The conditions for extraction of ephedrine using percolation method from Ephedra sinica Stapf was studied in this paper. 目的将麻黄总提物分为麻黄碱和非麻黄碱两部分,并试验非麻黄碱部分的溶栓作用。
Application of percolation theory in forest fire simulation 渗透理论在森林火灾模拟系统中的仿真研究
Secondly, we present a fat fractal percolation model of porous media, and its scaling rule and computational method of fractal dimension are discussed. 分析了用瘦分形作为多孔介质模型的局限性,提出了一种胖分形渗流模型,并讨论了其标度律和分形维数的计算方法。
This article studied the convection and diffusion of polluted materials in soil using convection and diffusion equation considering the effect of percolation. 采用对流扩散方程并且考虑渗流作用的影响,研究了缓流水体底泥污染物对周围土层的影响。
Duel medium multiphase and multicomponent percolation model suitable to fracture of condensate gas reservoir 适用于凝析气藏压裂的双介质多相多组分渗流模型
Percolation Feature in Low-Permeability Reservoir and Study on Inflow Performance of Oil Wells 低渗透油藏渗流特征及油井流入动态研究
The Solution and Application of the Low-permeability Reservoir Percolation Models 低渗油藏渗流模型求解方法研究及其应用
A Study of the Percolation Mechanisms with Rock Deformation and the Application for Low Permeability Gas Reservoir 低渗气藏岩石变形渗流机理及应用研究
Such percolation is a healthy sign of social and economic mobility. 这种流动正是社会和经济转换的健康体现。
The influence of water phase evaporation on gas percolation in low permeability gas reservoirs Note: Air permeability and breathability are not synonymous. 低渗透气藏水相蒸发对气体渗流的影响注意:空气渗透性和透气性是两个不同的概念。
The results achieved by using the Archie formula and the percolation theory are in good accordance. 根据阿尔奇公式的分析结果同逾渗理论结果一致。
In combination with the percolation characteristics in near bottom-hole area, radical grid was treated with logarithmic method. 考虑井底附近的渗流特点,对径向网格采用径向等对数划分的方法进行了处理。
Based on the theory of mass point percolation flow through porous media, water breakthrough time is predicted for gas reservoirs with approximately straight line feeding edge water. 基于多孔介质流体质点的渗流规律,对具有近似直线供给边界的边水气藏见水时间的预测方法进行研究。
Production law based on percolation for a gas well in tight sandstone gas reservoirs with low permeability 基于渗流特征的低渗透致密砂岩气藏气井生产规律
In this paper, we introduce the research progress of coupled networks at home and abroad, including the related empirical study, the percolation theory and spreading dynamics on it. 介绍国内外对耦合网络的研究进展,包括相关实证研究、耦合网络上的渗流理论和传播动力学的研究。
Research on Mechanism of Foam Percolation Based on Percolation Network Model 基于逾渗网络模型的泡沫渗流机理研究
Research Institute of Percolation Fluids Mechanics, Chinese Academy of Sciences; 中国科学院渗流流体力学研究所;
Fluid flowing barrier extends outwards continuously, which is a feature of pressure propagation in low velocity nondarcy percolation. 流体流动边界不断向外扩展是低速非达西渗流压力传播的特点。
The scaling exponents of the permeability are calculated at the percolation critical point. 数值计算了该模型系统渗透率在临界点处的标度指数。
Percolation structure of concrete was tested and characterized by AC impedance spectroscopy. 混凝土的渗流结构可以用交流阻抗谱方法来测定和表征。
Researches of Percolation Flow Theory and Deliverability Calculation Method for Horizontal Well 水平井渗流理论及产能评价方法研究
The critical properties of a quenched site-correlated percolation system is treated by real-space renormalization group method. 本文用实空间重整化群方法处理有粹灭关联的渗流系统。
An experimental study on the percolation characteristics of single phase gas in low and ultra-low permeability sandstone gas reservoirs 洪积扇相砂砾岩体储层构型研究方法探讨低、特低渗透砂岩气藏单相气体渗流特征实验
This corresponds to the percolation phase of the drying mechanism. 这相当于干化机理的渗滤阶段。
Study of Percolation Properties 、 Spiral Order and Phase Transition Dynamics of Low Dimensional Magnetic Systems 低维磁性系统渗流特性、螺旋序和相变动力学的研究
Non-linear percolation and its computational method of single phase fluid in low permeability porous medium 低渗透多孔介质单相流体非线性渗流及计算方法
A dual-percolation model coupled the pore percolation theory and the fracture percolation theory is presented to study the conductivity of the low and ultra-low fractured porous media. 针对低渗和特低渗裂隙多孔介质的连通性,结合孔隙逾渗理论和裂隙逾渗理论,提出一种双重逾渗模型。
A percolation model of random porous media, with its nonzero bonds obeying the uniform distribution, is researched in this article. 研究了一类非零键渗透率满足均匀分布的随机多孔介质逾渗模型。
A percolation model for closed carbonate reservoir with natural fractures was built. 建立了天然裂缝性碳酸盐岩封闭油藏渗流模型。
The percolation mechanism of low permeability reservoirs differs a lot from that of conventional gas reservoirs. 由于低渗气藏一般具有低孔低渗的特点,所以其渗流机理与普通气藏相差很大。