Look at basic acids, bases, and salts. Understand the definition for use in chemistry. Explore the concept of equilibrium and how (when aqueous) basic acids, bases, and salts react.
学习酸，碱和盐的基础知识。理解在化学中对它们的定义。研究平衡的概念并了解简单的酸，碱，盐(在水溶液中)如何反应。
The effects of oscillation equilibrium time (or flow—rate), pH of aqueous phase and the foreign ions on the extraction were examined.
考察了振荡平衡时间（或流速），水相的酸度和干扰元素的影响。
The effects of oscillation equilibrium time (or flow-rate) and the ph of aqueous phase on the extraction were examined.
考察了振荡平衡时间(或流速)、水相的酸度等的影响。
The effects of oscillation equilibrium time (or flow-rate) and the ph of aqueous phase on the extraction were examined.
考察了振荡平衡时间(或流速)、水相的酸度等的影响。
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