查询词典 second boundary value problem

Finally, to get the exclusive solution of a certain structure, the realization technology of electric and magnetic boundary conditions, as well as the quasi-periodic boundary condition is studied.

最后，对确定的高频结构，为了得到唯一确定的电磁场解，对基于有限积分理论的电边界、磁边界以及周期结构的准周期边界的数值实现技术进行了研究。

By analyzing the results of simulation and experiment, a series of new phenomena were found. There is an inner boundary within the rotational flow field of cyclone. The velocity head is zero on the inner boundary.

通过对仿真结果的分析，并结合试验数据，揭示出一系列新的现象，主要归纳为：旋风分离器内的旋转流场中存在一内边界，其速度头为零。

This article gives an overview of the early development and recent progress of the study of grain boundary relaxation by Chinese scientists, ranging from, the invention of the torsion pendulum for internal friction measurement to the discovery of a critical temperature for the grain boundary relaxation.

后者包括澄清了关于晶界内耗峰来源的争论，揭示了晶界弛豫具有一个临界温度，从而提出了一个适合于各种温度的综合的晶界模型。

Results showes that the suitable quantity tin can not appeared crystal boundary, and RE phase segregation reduced the tendency of intergranuiar corrosion, current efficiency of anode increased recessive quantity tin appearat crystal boundary with Sn phase, and can not improve the performance of aluminum anode. aluminum alloy, saciiiicial anode, electrochemistry performance, microstructure, tin

本文分析锡含量不同的铝基牺牲阳极的金相结构和电化学性能，阐述合金元素锡对晶粒尺寸、第二相数量、主要第二相组成、电化学性能的影响及铝阳极组织与性能的关系，以及电流效率损失的原因。1实验1.1铝合金熔炼 1号、2号和3号铝合金分别为m一5Zn一0.05In—lMg一0.3RE、舢一5Zn—O.05In一0.1sn一1Mg一0.3RE和m一5Z

The measurements in the ship tank and the wind tunnel show that there are no obvious differences between the mean profiles of turbulent boundary layers at the rigid wall and the compliant wall, but the turbulence intensity of the turbulent boundary layer near the compliant wall is higher than that near the rigid wall.

中文摘要：船池和风洞的热线热膜测量表明，刚性表面和柔性表面湍流边界层的平均速度型无明显差异，但柔性壁面的湍流边界层的壁面附近有较高的湍流强度；两者的相干结构有明显的不同特征。

The strain field normal to the boundary plane and the excess grain boundary volume are calculated and compared with the results obtained using the embedded-atom method .

在这项工作中，我们计算了垂直于晶界平面的法向应变场和晶界的过剩体积，并且与嵌入原子法所得到结果相比较，得到基本一致的结果。

The interlayer strain normal to the grain boundary oscillates with increasing distance from the boundary plane.

我们发现晶界法向原子层间距应变表现出衰减振荡的趋势，远离晶界的原子层间距逐渐趋向于体相的值。

Boundary layer flow state of the relationship between how much air power, especially the emergence of boundary layer separation, or

就会分离。附面层内的流动状态如何与空气动力关系极大，尤其是附面层出现分离后，升

This article analyzed the end forms of Uyghur sentence, and studied the sentence boundary detection rules, presented the method of sentence breaking, then designed Uyghur sentence boundary detection algorithm and program.

本文分析维吾尔语的句子结束形式，研究维吾尔语句子边界规则，给出了句子划分思路，并实现了维吾尔语句子边界识别算法及程序。

Pitting corrosion developed continuously by means of self-catalysis owing to the existing of passive-active cell in pitting corrosion hole. The Al2Cu phase was found on the grain boundary, and a poor Cu element area was observed nearby grain boundary.

在蚀孔内形成了钝化-活化原电池，使点蚀以自催化的方式不断发展。L401合金中α-Al相在吴占军西安理工大学硕士论文晶界析出A12Cu，在晶界附近产生贫铜区。

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。