热绝缘

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  • Thermal insulation;heat isolation
热绝缘热绝缘
  1. 在分析最优保温结构的基础上,第一次提出了临界热绝缘层数N(c(?)

    Furthermore , the author , for the first time , presents the idea of Critical Insulation Layer Number ( CILN : N_ ( er )) . The number of C.

  2. 对短波的情况,应力自由热绝缘和等温板中对称和斜对称模态波传播的特征方程退化为Rayleigh表面波频率方程。

    At short wavelength limits , the secular equations for symmetric and skew symmetric modes of wave propagation in a stress free insulated and isothermal plate reduce to Rayleigh surface wave frequency equation .

  3. 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。

    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 .

  4. 根据热绝缘剂在碳化钨堆焊中的应用原理,进行了含热绝缘剂的管装铸造碳化钨焊条的TIG电弧堆焊试验。

    According to the principle of heat protecting of the tungsten carbide hardfacing technology , three type pipe welding wires contained tungsten carbide and insulator were used for tungsten-inert-gas arc welding ( TIG ) test .

  5. 在CMOS工艺完成后,辅以与CMOS工艺兼容的体硅微机械加工工艺,制备微桥形式的热绝缘结构,从而方便地实现了CMOS读出电路与探测器阵列的单片集成。

    After finished the CMOS process , to realize the monolithic integration of CMOS readout circuits with detector arrays , the thermally insulated microbridge structure could be formed by front-end etching of the substrate using TMAH solution compatible with CMOS process .

  6. 介绍了我国新研制成的首条双通道热绝缘型4M-2000A高温超导电缆制冷系统。

    The new development of the cryogenic LN 2 system for the first 4M-2000A two passages superconductor cable with hot insulates in China is described in this paper .

  7. 基于热绝缘的多孔硅技术及其在微传感器中的应用

    Thermal Isolation with Porous Silicon Technology and the Application in the Micro-sensors

  8. 在该物体热绝缘时把磁场撤去。

    The magnetizing field is then removed while the body is thermally isolated .

  9. 微结构参数对多孔硅层热绝缘性能的影响

    Thermal Insulation of Porous Silicon under the Influence of the Micro Structural Parameter

  10. 保温层的临界热绝缘直径

    Critical heat insulation diameter of the thermal barrier

  11. 临界热绝缘直径的新计算式

    New Equations for Critical Diameter of Thermal Insulation

  12. 不进行热量传递也可以改变温度,想象有一个热绝缘的盒子。

    Now , you can have a change of temperature without any heat being involved .

  13. 金刚石焊接用热绝缘剂应用研究

    Research on heat insulators for diamond welding

  14. 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。

    Dust acting as a thermal insulator and impeding airflow , thereby reducing heat sink and fan performance .

  15. 在常见的预防保护措施之中,喷淋装置、热绝缘层保护简单易行,保护效果好。

    Among usual measures of precaution and protection , spray system and thermal insulated layer are easy and effective .

  16. 本文研究了无热绝缘的地下冷库在衬砌冻坏情况下的加固维修方法。

    Method for repair and strengthening of underground cold storage without thermal insulation in case of frost damaged lining .

  17. 开展了金刚石表面金属化处理方法与工艺研究和焊接金刚石用热绝缘剂研究。

    The heating method and the technology of the diamond surface metallization ; research on heat insulator of diamond welding .

  18. 同时测定热绝缘材料α和λ的常功率平面热源法

    A plane heat source method for simultaneous measurement of the thermal diffusivity α and conductivity λ of insulating materials with constant heat rate

  19. 多孔硅由于其热绝缘特性以及技术优势,已经在微传感器领域得到广泛的应用。

    Porous silicon has been used broadly in the fields of micro-sensors because of its special thermal isolation performance and advantages in technology .

  20. 阐述了金刚石合适的焊接工艺,包括预合金化粉末胎体材料的选择与制备、金刚石表面的金属化、热绝缘剂在金刚石焊接中的应用等关键技术。

    The key technology is the choice and preparation of the best alloy powder , metallization of diamond and application of heat insulator .

  21. 仿真结果分析证明了热绝缘结构在探测器设计中是占有重要地位的,同时说明本文所做工作是有意义的。

    Analysis of the simulation result attests that the thermal isolation structure is important in the design of a bolometer detector thus endorsing the present work .

  22. 通过单颗粒金刚石的烧蚀试验和氧乙炔堆焊试样的耐磨性试验,开发出适用于超硬材料焊接用的热绝缘剂。

    Based on ablation test of single particle diamond and wear resistance test of oxygen-acetylene repairing welding samples , the heat insulator for superhard material welding is developed .

  23. 论述了选择热绝缘结构的原则,最后简单介绍了将红外光信号转化为电信号的流程,给出了等效电路。

    The principle of thermal isolation structure is discussed . The conversion process of infrared signal to electric signal is given , as well as the equivalent circuit .

  24. 从确定临界热绝缘直径、采用波纹补偿器和应用耐火材料三方面,论述了获得合理和稳定的热风管道结构的措施。

    The measures to obtain reasonable and stable structure of the hot blast pipeline are descried by determining the critical thermal insulation diameter , using corrugated compensator and adopting proper refractory .

  25. 指出了选用具有大的电阻温度系数的膜电阻材料和优良的热绝缘结构(如桥式结构)是研制器件的关键。

    It is the key for the devices to select the film for material with large temperature coefficient of resistance and the detector structure of good thermal isolation ( i.e. bridge structure ) .

  26. 可广泛应用于食品包装、缓冲包装、一次性包装、汽车部件、热绝缘、建筑及体育等领域。

    PP foam can be widely used in many fields such as food packaging , cushion packaging , disposable packaging , automotive uses , heat insulation , construction , sports and so on .

  27. 提出用空气层解决冷库工程中热绝缘材料受潮的方法,通过工程实践和热工测试分析,证实了在冷库阁楼稻壳层表面形成自防潮壁垒理论;

    With test data from engineering practice , the theory on the barrier of self moisture proof at the surface sublayer of the hull layer in an attic on a cold storage is proven .

  28. 本文在常功率平面热源法测定热绝缘材料a及λ的基础上,提出了一种用于测试液体导热系数的方法,并设计制造了测试装置。

    On the basis of the plane heat source method with constant power measuring the thermal diffusivity a and λ of insulating materials , this article put forward a new method and a measurement instrument designed and constructed by authors .

  29. 研究分析了不同孔洞排列、填充材料、混凝土材料及应用方式对混凝土砌块平均热绝缘系数的影响。

    The study presents and analyzes the factors which effect on the average thermal resistance of concrete blocks , such as the different infilling materials , the different holes places , the different materials of concrete blocks , and the applicative ways .

  30. 通过对传热速率随保温层直径增加而变化的讨论,得出结论,保温层直径必须大于保温层的临界热绝缘直径,才能降低热损失。

    This paper has discussed the changes in the rate of heat transmission as a result of thickness of the thermal barrier . The diameter of the barrier must be longer than the critical heat insulation diameter so as to reduce loss of heat .