Carboxylic crosslinked polystyrene microsphere was prepared by F - C acylation reaction.通过傅克酰基化反应制备了羧基化交联聚苯乙烯微球.The property of Hollow Microsphere Polymer ( HMP ) and its retanning characteristics was discussed in this p...
Substantial numbers of rank and file members ignored their union's advice.有相当一部分普通员工不理睬工会的建议。Make a note of credit card numbers and check expiry dates.记下信用卡卡号，核对有效期限。Tourist numbers from across the pond have dropped...
Objective To explore the value of meal examination in cartilaginous tracheobronchial ectopia of the esophageal wall.目的探讨食管壁内气管软骨异位症钡餐检查的价值.Objective To discuss the oncogenesis, clinical manifestation and relative treatme...
The wood was cut into large sheets of veneer.木料被锯成大块的薄板。He was able to fool the world with his veneer of education.他打着受过良好教育的幌子到处欺瞒世人。Her veneer of politeness began to crack.她那彬彬有礼的伪装开始露馅儿了。...
Objective : To establish HPLC fingerprint Radix Puerariae [ Pueraria lobata ( Willd . ) Ohwi ].目的: 建立葛根 ( 野葛 )的高效液相色谱 ( HPLC ) 指纹图谱.Puerarin is a main constituent of the traditional Chinese herb Radix pueraria lobata.葛根素...