查询词典 foam

The form mechanisms of foam and displacement of the autogenetic foam system in the porous media have been researched through the microcosmic model experiment.

通过微观模型实验，研究了自生泡沫体系在多孔介质中的泡沫形成机理以及驱油机理。

The heat transfer performance of open celled aluminum foam heat sinks under axial fan impinging cooling flow is experimentally studied. Three open-celled aluminum foam samples with different pore sizes and identical porosity (ε=0.92) were tested.

针对电子元器件的冷却问题，实验研究了孔隙率为0.92、孔密度不同的3种通孔泡沫铝热沉在轴流风扇冲击射流下的换热特性。

The foam properties of four kinds of cleavable s-triazine fatty sulfonate surfactants with different length of alkyl chains were studied by improved Ross-Miles method. The effects of mass concentration, temperature and calcium ion concentration on their foam properties were discussed.

采用改进的Ross-Miles法研究了4种不同烷基链长的可断键均三嚓脂肪磺酸盐表面活性剂(OSEAT、DSEAT、TSEAT、HSEAT)的泡沫性能，考察了质量浓度、温度、Ca(上标 2+)浓度对它们泡沫性能的影响。

It was found that increasing pressure for blank can improve the compactedness of blanks so as to make foam aluminium materials with homogeneous pores. Foaming temperature, as one of the main influencing factors on foaming process, should be controlled higher than the melting point of Al or Alalloy to a certain extant in order to keep a reasonable viscosity. Thus, the foam aluminum with homogeneous pores and high porosity is available. As shown by experiments, such materials should be made on conditions that they shall be protected with molten salt under 300?MPa pressure at 675～680?℃.

研究了粉末冶金法制备泡沫铝材料的方法讨论了发泡过程中的保护方式、制坯压力、发泡温度等参数对泡沫铝体积质量、孔隙率、孔结构的影响，并对发泡机理进行了探讨增大制坯压力使得金属坯致密，可以得到孔结构均匀的泡沫铝材料；发泡温度是影响发泡的主要因素之一，发泡温度控制在高于铝或铝合金熔点，同时保持熔体具有一定粘度的范围内，能够得到孔结构均匀、高孔隙率的泡沫铝材料实验结果表明：采用熔盐保护方式，在300MPa的压力下，温度在675～680℃时，可得到孔径均匀、孔隙率高的泡沫铝材料。

Mitigation methods such as vacuum insulated tubing to limit heat transfer, nitrogen foam spacers to give highly compressible trapped fluids, crushable urethane foam insulation, etc. are somewhat successful, but are either very expensive, logistically troublesome or have unacceptable failure rates.

采用真空绝热油管降低热传导、利用氮气泡沫隔离液形成高压缩圈闭流体、可压碎尿烷泡沫绝热等减轻方法在一定程度上可以取得成功，但是要么费用非常高、作业麻烦，要么失败率很高。

Relation and Application of Density and Compression Strengh of Effervescible Polystyrence Foam Material;2. On the basis of discussing principle of foam material cell shape,this research studied two methods to measure cell diameter and its distribution,which are picture process and fractal dimension.

探讨了泡沫材料泡孔结构形成原理及泡沫材料孔径与分布测量途径，并实际运用图像处理和分维二种创新的测量方法对泡孔进行测量分析，其二结果相当一致，从而证实了图像法与分维法的可行性，同时说明了分维的科学性。

We tested the effect of electrooptical countermeasures of foam in laboratory, the result shows that foam has good camouflage effect.

在实验室条件下测试泡沫光电对抗效果，结果证明，泡沫对可见光、激光和红外有良好的遮蔽效果。

High elastic etherate is applied to foam on the spot in normal temperature and normal pressure,so as to form the foam whose inner surface is the same as that of the jade craftwork and whose foaming ratio is high.The profile is cutted by laser and its surface is electrostaticly woolimplanted.

采用高回弹组合醚在常温常压下现场发泡，成型出与玉器工艺品外形吻合、发泡倍率较高的泡沫体，用激光刀剖切并对剖切面及成型轮廓面进行静电植绒，做出了外形美观、减震效果优异的高档内包装。

The mechanical characteristics of the foam filled 3-D spacer fabric composites under flatwise compressive , shear and three point s flexural loads were compared with 3-D spacer fabric composites and foamsandwich composites , and the effect s of pile height and foam density on the mechanical properties were investigated.

将三维间隔连体织物泡沫夹层结构平压、剪切和三点弯曲载荷作用下的力学特性与三维间隔连体织物复合材料、传统泡沫夹层结构复合材料进行了对比分析，在此基础上，考察了芯柱高度、泡沫密度对复合材料平压、剪切、三点弯曲性能的影响。

The result s indicate that there are synergy effect s between pile and foam under flatwise compressive st rength and fabric piles f ractured under flatwise compression. The flatwise compressive and shear st rength decrease with increasing of the pile height . The flatwise compressive st rength increases as exponent with increasing of the foam density.

结果表明，三维间隔连体织物泡沫夹层结构复合材料承受平压载荷时，芯柱和泡沫存在协同效应；平压载荷作用下主要发生芯柱断裂破坏；随着芯柱高度增加，平压、剪切强度均减小；随着泡沫密度增加，平压强度近似呈指数增长。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。