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...
As a player he was unselfish, a true team man.作为一名选手，他毫无私念，真正把自己摆在团队中。It was unselfish of you to help us.你无私地帮助了我们.She started to get a reputation as an unselfish girl with a heart of gold.她开始被人们赞誉为有一颗金子般的心的无私女孩。...
In some cases there is a mini-mum age limit.有些情况下有最低年龄限制。They struggled to limit the cost by enforcing a low-tech specification.他们通过实施低技术规格拼命限制成本。The three month time limit will be up in mid-June.3个月的限期截至6月中旬。...
其特点包括指出,拱, 肋跳马和飞行支墩.Its characteristic features include the pointed arch, the ribbed vault and the flying buttress.主拱肋施工是大跨度钢管混凝土拱桥施工的关键环节.Arch rib is the key point during the process of the long - span concrete - tube a...
The police don't make the laws, they merely enforce them.警察并不制定法律，只是负责执行。Desegregation may be harder to enforce in rural areas.要废除农村地区的种族隔离可能会更困难一些。Clearly, the police cannot break the law in order to enforce it.显然，...