Production of D-p-Hydroxyphenylglycine from DL-5-p-Hydroxyphenyl Hydantoin by Immobilized Pseudomona

来源 :中国化学工程学报:英文版 | 被引量 : 0次 | 上传用户:zr_ran
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
<正> 1 INTRODUCTIOND-p-Hydroxyphenylglycine(D-pHPG) is one of the valuable intermediates in the production ofsemisynthetic β-lactam antibiotics.It can be used for the production of semisynthetic penicillinand cephalosporin.With the increasing demand
其他文献
The discrepancy between pseudo-homogeneous one-dimensional model and peeudo-homogeneous two-dimensional model is studied. It is found that there are great diffe
上海二期课改提倡教师在课堂中开展自主学习、合作学习、探究学习,把课堂还给学生。然而,自主学习不等同于自己学习,学生是课堂的主人,但在学习中仍需要教师的指点和引导。教
Experiments were conducted on a trickle bed with 0.283 m ID to eluddate the relation-ship between hysteretic phenomena and liquid distribution. The hysteresis
马克思恩格斯具有丰富的文化思想,对于当代中国建设先进、和谐文化的实践具有重要的指导意义。马克思恩格斯关于文化存在客观性的论述要求我们要从实际出发,建设与我国社会主
Using a five point conductivity technique local values of bubble size,bubble velocity and gas fractionhave been experimentally determined in a 288 mmID and 4.3
A new kind of electrophoretic affinity chromatography (EAC) for bioseparation was proposed,Separation by EAC was conducted in a multicompartment electrolyzer in
面对不容乐观的国际经济形势,南宁对外经济战略布局需要调整。国内刺激经济举措颁布,南宁经济发展面临新机遇。南宁要在国内外特殊经济形式下,充分发挥北部湾核心城市的作用,起到
Detachment size determination with an acoustic method has been carried out fur two interacting bubble plumes formed at neighboring needles in quiescent water. T
中国传统"孝文化"的内涵从最初的孝亲意识逐渐演化为社会伦理和政治伦理乃至化为国家的治国方略,在历史上曾发挥过塑造封建社会理想人格、维护家庭和社会的稳定、丰富中华传统
中国误诊学杂志社编辑部:头颈部肿瘤患者放疗易引起咽痛、口干、吞咽困难等症状,以往对发生上呼吸道粘膜反应我们常规使用α-糜蛋白酶等抗炎药物雾化吸入,对痰液粘稠者可稀释