Cucurbituril is a macrocyclic cavitand compound with two portals.葫芦脲是一种具有大环空腔、两端开口的葫芦状分子.All these novel macrocyclic compounds were confirmed with elemental analysis, IR, 1 HNMR and MS.这些新型大环化合物均经元素分析 、 IR 、 1HNMR、MS等证实其...
翻身跃过栅栏后,他便朝斜穿围场的方向走去。Vaulting the stile, he headed diagonally across the paddock.她用手一撑跃过栅栏门沿着小路跑去。She vaulted over the gate and ran up the path.贼纵身跃过篱笆逃走了.The thief jumped himself over a fence and escaped....
Fixative spray: Protective spray used on surface of artwork.固定喷剂: 喷在正稿面上的保护喷剂.Purpose : To search for an effective fixative solution for retina.目的: 寻找对视网膜固定效果好的固定液.Dentures require a strong fixative.粘假牙需用强力固定剂....
I have a sneaking suspicion that they are going to succeed.我隐隐觉得他们恐怕要成功了。He was arrested on suspicion of driving under the influence of alcohol.他因涉嫌酒后驾驶被捕。Forensic evidence points the finger of suspicion firmly at him.法医...