Williamson reaction is one important method to prepare unsymmetric ether.Williamson反应是制备不对称醚类化合物的重要方法.Brydon's team-mate Martin Williamson consolidated his lead in the National League when he won the latest round.布赖...
Brydon's team-mate Martin Williamson consolidated his lead in the National League when he won the latest round.布赖登的队友马丁·威廉森在最近一轮比赛中获胜,巩固了自己在全国联赛中的领先地位。Williamson reaction is one important method to prepare unsymmetr...
Segmental Motion Adjacent to Anterior Cervical Arthrodesis: A Prospective Study.颈椎前路融合邻近节段的运动: 一项前瞻性研究.Solid bony fusion of the cervical arthrodesis was achieved in all of the patients.所有的患者均取得颈椎关节固定术的坚强骨融合.Determining t...
那印地安人将他的长矛用力掷向那只土狼.The Indian hurled his spear at the coyote.狗 、 狼和土狼是同属.Dogs, wolves, and coyotes belong to the same genus.你是说你挑了土狼剩下河马和长颈鹿给我挑?You mean you get the hyena, and I choose between the hippo and the giraffe?...
I was forever dragging him away from the fireplace.我老是要把他从壁炉边拉开。The wall caved in to reveal a blocked-up Victorian fireplace.墙坍塌了,露出砌在里面的维多利亚时代的壁炉。There was a fire burning in the large fireplace.大壁炉里火势正旺。...
Amorphous beryllium hydride , as ablator, can increase conversion from laser to X - rays .非晶 BeH2 材料作为烧蚀层, 掺入高Z元素后可以提高激光 -X 光的转换效率.The pertinent siloxane compounds contain two silicon hydride bonds.所说的硅氧烷组合物中,含有两类硅氧键.Wha...