The reaction mechanism of ammonia with formaldehyde was investigated by using the intrinsic reaction coordinate(IRC)method on the ab initio RHF/STO-3G basis set. our results indicate that the reaction proceeds in two ...The reaction mechanism of ammonia with formaldehyde was investigated by using the intrinsic reaction coordinate(IRC)method on the ab initio RHF/STO-3G basis set. our results indicate that the reaction proceeds in two stages:the first step yields the molecular complex and the second one is the rearrangement from molecular complex to the reaction proauct.展开更多
INVISTA signed a technology licensing agreement with Markor Chemicalfor butanediol (BDO) manufacturing technology on November 1 st.Headquartered in Urumqi,Xinjiang region in western China,MarkorGroup is a private comp...INVISTA signed a technology licensing agreement with Markor Chemicalfor butanediol (BDO) manufacturing technology on November 1 st.Headquartered in Urumqi,Xinjiang region in western China,MarkorGroup is a private company with businesses in furniture manufacturing,home furnishings and chemicals. Its subsidiary,Markor Chemical,produces methanol,formaldehyde,acetylene,tetrahydrofuran,andBDO in Korla,Xinjiang region.The licensing agreement covers the manufacturing processes,re-展开更多
基金This work was partly supported by the National Science Foundation of China
文摘The reaction mechanism of ammonia with formaldehyde was investigated by using the intrinsic reaction coordinate(IRC)method on the ab initio RHF/STO-3G basis set. our results indicate that the reaction proceeds in two stages:the first step yields the molecular complex and the second one is the rearrangement from molecular complex to the reaction proauct.
文摘INVISTA signed a technology licensing agreement with Markor Chemicalfor butanediol (BDO) manufacturing technology on November 1 st.Headquartered in Urumqi,Xinjiang region in western China,MarkorGroup is a private company with businesses in furniture manufacturing,home furnishings and chemicals. Its subsidiary,Markor Chemical,produces methanol,formaldehyde,acetylene,tetrahydrofuran,andBDO in Korla,Xinjiang region.The licensing agreement covers the manufacturing processes,re-
