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...
标题使用粗黑字体，显著的成就要用着重号标示。Use bold type for headings and bullet points for noteworthy achievements.这种机器能够识别手写字体，并将其转化为打印文本。The machine can recognise hand-written characters and turn them into printed text.正文一律用小写字体。The text ...
出口商品不需要交购买税。Purchase tax was not payable on goods for export.他亲口承认自己在佛罗里达从事房地产投机生意时逃过税。By his own admission, he evaded taxes as a Florida real-estate speculator.毕业税具体操作起来不啻一场行政噩梦。In practice a graduate tax is an administ...
青少年的恒牙和儿童的乳牙,因其髓角位置高不宜作嵌体,以免损伤牙髓.Young permanent tooth and deciduous tooth which have high pulp horn.在牙齿发育的过程中,牙髓组织显得非常重要.The pulp is important during a tooth's growth and development.目的观察牙周牙髓联合病变的治疗效果.Objective To ...