1·The structure and shape of magnesia base catalyst-sorbent before and after denitrification were characterized by XRD and FT-IR.
利用红外光谱、X射线衍射对脱硝处理前后的氧化镁基催化吸附剂进行了分析，探讨其脱硝的机制。
2·A substance such as magnesia or sodium bicarbonate that neutralizes acid.
解酸剂，抗酸剂，防酸剂一种中和酸的物质，如氧化镁或碳酸氢钠。
3·ConclusionThis is a good method that can prepare nanometer magnesia particles with free-agglomeration.
结论该方法是一种很好的制备无团聚纳米氧化镁粒子的方法。
4·The dolomite is calcined to form the mixture of calcium oxide and magnesia, then the mixture is extracted by ammonium chloride solution and ammonium sulfate solution respectively.
通过对煅烧后的白云石中所含的氧化钙和氧化镁，分别采用氯化铵溶液和硫酸铵溶液进行浸提，使其中的钙、镁得到较好的分离。
5·This paper has summarized the Sol-Gel technologies of preparation for nanometer magnesia powder in the recent years, and the development of this method was discussed in details.
对近年来以溶胶-凝胶法制备纳米氧化镁粉体的几种工艺进行了总结比较，并展望了该法的发展前景。