降低泥浆通过渗透介质时的滤失量的一种特殊泥浆添加剂。
A group of mud additives specifically designed to lower the volume of filtrate that passes through a filter medium.
因此，在研究低渗透介质中气体渗流规律时要考虑残余水的影响。
So the impact of remains water should be considered in study of gas seepage law in low permeability media.
维生素C的局部皮肤中的应用渗透介质可以极大地提高了维生素C对胶原蛋白的生产情况。
The topical application of vitamin C in a skin-penetrating medium can dramatically enhance the availability of vitamin C for collagen production.
在给定的饱和度下，未固结的多孔介质的非润湿渗透率高于排水渗透率。
At a given saturation nonwetting permeabilities for an unconsolidated porous medium are higher than the drainage permeabilities.
一种介质向另一种介质渗透和同化的过程。
Process of soaking up or assimilation of one substance by another.
在低渗透多孔介质中，由于孔隙半径小而不能忽略毛细管压力对油气体系相平衡的影响。
Since the pore radius is very tiny in the low permeability porous media, the capillary pressure should be taken into account.
大部分低渗透气藏属于变形介质。
Most low permeability gas reservoirs belong to deformed media.
水作为液压介质必须解决润滑性能差、渗透泄漏性强、腐蚀与气蚀等三大关键技术问题。
The three key technologies should be solved for water being the medium of hydraulic system, which is poor lubrication, strong infiltration leakage, cauterization and air erode.
采用实验、理论与计算相结合的方法建立低渗透孔隙-裂隙介质气体非线性渗流运动方程。
Methods of experiment, theory and calculation were used to establish a new nonlinear flow law. Experiment results of gas flow in low permeability pore-fissure media were analyzed.
渗透系数的空间变异性使得隧道开挖后围岩应力有明显的非连续性，对裂隙介质的耦合过程起着重要作用。
The spatial variability in permeability plays an important role in the coupled hydro-mechanical processes of the fractured rock mass and induces a discontinuous distribution of principal stresses.
考虑启动压力梯度和介质变形的影响，研究低渗透油藏中直井产量的变化规律。
With consideration of start up pressure gradient and media deformation, this paper studies vertical well production in low permeable reservoirs.
综合利用直接方法和优化方法研究二维多孔介质渗透率反演问题。
The permeability identification problem for two-dimensional porous medium was studied by both the direct and the optimization method in this paper.
采用正向渗透试验方法测定了氯化钙和水玻璃溶液添加丁二酸钠后溶液在粉尘介质中的渗透规律。
The penetration law of a solution of calcium chloride, water glass and sodium succinate into dust is determined by the forward permeability test.
空气钻井采用空气作为循环介质，最适低压和低渗透储层的开采。
The use of air as a circulating medium for drilling is the best way for the development of low pressure and low permeable formation.
这一有效渗透率定义意味着介质对存在于其中的每一种液体有明显的可测量的传导性。
This definition of effective permeability implies that the medium can have a distinct and measurable conductance to each phase present in the medium.
考虑到可变形多孔介质的渗透系数依赖于孔隙变形的特点，建立了一维孔隙压力生成的力学模型；
Accounting for the characters that the permeabilities of deformable porous media vary with its deformation, the machamical model for forming one-dimensional pore pressure is established.
讨论了溶洞和裂缝无因次渗透率模数、介质间窜流、弹性储容比、外边界条件及表皮系数对压力响应的影响。
Effects of permeability modulus, interporosity flow parameter, storativity-ratio, outer-boundary and skin parameter to the pressure response are discussed.
物理实验发现，所用的生物聚合物溶液中的悬浮微粒在多孔介质中进行运移，并被捕集，因而引起溶液在介质中的渗透率显著下降。
The suspended particles in biopolymer solution, when moving through the porous media, are captured by the latter, which reduces remark— ably the solution permeability through the media.
根据分形几何理论，提出了一个预测孔隙介质渗透率的分形毛管模型。
A fractal capillary model for predicting permeability of a porous medium (eg. grainstone) is presented according to the fractal geometry.
基于已有的岩心实验数据，构造了振动采油条件下两相介质相对渗透率的变化率函数。
The experimental data available in literature were employed to build the incremental ratio function for relative permeability of two-phase medium.
而初始时间（或去钝时间）的确定则取决了结构防护程度及有害介质离于的渗透速率。
The initial corrosion time may be decided by structural protection degree and penetration rate of corrosive agents.
利用流体扩散能量叠加原理，建立了裂隙岩体介质的渗透张量数学表达式。
Based on the principle of energy accumulation of liquid diffusion, the permeable tensor mathematic expression of fractured rock mass is established.
方法：考察渗透泵在不同介质中的释放情况。
Methods:The release rate of ambroxol HCl osmotic pump controlled release tablets in various mediums was observed.
实验表明，聚四氟乙烯是对主要的故障气体(乙炔)进行渗透的非常好的介质。
Experiment indicates that Polyflon membrane is an excellent medium for the main malfunction gas (acetylene) permeation.
根据渗流实验结果，建立了含束缚水的低渗渗透岩石介质气体非线性渗流定律。
According to the experiment results of percolation, the gas nonlinear percolation law in low permeable medium with irreducible water is found.
孔隙介质渗透率与孔隙空间分布的几何结构密切相关。
Permeability of porous media is closely related to the geometrical structure of spatial distribution of pores.
室内试验研究表明，流体在低渗透多孔介质中渗流时表现出非线性特征。
Laboratory test results show that, fluid flowing in low permeability porous media exhibit nonlinear characteristics.
室内试验研究表明，流体在低渗透多孔介质中渗流时表现出非线性特征。
Laboratory test results show that, fluid flowing in low permeability porous media exhibit nonlinear characteristics.
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