场强

A low intensity laser DNA molecule model is adopted;entropy of poincare map of this model is calulated and then entropy curve of this system with intensity of laser is illustrated.

本文用数值分析方法计算了"低强度激光－DNA分子"系统关于激光场强的熵变；验证了随激光场强的增加系统产生"阵发性"混沌

The traditional separation of variables method is used to get the solution of SEW electric-fields when the parameter of the media changes abruptly.On the basis of these,WKB method is used to get the solution of SEW electric-fields when the parameter of the media changes gradually.

运用传统的分离变量法得到了媒质参数突变情况下球面电磁波场强的分布，在此基础上，模仿WKB方法推导出了媒质参数渐变情况下球面电磁波的场强分布。

From the formula for the field strength of a point charge,by means of the transformation of the field strength tensor in the special theory of relativity,the laws of electrostatic field and magnetic field of steady current s are derived in this paper to give the students a better understanding of the consistency of electric field and magnetic field.

从点电荷的场强公式出发，根据狭义相对论中场强张量的变换，推导出了静电场和稳恒电流磁场的诸定律，使学生对电场和磁场的统一性有了更为深刻的认识。

This paper intends to analyze influence of cylinder conductor for uniform electric field,and explains that the reason of easy breakdown of condenser with semicircle cylinder jut is that the electric field strength of the bulgiest position is two times as much as that of position far from the cylinder jut.

分析了柱形导体对均强电场的影响并以此为依据说明了有柱形凸起的高压电容器易击穿的原因是最凸部场强为远离凸部场强的 2倍。

With the analytical method, a weak anchoring and planar alignment nematic liquid crystal cell,whose substrates have different anchoring strength, has been studied(This is named dissymmetric NLC cell).

用解析方法研究了上、下基板锚定强度不同的弱锚定沿面排列向列液晶盒，给出了指向矢倾角θ满足的方程和边界条件，讨论了它的解，导出Freedericksz转变的阈值场强和饱和场强。

If the field intensity is lower than predefined first threshould, the reduced speed rate of the received field intensity incurrent network mesh is determined.

如果当前网孔的接收场强小于预定的第一门限，将确定当前网孔中接收场强减弱的速率。

By changing the photosensitize concentration of C60and TNF,material s environment temperature,and applied electric field,the material s photoconduction is studied,finding out that the materials photoconduction is direct proportion to temperature,increases by the photosensitize concentration and applied electric field,contrasting the photoconductive of PVK+C60and PVK+TNF.

通过改变聚乙烯咔唑中光敏剂C60和TNF的浓度，材料体系的环境温度，以及外加电场场强的大小等，对材料体系的光电导效应进行了分析，发现材料的光电导具有正的温度系数，随光敏剂含量和外加电场场强的增加而增大，对PVK+C60和PVK+TNF的光电导进行了对比。

The results show that the ponderomotive force of high-power microwave would affect the dispersion,make the distribution of microwave different from Bessel distribution,and drive the plasma to the region where the microwave field is lower.

结果表明高功率微波的有质动力将影响微波色散特性，使微波场强分布偏离Bessel分布，并对等离子体有排开作用，当场强足够大时可将波导中心处等离子体排空形成低密度通道。

In part two, Writer analyses the electric field with catalyst theorically. The results show: The most intensive electric field of pellets in the electric field occurs at the two ends along electric field, and the larger the dielectric constant, the more intensive the electric field.

第二部分，对有催化剂情况下的电场分布进行了较为详细的理论分析，结果表明：电场中的催化剂小球表面沿电场方向两端部场强最强，并且表面场强随催化剂介电常数的增加而增加。

The use designs the digital cocurrent current supply and the probe head removable intelligence magnetic field measuring instrument to the Helmholtz coil magnetic field key point is the spool thread magnetic field strength survey, drew up the actual field intensity and the theory field intensity graph, has confirmed the magnetic field principle of superposition.

利用所设计出来的数字直流电流源与探头可更换的智能磁场测量仪对亥姆霍兹线圈磁场重点是轴线磁场强度的测量，绘制出了实测场强与理论场强的图表，验证了磁场叠加原理。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。