电解金属锰片、锰锭、钢材、锰粉、电解锰相关化工原料。
Dianjiejinshumeng films, manganese 120,000, steel, manganese powder, Dianjiemeng related chemical raw materials.
1982年4月，Shechtman博士向一片铝锰合金发射了一束电子，以便了解晶体的内部结构。
On April 8th 1982 Dr Shechtman fired a beam of electrons at a slice of aluminium-manganese alloy, in order to understand its crystal structure.
产品特点：酵母维生素营养片含有多种维生素、锌、锰、氨基酸等，全面补充营养素。
Product features: yeast vitamin nutrition tablets contain a variety of vitamins, zinc, manganese, amino acids, etc.
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