查询词典 thermal conductivity

It is also found that the temperatures at which the CO2 density, thermal conductivity and viscosity possesses the maximum change are very closer to the pseudocritical temperature.

CO2的密度、导热系数以及粘度变化最大时的温度与准临界温度相当接近。

The most important parameters involved in the design of the hot gas wall on a regeneratively cooled chamber are the thermal conductivity of the material, the strength of the material at elevated temperatures, the material maximum operating temperature and the coolant passage dimensions.

最重要的参数，参与设计的热气体墙就一再生冷却商会是热导率材料，材料的强度在高温下，材料的最高操作温度和冷却剂通过层面。

The electrical resistivity,Seebeck coefficient and thermal conductivity of PbTe doped with Bi2Te3 were studied at room temperature.

目前人们正在研究以PbTe为材料，制造利用工业上的废气和汽车废热发电的装置[2]。

The electrical resistivity, Seebeck coefficient and thermal conductivity of PbTe doped with Bi2Te3 were studied at room temperature.

利用高温高压技术，在3GPa、1200K的条件下，对PbTe进行了Bi2Te3的掺杂，并在室温下对其进行了电阻率、赛贝克系数、热导率的测试。

The fire resistance of unprotected steel is impaired by its high thermal conductivity and by the fact that its strength decreases sizably at high temperatures.

由于未加保护的钢材的高热导率和其高温时相当大的强度衰减，它的耐火性并不理想。

The fire resistance of unprotected steel is impaired by its high thermal conductivity and by the fact that its strengh decreases sizably at high temperratures.

钢材的热传导系数高，而且在高温时其强度会大幅度下降，因而无防护曾钢筋的抗火性能较差。

All these scatterings, as a complex effect, are attributed the reduction of the lattice thermal conductivity of skutterudite compound.

对于稀土填充的skutterudite化合物，其ZT值随着晶粒尺寸的增大而升高。

Skutterudite compounds are a newly-developed family of TE materials. They exhibit excellent electrical transport properties; however, their thermal conductivity is too high to be good thermoelectric materials compared with traditional alloy TE materials.

中文摘要方钴矿化合物是近几年发展起来的一类新型热电材料，它们具有优异的电输运性能，但是相对较高的热导率降低了它们的热电转换效率，从而限制了它们在热电领域的应用。

Moreover, the thermal conductivity of La-filled compound is decreased significantly because of phonons scattering induced by the "rattling" of La atom in the voids of skutterudite structure.

由于稀土La原子在结构空隙中的&振颤&运动强烈散射了声子，使得填充稀土La的化合物热导率获得了更大程度的降低。

Relationship between Microstructure and Thermoelectric Properties in the Skutterudite Compounds Abstract Filled skutterudite compounds are a family of high performance thermoelectric materials whose ZT (figure of merit, where T is temperature and Z is a function of the Seebeck coefficient, electrical resistivity, and thermal conductivity) values as high as 1.0 at round 973 K.

方钴矿化合物中微观组织结构和热电性能的关系稀土填充的skutterudite化合物具有优良的热电性能，在室温到773K范围内，其热电优值高于1，是目前已发现的具有最高热电性能的材料之一，有望在废热发电及制冷等热-电转换场合得到实际应用。

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。