niap 中文意思是什麼

niap 解釋
美國國家信息安全保障合作組織
  1. After heat treatment, hardness of the coating is greatly improved because of precipitation of niap phase, while the difference of wear resistance between low - p coatings and high - p ones becomes little

    鍍層經熱處理后,由於ni _ 3p的析出使鍍層硬度得以提高;低磷鍍層和高磷鍍層在熱處理后的耐磨性能燕山大學工學博士學位論文差別不大。
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