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Generally, the mechanical strength of the system could be improved in every age by acid activation.
多数情况下，经酸激发可提高体系在各龄期的强度。
The kinetics of preparation active carbon from Yunnan Xianfeng lignite with phosphoric acid activation was studied.
研究了磷酸一步炭活化云南先锋褐煤的炭活化动力学。
The optimal scheme was ascertained as flows: alkaline wash-diluted hydrochloric acid activation-acidic copper plating-replacement silver plating.
确定了最佳方案：碱洗—稀盐酸活化—酸性镀铜—置换法镀银。
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