Volatiles should not be added to the epoxies to improve their viscosity.不应将挥发物加到环氧树脂中去改善它们的粘性.The viscosity shows a rather pronounced variation with temperature.温度对粘度的影响十分明显.Viscosity overwhelms the smallest eddies and c...
a tactile organ触觉器官Libra sees life as a pure mental exploration, while Cancer's experience is more tactile , more kinesthetic.秤看人生仿佛是纯粹的精神领域的探索, 而蟹的经历则更为感性.Babies who sleep with their parents receive much more tacti...
目的: 合成新的双-胡椒醛缩二胺类席夫碱化合物.Methods: Five Schiff bases were prepared from piperonal and diamines by condensation reaction.用胡椒醛为起始原料,经氯化 、 水解、缩合,制得血凝酸胺.After the process of chlorination, hydrolytic decomposition and condensat...