对于α-氨基仍采用Fmoc保护策略, 侧链氨基用二碳酸二叔丁酯引入叔丁氧羰基来保护,侧链胍基用酸敏感保护基2,2, 4,6,7-五甲基二氢苯并呋喃-5-磺酰基来保护. Fmoc, Boc and Pbf were used respectively to protect α - amido, side amido and side guanidine group.
Microspheric trans aconitic acid imprinted polymers were synthesized via a precipitation polymerization with acetonitrile as solvent.以乙腈为分散剂,采用沉淀聚合法合成了反乌头酸分子印迹聚合物微球.Precipitating electrode plate is a key part in electros...
演员们假装从事不同的劳动。Actors go through the motions of different types of labor.演员们都愿意免费出演。The performers have all offered their services free of charge.他认定演员们太做作，并且都神经兮兮的。Actors, he decided, were too precious and neurotic....
I was still uncommitted to the venture when we reached Kanpur.我们到达坎普尔时，我仍未拿定主意是否去冒险。Some workers remain uncommitted to the project.有些工人仍未对该计画做出承诺.I'm uncommitted tonight. Shall we go for a drink?今晚我有空, 我们去喝一杯好 吗 ?...
Objectives To observe how cere spore bacilli resulted in swallowing infection.目的:观察蜡样芽胞杆菌感染途径.A spore can quickly spread and form a mould.一个孢子能迅速蔓延并形成霉。Legionellae are aerobic, non - spore formingrod - shaped , typically...
...the north London suburbs of Harrow, Barnet and Enfield.伦敦北部郊区哈罗区、巴尼特区和恩菲尔德区。Entire suburbs have been reduced to rubble.整个市郊都变成了一片废墟。New suburbs burgeoned all around the city.城市周围新住宅区如雨后春笋般兴起.Community groups have expr...
A piezoelectrically actuated microjet is used for inhalation drug therapy ( IDT ) .压电 驱动微喷用于雾化吸入治疗,雾粒直径是微喷的重要参数.The P matrix of IDT whose electric ports both serial is difficultly analysis interdigital transducer ( IDT )...