查询词典 thermal conductivity

Add the clauses of appearance, lixivium ion content and pipe shell eccentricity, improve the thermal conductivity and dimension allowable indexes, add the safe service aphorism, modifies the regulation of inspection and change the "the maximum service temperature" to "temperature for shrinkage under hot load".

增列了外观、浸出液离子含量及管壳偏心度条款，提高了部分板的导热系数及尺寸允差指标，增列安全使用警语，修改了验收规则，并将"最高使用温度"改为"热荷重收缩温度"。

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。

The large amount of microporosity in calcium hexaluminate insulating refractory keeps its thermal conductivity at low levels from room temperature to 1 500 ℃,which makes calcium hexaluminate insulating refractory as a unique novel insulating material.

六铝酸钙(CA6)隔热耐火材料有着大量的微米级气孔，故其热导率从室温至1500℃均保持在较低水平，这使其成为一种独特的新型隔热耐火材料。

It features numerous advantages: it is noncombustible, nontoxic, and resistant to corrosion; it has low weight by volume, low thermal conductivity, stable chemical property, low moisture rate and good hydrophobicity.

它具有不燃、无毒、耐腐蚀、容重小、导热系数低、化学稳定性强、吸湿率低、憎水性好等诸多优点，是目前公认性能优越的保温、隔热、吸音材料，具有十分广泛的用途。

And it can be applied to measure the thermal conductivity of the solution of both electrolyte and nonelectrolyte.

该仪器结构简单、使用方便、适用范围较广，可用于电解质溶液和非电解质溶液。

Used traditional measurement equipment and a new method-optimal approximation between measured and numerical calculation values, the coefficient of thermal conductivity of cornea was measured. It can be expressed by the equation of λ=0.10395+2. 75156×10〓t.

本文在不改变现有传统测定设备的前提下，采用一种新方法—通过数值计算角膜表面温度变化规律与实测值之间的最佳逼近，确定物体变物性导热系数的参数估算方法，对角膜的导热系数进行了测定，在角膜冻干的温度区间内，角膜的导热系数可近似地表示为λ=0.10395+2.75156×〓。

The grain boundary secondary phase is an imporrant microstructure component in AIN ceram-ics,having significant effect on thermal conductivity.

晶界第二相是AIN陶瓷显微结构的重要组成部分，对AIN陶瓷的热导率有重大的影响。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。