简介:ArafuraResourcesLimited’sphase6pilotplanthassuccessfullyproducedneodymium-praseodymium(NdPr)enrichedrareearthchlorideusingmaterialfromitsNolansNdPrProjectintheNorthernTerritory.
简介:介绍东天山地区C级GPS网的布设方案、观测方法和数据处理过程;对该网中不同结点构网的异步环闭合差精度进行了对比分析,对该网高程拟合的方法、过程、结果进行介绍.