Selective dehydration of hexose, such as D - fructose, is one of main synthetic methods for 5 - hydroxymethylfurfural.果糖等己糖选择性脱水是制备 5- 羟甲基糠醛的主要方法之一....
Does the UN convene every year?联合国每年都召开大会吗?Congress will convene again in the fall.国会将于秋季再度举行会议.to convene a meeting召开会议Every Monday morning I convene and preside over our department meeting.每个星期一的早上,我召集和主持部门会议.I was ver...
Hypertension nearly triples the risk for men and doubles it for women.高血压将使男性患病风险增至普通风险水平的近三倍(女性为两倍).We shall discuss quadruples, triples, trees, and indirect triples.我们将讨论四元组, 三元组, 树和间接三元组.The method of deducing Pythago...
Such an atmosphere could not incite in him the cravings of a boy of eighteen.这种气氛不会挑动他象十八岁的孩子般的渴望.You will have to overcome many unhealthy cravings and knee - jerk reactions.你必须克服许多不健康的渴望和莽撞的态度.What about the cravings th...