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- One such crystal is the ruby, which contains trivalent chromium ions dispersed in a matrix of alumina .
这样的晶体有一种叫“红宝石”,它包含的三价铬离子弥散在氧化铝的基体中。 - Removal of chromium ions in an expand ion - exchange bed
用离子交换膨胀床去除铬离子 - One such crystal is the ruby , which contains trivalent chromium ions dispersed in a matrix of alumina
这样的晶体有一种叫“红宝石” ,它包含的三价铬离子弥散在氧化铝的基体中。
Last modified time:Sat, 16 Aug 2025 00:29:56 GMT