Modify
发表于 2025-4-1 03:01:35
http://reply.papertrans.cn/63/6258/625797/625797_61.png
nutrition
发表于 2025-4-1 08:11:59
http://reply.papertrans.cn/63/6258/625797/625797_62.png
造反,叛乱
发表于 2025-4-1 10:19:41
http://reply.papertrans.cn/63/6258/625797/625797_63.png
变形词
发表于 2025-4-1 18:02:30
http://reply.papertrans.cn/63/6258/625797/625797_64.png
enmesh
发表于 2025-4-1 21:49:14
Synthesis of Hydroxyapatite by Wet Method: Effect of Acid Solution Concentration on Powder Granulomoric acid H.PO. under atmospheric conditions and reduced time aging. The Ca/P molar ratio of the reagents was 2.0. The concentration of the solution of phosphoric acid influences the pH of the mixture and particle size distribution of solid products. When the Ca(OH). solution was neutralized with co