已经分化的组织分泌物称为抑素.Substances differentiated tissues secrete are called chalone.目的:在酿酒酵母中表达和分泌人血管抑素.To express and secrete human angiostatin in S . cerevisiae.目的 观察生长抑素十四肽 ( 施他宁 ) 对食管静脉曲张破裂出血的治疗效果.Aims : To evaluate the effe...
Every aspect of the original has been closely studied and painstakingly reconstructed.原作的每一细节都经过了仔细研究,费尽苦心才得以重现.The house fell into disrepair but a group of preservationists have reconstructed the roofs.这座房子年久失修，但一群古建筑保护...
阐述了饲料脱氟磷酸三钙的作用及发展必要性、内外生产技术现状.The action and development necessity of the feed defluorinated tricalcium phosphate were expounded.介绍了湿法磷酸化学法脱氟的脱氟机理和影响脱氟率的多种因素.The mechanisms and some affect factors for chemical disposal d...