论文部分内容阅读
Bolt Supporting of Large-Span Soft Rock Roadway in Shaqu Colliery
【出 处】
:
Journal of China University of Mining & Technology
【发表日期】
:
1998年2期
其他文献
分析了瓷套式避雷器存在的问题,提出了解决的措施.讨论了采用复合外套避雷器的优点,介绍了电力机车用复合外套避雷器的技术性能及设计中考虑的主要因素及避雷器的热机、盐雾
At present, coal is mainly consumed as fuel. In fact, coal is also a kind of precious raw material in chemical industry on the premise that some harmful mineral
[背景]探讨近年来出现的宫颈癌的新特点.[病例报告]对109例宫颈瘤患者的病例资料进行回顾性分析,结果示发病率呈现逐年上升并年轻化趋势,且临床症状及体征不典型.[讨论]进行
一个维的 p-Laplace 方程的解决方案的存在( psi_p ( u “))”= f ( t , u , u “)与暗示的 t ( 0,1 )并且由 psi_p (s)=|s|~( p-2 ) s , s 不=在 u 的 0 使遭到的 toNeumann 边
The Role of Saturated Hydrocarbon in Enrichment of Cu, Pb, Zn in Kupferschiefer, Southwestern Poland
In order to clarify the role of organic matter in the enrichment of base metal, 10 samples of the PermianKupferschiefer from southwestern Poland were analyzed b
下肢深静脉血栓是指下肢筋膜内静脉血栓形成,致血液运行障碍而出现的患肢肿胀及疼痛等症状和体征.因重症监护病室患者自身的特殊性,易发生下肢深静脉血栓,严重时可并发肺栓塞,成为
The article Provides a dynamic model for belt conveyor. Based on the drive-force of conveyor, take-up tension of take-up assembly, gravity of conveyor belt and
大学生是国家宝贵的人才资源,而高校辅导员、班主任是受学校委派到学生班级管理学生学习、生活和思想政治工作的指导老师,是学校学生思想政治工作队伍的重要组成部分,也是大学生
An equation of state (EOS) for high-pressure liquids, I.e., Tait EOS, is deduced according to isothermal compressibility KT=-1/V·((а)V/(а)p)T·.Based