vector potential

Development of food-grade vector is the key point to exploit the potential application of bacteria.

构建食品级载体是开发乳酸菌潜在应用价值的关键.

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To solve time-harmonic electromagnetic field, the cylindrical wave function expansion for vector potential is derived.

对于时谐电磁场, 推导出矢势的柱面波函数展开式.

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At first, the three-dimensional vector potential and vorticity function are introduced, and the vector potential and vorticity equations are obtained in the case of arbitrary variation between density and temperature of water.

本文应用三维矢量势和涡函数，导出了水的密度和温度之间任意变化情况下的矢量势和涡方程。

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Electrostatic and magnetic vector potential. Properties of dielectrics and magnetic materials.

静电学和向量磁位、二极体和磁性材料的性质.

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The Second_order Vector Potential Due to an Arbitrary Current Dipole in Spherical Coordinates

球坐标下时谐电偶极子的二阶矢量位

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On the Divergence Expression and the Boundary Value of Modified Magnetic Vector Potential

修正矢量磁位的散度及其边值问题

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In this paper, a general method of three dimensional vector potential solution for nonlinear magnetostatic field problem by means of the finite tetrahedral element method is presented.

本文给出了用有限四面体单元计算三维非线性恒定磁场的一般过程。

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General expressions of the magnetic vector potential for multipole fields are derived.

推导出了用多极场空间谐波函数表示的磁矢位的通项表达式.

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A-φ method was used for eddy current field analysis, and based on magnetic circuit analysis and Faraday law of electromagnetic induction, coupled field-circuit equation was derived, which was expressed by magnetic vector potential A and the parameters of the equivalent circuit.

采用复矢量磁位-复标量位（A-φ）法计算涡流场，同时基于磁场分析和法拉第电磁感应定律得出了矢量磁位（A）与等效电路参数的耦合方程。

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For a steady current-carrying tightly wound thick-wall solenoid with a finite length, the expression of vector potential is derived by using the method of cylindrical function expansion.

对于通以恒定电流的有限长厚壁螺线管，用柱函数展开法推导出矢势的表达式，再根据磁感应强度与矢势的关系式得出磁场的积分形式表达式。

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Resistance potential of malaria vector Anopheles anthropophagus to deltamethrin

疟疾媒介嗜人按蚊对溴氰菊酯的抗药性潜力

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By the use of vector potential A and scalar potential φ, a generalized form of Biot-Savart and Coulomb's Law is given, and the magnetic field B and electronical field E of helix are achieved.

利用矢势A和标势φ推出了毕-萨定律和库仑定律的一种广义形式，并应用它计算出了通电螺线管的磁场B和电场E。

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According to the vector-potential of the constant current, the vector potential of the loading current circular coil and the series expression formula of the magnetic field are derived.

根据稳恒电流的矢势，导出载流圆形线圈的矢势和磁场的级数表达式。

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this indicates that there is more profound physical meaning of the gradient vector potential of electromagnetic field.

因此，它表明电磁场的梯度矢势具有更明显的物理意义。

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Conformal mapping with special boundary conditions to solve the electrostatic fields, electric potential field in three-dimensional space using the inverse radius vector method gives power to deal with such issues as law and the strict mathematical solution. 3.

保角变换解决具有特殊边界条件的静电场问题，利用三维空间场电势的逆矢径方法给出电像法以及处理此类问题的严格数学解法。

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Sub-vector model of DEA method was adopted to measure the technical efficiency and scale efficiency of the irrigation districts and regions before the utmost water-saving potential was estimated.

选用DEA方法的分向量模型分别度量了陕西大型灌区和各市的灌溉水规模效率和总技术效率，估算了各灌区和各市的农业节水潜力。

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for the later, the s-wave bound solutions of both dirac equation and klein-gordon equation are given when the scalar potential is equal to the vector potential.

对于后者，在矢量势和标量势相等的情况下，我们给出了其Klein-Gordon方程和Dirac方程的s波束缚态解。

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Analysis of Compatibility between the Principle of Charge Conservation and Vector Potential A and Scalar Potential in the Electromagnetic Field of Homogeneous Media

电荷守恒原理与均匀介质中电磁场矢势A和标势φ的相容性分析

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The distribution of magnetic flux of track eddy current braking device is calculated by using vector potential method.

采用矢量位A法对线性涡流制动装置的磁场分布进行了有限元理论计算。

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From Maxwell equations for free space and by converting the amplitudes in Fourier expansion of the vector potential into operators according to quantisation correspondence, this paper obtains Hamiltonian operator, which quantises the electromagnetic field, and introduces the number state representation for the field.

本文从真空中麦克斯韦方程组出发，通过把矢势的Fourier展开式中的振幅按照量子化对应化为算符，得到了哈密顿算符，从而实现了电磁场的量子化，同时给出了电磁场的数态描述。

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The boundary value problem on the magnetic vector potential A is derived by introducing the magnetic vector potential A and using Maxwell's equations.

通过引入矢量磁位A并利用麦克斯韦方程组推出了以矢量磁位A为求解对象的边值问题。

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