查询词典 porous

The first crucial step was the appearance of " true " body tissue - previously animals had only simple , saclike bodies , such as the porous sponges .

第一个重要事件就是动物进化出了真正意义上的身体组织，在此之前，动物的&身体&只是简单的囊状物，就像大海中常见的海绵。

Secondly, I study the expermets about the heat-moisture migration, analyze moisture transfer and correlation theory of the temperature field in the frozen soil , analysis comparally the temperatue field ,the moisture field, dynamical sources , and the water transport rate and so on of the moisture and temperature transfer both in the soft rock materical and in the frozen soil, gained the consistency and the difference in the heat-moisture migration about the soft rock materical and the frozen soil under the same condtion, the heat-moisture migration of the soft rock materical is accord with the correlation theory of the capillary porous colloid's heat and mass transfer, the theory caused moisture transfer of frozen soil is applied samely in the soft rock materical.

其次，研究冻土相关的水热迁移实验，分析了冻土水分迁移及温度场相关的规律；通过与冻土水热迁移对比分析软岩类材料的水热迁移的温度场、水分场、动力源和水分迁移速度等，得出了软岩类材料与冻土在同一条件下的水热规律的一致性和差异性，软岩类材料水热迁移也符合毛细孔隙胶体介质之热-质迁移的相关理论，引起冻土水分迁移的吸附-薄膜理论依然适用软岩类材料。

Finally, the article discussed the possible mechanism of multi-phase electrochemical degradation of wastewater through the XPS spectrum of the used catalysts surface: In the acid solutions, the electro-generated O_2 may get electrons on the porous graphite cathode and then form H_2O_2, H_2O_2 may diffused to the surface of catalyst and reacted with its active part to produce OH, which in turn can destruct organics. The catalyst functioned as both the catalyst to decompose H_2O_2 and the flocculants to sedimentate the degraded waste.

最后全文结合研究反应后催化剂表面的XPS光电子能谱推断了该体系降解污废水可能的反应机理：在酸性条件下，石墨双阳极产生的O_2被多孔扩散性石墨阴极还原成H_2O_2，并通过扩散传质作用在催化剂的表面活性中心分解为强氧化性中间产物·OH，强氧化性攻击有机物，使其降解为小分子有机物或CO_2和H_2O，催化剂在体系中即起催化作用也起吸附、絮凝作用。

From overburden layer s,semipervious layers above depression-cone level drainage consolidation,porous media(geo-formation) compression and water compression,the ground settlement mechanism is analysed during foundation pit dewatering.

从降落漏斗水位以上覆盖层、弱透水层的排水固结过程到多孔介质的压缩、水的压缩三方面分析了深井降水引起地面沉降的机理，得出降水引起地面沉降的压缩层厚度主要为降落漏斗水位以上降深范围内的覆盖层和弱透水层厚度的结论。

Sericultural for actin fibers, fine silk and the tenacity of porous, high thermal performance, are cotton, 1.2 times the hygroscopicity of cotton are 1.5 times the elastic flexibilityìcompressed cotton are 3 times 2 times the wool to prevent cold bones moisture penetration, and exchange of steam.

蚕丝为动蛋白纤维，丝细多孔而坚韧、保暖性能极高，是棉花的1.2倍，吸湿性是棉花的1.5倍，压缩伸拉弹性弹性是棉花的3倍，羊毛的2倍，可防止寒湿气透入筋骨，并交换蒸汽。

A porous, perforated, or sievelike vessel that holds material to be leached.

过滤器一种可渗水的、带孔的筛状器皿，用以盛装将被过滤的物质

The ionic conductivity of polymer electrolytes equaled 3.56×10-4 S·cm-1 when the mass fraction of silicotungstate lithium was 8.5% in polymer film. The lithium ions transference number, which was measured by the method of combination of AC impedance with DC polarization, decreased with increase of the mass fraction of Li4SiW12O40 in the porous polymer film.

为了提高聚合物电解质的Li+离子迁移数，人们设法增大阴离子的体积[6~8]使其难以迁移而达到提高Li+离子迁移数的目的，很少应用含有多个Li+离子的锂盐做聚合物电解质的Li+离子载体。

The porous poly (vinylidenefluoride-co-hexafluoropropylene) membranes, which doped with various amounts of silicotungstate lithium(Li4SiW12O40),were prepared by liquid-liquid extraction in this paper. The polymer films possessed the ionic conductivity of 10-4 S·cm-1 after absorbing propylene carbonate.

在众多的聚合物材料中，P共聚物具有憎水功能，特别适于做聚合物锂离子蓄电池的聚合物电解质基体，已成功地应用于商业化的聚合物锂离子蓄电池(PLionTM，美国Bellcore公司)。

Marble is porous material, because this is easy smeary , the expert answers to use water less when the proposal is clean.

大理石是多孔性材料，因此轻易染污，专家建议清洁时应少用水。

It was found that the quenching diameter of porous media is a multi-parametric complicated function, related to the mixture flow speed, the premixed gaseous laminar flame velocity, the pipe flow Reynolds numbers, the coefficient of temperature conductivity, the equivalence ratio and the soUd temperature.

为缓解能源结构不合理造成的环境污染问题，我国加快了天然气的使用力度，发展高效、低污染排放的天然气燃烧技术具有非常重要的现实意义。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。