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The bond length, electron density at bond critical points and Wiberg bond index were analyzed and correlated with conduction properties.

采用密度泛函方法在6-31g水平下研究了聚吡咯和聚吡咯并[3，4-c]吡咯，以及它们的单体和低聚物的电子结构。

Based on the quality, momentum, and energy conservation laws and the state equation, considering the momentum loss of gas column flowing and the complicated thermal conduction mechanism in the bore-hole and formation, the pressure and temperature calculating method is derived for single-phase gas flow in different positions of the bore-hole.

文章以质量、动量和能量三大守恒方程和状态方程为基础，考虑了流动气柱的动能损失以及井筒和地层中复杂的传热机理，推导出计算单相气流在井筒不同部位压力和温度的方法。

The metal supporting elastic card plates optical absorption film which conductes the heat to the bottom of the heat conduction working fluid ring cavity.

金属支撑弹卡镀有光吸收膜，将热量传导于导热工质环腔管的底部。

Due to the restriction of computational complication and precision,WRM boundary collocation method can only be used to simulate temperature fields of single-particle model,as for the case of some more complicated particle geometry shape it is very hard to obtain sufficient approximation solutions.Thus,BEM is adopted to analyze the thermal conduction problem of composites with particle of arbitrary geometry.

由于受计算复杂程度和计算精度的限制，采用加权残值法只能分析单夹杂问题，且对于更复杂的夹杂形状很难得到良好的近似解，因此接下来采用边界元方法分析了具有任意形状夹杂复合材料的温度场问题。

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。

He spent the next three years there working with Professors Van Vleck and Bridgman on problems in cohesion and electrical conduction in metals and also did some work on the level density of nuclei.

他又在那里和范弗勒克教授和布里奇曼教授工作了3年，研究金属的内聚性和电子传导，也做了一些原子核的水平密度研究。

Coupled with the three-dimensional transient heat conduction equation, a heat treatment furnace is simulated. The temperature of the gas in the enclosures and the steels vary with the time of calefaction.

将辐射传热模型与三维非稳态导热模型相耦合，对一个热处理炉简化模型内传热问题进行了计算，分析了炉内气体温度分布与钢锭温度随加热时间的变化情况，炉内气体温度和钢锭温度分布合理，计算结果可信。

A novel high-temperature flow calorimetric system of conduction type was designed, with a built in chromatograph suitable for on-line analysis.

建立并完善了一套高温流动型热导式量热装置，实现了量热与色谱在线分析的有机结合。

Taking a carborundum brick of which the thermal conduction coefficient was given as specimen, the measuring error of it is less than 8%.

通过测量已知导热系数的碳化硅砖的导热系数，得其误差小于8%；通过对同一试样的两个小试样进行平行测量，得其相对偏差小于3%。

In this paper,we provide a handy method of solving certain Cauchy problem of the heat conduction equation.

计算较简捷，解的形式统一，结构简单，其方法适用于满足一定条件的有限维热传导方程的柯西问题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。