The niobium yttrium alloy or tantalum yttrium alloy plates prepared by adding yttrium nitride in niobium or tantalum is characterized by fine grain, good ductility and good consistency of material.
本发明通过给铌或钽中添加氮化钇制成的铌钇或钽钇合金板具有晶粒细化、延展性好、材料一致性好的特点。
Thus, the working procedure of adding the mould can be omitted, and the difficulty and trouble of adding mould plates can be reduced.
这样就省略了加模具的工序，从而减少了加装模板的困难和麻烦。
A new approach of the reducing shedding of positive active mass of lead-acid battery has been studied by adding the composite-additive in the positive plates.
本文研究了复合添加剂对铅蓄电池正极活性物质软化脱落和容量的影响。
A new approach of the reducing shedding of positive active mass of lead-acid battery has been studied by adding the composite-additive in the positive plates.
本文研究了复合添加剂对铅蓄电池正极活性物质软化脱落和容量的影响。
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