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》2020年第1期16-18,共3页中国稀土信息(英文)
摘 要:Ⅰ.Rare Earth Market.The first quarter Rare earth market was relatively calm in January and February.Affected by the news of the suspension of import from Myanmar,the price of medium and heavy rare earth products was rising gradually since March.While price of light rare earths,especially the price of praseodymium and neodymium,declined continuously for the reasons of insufficient downstream demand and the oversupply.
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:216.73.216.249