查询词典 permeability

These felts, manufactured mainly from wool, had low vertical permeability and poor service life.

这些毛毯生产主要来自羊毛，具有低的垂直渗透率和差的使用寿命。

Besides various interferences, the wave front diffusion, the ground absorption and the attenuation are all the causes of a weak seismic reflection and, plus the complicated superficial geologic setting and the reservoir bed features of low amplitude, low porosity and low permeability of the compacted thin detrital rock in HJQ, the conventional seismic amplitude fidelities do not meet the criteria of the seismic inversion.

除各种干扰外，地震波传播过程中的波前扩散、大地吸收、衰减等使地震反射能量变弱，加之杭锦旗地区复杂的表层地质条件和低幅、低孔、低渗致密性薄层碎屑岩的储层特点，使常规保幅地震资料离地震反演的要求还有差距，并且反演技术本身不具备噪音识别功能，包含噪音的反演必然会影响地质效果。

The results show that the probability distribution characteristic of the vertical permeability coefficient in fissured rock zone is much close to the log-normal distribution.

结果表明，同正态分布和均匀分布相比，裂隙岩体地区的垂向渗透系数更接近对数正态分布。

The dissertation also establishes a special boundary element method for an anisotropic media to adapt to the permeability property of a fissured rockmass.

可靠指标β和失效概率P〓为适应裂隙岩体渗透特性的特点，本文建立了各向异性介质的边界元方法。

The multiple fracturing technique is one of effective approaches to enhance the production of the low permeability reservoir.

重复压裂技术是提高低渗透油藏产量的有效途径之一。

This paper firstly discusses the characteristics of high permeability reservoirs and puts forward the fracturing methods.

本文针对中、高渗透性油藏的特点，考虑压裂提高产能和防砂的需要，研究提出了支撑剂选择方法。

Results indicated that furrowing can make the soil of the ridge looser and soil porosity larger, so favoring the aeration and water permeability of soil, enlarging the storage capacity of soil water.

结果表明，起垄可使垄背土壤变得疏松，孔隙度增大，有利于土壤通气透水，增加土壤水库容。

It is simulated that water volume is changed with the value of the coverage and permeability index of grouted surrounding rock to control leakage volume.

探讨了特定条件下围岩中渗流场的分布规律，模拟了改变围岩注浆圈的厚度和渗透系数的大小对涌水量的影响。

The depth at which the amplitude of a plane wave has been attenuated to 1 /e (or 37 percent): skin depth =(2/σω)1/2 meters where σ= conductivity in mhos/meter,= permeability in henries/meter, and ω= angular frequency in radians/second.

平面波振幅衰减为原来的 1 /e(或 37%)时的深度：趋肤深度=(2/σω)1/2 米其中σ是以姆欧/米为单位的电导率，是以亨利/米为单位的磁导率，ω是以 28 Electrical 弧度/秒为单位的角频率。

An enzyme that inactivates hyaluronic acid in the body,thereby increasing tissue permeability to fluids.

透明质酸酶一种能够降低体内透明质酸的活性，从而提高组织中液体渗透能力的酶

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