fluorocarbonateBNC²³⁶²¹³⁺¹ 例句 A simple quantitative method for X-ray energy dispersive analysis in investigating barium- rare earth fluorocarbonate minerals has been proposed. The reliability of this method has been tested. 本文就钡-稀土氟碳酸盐矿物的研究提出了一种简单的 X射线能谱定量分析方法,对其可靠性作了检验。 cnki