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...
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...
Directive types make fast decisions and focus on the short run.命令型的决策制定简洁快速,关注短期的结果.There are basically two types called, in layman's terms, blue and white asbestos.基本上有两种,用外行话说就是青石棉和白石棉。We accomplish this through a...
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。...