Menstruum crystal is widely used in cephalosporin production in view of its stability and high purity.溶媒结晶由于其稳定性和纯度高被广泛用于头孢菌素生产中.Objective: Compare the effect on alkaloids of Bulbus Fritillariae thunbergii in different m...
到1980年,迈阿密海滩已经完全风蚀了。By 1980, Miami beach had all but totally eroded.有机橡胶经过风蚀后,逐呈现出树脂状的外表.Organic rubbers develop a resinous surface crust through weathering.粘着不牢的表面对片状侵蚀和风蚀更加敏感.Weakly coherent surfaces are more susceptib...
He snapped the cap on his ballpoint.他吧嗒一声把笔帽扣在了圆珠笔上。I changed the ink cartridges in my ballpoint pen.我换了圆珠笔里的墨水芯.You can buy the ballpoint pen anywhere.你到哪儿都能够买到这种圆珠笔.The diary comes complete with a gold-coloured ballpoi...
The extrudate's dietary fiber content was 14 - 15 % under optimum operation condition.在此操作条件下,可得到膳食纤维含量为14-15%的挤压休闲食品.Table 1 The extrudate's experimental results of the factorial experiment.表1复因子实验设计之反应性状表.Tab...