ni-co-mn-sn composite oxide coating 镍钴锰锡复合氧化物涂层
Mn and Sn dopants 锰和锡掺杂
The Shanghai economic district is rich in mineral resources of following varieties: mainly Cu, Pb, Zn, W, Sn, Mo, Mn, Au, Ag, REE, Nb and Ta.
上海经济区蕴藏着丰富的金属矿产资源，主要有铁、铜、铅、锌、钨、锡、钼、锰、金、银、稀土、铌、钽等矿种。
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