以正庚醛 、 硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛.The heptanal butyl mercaptan was synthesized with heptanal, sodium thiosulfate and 1 bromobutane as raw materials.目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件.Aim Enanthal diethyl acetal is prepared ...
By the time he was 15, Scott had gigged with a handful of well-known small bands.到15岁的时候，斯科特已经与几支闻名遐迩的小乐队同台演出过。Jimmy must have been gigged by the captain who saw him.吉米肯定是被看见他的那个上尉打了小报告.We gigged for catfish off the pier...
His ships sailed up the Shannon and the Bann.他的船队沿善农河和班河而上.The sight of the lovely Bann banks , your sorrow youd give oer.爱之神的目光, 将你的忧伤带到我身旁.And to the bonny Bann banks forever I ll bid adieu.我对神发誓,我永远都不会说再见....
The most common causes are aortic or pulmonic valve regurgitation.最常见的原因是主动脉瓣或肺动脉瓣反流.Feeding too rapidly will cause abdominal distension and regurgitation.喂得太快会引起腹胀和反流.The valvular regurgitation did not affect cardiac st...
This coheres with Peel's cham-pioning of alternative music.这与皮尔倡导另类音乐的做法一致。Mark: First I gotta win the college cham - pionship.马克: 首先我要赢得大学冠军.This song was picked from an old and broken pop music magazine by transla...