论文部分内容阅读
关于热液矿床成因的主要问题
【出 处】
:
国外矿床地质
【发表日期】
:
1995年4期
其他文献
针对石圪台选煤厂原煤水分大,矸石泥化严重,原煤筛分效率的低的问题,在分析了影响筛机筛分效率各种因素的基础上,研究了制约石圪台选煤厂筛分效率提高的主要因素,提出了试用
This paper deals with the limit analyses of perfect rigid-plastic continua.Based on thekinematic theorem of the limit analysis theory,a mathematical programming
<正> 缪天荣教授研制的《标准对数视力表》经中华人民共和国卫生部批准,已正式定为国家标准(GB 11533—89),于1990年5月1日起在全国实施。《标准对数视力表》的五个标准是:1
A robust iterative method suitable for the numerical simulation of high angle-of-attack vortex flowsis established based upon the multiple line-vortex model(MLV
Coherent structures and the bursting phenomena in the wall region of a turbulentboundary layer play a very important role in determining the characteristics of
在32只家兔的延髓头端腹外侧区(rVLM)记录到具有自发放电活动的血压相关单位57个。在以去甲肾上腺素(NE)抗硝普钠所致的低血压过程中,49个单位(85.9%)放电受到抑制(抑制反应单
The fundamental solutions of the orthotropic thick plates taking into account the transverse sheardeformation are derived by means of Hrmander’s operator metho
考虑了一个具有中度正则变化服务时间的G/G/1模型.假设Q(t)是排队长度,则在忙期[0,l]上,Q(t)下方所扫过的面积也具有中度正则变化的性质.
A unified damage and fracture model,the combinatory work density model,which is suitable for ei-ther non-cracked body or cracked body has been suggested.In the
Based on the study on the Mach reflection of a solitary wave in [3] , we continue to investi-gate effects of the boundary layers on the bottom and the vertical