2.Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.
阐述钨酸钠液中除硅、磷、砷的原理,并提体的操作工艺。
3.Objective To discuss the manifestations of neuropsychic disturbance and neuroprotenial abnormality resulted from acute arsenic poisoning.
目的探讨急性砷中毒致神经精神障碍与神经电生理异常的临床表现,提高急性砷中毒在临床工作中的认识。
4.The by-product arsenic compound obtained by this method can be used as the clearing agent and decolorizer for the glass industry.
所得副产品含砷化合物可作为玻璃工业的澄清剂及脱色剂。
5.Most pharmaceutical glass melting of arsenic, antimony is still used as a clarificant, and also introduces the oxidation of lead or cadmium oxide.
目前多数药玻璃熔制尚砷、锑作为澄清剂,有的还引入氧化铅或氧化镉。
6.The effects of different concentrations of arsenic on spore germination and rhizoid and prothallium growth of Pteris vittata under aseptic condition were studied.