N, N - diethylaniline was synthesized under normal tempreture with tetraethyl ammonium hydroxide as phase transfer catalyst. 以苯胺和溴乙烷为原料,用四乙基氢氧化铵作相转移催化剂,在常压下合成N, N二乙基苯胺.
Boil the congee that come out agglutinate, stick already sweet sweet still.用文火熬出来的粥,成胶状, 既粘又香还甜.Be suitable for the agglutinate between the sole and heel sector roughing.本机适用于外底与鞋跟粘合处扇形起毛.The O - crossagglutination can b...
Benjamin Bunny set off at once after Tommy Brock.本杰明兔子立刻动身去追踪汤米獾.The children wanted to pat the bunny.孩子们想轻拍这只兔子.I have to dump out the dust bunny every time I clean the bedroom.每次清理睡房时,我都会清出一团灰尘.The Happy Bunny club was...