secondary drying 中文意思是什麼
secondary drying
解釋
二沖-
The results show that all of them have little different effect on the crystalline size of ultrafine powder of a - ahc ^, but they have greatly different effect on the secondary partical size. the azeotropic distillation is the most effective processing, it can prevent the formation of hard agglomerates and improve the sinter - ability of powder. the mechanism of drying stages preventing the formation of hard agglomerates has investigated
研究了三種不同的乾燥方法（直接乾燥法、酒精置換乾燥法和共沸蒸餾乾燥法）對粉體性能的影響。實驗表明三種乾燥方法對- al _ 2o _ 3粉體的一次粒徑的差別性影響不顯著，而對其二次粒徑的差別性影響則很顯著。
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