查询词典 permeability

Rats were sacrificed at 0, 6, 12, 24 and 48 hours after reproduction of pancreatitis in both groups. The intestinal mucosal permeability was assessed with 99mTechnetium Diethlene Triamine Pentacetic Acid method, and the expression of substance P was evaluated with reverse transcriptase polymerase chain reaction and Western blotting analysis.

分别于制模成功后0、6、12、24和48 h处死两组大鼠，并留取标本；利用同位素法测定肠黏膜通透性，分别用逆转录-聚合酶链反应和蛋白质免疫印迹法检测P物质在肠组织中的mRNA和蛋白表达水平。

Because trimethyl silyl-substitited PPO have similar gas solubility but various diffusivity, difference between gas permeability is mainly caused by gas diffusion coefficient.

故二者气体透过系数的不同主要是由于扩散系数的差异。

Completing the selection of well pattern, establishment of hydrocarbon reservoir geologic model, and calculation of fluid PVT, and triphase relative permeability determination, and reserve fitting and history matching, the programs are designed to improve oil recovery of WAG and simulate performance prediction, and also optimize the programs.

在完成井组的选取，油气藏地质模型的建立，流体PVT相态计算，油、气、水三相相对渗透率的确定，储量拟合和历史拟合以后，研究了气水交替注入提高采收率方案设计、动态预测模拟研究，实行了开发方案的优选。

The bursting strength,air permeability,moisture absorption and drying rate of the weft knits made of cotton twistless yarn were tested and compared with equivalent weft knits made of cotton twisted yarn.

探讨了复合酶G在溢流染色机内去除无捻纱巾类织物毛羽的工艺，试验确定了应用工艺为：复合酶G的用量1%～3%、pH值4.5～5.0、温度55～60℃、处理时间40～60 min、浴比11∶5。

PVA removing process is optimized by orthogonal test, and by use of analysis of variance method, factors which affect PVA removing result and the final quality of fabric are also studied. The PVA removing process is optimized. Comparing with twist woven plain fabric whose woven parameters are same to corresponding twistless fabric, properties of twistless woven fabric including breaking strength, tear strength, flex abrasion, air permeability, water vapour transmission, pilling resistance, drape, dimensional stability, wicking, and dyeing uptake are tested.

无捻纱机织物与有捻纱机织物(文中所提到的这两种织物的织物密度、纱线的号数等织造参数相同)的对比试验是本文的又一重点，本文通过对比试验，测试了织物的拉伸性能、撕破性能、顶破性能、耐磨性能、外观保持性、悬垂性、刚柔性、透气性、透水性、芯吸性能，绘出了上染速率曲线等，得到了大量的对比数据，并以数据为基础进行了分析，得出结论为：无捻纱织物具有良好的透湿、保暖、吸湿性能以及柔软的手感和较高的覆盖率，这些都证明了无捻纱机织物有良好的舒适性。

The low-permeability rocks and micrite for modeling the crust of the overpressure system were broken under the action of overpressure fluid,while the sandstone for modeling the uncompacted belt of overpressure system was not broken.

在实验过程中，模拟超压系统&壳&的低渗透岩石—泥晶灰岩发生了破裂，而模拟超压系统&欠压实带&的高渗透砂岩却未发生破裂。

The lower permeability rocks-micrite and muddy siltstone which modeled the "crust" of overpressure system have been broken by overpressure fluid, while the sandstone modeled the "uncompacted belt" of overpressure system have been not broken.

在实验过程中，模拟超压系统&壳&的低渗透岩石—泥晶灰岩发生了破裂，而模拟超压系统&欠压实带&的高渗透砂岩却未发生破裂。

A formula for calculating the minimum underbalance in lower permeability reservoir is obtained by applying a drag force function to testing data.

通过将拖曳力函数用于油田测试数据，提出了确定低渗透地层最小测试压差的公式和方法。

The minimum underbalance is independent of viscosity and compressibility and of reservoir fluids. It is a function of the formation porosity, permeability and radius of perforation channels.

最小测试压差不是依赖于地层流体粘度和压缩性，而是为地层孔隙度、渗透率和射孔孔眼半径的函数。

On the basis of producing status quo of outlying oil well and stripper/low permeability oil well,a new type of mobile pumping equipment—CYC20 pumping truck is developed.It is based on the underbalance production principle,using specially made swab direct produce crude oil in casing.

针对边远油井、低产低渗油井开采的现状，研制开发出了一种新型移动抽油设备———CYC2 0型抽油车，它根据负压采油工艺原理，利用特制的油抽子在套管中直接抽汲原油进行采油。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐