查询词典 permeation
- 与 permeation 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The accuracy of gel permeation chromatography is very important since it was used to determine the molecular weight distribution of polymer and to set up the relationship between polymer structure and properties. In this thesis, the instrumental spreading of a high temperature GPC was evaluated by coupling with a two-angle laser light scattering detector.
凝胶色谱作为测定聚合物分子量和分子量分布,GPC与光散射检测器联用作为表征聚合物的绝对分子量、分子尺寸及支化结构,建立聚合物材料结构与性能之间关系的研究手段,其本身的准确性十分重要。
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diffusion ; gas separation ; membrane materials ; methane steam reforming/metal dispersed microporous membrane ; hydrogen selective permeation ; sol-gel process ; membrane reactor
大连理工大学;日本国九州大学;日本国九州大学扩散;气体分离;膜材料;甲烷蒸汽转化法/金属分散多孔膜;氢选择渗透;溶胶-凝胶法;膜反应器
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The results indicated that the structure of the carbon membrane is micrometer scale. The N〓 permeation rate is 10〓~10〓cm〓/cm〓. s. cmHg.
Pa范围内。随着原料粒度的增大、成型压力的减小以及甲基纤维素用量的减少,微滤炭膜的孔径分布变宽,平均孔径及N〓透量增大。
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Effects of the mol ratio of acrylic acid/vinyl acetate and the churn-dasher on conversion, molecular weight and molecular weight distribution of the obtained polymers were investigated by gravity method and gel permeation chromatography.
通过聚合转化率和凝胶渗透色谱的测定,研究了聚合过程和所制备聚合物的分子量及其分布,以及丙烯酸对聚合物分子量分布的影响;进一步探讨了反应装置的安装及结构对聚合反应的影响。
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RESULTS: 20% and 70% ethanol greatly improved the percutaneous permeation of tetracaine ...
含 70 %乙醇的丁卡因凝胶剂具有较强的透皮作用和局麻效果
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AIM: To investigate the enhancement of ethanol on percutaneous permeation and topical anaesthesia of tetracaine gel.
目的 :考察透皮吸收促进剂乙醇对丁卡因凝胶透皮和局麻作用的影响。
- 推荐网络例句
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I didn't watch TV last night, because it .
昨晚我没有看电视,因为电视机坏了。
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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。
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I'm running my simile to an extreme.
我比喻得过头了。