In this paper a new solid superacid catalyst SO 2- 4 MoO 3 TiO 2 was prepared.The activity of the catalyst in esterification of acetic acid and iso amyl alcohol was measured and compared with that of SO 2- 4 TiO 2 and...In this paper a new solid superacid catalyst SO 2- 4 MoO 3 TiO 2 was prepared.The activity of the catalyst in esterification of acetic acid and iso amyl alcohol was measured and compared with that of SO 2- 4 TiO 2 and MoO 3 TiO 2.The results showed that SO 2- 4 MoO 3 TiO 2 had better catalytic performance than SO 2- 4 TiO 2 and MoO 3 TiO 2.There was evident coordination between MoO 3 and SO 2- 4 when they coexisted on TiO 2.展开更多
为充分运用互联网技术培养大学生的创新能力,在对"慕课"MOOC(Massive Open Online Courses)网络教学理念的研究基础上,通过对网络学习模式进行更广泛的探索,提出"慕斯"(Mobile Open Online School,即移动在线开放校...为充分运用互联网技术培养大学生的创新能力,在对"慕课"MOOC(Massive Open Online Courses)网络教学理念的研究基础上,通过对网络学习模式进行更广泛的探索,提出"慕斯"(Mobile Open Online School,即移动在线开放校园,简称MOOS)网络教学新理念,突破单一的课程学习模式,实现网络学习的横向拓展,构建以现代大学生需求为驱动的网络学习生态系统。该文探讨基于MOOS理念构建药学网络学习平台,以期提高药学生的创新思维与能力。展开更多
文摘In this paper a new solid superacid catalyst SO 2- 4 MoO 3 TiO 2 was prepared.The activity of the catalyst in esterification of acetic acid and iso amyl alcohol was measured and compared with that of SO 2- 4 TiO 2 and MoO 3 TiO 2.The results showed that SO 2- 4 MoO 3 TiO 2 had better catalytic performance than SO 2- 4 TiO 2 and MoO 3 TiO 2.There was evident coordination between MoO 3 and SO 2- 4 when they coexisted on TiO 2.
文摘为充分运用互联网技术培养大学生的创新能力,在对"慕课"MOOC(Massive Open Online Courses)网络教学理念的研究基础上,通过对网络学习模式进行更广泛的探索,提出"慕斯"(Mobile Open Online School,即移动在线开放校园,简称MOOS)网络教学新理念,突破单一的课程学习模式,实现网络学习的横向拓展,构建以现代大学生需求为驱动的网络学习生态系统。该文探讨基于MOOS理念构建药学网络学习平台,以期提高药学生的创新思维与能力。