kohlrausch经验公式，使用Origin软件进行线性拟合，作图外推求得LiCl在异丙醇中的无限稀释摩尔电导率λ0值；并讨论了LiCl在异丙醉中的电导率、摩尔电导率、活度系数和相对偏摩尔自由能随溶液浓度和温度的变化关系及其温度对LiCl溶液无限稀释摩尔电导率的影响。

The conductivity of three rare-earth nitrates: Ce(NO3)3, La(NO3)3 and Y(NO3)3 ,was measured in non-aqueous solvent such as: C2H5 OH、CH3 COCH3、DMF at different temperatures. The use of formula has calculated the molar conductivity of Ce(NO3)3, La(NO3)3 and Y(NO3)3 at 25℃.

研究了不同温度下3种稀土硝酸盐：Ce(NO3)3、La(NO3)3、Y(NO3)3，在非水溶剂中（无水乙醇、丙酮、DMF）的电导性质，并利用公式求得25℃时Ce(NO3)3、La(NO3)3、Y(NO3)3的摩尔电导率。

For the DE theory, the itinerant electron is mobile in the metallic FM domains and polarons can only transport in the PM domains. In the IM transition region, the conductivity is the sum of the polaronic and itinerant electronic conductivity. Under this model, the DE theory yields agreement with the experimental resistivity excellently.

在DE理论中，金属性铁磁畴中的巡游电子是可传导的，而极化子只能在绝缘性顺磁畴输运，在IM相变温区，体系的电导率是极化子和巡游电子的电导率之和，通过应用我们的模型，发现DE理论可以得到与电阻率的实验数据非常一致的拟合结果。

The results show that the composite is dense and silicon particles are distributed uniformly. Transmission electron microscope observations show that stacking faults with high density, twins and dislocations are found in silicon particles. The Si-Al interfaces are well-bonded and no interface reactants are found. The dislocations and eutectic silicon precipitates are observed in LD11 matrix. Sip/LD11 composite has low density of 2.4 g/cm3, low coefficient of thermal expansion of 8.1×10-6/K, high thermal conductivity of 161.3 W/, and the annealing treatment can reduce the CTE and improve the thermal conductivity.

研究结果表明：复合材料组织致密，颗粒分布均匀；透射电镜观察发现，在Si颗粒内部存在高密度的层错，同时还存在孪晶和位错； Si-Al界面结合状况良好，无界面反应物； LD11铝合金中存在位错和析出的共晶Si；复合材料具有低密度(2.4 g/cm3)，低热膨胀系数(8.1×10-6/K)，高热导率161.3 W/(m·K的特性，可以通过退火处理进一步降低其热膨胀系数，提高热导率。

The conductivity of the treated carbon black gradually increases by sequence of heat treatment、 KOH treatment、 vapor treatment、 CO_2 treatment at high temperature. The conductivity of the carbon black treated by CO_2 is one time more than that of the untreated.

高温改性炭黑的导电性依热处理和KOH处理、高温水蒸气处理、高温CO_2处理而逐步增大，其中CO_2处理的炭黑比未处理炭黑的导电能力高出一倍以上。

The dilute solution of this macromolecular lithum salt in organic solvent was found to have low viscosity and high conductivity, so it was suitable for porous polymer electrolytes. The porous polymer electrolytes using this salt have high conductivity and cation transference number near unity.

这种大分子锂盐的稀溶液的粘度低且电导率高，应用于P基微孔型聚合物电解质可以获得较高的离子电导率和接近1的锂离子迁移数。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。