催化可以是均相的，也可以是多相的。

Catalysis may be either homogeneous or heterogeneous.

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催化可以是均相的，也可以是多相的。

Catalysis may be either homogeneous or heterogenous.

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结果表明，酸度、 温度、 浓度和复合比影响PAA/PAM的复合水溶液中大分子链的构象和流体力学体积，适度的氢键作用可以形成均相的复合溶液。

The results showed that formation and hydrodynamic volume of complex solution are influenced by the acidity, temperature, concentration and weight ratio of PAA/PVA complex solution.

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