导热性

铝酸盐由于具有优良的导热性、机械强度以及良好的化学性质，易于掺入不同的稀土离子而获得不同颜色的光，因而被广泛地用作激光和发光的基质材料。

Aluminate has been used widely as host material of laser and luminescent material because it it has a good temperature conductivity , mechanical strength and chemical character which can dope different rare elements easily .

聚氨酯橡胶是一种难切削加工非金属材料，材料软、弹性大且导热性较差，因此很难加工到要求的形状精度、尺寸精度及表面粗糙度。

Polyurethane ( PU ) rubber is difficult to be fabricated into the required precision in form , dimension and surface roughness for it is soft , high in elasticity and bad in thermal conductance .

反应粘结因导热性和热应力等方面的优势，使其成为AlN基板厚膜浆料粘结的重要方式。

Reaction-bonding method will be an important method of bonding in thick film paste for AlN substrate .

原生QI含量高的沥青可导致硬的各向同性的粘结剂沥青焦，该沥青焦热膨胀大，电阻高，导热性差。

A pitch with high content of primary QI leads to a hard , isotropic binder pitch coke with high thermal expension , high electrical resistance and low thermal conductivity .

通过与蓝宝石衬底上GaN蓝光LED的结温比较，发现Si衬底GaN蓝光LED有更低的结温，原因归结为Si有更好的导热性。

Compared to the GaN LED on sapphire , it is found that the junction temperature is lower for a LED on Si substrate , which is contributed to the good thermal conductivity of Si substrate .

但是，同时具有不耐磨、低强度、导热性差和易蠕变等缺点，这就限制了PTFE在实际中的应用。

However , PTFE has poor wear resistance , low strength , poor thermal conductivity and ease to creep and other shortcomings , so limit the application of PTFE in practice .

测定了Sialon陶瓷的电绝缘性、抗热震性、抗溶渣腐蚀性、电场强度、导热性和热膨胀系数等项性能。

Measurements on insulation resistivity , thermal shock resistance , slag corrosion resistance , electrical field intensity , thermal conductivity and thermal expansion coefficient etc for sialon blocks were conducted .

首先，由于金属具有良好的导热性，可以有效地解决LED器件中的散热问题；其次，由于金属的导电性可以直接将其用作器件的电极来使用。最后，廉价的金属衬底可以节省器件成本。

First of all , metal has a good thermal conductivity which can effectively solve the problem of heat dissipation in the LED devices ; secondly , conductive metal can be directly used as a device electrode ; finally , cheap metal substrate can save the cost .

压电薄膜／自支撑金刚石膜结构的SAW器件既利用了压电薄膜良好的压电特性和金刚石最高声速的优异性能，又充分利用了二者高导热性和优良耐热性的优点。

The structure of piezoelectric film / freestanding thick diamond films can only use the piezoelectric film with excellent piezoelectric properties and freestanding thick diamond films with excellent properties of maximum speed of sound , but also make full use of both high thermal conductivity and excellent heat resistance advantage .

但是，CFRP的导热性差、各向异性及层合结构等特点导致其在成形齿槽铣削的过程中容易出现铣削力过大、刀具磨损严重和加工质量难以保证等缺点，严重影响其推广应用。

But the low thermal conductivity , anisotropy and laminated structural lead to the high cutting force , tool wear seriously and bad machined surface quality when form milling the CFRP . This makes CFRP cannot be spread in the world .

4形成的Al2O3化合物应该有不亚于AlN的导热性，或者该化合物在晶界的含量要足够低。

And ④ thermal conductivity of these Al 2O 3 compounds should not be lower than that of AlN ceramics , or , the amount of these Al 2O 3 compounds in the AlN grain boundaries should be adequately less .

六角氮化硼（h-BN）与石墨碳类似，具有良好的润滑性、导热性及热稳定性，并且是一种非常好的电绝缘材料。

H-BN is similar with graphite carbon , , it has good thermal stability , thermal conductivity , good lubricity . So it could be an ideal electrical insulating material .

由于水合物成核过程是强放热过程，作为水合物添加剂M-ZIF的导热性将直接影响水合物的生成。

Since hydrate nucleation process is strongly exothermic process , the thermal conductivity of M-ZIF will directly affect hydrate formation .

结果表明，含Zr合金硬度、软化温度虽略低，但导电、导热性却明显高于另一合金，而且制成的电极使用寿命也较长。

The results show that compared with Cu-Co-Be-Ti alloy . Cu-Ni-Be-Zr alloy is of obviously higher heat and electric conductivity even if it 's hardness and softening temperature are slightly lower , and life of the electrode made of Cu-Ni-Be-Zr alloy is longer .

氯化聚氯乙烯（CPVC）是一种重要的工程塑料，它具有耐高温、耐化学腐蚀、导热性差、电绝缘性好的优点，得到广泛的应用。

Chlorinated polyvinyl chloride ( CPVC ) is a significant engineer thermoplastic . For its excellent high temperature performance , resistance chemical corrupt , low heat conduction , and insulating property , CPVC is been used widely .

分析了制冷工质HFC-134a的粘性、导热性和表面张力的热物理性质参数方程不同计算方法，经对比选出了较为精确的一组参数方程。

The different calculation methods for the thermophysical properties parameter equations about viscosity , thermal conductivity and surface tension for HFC-134a are compared and the optimized parameter equations for HFC-134a are selected in the paper .

板条激光器，尤其是半导体激光列阵部分端面泵浦混合腔板条激光器（InnoSlab），由于导热性好，容易得到大功率高光束质量的激光输出。

Slab laser , especially diode-laser partially-end-pumped slab laser ( InnoSlab ), is one of the most efficient ways to generate powerful laser output with excellent beam quality because of predominant thermal conduction .

ZrB2陶瓷因具有高熔点、高硬度、高化学稳定性、良好的导电导热性以及优异的抗氧化和抗热震性能，被广泛应用于复合材料、耐火材料、电极材料和涂层材料等诸多领域。

Zirconium diboride has been widely used in many applications , because of its high melting point , good chemical stability , high hardness , good electrical and thermal conductivity as well as its excellent oxidation and thermal shock resistance .

Ti3SiC2是一种综合性能优异的三元层状化合物，结合了金属和陶瓷的许多优良性质，具有良好的导热性、易加工性、耐腐蚀性、抗氧化性和自润滑性。

Is a remarkable ternary layered compound with excellent comprehensive performances , which combines many best properties of both metal and ceramic , such as high thermal conductivity , good resistance to corrosion and oxidation , easy machinability and nice self-lubricating .

兼有金属和陶瓷性能的Ti3SiC2是一种三元层状碳化物材料，既有象陶瓷那样的高温性能，又有类似金属的导热性和导电性，应用前景十分广阔。

With the properties of both metal and ceramics , Ti_3SiC_2 is a kind of layered ternary carbide . Not only it can bear the high temperature like ceramics , but can be heat-guided and conductive like metal as well . As the result , it has a bright perspective .

气体导热性演示仪的原理与设计

The principle and design of demonstration instrument of gaseous heat conductivity

聚吡咯复合材料的结晶行为和导热性研究

The Crystal Behaviour and The Thermal Conductivity of Composites of Polypyrrole

铝合金的电阻很低，而导热性很高。

Aluminum alloy has low specific electrical resistance and high thermal conductivity .

几种纳米管导热性的分子动力学模拟

Molecular Dynamics Simulation on the Thermal Property of Several Nanotubes

其次，散热片的导热性要好。

Secondly , the thermal conductivity of heatsink better .

蛋白质纤维的导热性及其方向性差异

Thermal Conduction Properties and Directional Difference of Protein Fiber

我们需要使用一种导热性好的导体。

We need to use a good heat conductor .

单向纤维复合材料导热性预测

Prediction of thermal conductivity of unidirectional fiber reinforced composites

天然无定形石墨砂具有良好的导热性和蓄热性。

The natural nonctystalline graphite sand has good thermal conductivity and thermal reservasion .

令人惊讶的是，金刚石是电的绝缘体，但表现出高的导热性。

Surprisingly , diamond is an electrical insulator , yet exhibits high thermal conductivity .