Two mathematical models of the dynamic measurement for thermal conductivity of materials are described by taking into account the effect of thermal expansion during the experiment.
本文介绍了用于材料导热系数瞬态测量的两种数学模型。它们考虑到在实验过程中材料膨胀的影响。
The advantage of vacuum deposition is that it's possible to make very high-quality films, which result in materials with higher conductivity.
真空沉积法的优势在于它可以制出高品质的薄膜，从而成为高导电性的材料。
Wires of different materials, although of the same diameter and length, differ in their conductivity.
不同材料的电线，尽管直径、长度相同，其电导率是不一样的。
Only based on good conductivity we can adjust integral structure of composites more and scheme out structural complex materials that are provided with higher shielding effectiveness.
只有以良好的导电性为基础才可能进一步对复合材料的整体结构进行调整，设计出具有更高屏蔽效能的结构复合材料。
Meanwhile, the difference in thermal conductivity of underlining materials (plastic sheet, steel sheet and aluminium plate) has little effect on the etching rate.
研究还发现，不同垫层（塑料片、钢片和铝板）导热性能对刻蚀速率影响很小。
The main test of plastic, glass, fiber, thermal conductivity of foam materials.
主要测试塑料，玻璃，纤维，泡沫等材料的导热系数。
Comparing with traditional construction materials, the ceramic grain concrete possesses the advantages of smaller thermal conductivity coefficient, less weighty and better structural performance.
与传统的建筑材料相比，陶粒混凝土具有导热系数小、重量轻、结构性能好等优点。
Roofing heat preservation material should be chosen, disrupting the apparent density is small, coefficient of thermal conductivity (small) materials.
屋面保温材料应选用孔隙多、表观密度小、导热系数(小)的材料。
Carbon materials, including graphite, carbon fibre, carbon foam and expanded graphite possess the properties of high conductivity, low density and good chemical stability.
碳材料如石墨、碳纤维、碳泡沫和膨胀石墨，他们都具有高导热系数、低密度和良好的化学稳定性。
The usage of nonmetallic materials with low heat conductivity is beneficial to a better performance provided that only the axial heat conduction losses are considered.
仅从降低轴向导热损失的角度讲，使用低导热率的非金属材料制作制冷机部件对制冷性能有较大的积极作用。
To raise ozone output of ozonator, it demands that ceramic plate materials for ozonator have good dielectric properties and quite high thermal conductivity.
为了提高臭氧发生器的臭氧产量，要求臭氧发生器用的陶瓷基板材料具有较高的介电性能和热导率。
The conductivity of cathode materials for molten carbonate fuel cell (MCFC), such as lithium nickel oxide, lithium cobalt oxide and lithium ferrite oxide, was studied by AC impedance measurement.
通过交流阻抗方法研究了熔融碳酸盐燃料电池阴极材料锂镍氧化物、锂钴氧化物和锂铁氧化物的导电性能。
This paper introduces a new method for measuring the thermal conductivity of microgranular, powder materials with a probe.
介绍一种用探针技术测定微粒、粉末材料热导率的新方法。
A transient method with rectangular pulse heating has been developed to measure the specific heat and thermal conductivity of solid structural materials at low temperatures.
提出了一种采用方波热脉冲测量低温下固体结构材料的比热和热导率的非稳态方法。
Synthetic diamond is competitive in heat dispersing materials, because it has high thermal conductivity, low coefficient of thermal expansion and lower price.
人造金刚石由于其自身高的热导率、低的热膨胀系数和相对低的价格已成为制造新型散热材料的研究热点。
Completely ionic composition is a significant feature of ionic liquids that surely possess excellent conductivity, and is being considered as potential "green" electrochemical materials.
前言：离子液体独特的全离子结构无疑会导致良好的导电性，成为有潜力的绿色电化学材料。
The problem of verification for the conductivity meter of light fuel oil are resolved by using high resistance and the certified reference materials.
采用高阻结合标准物质的方法解决了轻质油料电导率仪无法检定的问题。
The measurement results of complex dielectric constants of low loss and thin flake materials, conductivity and nonequilibrium charge carrier lifetime of semiconductor are introduced.
介绍了测量片状小损耗介质介电常数、半导体电导率及非平衡载流子寿命等参数的结果。
Copper alloys for lead frame are becoming leading factor in the lead frame materials for IC, because of its high strength and high conductivity.
铜合金引线框架材料因其高强高导电性能而成为集成电路框架材料的主体。
Copper and its alloy, because of their excellent electrical and thermal conductivity and other properties, are important materials in industries.
铜和铜合金具有优异的导电、导热及其它性能，是重要的工业材料之一。
With the increase of copper oxide content in silver matrix, the density and the electric conductivity of AgCuO materials tended to decrease.
两种方法制备的银氧化铜材料随着氧化铜含量的升高，材料的致密度、导电性均呈下降趋势。
The electrical conductivity properties of the materials showed that the introduction of graphite nanosheets and rare earth ions was effective to improve the conductivity of nanocomposites.
发现复合材料中引入纳米石墨薄片和稀土金属纳米粒子，提高了材料的导电性，并使复合材料拥有更低的渗滤阀值。
The electrical conductivity of the aluminum foam was connected with the parent materials'.
而且泡沫铝的电导率随着基体材料电导率的增强而增强。
Copper plating technology is widely applied to the field of electronic materials manufacturing for the good electrical conductibility, heat conductivity and ductility of copper deposit.
电镀铜层具有良好的导电、导热、延展性等优点，因此，电镀铜技术被广泛应用于电子材料制造领域。
Conjugated Schiff bases have a potential possibility in producing microwave absorbing materials because of its adjustable electrical conductivity.
共轭聚席夫碱因导电且电导率可调而具有制备吸波材料的潜在可能性。
The coefficient of thermal conductivity is very low, the insulation effect is very good, much higher than the general building materials.
导热的系数非常低，保温效能非常的好，远远高于一般的建筑材料。
A new simple analytic model available for the thermal conductivity measurement system of hot-wire and semitransparent solid materials is established.
建立了适用于热线半透明固体材料导热系数测试系统的简化解析模型。
Thermal conductivity is one of the most important parameters of thermophysical properties of materials.
导热系数是材料热物理性质的重要参数之一。
Thermal conductivity is one of the most important parameters of thermophysical properties of materials.
导热系数是材料热物理性质的重要参数之一。
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