查询词典 gradient of scalar field

We have built up quintessence and phantom dark energy models in which the scalar field is induced from a 5-dimensional Ricci-flat vacuum.

我们建立了暗能量的 quintessence 和 phantom 模型，其中的标量场是由五维Ricci 真空场诱导出的。

Let , a scalar field, be defined on a domain D in,, then the vector

设是定义在三维空间的区域 D 上的标量场，，则向量

Since the general solution of this method is analytic series of scalar potential, electric field intensity could be obtained by first derivation.

在四极场的计算中，该方法具有表达式简单，求解变量少，而且计算精度和效率高的优点。

The ω for the scalar field model is not a constant but evolves with the redshift z.

各种标量场模型的物态方程ω是演化的，有的可以给出ω＞-1，有的可以给出ω＜-1。

It is the elementary scalar field that generates a series of questions, for example, it creates the questions of triviality and unnaturalness, etc.

标准模型虽然已被大量的精确实验所检验，但是它不能解释质量产生的动力学原因，而且它的标量部分存在平庸性、不自然性等问题。

This doctoral dissertation concentrate its research on rendering algorithms, parallel and distributed process, visualization environment and system, of 3D scalar data field.

首先分析了当前科学计算可视化的发展趋势，总结了三维数据场体可视化技术的发展现状及目前研究中的不足，指出了开展三维数据场体可视化技术研究的必要性。

The improved algorithm on field multiplication leads the less logic elements to implement the scalar multiplication on the elliptic curve.

设计主要针对资源受限的应用环境：改进了有限域上的乘法运算、使用了没有预处理的标量乘算法。

Sound wave has both scalar quantity and vector field, while traditional acoustic pressure sensor system merely makes use of its acoustic pressure information.

声波兼有标量场和矢量场，传统的声压水听器系统仅利用了其声压信息。

A display technique of surface rendering was developed in order to display the numerical simulation results of 3-D scalar field physical quantity of the whole casting during solidification process visually and precisely.

为了更直观和准确地显示整个铸件各部位在凝固过程中各时刻的三维标量场物理量的数值模拟结果，设计了一种称之为表面绘制的显示技术。

After a brief overview of particle physics and a survey of relativistic wave equations and Lagrangian methods,the quantum theory of scalar and spinor fields, and then of gauge fields,is developed The emphasis throughout is on functional methods,which have played a large part in modern field theory.

近来，一个新的主题正崭露头角，这第三个主题与分数化、拓扑／量子序、弦网凝聚有关，也和新的物质态以及其中显现的规范玻色子和费米子相关。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼