查询词典 temperature conductivity

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 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 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。

In the first experiment, ground pork ham, loin, belly and shoulder were mixed and homogenized with different percentage (0, 5, 10, 15, 20, 25, 30, 35 and 40%) of exogenous RO water and 0.95% salt solution, individually. In second experiment, only ground pork ham was mixed and homogenized with different percentage (0, 5, 10, 15, 20, 25, 30, 35 and 40%) of exogenous pork backfat. The electrical conductivity of these samples was determined and all data were collected and analyzed to obtain correction coefficient and regression formula for predicting fresh meat with different percentage exogenous water or fat. In final experiment, analyzed electrical conductivity, gel strength, hardness and fat particle stain of emulsion with different amounts of exogenous fat in two salt systems (2.5% salt and 2.5% salt + 0.3% phosphate).

故本试验分成三部份，一为添加外源水试验：使用绞碎猪后腿肉、里脊肉、腹脇肉及肩胛肉再分别添加不同百分率(0~40%)之RO水及0.95%食盐水经均质后为样品；二为添加外源脂肪试验：使用绞碎后腿肉分别添加不同百分率(0~40%)猪之背部脂肪经均质后为样品，上述所有样品测量其导电度值并经分析而得其相关系数及回归方程式；三为乳化特性之测定：使用绞碎后腿肉分别添加不同百分率(0~40%)猪之背部脂肪於两种不同盐类系统(2.5%食盐与2.5%食盐+0.3%磷酸盐)中经细切乳化后为样品，分析其导电度、物性及脂肪颗粒染色与分布状态。

In traditional design for a wire-tube type condenser, the air's temperature around it is considered to be the ambient temperature. In fact, the air's temperature is affected by the distance between the refrigerator's back and the wall and is heated by the compressor and condenser, so its temperature is not equal to the ambient temperature. In this case, the traditional design method is not accurate.

传统的设计冷凝器的方法，是把丝管式冷凝器周围空气的温度当作环境温度，而实际上，由于受压缩机散热、冷凝器加热、冰箱后壁和墙壁之间的间距的影响，冷凝器周围空气的温度并不等于环境温度，因而传统的设计方法并不精确，为了保证设计的精确性，有必要对冷凝器周围空气的温度进行研究。

Many influential factors of this method were analyzed. The experimental results indicated: the mole ratio of urea, sodium hypochiorite and sodium hydroxide was controlled within the range of (1.10~1.12):1:(2.30~2.42), the temperature of low temperature reaction must be controlled under 20℃, the high temperature should intensify fast to backset current temperature while reacting and the time for raising temperature only within 5min, and the yield of hydrazine hydrate can be reach about 75.1%.

实验分析了尿素法生产水合肼的各种影响因素，实验表明，尿素、次氯酸钠与氢氧化钠的摩尔比为(1.10~1.12)：1：(2.30~2.42)，低温反应温度控制在20℃以下，高温反应阶段快速升温至回流后反应5min左右时，水合肼收率可达75.1%左右。

The proposed method has the merit that the numerical characteristics of stochastic temperature field response can be obtained by analyzing the random temperature field just in one time.3. Perturbed numerical algorithm of nonprobabilistic convex set theoretical models on the temperature fieldThe uncertain parameters of physical parameters and initial boundary conditions of heat conduction are described by the convex model. The perturbation formulas of the upper and lower bounds of temperature field response with unknown-but-bounded parameters are given via the combination of matrix perturbation theory and the convex set theory model.4. Numerical analysis for transient temperature field with interval parametersConsidering the uncertainties of the transient heat transfer, the physical parameters and initial boundary conditions are regarded as interval variables.

该方法具有只进行一次随机温度场分析便可以获得其响应的数字特征的优点。3、温度场的非概率凸集合理论模型的摄动数值解法将结构导热的物理参数、温度场的初始和边界条件等不确定性参数以凸模型加以描述，基于矩阵摄动理论和处理不确定问题的凸集合理论模型的结合，导出有界不确定参数瞬态温度场响应所在集合的上、下界摄动计算公式。4、具有区间参数的瞬态温度场数值分析考虑结构瞬态热传导问题的不确定性，将结构各物理参数和温度的初、边值条件均视为区间变量。

Some parameters such as Indoor radiation heat transfer, convective heat transfer, MRT, OT, radiation heat transfer coefficient, convective heat transfer coefficient, and PMV-PPD were calculated under a steady condition. From the result, we can conclude, when operation under the combination system and worst-case test, if floor temperature is about 21℃, supply air temperature is 21℃, air velocity is 1m/s, the equlvalent coefficient of heat transfer between floor temperature and OT is 13.6w/m2k, where 5.68w/m2k is equlvalent coefficient of radiant heat transfer, 9.48w/m2k is convective heat transfer coefficient. And when air velocity is higher, supply air temperature is lower, the radiant heat transfer between floor and others is lower. In the whole experiment, the floor temperature was keeping above the indoor air dew point, and condensation was not appeared.

通过分析计算，在复合式系统运行中，最不利室外环境下，当地面温度维持在21℃左右，送风温度21℃，送风风速1m/s，此时地板对作用温度的当量综合换热系数为13.6w/m2k，其中当量辐射换热系数为5.68w/m2k，对流换热系数为9.48w/m2k，并且送风速度越高、送风温度越低，地板与其他壁面的辐射换热量有一定程度的降低，但总供冷量增加；在整个实验中地板温度始终高于地板上层空气的露点温度，并未发现有结露现象；室内空气温度梯度能满足0.1m-1.1m的温差小于3℃的要求，并且适当提高送风温度可以进一步提高人体的热舒适性。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。