查询词典 thermal conductivity

Its low thermal conductivity and ablative properties are other factors signicantly affecting the behavior of this material in the event of re or other high-temperature environment.

另外它的低热导性和耐蚀性则是可以影响此材料在火灾意外或高温环境中表现的显著特性。

A ratio of strength to thermal conductivity is proposed to characterize the adiabatic shearing sensitivity for steels.

摘要提出用钢的强度与热导率的比值来表征钢的绝热剪切敏感性。

Diamond, an allotrope of carbon, has many physicochemical properties unrivaled by other known materials, such as superhardness, high thermal conductivity, high spectral transmittance and perfect electrical insulation. Thus it is considered an ideal material for many special applications in mechanics, thermotics, optics, electronics and other fields.

金刚石是碳的一种同素异形体，具有许多其它材料无法比拟的物理化学性质，如超高硬度、高导热率、高光学透过率和极好电绝缘性，因而在力学、热学、光学和电子等领域有许多特殊的应用价值。

C. Silicon carbide products: with excellent thermal conductivity, high temperature thermal stability, higher softening point load and high wear resistance, professional production of various shapes of silicon carbide furnace tube (pipe, square pipes, flat tubes, horseshoe-shaped tubes), furnace, oven batteries, furnace lining, furnace floor, and tunnel muffle kiln insulation panels, Furnace Road, rail, roller sets, all kinds of experimental furnace lining and high-temperature furnace used§, push the board moved into the board

三。碳化硅制品：具有优良的导热性、高温热稳定性好、较高的荷重软化点及很高的耐磨性，专业制作各种形状的碳化硅炉管(圆管、方管、扁管、马蹄形管)、炉膛、炉芯、炉衬、炉底板，马弗炉及隧道窑隔热板，加热炉的道轨、辊套，各种实验电炉内衬以及高温窑炉用匣钵、推板移进板

And conventional thermal insulation materials (glass fiber carpets, cotton silicate), the insulation can achieve the same effect on the premise of reducing one to several times the thickness and weight, thermal conductivity with the temperature rise is much smaller than conventional insulation Material.

与常规隔热材料相比，可以在达到同样隔热效果的前提下降低一至几倍的厚度及重量，热导率随温度上升趋势远小于常规隔热材料。

The project for passenger cars with engine piston aluminum alloy, alloy components through optimal design, rare earth - Modification of phosphorus salt air and bottom melting slabs, metal-cast aluminum piston at the end of riser feeding process, heat treatment process parameters of choice , Nano-Detroit surface coating materials, such as key technology research and development with a density of small, light weight, thermal conductivity, and coefficient of thermal expansion of small, high temperature and have sufficient strength, wear and corrosion resistance , Aluminum piston size and good stability, its integrated technical indicators have reached the leading domestic level.

项目介绍（简介、技术特点、应用范围、市场前景、效益分析及对投资者要求。500字以内）本项目针对乘用车发动机用铝合金活塞，通过合金成分优化设计、稀土－磷盐复合变质处理与炉底透气砖熔炼技术、铝活塞金属型铸造底冒口补缩工艺、热处理工艺参数的选择、纳米级活塞表面涂层材料等关键技术的研究，开发出具有密度小、质量轻、热传导性好、热膨胀系数小，并具有足够的高温强度、耐磨和耐蚀性能、尺寸稳定性好的铝合金活塞，其综合技术指标达到国内领先水平。

This paper describes in-situ testing on thermal conductivity of lightweight thermal insulating wall by the guarded hot plate method .

利用防护热板法对轻质保温墙体导热系数进行了现场测试，通过数值分析和实验，并进行了对比测试，证明了该方法应用于此类墙体热工性能测试的可行性。

Secondly, the influence of thermal conductivity on thermal barrier effect was investigated adequately.

然后，本文重点分析了导热系数作为影响隔热效果最本质因素对隔热效果的影响。

With the development of aero turbine engines technology, it requires that ceramics for thermal barrier coatings have lower thermal conductivity and higher phase stability.

航空发动机技术的发展，要求热障涂层用陶瓷材料应具有更低的热导率和更高的相稳定性能。

High volume fraction SiCp reinforced aluminum matrix composites and high Si content Al-Si alloy become the ideal candidates for electronic packaging materials due to their superior properties such as high thermal conductivity, tailorable coefficient of thermal expansion as well as low density.

高体积分数的SiCp/Al复合材料和高Si含量 Al-Si 合金具有高导热、膨胀系数可调、低密度等特性，成为理想的电子封装材料。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。