深化专业课程教育教学改革,培养大学生的创新精神、职业素养和工程实践能力,是地方本科院校普遍面临的难点问题。以滁州学院为例,介绍了该校化学工程与工艺专业教师团队将工程教育专业认证和学习产出教育(outcomes based education,OBE...深化专业课程教育教学改革,培养大学生的创新精神、职业素养和工程实践能力,是地方本科院校普遍面临的难点问题。以滁州学院为例,介绍了该校化学工程与工艺专业教师团队将工程教育专业认证和学习产出教育(outcomes based education,OBE)理念融入专业课程改革,并从教育教学改革理念与思路、课程思政育人模式、课程内容体系设计、教学方法改革及教学考评方式5个方面采取的具体举措。结果表明:上述措施有利于知识传授和价值塑造互融互通,提升地方院校化工专业人才的工程实践能力。展开更多
The gas-phase dehydration of glycerol was conducted over HPW/MCM-41 catalysts,which were prepared by impregnation of different amount of H3PW（12）O（40）（HPW）on the MCM-41 support.The samples were characterized by ...The gas-phase dehydration of glycerol was conducted over HPW/MCM-41 catalysts,which were prepared by impregnation of different amount of H3PW（12）O（40）（HPW）on the MCM-41 support.The samples were characterized by XRD,N2 physisorption,FTIR,NH3-TPD,and pyridine-FTIR measurements.N2 physisorption results suggested that the uniform framework of MCM-41 could still be well maintained after modified with HPW.Pyridine-FTIR experiments indicate that HPW modified MCM-41 can generate rich Br？nsted acid sites.Moreover,Brnsted acid sites facilitated to improve acrolein selectivity.Under the optimized reaction conditions：40wt%HPW loading,20%glycerol concentration,and 320℃reaction temperature,the glycerol conversion and acrolein selectivity reach 85%and 80%,respectively.展开更多
文摘深化专业课程教育教学改革,培养大学生的创新精神、职业素养和工程实践能力,是地方本科院校普遍面临的难点问题。以滁州学院为例,介绍了该校化学工程与工艺专业教师团队将工程教育专业认证和学习产出教育(outcomes based education,OBE)理念融入专业课程改革,并从教育教学改革理念与思路、课程思政育人模式、课程内容体系设计、教学方法改革及教学考评方式5个方面采取的具体举措。结果表明:上述措施有利于知识传授和价值塑造互融互通,提升地方院校化工专业人才的工程实践能力。
基金Funded by the National Natural Science Foundation of China(No.21303154)
文摘The gas-phase dehydration of glycerol was conducted over HPW/MCM-41 catalysts,which were prepared by impregnation of different amount of H3PW（12）O（40）（HPW）on the MCM-41 support.The samples were characterized by XRD,N2 physisorption,FTIR,NH3-TPD,and pyridine-FTIR measurements.N2 physisorption results suggested that the uniform framework of MCM-41 could still be well maintained after modified with HPW.Pyridine-FTIR experiments indicate that HPW modified MCM-41 can generate rich Br？nsted acid sites.Moreover,Brnsted acid sites facilitated to improve acrolein selectivity.Under the optimized reaction conditions：40wt%HPW loading,20%glycerol concentration,and 320℃reaction temperature,the glycerol conversion and acrolein selectivity reach 85%and 80%,respectively.
