场强度

The approximate structure of nonlinear action of climatic atmosphere and ocean is: the nonlinear action decreases usually with increasing latitude, which is related to the role of the Coriolis force in fluid motion; the nonlinear action changes with the anomalous cyclonic or anticyclonic circulation shear, for instance, when the strength of anomalous eastward zonal circulation is comparable to that of anomalous meridional circulation, the nonlinear action is the strongest; wind stress plus gradient forces enhance the nonlinear action, etc..

气候海洋与大气非线性作用的大致结构是：通常与科里奥利力对流体运动的规范作用有关，非线性作用随纬度增加而减弱。距平流场的切变结构及其沿经向与纬向上强度的比较直接改变气候大气和海洋的非线性作用(比如，向东的距平环流强度与经向环流强度相当时，非线性作用最强)，较强的外部驱动使非线性作用加大等等。

We calculate the field distribution near focus of an aplanatic system for incident ASPBs with different polarization orders and initial azimuthal angles, and based on the simulation results, we find some unique focusing properties of the beams, such as ever on-axis energy null, strong longitudinal field, and flowerlike intensity distribution at focus.

计算了不同偏振级次和偏振初始角的轴对称偏振光束当入射到无球差系统时在焦点附近的场分布，通过这些模拟结果，发现了该光束一些独特的聚焦特性，例如光轴强度始终为零、具有较强的轴向光场以及在焦点附近场呈现花瓣状分布等。

It is verified that a proper magnitude of linear to loop current ratio will results an omnidirectional circular polarized wave with same pattern for all transverse electromagnetic field in the far field but not in the near field or vise versa.

验证适当强度比例之线电流与环电流可在远场辐射四方均匀之圆形极向波，且所有横向电磁场之瞬间场形均相同，但在近场则否，或反之亦然。

Numerical Simulation of Flow Field in Pulsating Fluidized Bed Under special entry conditions, the CFD is used to simulate the three-dimension fluidized bed with different oscillation intensity and frequency in order to research the effect of sound oscillation on flow field in the fluidized bed. The results indicate that the sound oscillation can make the distribution of the flow field more uniform and can promote the heat and mass transfer.

脉动流化床流场模拟在特定的入口条件下，应用计算流体力学技术对三维流化床在不同振动强度、不同频率扰动作用下的流场进行模拟，得到声波扰动对流化床流场分布的影响，结果表明声波振动可以使流化床内的流场分布更加均匀，促进热质传递。

And the perfect Q-vector was applied to diagnose a heary rain process for August 3～5, 1996. The results showed that there were more advantageous using the perfect Q-vector, and suggested that the perfect Q-vector could clearly reveal the system development of the heary rain; the divergence center or line, the divergence field and the frontogenesis function field of the perfect Q-vector could be used to locate the heary rain area; the center magnitudes of the perfect Q-vector divergence field and the frontogenesis function field could be signified the intensity of the heary rain.

结果表明，完全Q矢量能较清楚地揭示暴雨天气系统的演变；考虑了湿过程的完全Q矢量在暴雨的诊断过程中显示了其更大的优越性；定性而言，完全Q矢量散度的辐合中心或辐合线、散度场和锋生函数场有助于确定暴雨的落区，暴雨区正好落在低层完全Q矢量散度场辐合中心和锋生函数场正值中心之间；定量而言，低层完全Q矢量散度场辐合中心和锋生函数场正值中心大小对暴雨强度有显著的指示作用。

It is shown, for the first time, that the pairing strength of the neutron, Gn, increases dramatically around the magic number N=82, while for the proton it is strongly related to the odd-even difference of the neutron number.

在相对论平均场框架下系统地研究了稀土区同位素链的对力强度，首次发现了中子的对力强度 Gn在中子幻数N=82处突然增大以及质子的对力强度 Gp和中子的奇、偶性有关的特性，证明了对力强度本质上是和核的壳层结构紧切相关。

It was shown that TAPP and its metalloporphyrin complexes all had good photoconductivity. The surface photovoltage response in tensity of Soret band and Q band were enhanced with an external positive electric field and weakened with a negative electric field, and possessed the characteristic of p-type semiconductor.

并研究了这些卟啉化合物在不同外加电场条件下的表面光电压谱，结果表明，TAPP及其金属配合物都具有良好的光电性能，且其Soret带与Q带的光伏响应强度随外加正电场光伏响应强度的增加而增强，随外加负电场光伏响应强度的增加而减弱，具有P-型半导体的特征。

The simulative model of temperature field and stress field in concrete , Heat and moisture coupling、Parallel simulative calculation of concrete with water pipe cooling、 Parallel feedback analysis of thermal characteristic parameters, and stress intensity factor of induced joint, which are the sixty-four-dollar questions, are studied in this dissertation. The main contents of this dissertation are as follows:(1)Based on the past and current research work, the calculation theory of the transient temperature field and creep stress field of mass concrete which self temperature influence is considered is deduced. The couple effect between the temperature field and humidity field of concrete, is considered on the basis of conservation law of water and energy, and the coupled formulation which coefficient is not constant of the heat and moisture in concrete is deduced. The calculation theory and model which is theoretically strict for solution to thermal problem in concrete with water-cooling pipes are recommended.

本文主要针对混凝土的温度场应力场仿真计算模型、热湿耦合、水管冷却问题的并行仿真、混凝土温度参数并行反演分析以及诱导缝应力强度因子计算等混凝土大坝温度应力数值仿真的关键技术进行了较为深入的研究，全文主要内容如下：(1)在现有研究基础上，推导了考虑自身温度影响的混凝土非稳定温度场和徐变应力场的计算理论；基于水分质量守恒和能量守恒原理考虑混凝土温度场和湿度场的耦合作用，推导了混凝土的变系数热湿耦合方程，并建立了相应的计算模型；引用严密的水管冷却混凝土温度场的计算理论和计算模型，比较了两种简化计算方法用于水管冷却混凝土仿真计算的不足。

Our theory predicts the minimum value of ponderomotive parameter and the corresponding critical laser intensity, below which no diffraction can occur; 6, We studied the energy transfer of a two-level atom moving in a cavity field, as well as its influence on the atomic emission spectra and on the photon distribution of the intro-cavity field.

我们用两对激光模来模拟紧聚焦的高斯光场，成功地得到了《Nautre》上Batleaan等人的实验观测结果，预言了有待实验进一步观测的新现象，并确立了发生电子衍射的激光场的临界强度； 6，研究了原子在激光场中运动时光场与原子之间的能量交换，以及这种能量在光谱上的反映和对激光场统计性质的影响。

Combination with the practice of domestic aluminium production industry, the 3—D current distribution, magnetic flux density, electro—magnetic force, melt flow velocity field of three diffrent cells, that is, 80KA Soderberg cell with vertical stub, 155KA prebake cell, 160KA prebake cell were computed and the related computer—simulated pictures were drawn by use of the softwares we made.

本文利用电流分布、磁场、电磁力场和流场的计算软件，结合我国生产实际计算了80KA上插自焙槽，155KA预焙槽，160KA预焙槽三种不同槽子的三维电流分布，槽内磁感应强度，熔体中电磁力场，熔体流速场，绘制了相应的计算机仿真图，为了增加计算软件的可靠性、用铁棒法测定了80KA上插自焙槽，155KA预焙槽的铝液流速，测定值与计算值符合较好。

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。