胶体铜催化丙烯腈水合制备丙烯酰胺反应的突出催化特征是高选择性。
The special characters of copper colloidal catalyst is the high selectivity in the reaction of hydration of acrylonitrile to acrylamide.
哮喘个体也增加了气道对乙酰胆碱的易反应性，减少了气道水合作用。
Individuals with asthma also have enhanced airway responsiveness to methacholine and diminished airway hydration.
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