论文部分内容阅读
美禁用MTBE迫使甲醇停产减产
【出 处】
：
精细与专用化学品
【发表日期】
：
2004年1期
其他文献
Recently,a (1 +1)-dimensional displacement shallow water wave system (1DDSWWS) was constructed by applying variational principle of the analytic mechanics under
期刊
,Mei Symmetry and New Conserved Quantities of Tzénoff Equations for the Variable Mass Higher-Order N
Operational systems of spacecraft are general variable mass mechanics systems,and their symmetries and conserved quantities imply profound physical rules of the
期刊
We propose a new multi-symplectic integration method for the nonlinear Schr(o)dinger equation.The new scheme is derived by concatenating spatial discretization
期刊
这场价格战尽管带有戏剧性,但确实会产生深远的影响,它会是线上与线下零售商模式之争的分水岭无论是线上还是线下,零售都需要拥抱低毛利,最后比拼的是存活能力,而这要企业实
We introduce a dynamical decomposition view in dealing with Markov processes without detailed balance.This work generalizes a previous decomposition framework o
期刊
,Symmetry Reduction, Exact Solutions and Conservation Laws of the Modified Kadomtzev-Patvishvili-Ⅱ E
Employing the modified Clarkson-Kruskal direct method, we realize the symmetries of the nonlinear (2+1)-dimensional modified Kadomtzev-Patvishvili-Ⅱ equation.A
期刊