The important persence theorem of electrognetic find stless tensor can be derived shoply if the four dimensional field stress and four dimenional Lorentz force are expressed with appropriate exterior differential forms.
用外微分式表达四维Ｌｏｒｅｎｔｚ力电磁场应力，导出两者之间符合守恒定律要求的关系式。
This paper , through discussing the exterior differential of differential form, de-rives the representations of gradient,pergence,rotation and eaplacian in orthogonal curvi-linear coordinate system by means of exterior differential method.
本文通过讨论微分形的外微分,用外微分法推导梯度、散度、旋度和Laplace算符在正交曲线坐标系中的表达
Taking hamiltonian equations,conservative law and ca- nonical transformation as examples in the paper,the author proved that hamiltonian version and exterior differential version are equivalent.
近年来用外微分形式来表述,推导物理定律和公式,已逐渐流行,它几乎可应用于大多数物理领域,本文以动力学中的正则方程,守恒定律,正则变换为例给出它在经典力学中的应用。
Some characteristics and its applications of the exterior derivative and exterior algebra;
外代数与外微分的若干性质及其应用
Some basic relations of hydrostatics were educed with character of exterior derivative.
并利用外微分的性质 ,导出了流体静力学的一些基本关
The neutrino equation under the Robertson Walker metrtic is given and separated by the exterior derivative,which provides a convenient tool for the study of the curved space spinor field.
利用外微分给出了Ｒｏｂｅｒｔｓｏｎ－Ｗａｌｋｅｒ度规下的中微子方程并分离了该方程，为弯曲时空旋量场的研究提供了方便。
The Out-differential Equation of Ideal Fluid in General Theory of Relativity;
广义相对论中理想流体的外微分方程
ultraviolet microscopic absorption spectroscopy
显微紫外线吸收分光术
infrared microspectrometer
红外[线]显微分光仪
infrared microspectrophotometry
红外显微分光光度学
infrared microgas analyzer
红外微量气体分析仪
The Comparison of Senior Middle School Math Textbook between China and Foreign Countries Calculus Part;
中外高中数学教材比较(微积分部分)
Composition of bacterial community related to degrading the exopolysaccharide from the cyanobacterium Microcystis aeruginosa
与微囊藻胞外多糖降解相关的微生物菌群分析
An algorithm for solving nondifferentiable programming on circumscribed rectangular parallelepiped of subdifferentiable
基于次微分集的外接长方体的不可微优化算法
micro-ultraviolet-visible spectrophotometer
微量紫外可见分光光度计
Microdissection and PCR Amplification of Single Chromosome of Lycoris radiata
石蒜单染色体的显微分离及体外扩增
Study on Infrared Spectra Characteristics of Fault Particles of the Sulfide Deposit
硫化物矿床断层微粒的红外光谱分析
Microwave-Assisted Extraction-Ultraviolet Spectrophotometric Analysis of the Burning Residue at Fire Scene;
微波萃取-火场燃烧残留物紫外分光光度分析
Microanalysis of Europium in Solution by UV-VIS Spectrophotometry
紫外-可见分光光度法分析溶液中微量铕
The Technology Spillover Effect on West Bank of Strait--Based on the Micro-Analysis of Enterprises
海西技术外溢效应分析——基于企业的微观分析
Performance analysis and computation for spatial resolving capability of IRFPA micro-scan
红外焦平面微扫描空间分辨性能分析与估算
Build-in Program of Infrared Remote Control CMOS LSI with Micro controller
微控制器应用的红外遥控发射内置程序分析
STRUCTURE AND ANALYSIS OF A COMPACT DEWAR BOTTLE PACKAGE OF INFRARED DETECTOR
红外探测器封装微型杜瓦瓶结构与分析
Determination of Lignin Content in Tiny Panax ginseng by UV Spectrophotometry
紫外分光光度法测定微量人参木质素的含量