胍基固载量的提高可以增加吸附剂对胆红素的吸附性能.The increase of the guanidine amount can improve the adsorption performance.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 respecti...
Researchers realised that a tunable laser beam might be useful in surgery.研究人员意识到，可调谐激光束也许可以用在外科手术中。Alexandrite laser is one of the superior tunable solid - lasers.紫翠宝石激光器是迄今为止较好的固体可调谐激光器之一.The dielectric tunable behavio...
从那以后他们拆掉了简陋的棚屋。They have since knocked down the shack.他们只能住得起贫民区里最简陋的住处.They could only afford the meanest of rooms in a poor area.他们只有些简陋的工具.They only have rude tools....