There are seasoned professionals who can teach you and show you what to do...有经验丰富的专家教你，并向你演示怎么做。Seasoned veterans were picked to storm the difficult enemy position.有经验的老兵被挑选出来去突袭难攻的敌军阵地.He began acting with the confiden...
本节只讨论其中的两类: 金属离子钝化剂和过氧化物分解剂.Only two types will be included in present discussion: metal - ion deactivators and peroxide decomposers.向焦炭表面喷洒钝化剂溶液可以改善焦炭热态强度.The hot strength of coke can be improved by spraying passivator ...
最成功的是真空镀铝塑料膜的“太空服. ”The most successful had been the'space blanket " of vacuum aluminised plastic film.实际上, 两块半镀银的或镀铝的光学平面玻璃构成了反射界面.In practice, two semisilvered or aluminized glass optical flats from the reflecting...
Hemophilia was first described in 1803.血友病在1803年初次被描述.Hemophilia: Hereditary Bleeding disorder caused by deficiency of a coagulation factor.血友病: 一种遗传性出血性疾病,因先天性缺乏某种凝血因子而引起.Are Chronic Hepatitis C viral Infections More Be...
Men on horseback dashed out of side streets pell - mell down Peachtree toward Hood's headquarters.骑马的男人们乱糟糟地从两旁小巷里奔上桃树街,向胡德将军的司令部驰去.The shelf contained a pell - mell assortment of English novels.那书架上有一批杂乱的英国小说.The e...
该酶蛋白含有17种氨基酸, 其中甘氨酸(Gly)和丙氨酸(Ala)为主要氨基酸.The protease includes 17 amino acids , among which, Gly and Ala are dominant amino acids.通过重组SOD技术使失去铜锌离子失活的酶蛋白恢复酶的催化活性.Furthermore, the inactivated enzyme losing metal ion is reac...