This paper described the Mannich reaction of selenamorpholine, which reacted with aldehydes and acidic components gave seven Mannich bases.
用硒代吗啉与不同的酸组分、醛组分反应得到七个曼尼希反应的产物。
Objective:To optimize the conditions of the extraction technique for sidiming(SDM),and prepare the SDM capsules;To study the quality of SDM capsules and establish the standard for its quality control;To study the effects of SDM capsules on morphine metabolism in morphine dependent rats in vivo.
目的:①优选出思的明(SDM)的最佳提取工艺条件,研制开发成SDM胶囊剂;②对SDM胶囊进行质量研究,建立质量控制标准;③考察SDM胶囊对吗啡依赖大鼠体内吗啡代谢的影响。
Can you use graphical entries instead?
可以用图形条目取代吗？
Can you recall your childhood?
你还记得你的童年时代吗?
May I have tea instead of coffee?
请给我茶代替咖啡好吗？
Do you need me to cover any of your work?
你需要我帮你代班吗？
Would you be so kind as to forward my letters?
请代我转递我的信好吗?
How about some sundae?
来点圣代冰淇淋好吗?
Will you meet her for me?
你代我会见她好吗?
Would you please take a message?
请你代我留言好吗？
Will you go to the party instead of me?
你代我去参加晚会好吗？
Can you substitute for me at the meeting?
你代我去开会好吗?
Has the cinema lost out to TV?
电影已被电视取代了吗?
Do you care for modern music?
你爱听现代音乐吗?
Do you go in for modern music?
你喜欢现代音乐吗？
Has the prisoner talked?
那个罪犯交代了吗?
Will airplane supersedes train ?
飞机将替代火车吗？
Can Linux Become an Alternative to Windows on the Desktop?
Linux能替代Windows桌面系统吗？
are you keen on modern art?
你喜欢现代艺术吗?
B: Oh is it? Have you had more discu io with the British agent?
哦，是吗？你们和英国的代理商进一步谈了吗？