A two - step process has been developed to recover cobalt from arsenite ores.为了从亚砷酸盐矿中回收钴,开发了二段工艺.The absorption reactions of goethite and its precursors on arsenite were studied.观察了针铁矿及其前体对溶液中亚砷酸根离子的吸附过程和吸附性能.Copper ars...
It'suddenly dawned upon her that Bertha's indisposition was assumed.她突然心生一念:伯莎的病是假装的!If have indisposition or have any problem again with I rerpond.如果有任何问题或不舒服再跟我反应.I felt a certain indisposition to face realit...