有关硫醇酯类的数据非常有限.Only a very limited amount of data is available on thiol esters.这个合成硫醇的方法,就显得更加重要.This approach to mercaptans takes on added importance.目的讨论合成盐酸吡硫醇的关键反应.Objective To discuss the key synthesis reaction of Py...
一些马蹄铁形蝙蝠能探测到细微至0.0001千赫的差别.Some Horseshoe bats can detect differences as slight as 0 . 0001 KHz.他们在旁边坐了100种渠道, 各200千赫宽.They sat aside 100 channels, each 200 kilohertz wide.这些无线电波以每秒15千赫的波长发出.These radio waves are coming ...
...a test in which a 6.3 kilogram weight was dropped on it from a height of 1 metre...让6.3公斤的重物从1米高的地方落到它上面的试验Start her on I. V. Chloramphenicol, 25 milligrams per kilogram, four times a day.给她静脉注射每千克25毫克的抗生素氯霉素, 每天四次......
Their marriage is getting a little frayed around the edges...他们的婚姻开始出现裂痕。Their marriage is getting a little frayed around the edges.他们的婚姻开始出现裂痕。Nerves became severely frayed when air traffic problems delayed the flight.当...
To make and fit two iron blinders for air port in dining saloon.制作并安装餐厅里两只舷窗铁盖.a five-seater family saloon五座家庭式轿车Hidden dangers lurk in every family saloon car.每部家庭式双排座小轿车都存在隐患。A man came to lay the saloon carpet...一名男子来...
On the wall is the family crest.墙上挂着那个家族的饰章。surfers riding the crest of the wave正在浪峰上冲浪的运动员Be modest when you are on the crest of the wave.在最得意的时候要谦虚....
Conclusion Esophagogastric intramural anastomosis can partly reconstruct the cardial function and prevent reflux esophagitis effectively.结论食管-胃壁内吻合术能够部分达到贲门功能重建的作用,可较好预防反流性食管炎的发生.It is well established that the cardial c...