Some of these cladding or roofing units are expensive, especially the sandwich units which contain a middle layer of highly efficient thermal insulator, such as expanded polystyrene or glass fibre. 这种构件中间有一层高效能的隔热层,如膨胀聚苯乙烯或玻璃纤维。
Dust acting as a thermal insulator and impeding airflow, thereby reducing heat sink and fan performance. 除尘作为热绝缘层,阻碍气流,从而减少了散热片和风扇的性能。
The lubricant is useful in preventing sticking of the workpiece to the die, and also acts as a thermal insulator to help reduce die wear. 滑润剂对防止工件粘住锻模很有用,还可以作为绝热体帮助减少锻模磨损。
Thermal nitridation metal insulator semiconductor 热氮化式金属绝缘体半导体结构
By means of equalizing the histogram, the contrast of original thermal image is enhanced; then image region of the disc surface of insulator is intercepted manually; 利用直方图均衡化增强原始热像图对比度,人工截取绝缘子盘面图像区域;
High-voltage electric field combined with high temperature may lead to thermal breakdown and ageing of insulator for ESP. 电除尘器绝缘子一般都是在一定温度的高压电场中工作,在电场和温度场的复合作用下,绝缘子的热击穿和绝缘老化是造成其绝缘失效的主要形式。
At the same time, this paper presents the numerical analysis by means of the finite difference method. A computer program on the thermal insulation performance of the metallic reflective insulator has been worked out. 同时介绍了用有限差分法进行数值计算的方法,编制了金属反射式保温块隔热性能的计算机程序。
The investigation into the thermal cycles at different zones of a weld on HSLA steel with hardened tendency with aluminium silicate as thermal insulator are carried out completely. 对采用硅酸铝保温的淬硬倾向大的低合金高强度钢的焊接区域不同部位的焊接热循环进行了研究。
Although the index of heat inertia decreases, the thermal insulation capability of exterior insulator wall in no air-conditioning room in summer precedes that of the traditional wall. 尽管外保温复合墙体的热惰性指标有所降低,但其夏季隔热性能却有所提高;
The Al_2O_3 all-ceramic was successfully sintered using the system in combination with a suitable thermal insulator. This heating system has high heating efficiency and simple structure, so can be operated conveniently. 与设计的助热保温结构相结合,可成功地对Al2O3全瓷进行烧结,由此建立的加热系统加热效率高,结构简单,操作方便。
Based on the code, the code system for streaming calculation was constituted and was used for calculating neutron streaming through the thermal insulator annular gap of actual reactor pressure vessel. 以它为主体,建立了辐射泄漏计算程序系统,并运用该系统进行了反应堆压力容器绝热层缝中子泄漏计算研究。
It is concluded that the reduction of equivalent buried insulator thickness based on high dielectric constant is beneficial to conduction of heat, and high thermal conductivity of buried insulator materials improves the capacity of conduction of heat, effectively bring down self-heating effect. 最后得到,高介电常数等效埋层厚度的减小利于热泄散,高热导率的埋层材料提高了导热能力,在双重因素作用下有效抑制了自加热效应。
Application of the Coal Dust on the Particle Thermal Insulator for Molten Steel 粉煤灰在钢水颗粒保温剂中的应用研究
A high-efficiency thermal insulator, Vacuum Insulating Panel ( VIP), is introduced with the mechanisms and functions of its components analysed. 介绍了一种高效率的绝热技术&真空绝热板(VIP),分析了各个组件的作用机理。
Infrared Thermal Image Detecting of High Voltage Insulator Contamination Grades Based on Support Vector Machine 基于支持向量机的高压绝缘子污秽等级红外热像检测
How to overcome thermal breakdown and ageing of insulator for electrostatic precipitator 如何克服电除尘器绝缘子的热击穿和绝缘老化
In the light of the characteristics, coefficient of thermal conductivity, density and melting point of the coal dust, this paper surveys the principle of producing the partical thermal insulator for molten steel using coal dust and its service effect in the ladle. 从粉煤灰性质、导热系数及密度、熔点等方面,分析探讨了利用粉煤灰加工钢水颗粒保温剂的原理,以及保温剂在宝钢的实际使用效果。
Thermal Insulation Problem of an Insulator of a Honeycomb Electric Duster and the Improving Measures 蜂窝式电除尘器绝缘子箱保温问题及改进措施
A Transient Method for the Measurement of Heat Properties λ,α and c of Thermal Insulator 一种绝热材料热物性参数λ、α和c的瞬态测算法
The Effect of Thermal Insulator Structure of Copper Vapor Laser on the Length of the Lasing Region 铜蒸气激光器的绝热结构对有效增益区的影响
The membrane of SiO_2, which has lower thermal conductivity compared with SiN_x, is fabricated as heat and electric insulator, and single crystal Si is apt to form reverse-cup structure through anisotropy etching. 利用SiO2相对于sinx有更低的热导率,作为膜式微气体传感器的热绝缘和电绝缘层,而单晶Si适合通过各向异性腐蚀形成倒杯状结构来支撑SiO2膜。
Infrared thermal imaging experiment results of polluted and wetted insulators indicate that the proposed model is reasonable and can give theoretical support to insulator pollution level detection by infrared thermal imaging. 2. 湿污绝缘子的红外热成像试验结果表明,该模型合理,为绝缘子污秽等级红外热像检测提供理论支持。
We also studied the influence of the thermal oxidation process, the work function difference between the metal electrode and the contact area between the metal layers and the insulator layer to the electrical properties of the MIM diodes. 在此基础上,我们研究了热处理工艺、金属电极功函数差、金属与绝缘层接触面积对MIM二极管电学性能的影响。
Experiment results indicate that the thermal field of insulator surface significantly changes with the angle of view, and the features of lower surface have better classification performance to the uppers. 实验结果表明成像角度变化显著的改变所得绝缘子表面热场,下盘面特征比上盘面特征有更好的分类性能。
A single insulator is regarded as analytical object in actual pollution detection. According to the characteristics of the gray histogram of the intercepted infrared thermal image of the single insulator, two image segmentation threshold extracting methods are presented. 实际污秽检测以单片绝缘子作为分析对象,根据截取单片绝缘子红外热像灰度直方图的特点,提出了直方图包络线分割阈值提取方法和对数变换域最大类间方差法分割阈值提取方法。
The simulation results reveal the thermal distribution on the insulator surface and the impact of the dry band or the dry band arc on leakage current and heating. 计算机仿真结果揭示了不同运行状态绝缘子的表面发热分布规律、出现干燥带及干燥带电弧对泄漏电流和发热的影响。
Rare earth sulfur compounds for high melting point, low thermal conductivity and by the ability to shift between doping in the metal conductor and an insulator, and high Seebeck coefficient and electrical conductivity, Can improve the conductive performance of sulfur electrode in lithium sulfur batteries. 稀土硫属化合物具有通过自掺杂在金属导体与绝缘体间转变的能力,以及较高的电导率,可以提高锂硫电池中硫电极的导电性能。