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
Co-precipitation method was employed to prepare LaMnAl11O19 catalyst for methane combustion.Sodium carbonate was used as precipitator in the process.The influences of precipitation temperature on the structure and pro...Co-precipitation method was employed to prepare LaMnAl11O19 catalyst for methane combustion.Sodium carbonate was used as precipitator in the process.The influences of precipitation temperature on the structure and property of the catalysts were investigated by XRD、SEM、BET techniques.The optimal calcination temperature of the catalysts was determined.The results show that the crystal phase and activity for methane combustion are greatly affected by precipitation temperature,and hexaaluminates with high activity were formed when catalysts were calcinated at 1 200 ℃ for 4 h. Typically at the precipitation temperature of 90 ℃,the specific surface area of the catalyst is about 19.6 m2/g,and the light-off temperature(T10% for methane combustion is 432 ℃ and the full conversion temperature is 712 ℃.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。
文摘Co-precipitation method was employed to prepare LaMnAl11O19 catalyst for methane combustion.Sodium carbonate was used as precipitator in the process.The influences of precipitation temperature on the structure and property of the catalysts were investigated by XRD、SEM、BET techniques.The optimal calcination temperature of the catalysts was determined.The results show that the crystal phase and activity for methane combustion are greatly affected by precipitation temperature,and hexaaluminates with high activity were formed when catalysts were calcinated at 1 200 ℃ for 4 h. Typically at the precipitation temperature of 90 ℃,the specific surface area of the catalyst is about 19.6 m2/g,and the light-off temperature(T10% for methane combustion is 432 ℃ and the full conversion temperature is 712 ℃.
