查询词典 permeability

Results: All of the three methods of changing yeast cell permeability can raise fermentative yield of fructose 1,6 diphosphate.

常见的改变酵母细胞透性的方法有反复冻融、甲苯处理、活化培养这三种方法。

At the same time, this paper adopts sequential parameter method to establish porosity、permeability and water-saturation interpretation models by theoretical analysis under DLS, which is been widely used oilfields.

同时，针对目前油田广泛采用的DLS数字化测井系列，研究应用了序参量的方法，通过理论分析建立了DLS数字化测井系列的孔隙度、渗透率、含水饱和度的解释模型。

BACKGROUND: It is generally accepted that fibrous collagen protein is an ideal vector, limiting by easy fluxion, rapid degradation, and doubtable permeability.

背景：纤维胶原蛋白被公认是非常理想的载体，但其胶性易流动，降解较快，且通透性有待置疑。

The downslope height of gas/water contact with different permeability, different gas injection rate and different actuating pressure gradient with gas flooding are calculated.

实验拟合了气驱水启动压力梯度，计算了不同渗透率、不同注气量、不同气驱水启动压力梯度下的气水界面下移高度，应用CMG数值模拟软件，进行了注气抑制底水锥进的模拟研究。

Zhejiang has 14.5 million user, the permeability in saving a dweller completely is amounted to 28%.

浙江则拥有1450万用户，在全省居民中的渗透率达28%。

The section inversion lies on the different change laws of dynamic resistance coefficient of polymer solution in the high and low permeability layers.

剖面返转的根本原因在于聚合物溶液在高、低渗透层中的动态阻力系数表现规律不同，高渗透层中阻力系数呈对数式上升。

The decreased permeability of outer membrane (3) Active efflux system.

除此之外，质粒与细菌耐药性的关系目前尚不清楚。

Moreover, by solving the eigenvalue problem, we obtain the permeability and the magnetic field of the ferrite.

此外，藉著解数个特徵值问题我们可以得到这个磁导率和磁场在铁氧磁体。

The conductivity of the membrane was measured by AC impedance method ,it was showed that the conductivity of the membrane prepared by electrodeposit method could get up to 10 -2 S/cm,the denseness of the membrane was investigated with a lab made negative pressure system,and it was found that the permeability of the membrane decreased by over 95% in the case of ca 2% phosphate deposit.

采用电化学沉积法和溶胶凝胶法制备了一种磷酸盐无机质子传导膜，交流阻抗法测得电化学沉积法制得的膜的电导率可达 10 -2 S/cm ，负压渗透系统研究膜的密实性表明：在磷酸盐沉积量为 2 %左右时，膜的透过性可降低 95 %以上。

In these three kinds of fibers: ramie, linen and hemp, the air permeability of ramie fabric is the best one because of its lengthwise in equability and smaller specific surface-area.

三类麻纤维中，由于苎麻纤维纵向的不均匀性及相对较小的比表面积，使苎麻纤维构成的织物透气性最好。

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