By using a complex function method in this paper, the complex form of J-integral of mixed mode crack tip for unidirectional plate of linear-elastic orthotropic
我们的活动室设立了一个养殖角,有龙虾、螃蟹、泥鳅、金鱼、乌龟、甲鱼等十余种。小朋友对这些小动物很感兴趣,每天来园后就忙着换水、喂食。为防止小朋友误伤它们,我对孩子
This paper considers the stability of the Burgers shock wave solution with respect to infinitesimal disturbance.It is found that the Burgers shock wave is asymp
以徐薯22作为对照,通过7个高淀粉甘薯品种的品种筛选试验,探讨适应阜阳地区栽种的甘薯品种。结果表明,商薯19、阜薯24和阜阳市农业科学院高代品系阜薯07-8-6等3个品种的鲜产
The finite analytic method (FA) developed in the last decade is an effective numerical method for solving fluid flow problems. However, because of the limitatio
In this paper, based on the generalized variational principle of plates, the buckled states of rectangular plates under uniaxial compression are studied by use
In the present paper the concept and properties of the residual functional in Sobolev space are investigated. The weak compactness, force condition, lower semi-
活动室的门被轻轻地推开了,园长领着一个胖胖的小男孩笑盈盈地站在门口。哦,他就是新来的小朋友玉玉。“玉玉快进来吧,马上就要上课了。”我微笑着走过去。玉玉突然把两只小
教案教学要求: 1.在玩沙的过程中,让幼儿感知沙的特点——松散细小,并知道其用途。 2.促进幼儿视、听、触等感官的发展。教学准备: 1.大沙盘六个。(用消毒过的细沙) 2.玩沙的
为了解生物有机肥在池州市早稻上的应用效果,对生物有机肥在早稻上单一使用和与化肥配施的产量效应均进行了考察。结果表明,在化学肥料减少50%用量的前提下通过施用生物有机