The passivation process for tinplate has been improved according to the modern passivation theory and satisfactory result has been achieved in its application in fruit and vegetables can.
这种改进了的 电 镀锡板对于一些腐蚀性很强的果蔬罐头应用获得了抗蚀效果。
It is described that the innovatory technology of selective diffusion and study on surface passivation in theory for crystalline silicon solar cell.
本文的主要内容是介绍晶体硅太阳电池选择性扩散新工艺和表面钝化的理论研究。
Now we have no comprehensive concept on it, which makes the topic outdated, process management absent, effects weak, break the connection of theory and practice and lead to knowledge passivation.
但是，我国当前对本科毕业设计的认识不清，使本科毕业设计的选题陈旧、过程管理缺失、效果弱化，造成＂学＂与＂用＂的断裂以及知识的钝化。
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