检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
出 处:《China Rare Earth Information》1989年第2期2-2,共1页中国稀土信息(英文)
摘 要:A massive deposit of RE-minerals wasdiscovered recently in Mianning County,in the southwest of Sichuan Province,China.Baotou Research Institute of RareEarth has been asked to carry out feasi-bility study involving mineralogicalstudy and ore processing.The ore body consists mainly of bast-nasite with small amount of parisite,chevkinite and xenotime.Besides,miner-als of lead,molybdenum and bismuth
关 键 词:BISMUTH molybdenum MINER Baotou asked DRESSING SOUTHWEST SOUTHWEST body CARRY
分 类 号:TD865[矿业工程—金属矿开采]
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:18.119.139.22