砷的

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、砷理,并提出了具作工艺。

Cacodylic acid, or sodium cacodylate is an arsenical compound and popular crystallization buffer and is not compatible with reducing agents.

二甲胂和 二甲胂酸钠是结晶中常使用含砷化合物，它们不能与还剂共同使用。

Sulfide ores with BaSO4 as the main gangue , two kinds of slags , speiss and As-Cu alloy have been identified.

在还熔炼中添加了砷矿物，冶炼最产品是砷铜合金，还熔炼产生砷冰铜（黄渣）等副产品中铜通过返料作在冰铜熔炼工序得以回收。

We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.

通过研究，可以看出以还为主富含有机质湖沼相沉积、特定地质、地形条件为地下水砷异常因。

The effects of different concentrations of arsenic on spore germination and rhizoid and prothallium growth of Pteris vittata under aseptic condition were studied.

研究无菌条件下不同浓度砷对蜈蚣草孢子萌发、假根和叶生长发育影响。