冷却材料

An ablative cooling design depends on non-metallic materials developed specifically for that application.

1烧蚀冷却的设计，取决于非非金属材料专门为该项申请。

The aspic powder,the agar-agar and the gelatin were made into gels respectively through heating up, dissoluting and cooling.

分别以肉冻粉、琼脂、明胶为材料，加热溶解、冷却凝胶成胶冻。

Thermochromic properties of vanadium dioxide thin films are applied to solar energy materials, photoeletric switch and bolometer materials for the uncooled microbolometers due to their high temperature coefficient of resistance at room temperature.

中文摘要具热致变特性之VO2薄膜因在室温附近有明显的相转变现象，同时发生光电性质的急遽的转变，且在室温之下有较高的电阻温度系数，所以在一系列氧化钒化合物中格外被受瞩目；VO2因这些性质而被广泛应用於太阳能控制材料、电学开关、光学开关及非冷却型辐射热感测器等半导体元件之中。

In this paper, the effects of factors like flotation、cooling velocity on distribution and microstructure of the material were studied under the condition of unidirectional and multidi〓tional solidification, an order of magnitude analysis was performad in order to understand the dynamics of an advancing solid/liquid interface behind a particle as well as the behavior of the particle in front of the interface, and a model of critical velocity for the pushing/engulfment transition of particles by the interface was built, the theoretic result gave a good explain to experimental one.

本文考察了在常规铸造和定向凝固条件下，浮力、冷却速度等因素对SiC颗粒分布以及材料组织的影响，分析了颗粒在凝固过程中的行为以及对界面的作用，建立了在胞状树枝晶凝固条件下枝晶对颗粒的推移/吞并临界速度模型，理论分析和实验结果基本一致。

From the results the author thought that due to the lack of high quality insulator with high heat conductivity.

经分析认为，由于缺乏高性能的导热绝缘材料，目前所制作的空心阴极的冷却效果不是很好。

The mold was designed by the Mission directions, through the analysis, in the technical requirement of vase tops. The designed included: vase tops sample selection of material and injection machine, indication of the mold cavity number, selection of The branch mould, equipment of mold cavity, pouring system, structure and style of drawing of patterns ,cooling system, structure and admittedly fix of hollow and Standard, style of exhaust.

此次课程设计通过对点滴瓶瓶塞的生产技术要求的分析，以模具设计任务书为依据设计模具，设计包括熟悉瓶塞图样，材料的选用，注塑机的选择，型腔数目的确定，分型面的选择，型腔的配置，浇注系统，脱模方式，冷却系统和脱模机构，凹模和型芯的结构和固定方式，排气方式等。

The microstructure and thermal physical properties of the surface reactional layer determine the range of strength improvement.Stress relaxation was benifical for strength,but the oxidation-induced bubbles and crack weaken the specimens.

热处理引起的应力松弛也有利于材料强度的提高，但氧化过程中产生的表面气孔及冷却过程中产生的表面微裂纹会引起材料强度的下降。

In order to acquire the heating-cooling process of laser molten pool and the mutual effect of sintering layers in multi-layer powder sintering, factors such as heat conduction, heat radiation, heat convecting and changeable thermophysical property parameters were taken into account comprehensively, the 3D transient state FEM of the temperature field of multi-layer thin-wall metal parts formed by DMLS was established based on ANSYS. The APDL (ANSYS Parametric Design Language) was used to carry out thermal resource moving and the technique of birth/death for element was used to simulate the process of material addition.

为掌握多层粉末烧结过程中激光熔池的加热冷却规律以及各烧结层之间的相互影响，综合考虑热传导、热辐射和热对流以及材料的高度非线性，基于ANSYS平台建立了多层金属薄壁件的三维温度场有限元模型，利用APDIJ语言编程实现模拟中激光热源的移动，采用&单元生死&技术描述粉末材料动态增长过程。

While modern commonly used thermoplastic rubber is different, such as EVA hotmelts, it's a solid lead-free moisture can be self-fluxing materials, the use of this material to pass the appropriate melting point of temperature, temperature, opening hours, setting time and cooling hardening time, then by a workholders correctly, can achieve a reliable bond.

而现代常用的热塑性胶就有所不同，如EVA热熔胶，它是一种固体的无水分的可熔性胶粘材料，使用这种材料要通过适当的熔点温度、使用温度、开放时间、固化时间和冷却硬化时间，再经正确的夹紧定型，才能达到粘结的可靠效果。

Inside wall steel pipe after tidy up again use to gather the ethylene as lining material to melt to revolve to model a craft to process with the heat but become, make lining material and metals steel intertexture hot to merge into an integral whole, firmly gather knot in wall inside the piping after cool off, so then can batch quantity produce plastics compound steel pipe.

内壁清理后的钢管再用聚乙烯为衬里材料用热融旋转成型工艺加工而成，使衬里材料与金属钢交织热融为一体，冷却后牢固地聚结在管道内壁，这样便可批量生产衬塑复合钢管。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。