Effects of surfactant on viscosity of cetyl hydroxyethylcellulose ( CHEC ) solution were investigated by rheometer.通过流变仪研究了几种表面活性剂对十六烷基羟乙基纤维素 ( CHEC ) 溶液黏度的影响....
Gladstone undertook the premiership when he was 82 years old.格莱斯顿在他82岁时担任首相职务.Gladstone undertook the premiership when he was 8 2 years old.格莱斯顿在他82岁时担任首相职务.Selfishness is the greatest curse of the human race ( William E...
She felt that her family was an obstacle to her work.她感到她的家庭妨碍她的工作.He is in the full flush of success ; nothing was an obstacle .他的成就如日中天, 锐不可当.The fallen tree lying across the road is an obstacle.横在大路上一棵倒下的树是障碍....