行业动态

来源 :矿山机械 | 被引量 : 0次 | 上传用户:chengrui12345
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
鄂尔多斯盆地蕴藏2万亿t煤炭由陕西煤田地质局牵头研究“鄂尔多斯盆地聚煤规律及煤炭资源评价”项目,1997年2月6日获1997年国家级科学技术进步二等共。鄂尔多斯盆地聚煤规律及煤炭资源评价,是国家“七五”Ⅰ类科研项目。地跨陕、甘、宁、蒙、晋五省区约40余万km2。在中国煤田 2 trillion tons of coal is stored in the Ordos Basin Shaanxi Provincial Bureau of Coal Geology led the study on the “Ordovician Basin Coal Accumulation Law and Coal Resources Evaluation” project. On February 6, 1997, it was awarded the second-class national science and technology advancement in 1997. Ordos Basin coal accumulation law and coal resources assessment, is the national “seven five” class Ⅰ research projects. To cross Shaanxi, Gan, Ning, Meng, Jin five provinces and autonomous regions about 40 million km2. Coal in China
其他文献
“西方文论史”双语教学是专业教育国际化的必然要求,也是学习国外相关知识和理论的重要方式,还是本土化培养国际型的语言文化人才的必然选择。根据具体教学实践,参考双语教
Circuit net list bipartitioning using simulated annealing technique has been proposed in the paper.The method converges asymptotically and probabilistically to
The object of this paper is to investigate the three-dimensional electromagnetic scattering problems in a two-layered background medium.These problems have an i
世界半导体贸易统计组织(WSTS)日前调降了对2012年全球芯片市场成长率的预测值,由原先的7.6%,更新为2.6%;不过该组织将2013年的芯片市场成长率预测,由原先的5.4%提升为5.8%。
Internationally,uptonow,thestudiesonthemigrationbehaviorsofnuclidesinrockswithcomplexstructureandshapeshavebeencarriedoutondiffe Internationally, uptonow, thestudiesonthemigrationbehaviorsofnuclidesinrockswithcomplexstructureandshapeshavebeencarriedouton
期刊
THE Kangdian region is a middle Proterozoic continental rift basin that extends between longitudes 101°30’and 103°20’. There are a series of sedimentary st
The Late Archean Fuping Group of the Xiaojiao area in Pingshan County, HebeiProvince consists mainly of three metamorphic rock types of supracrustal affinity, i
We made comparison of magnetic property between two loess/paleosol sediments from theBeiyuan section, Linxia and the Shajinping section, Lanzhou. The two secti
在2014年“挑战杯——彩虹人生”全国职业学校创新创效创业大赛决赛中,我院团委卫进东、陈思丹和刘义龙老师指导的《沧州红枣特色产业发展问题及对策研究》、计算机应用工程
THE fine disseminated gold deposits in Yunnan-Guizhou-Guangxi triangle area in S. China occur in thesedimentary rocks and are not relative to magmatism in spac