查询词典 permeability

On the basis of these, the author analyze stress-strain model of rock and soil which is under the groundwater effect, the continuity equation of groundwater when the rock and soil is deformed, and the relation between permeability coefficient tensor of rock and soil and stress field, and brings up the mathematical model of stress-seepage coupling fields.

在此基础上，论文阐明了考虑地下水作用的岩土体本构模型、考虑岩土体变形的地下水流动连续方程和岩土体渗透系数张量与应力场的关系，提出了新的应力-渗流耦合场数学模型。

Flow is then stopped, and if the formation has sufficient permeability, the formation will flow to equilibrate the tester with the bulk of the formation.

流动然后停止，而且如果地层有足够的渗透率，地层将会流动，以平衡测试器和地层体积。

The law, which equivalent inductance and effective permeability of magnetic core vary with field current under the excitation of high frequency and large power, is discovered, and this will offer an important reference for the reasonable selection and effective use of material in the design of high frequency large power magnetic components.

在对高频功率磁元件测试中的影响因素进行深入研究的基础上，推导出方波、占空比可调矩形波、单极脉冲波及周期变化的任意波激励下磁元件测试与正弦波激励情况的等效，为解决磁元件在高频任意波激励下的在线检测提供了依据。

The ash bark extract, rich in fraxin and esculin, decreases the permeability of blood capillaries, conferring a vasculo-protective action.

秦皮提取物含有丰富的秦皮苷和秦皮甲素，能够降低毛细血管的渗透性，具有保护血管的作用。

The effects of different temperature and initial gasses ratio in Si-rubberbag on celery storage were studied,quality parameters including weight loss rate,etiolation rate,decay rate,respiration rate,changes of the concentration of oxygen and carbon dioxide in Si-rubberbag,cell membrane permeability and coarse-fiber contents were mensurated.

研究了不同温度以及硅窗袋内不同初始气体浓度比例对芹菜贮藏效果的影响，测定了芹菜贮藏过程中失重率、黄化率、腐烂率、呼吸强度、袋内O2、CO2含量、细胞膜透性、粗纤维含量等指标的变化，结果表明：温度对芹菜贮藏效果影响显著，但15℃与5℃环境下芹菜贮藏效果相差不大。

It can enhance resistance of blood capillary to injury, retract the broken ends of injured blood vessels and decrease permeability of blood capillary to reduce blood exosmosis.

增强毛细血管对损伤的抵抗力使受伤血管断端回缩，降低毛细血管的通透性减少血液外渗。

Considering that rock's permeability is exponential function along with formation pressure and starting from nonDarcy percolation theory of gas at high speed, this paper derives a new pseudo pressure binominal exponential deliverability equation and its solution method.

在考虑岩石渗透率随地层压力呈指数函数变化的基础上，从气体的高速非达西渗流理论出发，推导出新的拟压力二项式产能方程及其求解方法。

We found that the permeability ratio and GMI ratio depend on external magnetic field, peaking at a transverse anisotropic field of H=0.4 kA/m.

并发现有效磁导率比随外磁场的变化，在各向异性场H≈0.4kA/m处出现了峰值，GMI效应也在此磁场的位置处出现峰值。

Permeability heterogeneity in plane is an important characteristic of fluvial facies formation.

平面非均质是河流相沉积的重要特征。

Laboratory study on the effective stress of low-permeability sandstone rock was carried out using the modified factorial design program.

采用了修正的析因设计方案，对低渗透致密砂岩进行了有效应力方程的实验研究。

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