查询词典 second boundary value problem

Based on the current continuity equation, using spherical harmonic function expansion, where lower boundary condition is the surface atmospheric electric potential, upper boundary condition is the electric potential of the bottom of the ionosphere, and non-homogeneous current source function of the vertical dipole assumptions is used for the charging of thunderstorms, the state analytical solution of global atmospheric electricity model in lower atmosphere is gotten.

本文从电流连续方程出发，采用球谐函数展开法，边界条件采用下边界为地表大气电势，上边界为电离层底部电势，非齐次电流源函数项采用垂直偶极子假设。

But the change of humid boundaries is not in evidence like the heat boundaries. Before and after 1980, the Subhumid boundary and semiarid boundary move towards west or east by turns.

而干湿界线的变化却不如热量界线变化明显，80年代以前和80年代以后的湿润和半湿润的界线表现为南段东退北段西移。

The two sides of surveillant relationships are different in understanding and holding the boundary of surveillance. The cognition of two sides of surveillant relationships to the boundary of surveillance is subjective.

监控关系双方对于监控尺度的感受和把握是不同的，监控边界的感受带有很强的主观色彩，当监控者的监控程度达到一定的强度，也就是超过了被监控者的监控阈限时，就会产生全景敞视效应。

The concept of boundary condition coefficients is put forward and the influence factors for boundary conditions of short suspenders are determined.

提出了边界条件系数的概念，通过参数分析确定了影响边界条件系数的主要因素。

The internal boundary condition can be used to compute thin slab control rod worth in thermal research reactor. Internal boundary condition has been used to compute the control rod worth in JAERI's JRR-3M, and the results are compared with ones of JAERI.

对通过採用能量相关的內边界条件，在扩散理论的范围內计算薄板型热中子研究堆控制棒价值进行了理论分析，成功地计算了日本原子能研究所JRR-3M的控制棒价值，並与日本的计算结果进行了对比。

It is proved that any n-dimensional(n≥4)compact manifold with totally geodesic boundary which satisfies a pinching condition can be deformed to a space form with totally geodesic boundary.

证明了对于任意一个具有全测地边界的n维紧致流形(n≥4)满足一定的拼挤条件可以形变为具有全测地边界的空间形式。

The broad symbolic significance of the trefoil knot is: science has no national boundary; interdisciplinary study has no boundary; science requires communication among countries; science and art are closely linked.

三叶纽结的广义象征意义是：科学没有国界，各学科之间没有边界，科学是相互连通的，科学与艺术是相互连通的。

The fracture mechanism of totally austenite TWIP steel (steel 5#) is: the moving of dislocations is blocked by twin boundary during deformation. Micro-voids nucleate at boundary of deformation twins by the interaction between deformation twins and dislocations. Micro-voids are formation, growth, coalescence and break by the stress concentration during deformation.

全奥氏体的TWIP钢（如5＃钢）的断裂机制为：形变过程中位错的运动受孪晶界的阻碍，形变孪晶与位错的交互作用使微孔形核于孪晶界处，应力集中使微孔长大、聚合直至材料发生断裂。

The fracture mechanism of the whole austenite TWIP steel (steel 5#) was that the moving of dislocations was blocked by twin boundary during deformation, the microvoids nucleated at boundary of deformed twins by the interaction between deformed twins and dislocations, the microvoids grew, got together and broke by the stress concentration during deformation.

全奥氏体的TWIP钢（2＃钢）的断裂机制为：形变过程中位错的运动受孪晶界的阻碍，形变孪晶与位错的交互作用使微孔形核于孪晶界处，应力集中使微孔长大、聚合直至材料发生断裂。

Experiment of convective drying of wet quartz sands as porous media, which had adiabatic-impermeable boundary of undersurface and convective boundary of upside, was carried out in laboratory.

本文以上边界对流传热传质边界和下边界绝热绝湿边界的含湿石英砂填充床为实验对象，进行了对流干燥实验。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。