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Similarly the possibility of describing the world by means of Newtonian mechanics tells us nothing about the world: but what does tell us something about it is the precise way in which it is possible to describe it by these means.

同样,世界可以用牛顿力学来描述,这关于世界并无所说;但是恰如实际上所用的描述世界的这种确定方式,却告诉了我们关于世界的某些东西。

At the start of his scientific work, Einstein realized the inadequacies of Newtonian mechanics and his special theory of relativity stemmed from an attempt to reconcile the laws of mechanics with the laws of the electromagnetic field.

在开始他的科学工作,爱因斯坦意识到自己的不足,牛顿力学和狭义相对论源于试图调和法律与力学规律的电磁场。

The thrust is the result of a relativistic effect and would not occur under simple Newtonian physics.

他的理论以爱因斯坦的理论为前提,推进器原理也是相对论效应的结果,在经典牛顿物理学范围不适用。

The viscosity is one of the most important flow properties of blood, the blood is a non-Newtonian fluid.

粘滞度是血流最重要的性质之一,血液是非牛顿流体,血液的粘度随着切变率的变化而变化。

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。

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。

In this paper, based on the flexible multibody dynamics model of the virtual axis hybrid polishing machine tool, the differential — algebra hybrid equations is calculated by the Newton- Raphson method. The variety of the moving displacement, the velocity and the acceleration for the moving platform, leg, slider on the 3- PTT parallel mechanism and the pose curve of the series mechanism are obtained.

论文主要完成了在已经建立的虚拟轴混联研抛机床多柔体动力学模型基础上,应用牛顿—拉斐逊(Newton-Raphson)数值计算方法求解微分—代数混合方程组,得到3-PTT并联机构动平台、支杆、滑鞍各部件的运动轨迹、速度和加速度变化规律,以及串联机构的姿态变化曲线。

The parametric optimization model is established on the basis of explicit least square error, and the parameters of digital points are optimized by subspace interior reflective conjugate gradient method.

建立了基于显式的最小二乘重构误差的参数优化模型,运用子空间共轭梯度内部反射牛顿优化技术实现了大规模数据点的参数优化。

The modern understanding, of course, is that heat radiation is light, but Newton considered them two different phenomena (believing heat vibrations to be excited "when a Ray of Light falls upon the Surface of any pellucid Body").

现代的理解,当然就是热辐射光但牛顿认为他们两种不同的现象(believing热振是兴奋:"当曙光落在表面的任何pellucid机构")。

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