查询词典 heat barrier

Constitutes and characters of each system above are as follow: vacuum system is composed of oil diffusion pump, fore-vacuum pump, vacuum pipeline, vacuum valve, and electromagnetic valve etc. Thereare some advantages of high pumping speeds and pollution-resistant. Heating system is composed of heat insulation barrier all made of metal and pure metal heating element, characterized as applicable for vacuum environment, high heating velocity, high heating temperature.

上述各系统的组成与特点如下：真空系统由油扩散泵、前级泵、真空管路、真空闸阀、电磁阀等组成，其特点抽速快，有一定的抗污染能力；加热系统由全金属隔热屏和纯金属加热元件组成，适用于真空环境，具有加热速度快，温度高等特点。

Hainer Roofing system is an integrated roofing system composed of flexible PVC waterproofing membrane, heat insulation board, vapor barrier layer as well as attached fittings.

海纳尔屋顶系统是以高分子改性 PVC 或进口 EVALON 柔性防水卷材、保温板、隔汽层及附属配件组成的一套集防水保温为一体的屋顶系统。

Modified nano SiO2/PA6 composite plastics were prepared by melt compounding method. The effects of dosage and grain diameter of nano SiO2 on the mechanics performances,heat resistance and barrier ability of nano SiO2/ PA6 composite plastics were studied.

采用熔融共混法制备改性纳米SiO2/PA6复合塑料，研究了纳米SiO2用量及其粒径对SiO2/PA6复合PA6力学性能、耐热性能和阻隔性能的影响。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。