Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.
阐述了钨酸钠溶液中除硅、磷、原理,并提出了具体
操作工艺。
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According to recent studies, among the new sources of substances that appear lethal to even resistant bacteria-yet may be safe for human consumption-are insects, seaweed, the mucus on young fish, arsenic-rich dirt in Ireland and even Martian soil.
根据最近研究,在一些新
物质来源
,昆虫、海藻、小鱼身上
黏液、爱尔兰富含砷
泥土,甚至是火星土壤,这些物质即使对具有抗药性
细菌来说也是致命
,但对人类来说
能是安全
。