查询词典 porous

The invention relates to an intergrowth molecular sieve and a synthetic method thereof, which mainly solves the problems of singular apertures, rather weak acidity and low activity of porous materials of the prior art.

本发明涉及一种共生分子筛及其合成方法，主要在于解决现有技术合成的多孔材料孔径单一、酸性较弱、活性不高的问题。

The invention relates to a three-phase intergrowth molecular sieve and a synthetic method thereof, which mainly solves the problems of singular aperture, rather weak acidity and low activity of the porous material synthesized by the prior art.

本发明涉及一种三相共生分子筛及其合成方法，主要解决现有技术合成的多孔材料孔径单一、酸性较弱、活性不高的问题。

The effects of process condition on morphology and thermal stability of porous silica thin films were studied.

研究了工艺条件对SiO〓薄膜形貌及热稳定性的影响。

The invention relates to a Magadiite/ZSM-5 intergrowth material and a synthetic method thereof, which mainly solves the problems of singular pore-size distribution and nonadjustable pore diameters of the porous material synthesized by the prior art.

本发明涉及一种Magadiite/ZSM-5共生材料及其合成方法，主要在于解决现有技术合成的多孔材料孔径分布单一、孔直径不可调节的问题。

Finally, it should be mentioned here that the singular solution of single layer and multilayer saturated porous media axisymmetric and non-axisymmetric Biot's consolidation problems may be set up, according to present solution.

以本文提出的解答作为基础，可建立单层和多层饱和多孔介质轴对称和非轴对称问题的奇异解，为边界元法提供层状地基Biot固结问题的基本解的解析表达式。

Prior to 1980, the development of insulation materials in China is very slow, external wall insulation board one of the few insulation material factory to produce only a small amount of expanded perlite, expanded vermiculite, slag wool, ultra-fine glass wool, porous calcium silicate and other products, slag wool plant little less than million tons of production capacity, bulk cotton, calcium silicate insulation materials, only three annual output of 8000 cubic meters.

1980年以前，我国保温材料的发展十分缓慢，外墙保温一体板为数不多的保温材料厂只能生产少量的膨胀珍珠岩、膨胀蛭石、矿渣棉、超细玻璃棉、微孔硅酸钙等产品，矿棉厂很少，生产能力不足万吨，散棉、硅酸钙绝热材料也只有3家，年产8000立方米。

With the rapidly development of economics, the awareness of the importance of environmental protection are also constantly improved, the porous green-growing concrete technology which has both slope protection and green-growing function is widely used.

在我国经济飞速发展的同时，人们对环境保护重要性的熟悉也在不断的进步，这将使得兼具护坡和绿化功能的多孔植被混凝土护坡技术得到社会的广泛运用。

The influences of soakage time on cyclic voltammogram of EDLC with three porous carbons obtained are different due to the different micropore distribution.

3种不同孔径分布的微孔型多孔炭作电极的EDLC的循环伏安特性受浸渍时间影响的程度也不同。

In the second chapter, porous silicon is surface modified with four kinds of surfactants: Sodium dodecyl sulfate, Cetyl pyridinium bromide, Sodium oleate and OP.

第二章利用表面活性剂对多孔硅进行表面修饰，研究了不同表面活性剂修饰的多孔硅的荧光光谱。

In this paper,a method to determine the fractal dimension of pore-solid interface in porous solid materials by the small angle X-ray scattering is introduced.This method is also used to determine the fractal structure of fly ash-cement pastes.

简要介绍了用X 射线小角散射分析技术测定多孔固体材料中气孔固体界面分形维数的理论，并将这一理论用于测定粉煤灰水泥浆体的分形结构。

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％。