Some volatilizable substances such as methanol in steam can come into product directly , and influence product greatly if the factory adopts traditional heating method in alcohol production . there fore , improving steam quality is very important to alcohol production
2.
In the first part , it gives the definition of creative thinking , and clarifies the relationship of two important modes of creative thinking , that is the collective thinking and the volatilizable thinking . in the second part , it reviews the general research achievement of the creative thinking teaching at home and abroad , it also introduces some modes of creative thinking teaching at home and abroad and the effect and evaluation of teaching experiments , and points out some existent problems
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