熵的任何反向变化都是不合理的也是不可能的.The reversal of any entropychanging transformation would be neither reasonable nor possible.金星具有沿主轴反向自转的特性.Venus has the distinction of spinning " backward " on its axis.这样的工序就需要在头、二道并条中换条筒反向.Such pr...
或许这个过程应正确地称为氟化.Perhaps the process should rightly be called fluoridation.异氰酸酯可由含氯的环(或非环)状分子氟化而得.The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.在氟化过程中需要用一架 大功率 的电磁搅拌器.A heavy...
茅草亭是独自放松和读书的阴凉清幽之所。Thatched pavilions provide shady retreats for relaxing and reading in privacy.茅草料天生冬暖夏凉。Thatch is naturally warm in winter and cool in summer.茅草屋顶a roof made of thatch...