initial ph value of solution
initial ph value of solution
溶液初始ph值
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The several important affecting factors of photocatalytic degradation, including initial ph value of solution, catalyst quantity and initial concentration of solution, were also discussed.
讨论了影响光催化降解效果的溶液初始酸度、催化剂投加量和甲基橙的初始浓度等几个重要因素。
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