查询词典 dimensionless quantity

Based on the composite bounded reservoir model with two porous media, the Laplace solution of dimensionless pressure distribution under inner boundary condition (considering the wellbore storage and the skin effect) has been studied, and through analyzing the structures and interrelations of Laplace solution, the correlations with usual composite, two porous media and homogeneous reservoir pressure distribution have been found.

针对双孔介质复合封闭储层模型，研究了两种内边界条件(是否考虑井筒储存和表皮效应)下的变流率问题的无因次内、外区储层压力分布的Laplace空间解，在深入剖析了解的结构和相互联系的基础上，找出了它与常见的复合、双孔、均质储层压力分布间的相互关系。

In this paper, the dimensionless form of convection-dispersion equation in miscible displacements is deduced.

给出了混相驱对流-弥散方程的无量纲形式；采用高阶精度差分格式对其进行数值求解并应用于几个具体算例中。

Considering that the existing nonlinear flashover model only suits chamber with single opening,this paper presented a modified model which would be more widely applicable after revising the dimensionless parameters,based on analyzing the calculation methods for smoke neutral plane and outflow mass rate from compartment with multiply openings.

通过实验重现了汽油、柴油、酒精、聚乙烯和木垛的轰燃过程，发现不同液体燃料引发轰燃所需的最小火源面积正比于燃料的蒸发热，反比于燃烧热，轰燃发生时间会随着火源面积的增大而提前。

A new set of dimensionless nomogram characterized by two parameters and Reynolds number is used to improve the deficiency of the AG number.

实验上，我们模拟了一个五倍大的尿道模型，并配以不同阻塞程度，阻塞外型来做实验，并以计算流体力学验证之。

Magnetic permeability: The ratio of the magnetic induction B to the inducing field strength H; denoted by the symbol :=|B|/0|H| 0 is the permeability of free space = 4π 10-7 weber/ampere meter (or henries/meter) in the SI system and 1 gauss/oersted in the cgs system, so that the permeability is dimensionless.

磁导率 磁导率：磁感应强度 B 与源场强度 H 之比，用符号表示：=|B|/0|H|自由空间磁导系数 0 在国际单位制中为 4π 10-7 韦伯/安培米，在厘米-克-秒单位制中为 1 高斯/奥斯特。因此磁导率是无量纲的。

Firstly the dimensionless planar motion model of SGKW was established;then the optimal control problem of shortest time coplanar hit orbit was transformed into two-point boundary value problem by means of Pontryagin maximum principle .

首先建立了SGKW的无量纲化平面运动模型，然后利用庞特里亚金极大值原理将时间最短共面打击轨道的最优控制问题转化为两点边值问题。

According to the requirement of a minimum-fuel-consumption, a method of coplanar hit orbit optimization design for SGKW was studied. The dimensionless planar motion model of SGKW was founded, and the optimal control problem of minimum-fuel-consumption coplanar hit orbit was derived into two-point-boundary-value problem according to Pontryagin maximum principle.

针对燃料最省要求，研究了SGKW共面打击轨道优化设计方法，建立了SGKW的无量纲化平面运动模型，利用庞特里亚金极大值原理将燃料最省共面打击轨道的最优控制问题转化为两点边值问题。

Qualitative analysis of the influence of the strength of anisotropy,dimensionless latent heat,and noise factor on the shape of crystal growth is given.The results show that the velocity of principal branch growth increases as strength of anisotropy increases and the branch structure is very strongly dependent on strength of anisotropy;as ...

结果表明，枝晶主干生长速度随着各向异性强度的增大而增大，并且枝晶结构强烈依赖于各向异性强度；随着无量纲潜热的增大，晶体生长过程中枝晶结构特征愈加明显；扰动对枝晶结构特征有一定的影响，随着扰动因子的增加，枝晶间竞争生长加剧。

Absolute open flow is a important index of appraising oil/gas well production capacity,and often used in oil/gas well classification、proration and dimensionless parameters in other equations and so on,it denotes oil/gas productions under full openness of well bottom.

无阻流量是评价油气井生产能力的重要指标，也常用于油气井分类、配产和其它公式中参数的无因次化等，它表示井底在完全敞开的情况下油气井的产量。

The extent of the dendrite remelting can be described by the dimensionless superheating of the dendritic skeleton during recalescence.

重熔破坏趋势的大小可以用再辉时枝晶骨架的无量纲过热度来衡量。

You have to walk your own alk in this life.

次生中你必须走自己的路。

To start with, the thesis analyses ***ism in terms of the generic masculine words, word order and semantic derogation of women in greater detail.

论文首先从阳性词泛指，词序，词义的贬降等方面对英语中的性别歧视现象进行了详细的分析。