【摘 要】
：
Prices of light rare earth products in Baotou rose on the full scale in July. Price of lanthana reached RMB 12,000 - 13,000/t, that of ceria RMB 12,000/t, prase
【出 处】
：
China Rare Earth Information
论文部分内容阅读
Prices of light rare earth products in Baotou rose on the full scale in July. Price of lanthana reached RMB 12,000 - 13,000/t, that of ceria RMB 12,000/t, praseodymia RMB 70,000 - 72,000/t, Pr-Nd oxides RMB 52,000/t, neodymia RMB 65,000/t. Despite the hig
其他文献
钻柱升沉补偿装置是补偿浮式钻井平台随海浪升沉的一种装置。本文提出伺服电机驱动绞车进行主动补偿的方案，并设计了模拟控制装置。该装置用PLC将大钩拉力传感器检测的信号与
如今，信息产业高度发展，计算机应用技术也迅速普及，电脑已经逐步深入到人们的生活。因特网的普及日渐迅速，电子交易开始融入人们的日常生活中，网上订货、网上缴费等众多电子交易方
On July the 4th of 2008, in accordance with "Commodities Import and Export Statute of the People's Republic of China", rare earth export quota for ordinary
随着经济的迅猛发展,建筑市场的发展空间也在不断增大。在建筑工程迅速发展的过程中,对建筑工程中测量的精度的要求也有所提高,一些测量精度的仪器的使用改变了建筑施工的面貌。但这些仪器的使用和一些方法的的应用是否正确或符合要求却是个值得思考的问题。我们知道,要正确的应用某些东西它才会给人们带来福利,若使用方法不当将会失去意义甚至对人造成伤害。本文就将对建筑工程精度测量必要性进行研究,以便人们更好地掌控和使
<正>Ministry of Commerce of PRC and China Customs emended and supplemented the prohibited commodities catalogue for the processing trade having been issued and
Global NdFeB magnetic materials industry grows at over20% every year, strongly stimulating the production ofneodymia and Nd metal. In 2005, NdFeB in global mark
1.RE Concentrate The output of RE concentrate in Baotou was 100,000 tons, and sales volume was 70,000 tons in 2003. The production and sales of RE concetrate ke