以甲醇和甲醛水溶液为原料生产甲缩醛工厂设计
Plant design of producing methylal from methanol andformaldehyde aqueous solutionAbstractMethylacetal,also known as Dimethoxymethane (DMM),is an excellentenvironment-friendly solve...
鸿星尔克运动鞋定价策略研究
ABSTRACTWith the rapid development of China's sportswear industry,especially the running footwearcategory,it has not only grown sharply in scale,but also has a higher and higher gl...
基于“导学案-微课”培养初一学生数学预习能力的探索
AbstractPre-learning ability is the first step to improve students'self-learning.Abstractionis the subject nature of mathematics,and it is also a great obstacle for middle schoolst...
类比思想在中学数学中的应用
AbstractAnalogy is a common mathematical method in middle school mathematics.Analogy iswidely found in the concept,formula,nature and problem solving of middle school mathematics.M...
探寻讲授法在中学数学课堂中的应用
AbstractSince ancient times,method of lecture have a long historical standing as one of itsmost important members.Teachers often use this method of teaching when they teachtheir st...