牛顿

Rheological behavior of non-Newtonian fluid in viscous oil reservoirs and flow characteristics in water flooding are important factors influencing oil recovery rate and oil recovery factor.

稠油油藏原油的非牛顿流体流变特性和在注水开发中的渗流特性是影响采油速度和原油采收率的重要因素。

In this paper the rheological characteristics of penicillin fermentation broth as non-Newtonian fluid was studied by measureing the fluid viscosity.

通过测定青霉素发酵液的粘度，研究非牛顿体系的流变特性，根据终点体系和中期体系的凯松流体模型和拟塑性流体模型确定本构方程。

Waxy crude oil ; non-newtonian fluid ; rheological parameters ; measurement conditions ; experimental methods.

含蜡原油；非牛顿流体；流变参数；测试条件；实验方法

Second, quasi-Newton methods are not applicable to all nonlinear optimization problems.

其次，拟牛顿法不能求解所有的非线性优化问题。

Matrices, Vector and Vector Calculus, Newtonian Mechanics-single Particle, Oscillations, Nonlinear Oscillations and Chaos, Gravitation, Some Methods in the Calculus of Variations, Hamilton's Principles Lagrangian and Hamiltonian Dynamics, Central-Force Motion, Dynamics of a System of Particles, Motion in a Noninertia Reference Frame, Dynamics of Rigid Body.

矩阵和向量的计算、单一质点的牛顿力学、线性与非线性的振动运动、重力、微积分上的变分法介绍、哈密顿原理、拉氏及哈氏力学、连心力下的运动、质点系的运动力学、在非惯性坐标中的运动、刚体的运动。

Apparent viscosity,non-Newtonian index and structural viscosity index were obtained as a function of nonsolvent contents and temperatures.

摘 要：研究了聚丙烯腈/二甲基亚砜/水三元混合纺丝原液在不同的含水量和温度下的流变性能，获得了表观黏度、非牛顿指数和结构黏度指数对于含水量和温度的依赖关系。

At the same time, the time taken to solve the system of normal equations for the least-square method is also reduced by using matrix updating techniques associated with Broydens quasi -Newton method.

同时运用拟牛顿矩阵校正技术解最小二乘方程组也减少了大量的计算时间。

According to the mth power Newtomian Inside-Insert Polynomial and its numerical differentiation, the most important kinetic parameters for the cell growth-specific growth rate-its calculation expressions at all the experimental points are inferred.

利用m次牛顿插值多项式和它的数值微分公式，表征菌体细胞生长的最重要的动力学参数——比生长速率在各实验点的计算表达式被推导出来了。

Iterative method with numerical integration, error under their control, using Newton iteration method.

详细说明：用迭代法计算数值积分，误差自己控制，用牛顿迭代法实现。

Practice and the example presented show that it is one of the most successful solution methods, having better numerical stability.

实践与算例表明，拟牛顿法是目前最成功的算法之一，具有较好的数值稳定性。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。