It is studied and tested to determine the trace element of niobium in steel with ICP-OES method: to treat sample and prepare standard solution of niobium with microwave dissolver, to draw ICP correction curve with matrix matching. 研究试验了ICP-OES法测定钢中微量铌元素,采用微波消解仪进行样品处理和制备铌的标准溶液,基体匹配法绘制ICP校准曲线。
Model CS 3 scale eliminator is a kind of chemical product which can rapidly eliminate the blockage occurred in the injection system of injection wells. It mainly consists of scale dissolver, permeating agent and buffering agent. CS3型注水井除垢剂是一种能快速解除注水系统堵塞的化工产品,主要由溶垢剂、渗透剂、缓蚀剂等配制而成。
Requirements for the cross sction in criticality calculation of fuel dissolver 核燃料溶解器临界计算对截面的要求