The preparation of activated carbon with mesopore by catalyst was summarized.总结了催化法制备中孔炭的几种路径.This paper paid the emphasis on the preparation method of the mesopore ACF and absorption property.本文著重阐述中孔活性碳纤维的制造方法及其吸附特性....
Lines of simple white headstones mark the graves.一排一排的白色墓石勾勒出这座公墓.Graves are a mix of gravels, clay and sand carried out by the river.它混合着碎石 、 粘土和河流带来的沙子....soldiers who helped to bury the dead in large communal graves.....
This city is flanked on all sides by unspoiled country.城市四面是乡村的天然风光.It 's the largest,totally unspoiled area in Europe.它是欧洲最大的完全未遭破坏的陆地。The port is quiet and unspoiled.这个港口宁静、天然。...the unspoiled island of Cozumel.不染...
《绿色环保的假期》是本生动有趣、增长见闻的读物。"Holidays That Don't Cost the Earth" is a lively, informative read.这是一本非常好的读物。This book is a rattling good read.儿童读物五花八门, 不可能一概而论.It's impossible to generalize about children's book...