查询词典 percolation

Amukhin et al.,and convert it into an effective1D chain with particular distribution of equivalent coupling bonds.Then we use the single-electron Schrodinger equation to calculatewave functions of electrons in the chain by transfer matrix method,without using the assumption of Samukhin et al.On variable hoppingmechanism and critical percolation condition.From this calculationwe obtain the dc conductance directly from Landauer-Buttikarformula.

mukhin提出的多层次等级分形结构模型，将其简化为耦合键强度t具有特殊分布的等效一维链，舍弃前人假设的变程跳跃机制与临界渗流条件，从单电子薛定谔方程出发，用转移矩阵方法计算一维链的透射系数，再利用Landauer-Buttickar公式直接求出直流电导。

The results show that PET/EG and PET/EP-EG all have very low percolation threshold value and excellent conductibility, especially the latter.

此外，运用DSC、XRD、TG、DMA等手段研究了PET／EG复合材料的结晶性能、热性能及动态力学性能等。

Under dry and low water saturation condition, gas percolation curve shows as convex shape, the permeability becomes lower, and the slippage effect is more evident.

在干燥和低含水饱和度状态下，气体渗流曲线呈上凸型，渗透率越小，受滑脱效应的影响越明显。

For the percolation model on lattice nested fractals, thecritical phenominon, exponential decay law are investigated in the second chapter.

第一章研究了SierpinskiGasket格点图上边渗流模型的临界现象、指数衰减律和临界值的唯一性。

Combined with the percolation theory of low permeability oil reservoirs,we derived the function of det...

结合低渗透油藏渗流理论得到了低渗透油藏确定极限技术井距的公式，可为低渗透油田开发确定合理井网密度提供理论依据。

Therefore, it is meaningful to use the percolation theory to prepare the material with high dielectric constant.

因此，渗流理论对于制备高介电常数聚合物基复合材料是十分有意义的。

The preparation process of equisetum pratense total alkaloid includes the following steps: coarse pulverizing equisetum pratense to obtain rough powder, methyl alcohol percolation to obtain percolate, recovering methyl alcohol, concentrating, degreasing by means of petroleum ether, alkalifying concentrate, CHCl3 extracting, soda lye washing, neutral water washing, recovering CHCl3 to obtain rough alkaloid, adsorption by using silica gel column, eluting, recovering solvent so as to obtain refined EPR.

该发明是通过两个步骤来实现的：第一步，提取草问荆总碱，流程：草问荆粗粉――渗漉液――浓缩液(析胶、石油醚脱脂、氨水碱化)――碱化浓缩液(CHCl3萃取)――CHCl3层――CHCl3液(回收CHCl3)――粗生物碱――吸附硅胶柱――精致EPR。第二步，选择实验试剂、仪器、用小鼠作为实验对象，进行中枢神经系统实验，研究作用及作用机制。

According to the law of equivalent percolation resistance, the productivities of mixed well patterns of horizontal well or multilateral horizontal well with vertical well are studied.

根据等值渗流阻力法原理，采用电路分析方法，研究了水平井和分支水平井与直井混合井网条件下的产能公式。

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。

Based on the Percolation theory and the Voronoi model, the pore size distribution is with normal distribution. Considering the flection of the pore, the variability of the pore size and the diffusion of the reactive gas, the comprehensive desulfurization model between CaO and SO〓 is established by adopting the elemental sphere disposal method.

根据由逾渗理论结合Voronoi模型得出的CaO孔径分布符合正态分布的结论，采用微元球壳的处理方法，考虑孔隙长度的曲折性和反应过程中孔径的变化过程和反应气体的扩散过程，建立了CaO颗粒与SO〓气体之间的综合脱硫反应模型。

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。