Xunwu Rare Earth Corporation has introducedP507 reduction extraction process from Anhui Re-search Institute of Metallurgy to prepare europiumoxide of fluorescen
2016年4月26日,北京铁路局电务系统QC成果发表会在北京西电务段召开,共有20个小组进行了成果发布。其中石家庄电务段《减少300T列控车载设备C2系统问题件数》、《研制ZPW-200
设计了一种基于B/S和C/S架构的高速铁路道岔监测系统,通过C/S架构与下位机通信,处理、分析数据并访问数据库,同时通过B/S架构使数据通过网络展示给所有具有权限的公网上用户
目的 评估Ｉｎ－Ｃｅｒａｍ全瓷修复体的临床效果。方法 用Ａｌｌ－ｂｏｎｄ２树脂粘固７３例Ｉｎ－Ｃｅｒａｍ全瓷修复体。经过１５－３７个月的临床观察。结果 ６４例全瓷单冠无破损、松动、脱落、颈缘密合，无继发龋和龈炎；９例全瓷固定桥中５例矫折
The National Routine Meeting on RE Infor-mation Exchange,co-sponsored by National RE In-formation Network and Information Committee ofChinese Society of Rare Ea
It is a world known fact that China is rich inrare earth resources.Its proven reserves account for75% of the world total,and its rare earth productionhas taken
<正> 1978年8月,湖南辰溪县城郊公社东风大队修边流水大桥时出土剑形铜器一件。此器制作精细,形制特殊(图一)。宽格扁茎,茎上有二圆穿。器身与茎分二次铸,身插入格内,中脊起棱。格、茎两面均有纹饰,格一面为窃曲纹,一面为云雷纹;茎一面为水波纹,一面为云雷纹(图二)。身残长16厘米,格长3、宽4.4、厚2.4厘米,茎残长4厘米。根据形制、纹饰判断,此器应为春秋战国时期的兵器。
A new electrothermal alloy containing 0.1—1.0 wt% yttrium has been developed by Prof.Li Pei andhis coworkers in Baotou Research Institute of RareEarth.This all
With the development in electronic industry,car industry and advancement in high technologies,Fujian Province has made a step forward in applyingrare earth perm
Recently,Shijiazhuang Aluminium Plant andChangchun Research Institute of Applied Chemistry,Academia Sinica,co-developed a new method to pro-duce Al-Si alloy cas