锰及其化合物中毒 Manganese and its Compound Poisoning
锰及其化合物 Mn and its Compounds
锰及其化合物的毒性效应 Toxic effect of manganese and its compounds
鹅卵石主要化学成分是二氧化硅，其次是少量的氧化铁和微量的锰、铜、铝、镁等元素及化合物。
The main chemical components of the pebbles are silica, followed by a small amount of iron oxide and manganese, copper, aluminum, magnesium and other elements and compounds.
对电池工业中应用的锰化合物的应用情况、生产现状及质量标准进行了分析，并就电池用锰化合物的研究现状及发展前景进行了阐述。
This paper describes the application, production and quality of the manganese compounds used in battery industry. Comments have been made upon the research situation and prospects of these compounds.
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