Women held keys to land and wealth in Celtic Britain 女性曾掌控不列颠凯尔特 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
泰星Alex迎娶白富美Jenny，Cherry担任证婚人，压力给到Great
Alex，Rendell是泰剧黄金男配，出演过《保卫国土》《欲念之力》《丈夫》《尖峰》《是你》等经典泰剧，他和Lek，Teeradetch都是泰国影后Toey，J的前男友。 Alex，Rendell和Jenny的婚礼在泰国五星级酒店四季酒店举行，现场布置得十分温馨浪漫。
Daily glass of milk can reduce bowel cancer risk, study reveals 研究显示每天喝一杯 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...
Vilsmeier-Haack甲酰化反应
1925年，A. Vilsmeier及其团队报道了利用POCl3和N-甲基乙酰苯胺反应得到氯化4-氯-1,2-二甲基喹啉盐的文章。接着他们深入研究发现，N-甲基甲酰苯胺和POCl3反应可以得到一种 氯代甲基亚胺盐（即是Vilsmeier试剂），此试剂可以和富电子的芳烃反应得到苯甲醛。利用Vilsmeier试剂在富电子芳香化合物上引入甲酰基的反应被称为 Vilsmeier-Haack甲酰化反应。
thatsmags.com2 天
36 Awesome Upcoming Events in Shanghai
A night of hardcore thrash at MAO Livehouse. Celebrate love in the most romantic setting at Amour in the Air this Valentine’s Day at FLAIR, Ritz-Carlton Hotel Shanghai. Located on the 58th floor, this ...
大江网3 天
Xinhua Headlines: China's Spring Festival spending spree fuels global business growth
According to the National Immigration Administration, China recorded 14.37 million cross-border trips during the Spring Festival holiday season, a 6.3 percent increase from a year earlier. About 1 ...
来自MSN10 天
【省流总结】10年前的Intel平板性能到底怎么样？小米平板2测能效
【省流总结】10年前的Intel平板性能到底怎么样？小米平板2 Z8500/8700降压测能效曲线 全网首发！降压新玩法！以及Z8500/8700能效曲线！小米平板2，10年前的Intel平板性能到底怎么样？ 省流： ​ ...