aspen求助求解决? ERROR WHILE CHECKING INPUT SPECIFICATIONS BLOCK NAME: B9 MODEL NAME: RSTOIC REACTION NUMBER "1" DOES NOT SATISFY MASS BALANCE. THE ABSOLUTE ERROR IS -15.998 CHECK STOICHIOMETRY/MOLECULAR WEIGHTS. 这是1草酸二 甲酯 +4氢气------ 乙二醇 +2 甲醇 ,系数没错啊,怎么总是这样啊?? 查看更多9个回答 . 2人已关注
合成难题挑战(二)? TMBA (3,4,5-tri-methoxy benzoic acid) POSTED: JUL 01, 2003 DEADLINE: DEC 31, 2003 奖金: $7,500 USD A proposal for a cost-efficient synthesis of 3,4,5-tri-methoxy benzoic acid (TMBA) is needed. More details are available once you register as an InnoCentive Solver. 来源:innocentive查看更多17个回答 . 3人已关注