电场强度

最后分析了单位阶跃函数、单个脉冲函数、N个脉冲函数在有损介质中传播时电场强度的波形变化。

The transient responses of electric intensity in a dissipative medium are also discussed for excitation of unit step function . one pulae and N - pulse .

方法本实验以四氢呋喃（THF）和N，N-二甲基甲酰胺（DMF）的混合液为溶剂，调节PLGA溶液浓度、流量及电场强度分别制备了具有不同表面形貌的纤维支架。

Methods With the compound of THF and DMF as the solvent , the PLGA fiber scaffolds with different surface morphology were fabricated via altering PLGA solution concentration , flowing rate and applied electric intensity .

测试了PⅢ800计算机主机及显示器的电磁发射电场强度，并对结果进行了分析。

Then , the radiation emission of P ⅲ 800 and displayer are measured and analyzed .

建立了在单层有机发光二极管中电场强度不太大（E≤104Vcm）的情况下，载流子注入、传输和复合的理论模型。

A model for carriers injection , transport and recombination in single layer organic light emitting diodes was presented .

给出了电场强度和发射电流与几何因子的关系及I－U特性曲线。

The dependence of the field enhancement factor and the emitted current upon geometrical factors are discussed .

户外AIS类型配电区工频电场强度整体水平最高。

The electromagnetic field strength level in the power distribution area of outdoor AIS type is highest .

HTPB推进剂的击穿电场强度随体积电阻率的增加而升高，随介电常数的增加而降低。

The dielectric strength of HTPB propellant increases with increasing volume resistivity or decreasing dielectric coefficient .

计算结果显示，随着外电场强度和量子阱宽度的增大，量子Stark效应变得更为显著。

The theoretical results showed that the Stark effect becomes more remarkable with the increase of the electric field and well width .

结果表明，随外加电场强度的增加，ER液的表观剪切应力增大；随剪切速率的提高，ER液的表观剪切应力反而减小。

The results showed that the apparent shear stress increased with the increasing applied field strength and particles concentration respectively , while it decreased with the increasing shear rate .

考虑频散介质的电磁波传播，引入随频率变化的电位移矢量D，并对电场强度E和电位移D进行标准化。

To study propagation characteristic of radar wave in a dispersive medium , frequency - dependent flux density D was introduced , and electromagnetic field E and flux density D were norma - lized .

数值计算结果表明：抛物量子线中强耦合极化子的基态能量Eo随约束强度ω0的增强而增大，而随电场强度F和量子线长Z的增大而单调减小。

Numerical calculation illustrated that the ground state energy increases with the increasing confinement strength , and decreases with increasing of electric field strength and wire length .

但当电场强度达到35kV/cm时，LF对其的相对抑菌活性分别降为76.6%和82%，当达到40kV/cm后稍有上升。

But as electricity fields strength was to 35 kV / cm , the relative inhibit activity decreased to 76.6 % and 82 % , respectively .

该渗透率与有效应力σ成负指数关系、与温度T成幂函数关系、与电场强度E成正比关系。

The results indicate that coalbed gas permeability is related to the effect stress a with a negative index , to the geothermal temperature T with a power function and proportional to the geo-electric field strength E.

通过数值模拟和结果分析，我们认为在月球的夜面形成的是鞘层C，太阳光子入射到月球的表面的角度对鞘层C的电场强度和电势都会产生比较大的影响。

By numerical simulation and data analysis , we believe that on the night-side of the Moon , sheath C is formed and the angle of photons hitting the Moon has large impact on the electrical potential and electrical field intensity .

本文运用KA模型研究了铁电薄膜的电畴反转特性与外加电场强度以及温度的关系。

The dependence of domain reversal characteristics of the ferroelectric thin film on external electric field and temperature is investigated by using the KA model .

当EMR入射角度为40°时，最高主板表面耦合的电场强度达到最大值；0°入射时，主板上平均电场强度达到最大值；

( c ) The maximum coupled electric field on the motherboard is obtained when the EMR incident angle is 40 ° .

而对于体内成熟卵母细胞，电场强度为1500V／cm，脉冲时程为40、60μs时，效果较好，一次脉冲激活率达85.7%和88.2%；

And 85.7 % ~ 88.2 % when direct current field strength was 1 500 V / cm for oocytes matured in vivo .

基于SiC材料电致发光强度随电场强度增大而增强的特性，提出了一种在线测量发电机定子线圈端部SiC防晕涂层表面电场分布的新方法。

The property that SiC electroluminescent intensity is enhanced with an increase of electric field motivates to propose a novel method for online detection of surface electric field distribution in the SiC stress-grading coating .

本文研究了透光率变化与外电场强度，悬浮体系的浓度，入射光波长，PT微粉粒子的尺寸和形状诸因素之间的关系。

The dependences of this change on the external electric field strength , the suspension concentration , the wavelength of incident light , the size and shape of PT powders were also investigated .

±800kV直流输电线路分裂导线表面电场强度计算

Calculation of Surface Electric Field along ± 800kV DC Transmission Lines with Bundled Conductors

理论研究结果表明：当外加电场强度大于一临界值Ec时，渗透压变为负值，体系发生由液相向固相的转化。

Our results show that the osmotic pressure become negative when the applied field exceeds a critical value E c and then the liquid experiences a phase transition to a solid phase .

通过数值计算方法，我们得到了基态能量和Coulomb束缚参数，抛物线参数以及电场强度参数的关系。

Some numerical results about the relations between the ground state energy and the Coulomb binding parameter , the parabolicity parameter , and electric field strength are obtained .

根据能量守恒定律，推导出串联2-2复合材料中压电陶瓷PZT层上和聚合物PVDF层上的电场强度Ec、Ep。

According to energy conversation law , electric field strength E c and E p of piezoelectric ceramic PZT layer and polymer PVDF layer in the composites were derived , respectively .

原因在于这种介质违反常规介质的特性：介质中的电场强度E、磁场强度H、波矢量K三者之间呈左手关系。

The reason is that the characteristics of this kind medium violate the rules of conventional medium . In this medium , the electric field intensity , the magnetic field intensity and the wave vector quantity assume the left hand relations .

将此测量方法用于1级和3级SiC防晕涂层，实际测量所得防晕涂层各点的电场强度值与理论计算值符合较好，误差均能控制在0.05以内，说明该方法准确度较高。

When the method is applied to one and three orders SiC stress-grading coating , the measured values agree well with the calculated ones on the various spots , indicating the accuracy and reliability of this method .

PE酶活变化与PEF电场强度和脉冲数之间存在良好的线性相关，R2分别达到0.988和0.953。

Relative activity change of PE had good correlation with electric field intensity and pulse numbers , and the values of R ~ 2 were 0.988 and 0.953 , respectively .

CZE的本质特点是整个毛细管内充盈的电泳缓冲液为均质且电场强度相同，待测物根据荷质比不同而被分离；

Fundamental to CZE are homogeneity of the buffer solution and constant field strength throughout the length of the capillary .

仍然采用ANSYS有限元软件对上述的模型进行了有限元的计算，得到了电场强度的最大值及其出现的位置，分析了原因，并且采取了相应的措施减小了最大场强。

Above models are calculated by ANSYS software , and the maximum electric field intensity value and their positions are shown . The cause is analyzed and the corresponding measures to reduce the maximum field intensity are taken .

研究结果表明：悬浮颗粒的体积和形状的相对变化率均与电场强度的平方成正比，并与ER本身的性质有关。

The results of computation show that the relative variational rate of the volume and shape of particles is in direct proportion to the square of electric field intensity , and relates to the character of ER .

将一类色散介质的介电常数写成有理分式函数形式，进而导出FDTD中电位移矢量D和电场强度E之间的关系，形成SOFDTD方法。

The dielectric property of dispersive media is written as rational polynomial function , the relation between D and E is derived in time domain . It is named shift operator FDTD ( SO-FDTD ) method .