查询词典 permeation

Further, as compared to the hydrophilic drugs such as theophylline, the permeation of hydrophobic drugs such benzocaine in collagen films is relatively poor.

另外，与亲水性药物如theophylline相较，疏水性药物如benzocaine在胶原蛋白薄膜中的通透性相对较低。

The national policy of Canada experienced the evolvement from assimilation and biculturalism to multiculturalism, the multicultural policy not only mollified the ethnical conflict, but also availed to resist the permeation of American culture, the tolerance it manifests becomes the substance of national identity of Canada.

加拿大的民族政策经历了从民族同化到二元文化再到多元文化政策的演变，多元文化政策不仅缓和了国内的民族矛盾，更有利于抵御美国文化的渗透，它所体现的包容性成为加拿大民族认同的实质。

OBJECTIVE:To study the effects of different penetration enhancer on the transdermal permeation of Complex Scutellaria Baicalensis cataplasm .

目的：研究不同促渗剂对复方黄芩巴布剂透皮吸收的影响。

And citric acid has the effect of permeation.

并且发现柠檬酸具有一定的辅助渗透作用。

The results indicate that permeability and diffusivity of hydro-gen in various alloys over the experimental temperature range follow arrheniusequations and hydrogen permeation behaviour is not obviously influenced by cold-work and heat treatment of materials, but slightly influenced by the composition.

结果指出，氢在各合金中的渗透率和扩散系数在实验温度范围内均遵循Arrhenius方程，材料的冷加工和热处理状态对氢渗透行为没有明显影响，合金成分略有影响。

Permeability, diffusivity and solubility of hydrogen in austenitic stain-less steels 316L, 316LN, 21-6-9, 21-9-9, 304 and 1Cr18Ni9Ti have been measuredby gaseous permeation technique over the temperature range of 200 to 430℃. Theeffects of composition, cold-work and heat treatment on hydrogen petmeation havebeen investigated.

本工作采用超高真空-气相渗透技术，在200—430℃范围内，测定了氢在316L，316LN，21-6-9，21-9-9，304和1Cr18Ni9Ti等六种奥氏体不锈钢中的渗透率、扩散系数和溶解度常数，研究了合金成分和材料的冷加工、热处理状态对氢渗透行为的影响。

According to theory of diffusion and permeation,and theory of adsorpt ion equilibrium of commixture gas,the mechanism of increasing coalbed methane production by gas injection is studied, with which it is illustrated for enhancing energy of storing gas stratum, heightening pressure conduction coefficient of storing gas stratum and binging domino effect of competition adsorption by gas injection, consequently yield and ratio of recovery of coal bed methane are also enhanced.

依据扩散渗流和多组分吸附平衡理论，研究了注气开采煤层气的增产机制。研究表明，注气增加储层能量，提高储层压力传导系数并产生竞争吸附置换效应，从而提高煤层气开采时的单产量及回收率。

The composite membranes have strong recognition function and selective permeation. PSF is only as sustaining membrane and has little effect.

共混分子识别膜有较好的机械强度和选择透过性，聚砜只起到了支撑膜的作用，对印迹聚合物的识别能力影响很小。

The outcome of the study indicated the resistance to permeation of crumb rubber concrete is improved remarkably.

试验结果表明，实验所用的橡胶集料混凝土的抗渗性能较普通混凝土有较大的提高。

Pollutants sticking to sediment such as those of heavy metal would be accumulated in the process of sedimentation and then playthe role of biological decomposer together with soil microorganisms, and could purify the sewage through soil permeation.

黏结在沉积物上的污染物，随同沉积物沉积而积累起来，通过附着在植物的根茎表面的微生物，使有机物进行生物性分解，并通过土壤的浸透作用对污水进行直接净化。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。