查询词典 percolation

Many gas reservoir simulation programs are based on the linear Darcys Law; it is difficult to accurately describe the above-mentioned non-linear percolation rule. It is even useless in many practical applications.

然而，目前大量的气藏数值模拟软件是基于线性的达西定律的，难以对上述非线性渗流规律进行准确描述，因而在很多实际应用中显得无能为力。

It is proved theoretically that its potentiometric surfaces of horizontal wells under the condition of single phase steady percolation in boundless formation are a bunch of revolving ellipsoids whose focuses are the two ends of the horizontal well.

首次在分析了水平井井筒内流动特性基础上，应用质量平衡和动量守衡建立了考虑井壁流体径向流入的任意倾角的单相井筒压降计算的通用模型。

A new implicit pressure calculation method and relevant percolation rule are introduced taking account of the advantages of methods suggested by King, Sorbie and Stenby. Simulation methods for various boundary conditions (fixed pressure or fixed flow rate) and well pattern (line drive, five-spot pattern) are presented.

多相渗流的随机渗滤多尺度模拟多孔介质的多尺度非均质性及工程上对渗流模拟空间范围的要求，使得多相渗流的多尺度模拟对于正确模拟渗流过程具有十分重要的意义。

In order to find out a simple and efficient method to calculate the water breakthrough time in combination well pattern of horizontal and vertical wells, simplifing a horizontal well into a vertical well with the same well-hole radius, and considering the unpiston-like displacement, the water breakthrough time formulas of five-spot, seven-spot and nine-spot pattern were derived and revised by equivalent percolating resistance method. In this method, the percolation region is divided into three resistance regions.

为了寻求一种简单、有效的计算水平注水井与直井联合井网的见水时间的方法，将水平井简化为具有等效井筒半径的直井，考虑水平井与直井联合布井水驱油的非活塞性，运用等值渗流阻力法将渗流区划分为3个阻力区，推导出了五点法、七点法和九点法水平井与直井联合井网的油井见水时间的计算公式和修正公式。

Percolation irrigation is an irrigation method of a new type, which has the advantages of other irrigation method such as furrow irrigation in vegetable protected cultivation.

渗灌是一种新型的灌溉方法，在保护地蔬菜栽培中表现出明显的优势，但如何根据保护地生产这一特殊条件确定灌水技术、优化土壤水分调控指标已成为渗灌在保护地生产中推广和应用的当务之急。

In addition,comparing with the results of expanding evaporating source model and an isospin-dependent percolation model,it is found that the isospin dependence of multifragmentation mainly results from the isospin dependent reaction dynamics.

另外，通过与膨胀蒸发源模型及同位旋相关的渗透模型分析结果的比较，发现这种差别主要是由同位旋相关的反应动力学所造成的。

In this paper, an idea is presented about a larger pressure of percolation flow existed in a part of rock by a high-pressure jet, and the pressure has great effect on the rock fragmentation with jet. A model of calculating the pressure is established.

本文提出了射流作用下岩石局部范围具有较高渗流压力的思想，并认为该渗流压力大小对射流破岩有重要影响，建立了该渗流压力的计算模型。

Sumps use the weight of water and gravity to help soil's natural percolation.

污水坑使用水和重力的重量，以帮助土的自然渗透。

This model provides a unified mechanism to interpret hard-sphere, compacting cluster, free volume, cage, jamming behaviors, geometrical frustration, reptation, Ising model, breaking solid lattice, percolation, cooperative migration and orientation, critical entanglement chain length and structure rearrangements.

这个模型提供了一个统一的机理可解释：硬球、压缩集团、自由体积、jamming behaviors、 geometrical frustration、蛇行、Ising 模型、破缺固态格子、逾渗、合作迁移和取向、临界缠结链长度和重排结构的粒子数。

Used for determine the oil content of wool or synthetic samples etc.by solvent percolation and evaporation.

产品介绍：用于各种纤维所含油脂的快速提取，以测定油脂含量。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。