cotunnite是什么意思

用法例句

Research of the Pyromorphite Reservation with PMMA;

磷氯铅矿保存至PMMA中的工艺研究

Gemological Characterization of the Rare Mineral-Pyromorphite in Guangxi and the Research Ofusing Pmma to Reserve It;

广西磷氯铅矿的宝石学特征及其观赏性保存

The results indicate that inorganic matters are clearly identified as major components,among which cerussite is most abundant in content and pyromorphite is next and with a little quartz.

结果表明,其主要成分为无机物,以碳酸铅最多,其次为磷氯铅矿,另含有少量石英;有机物含量则非常低,可能为油脂。