查询词典 permeability

Because the cns is so well perfused, permeability is generally the major determinant of the drug distribution rate.

中枢神经系统的血液灌注极佳，一般说来，通透性是药物分布速率的主要决定因素。

The factors that influence the permeability of the perorated tipping paper are discussed.

讨论了用连续CO2 激光器对水松纸打孔的原理和实现方案，就其中一种方案的打孔结果进行分析，指出激光打孔时影响打孔水松纸透气度的一些因素。

Metals are good electrical conductors with high strength and usually have no porosities for gas permeability.

金属是具有较高的强度、导热性和气密性的良导体。

Metals are good electrical conductors with high strength and usually have not porosities for gas permeability.

金属是具有较高的强度、导热性和气密性的良导体。

Longan ; quick-freezing storage ; membrane permeability ; PPO activity ; total phenol content

龙眼；速冻；细胞膜渗透率； PPO活性；总酚含量

The technology for waste mud reinjected into high-permeability reservoir is applied in Linnan Oil Field , which reduces the pollution of solid mud for environment.

临盘采油厂临南油田针对水质改性后固体废物急剧增加、处理难度大的问题，提出了将污泥浆回注入高渗储层的处理办法，并在夏52-414井进行了现场试验。

The technology for waste mud reinjected into high-permeability reservoir is applied in Linnan Oil Field, which reduces the pollution of solid mud for environment. The field test in Xia52-414 Well shows that the injection pressure can be kept to 11 million Pascal when the concentration of sludge in waste mud is ten percent.

引 言 胜利油田有限公司临盘采油厂临南油田属中低渗透油藏，注入水为回注污水(pH值为6.5，总矿化度为40511～55149 mg/L)，注采系统腐蚀、结垢严重，为解决此矛盾，实施了改性水工程，但在取得防腐、防垢较好效果的同时，所产生的固体废物则急剧增加。

A mathematical model of predicting permeability change when reinjecting the water is prooposed Out.

文章提出的数学模型，可用于油气井产出水回注时预测地层渗透率的变化。

4Basing on research findings of indoor experiment, Improved Convert Permeability Coefficients Method considering of crossed karst and cranny was put forward, FEM program KARSTCNPM used to calculate seepage in saturation and non-steady karst was reprogramed.

根据室内试验研究成果，提出了考虑岩溶与裂隙交叉局部水头损失的改进折算渗透系数法，改编了饱和非稳定岩溶渗流场有限元计算程序KARSTCNPM。

Horizontal well sectionalized hydraulic fractured technology has been a high speed development as a means of increasing production in low permeability reservoir, but compare to the fracture-extend model, temperature model, surface treatment pressure model, it advanced slowly in the proppant transport model.

水平井分级压裂技术作为水平井开发的低渗透油气藏主要的增产改造的工艺措施，受到了国内外各油田的高度重视并得到了长足的发展，但相对于水平井压裂单裂缝的延伸模型、温度场模型、施工压力预测模型来说，在水平井单裂缝的支撑剂输送模型的研究方面却进展缓慢。

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