查询词典 porous

The rock is a kind of particulate porous material.

岩石是一种典型的颗粒孔隙介质。

The interface of porous cell and fuel duct is an especial penetrative surface, it has complicated law of mass and heat transfer.

多孔层和燃料输送通道的界面处，存在一个微尺度和亚微尺度共同控制的特殊渗透面，该界面上的热质传递规律也比较的复杂。

The results show that the addition of surfactant shortens induction time and improves formation rate and volumetric proportion, and the volumetric proportion of synthetic hydrate samples can amount to 136~150; the existence of porous medium delays hydrate formation exiguously; the influence of memory effect on gas hydrate formation is notable, the induction time could be shortened by 10~20 times for the experimental system containing residual pentahedral ring structure.

结果表明：表面活性剂的加入缩短了水合物生成诱导时间，提高了生成速度和含气率，合成的水合物样品含气率达到136~150；多孔介质的存在对水合物的生成有较小的延缓；记忆效应对瓦斯水合物生成影响显著，在拥有水合物分解残余五面体环等结构的实验体系中，水合物生成诱导时间缩短10~20倍。

Nanoporous TiO〓-based photocatalysts with near textural structure and narrow porous distribution were synthesized by sol-gel route combining with controlling gel peptization and suitable preparation conditions.

将Sol-Gel过程与控制凝胶的胶溶和适当的制备条件相结合，合成了表面结构相近、窄孔径分布的纳米孔道TiO〓基光催化剂。

Percolation network has multiscale heterogenities and can be used to describe porous medium at various length scale.

微观尺度上的模拟可以使我们能够在更深层次上理解驱替和弥散过程的动态机理。

According to this, the paper puts forward a kind of new permeable base material, which is called porous concrete.

对此，本文研究一种新型的多孔混凝土排水基层材料。

And then the drainage performance of porous concrete is studied, porosity and coefficient of penneability are thought to be good targets of its drainage performance, and the dependence relation of coefficient of permeability and porosity is drawn by tests with the permeameter developed by the author.

研究了多孔混凝土的排水性能，提出空隙率和渗透系数是表征其排水性能的指标，利用自行研制的渗透仪，得出渗透系数与空隙率的相关关系。

Iron and steel phosphatization is a porous phosphoric acid membrane forming on the metal surface through the chemical reaction.

钢铁磷化是在金属表面通过化学反应生成一层非金属的、不导电的、难溶的多孔磷酸膜。

Part two was degradation of organic species in the water by producing porous glass which has the photocatalysis.

第二部分是具有光催化作用的多孔质玻璃球的制备的研究。

The influence of rapid thermal process in different gases on the photoluminescence properties of porous silicon was discussed.

在1992年第一个多孔硅基的发光二极管的出现更使人们对多孔硅发光的应用前景感到乐观，也为光电子的全硅集成带来希望。

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％。