Analysis of Intermediate Propiophenone used in Pharmaceutical Industry by Gas Chromatography and Mass Spectrometry;
药用中间体苯丙酮含量的气相色谱/质谱分析
Study on the Determination of Propiophenone;
苯丙酮含量测定方法探讨
The mixed systems combined from the ligand and various Ru,Rh or Ir complexes have been used as catalyst precursors for asymmetric transfer hydrogenation of propiophenone.
利用8-羟基喹啉与手性环己基二胺的反应,合成了对空气和水稳定的手性含氮四齿配体(R,R)-C6N4;进而分别与钌、铑或铱等金属络合物组合,现场生成催化体系,用于苯丙酮的不对称氢转移氢化反应;考察了碱添加量、配体用量和底物与催化剂用量摩尔比对反应性能的影响。
Process analysis of preparation of phenylpyruvic acid by hydrolysis of 5-benzalhydantoin by LC-MS;
亚苄基海因水解制备苯丙酮酸过程的色-质联用分析
Analysis of the content of phenylpyruvic acid in mixture by colorimetry;
比色法快速分析苯丙酮酸含量的研究
Recycling performance of amorphous Ni-B alloy catalyst for hydrogenation of phenylpyruvic acid to phenylalanine;
非晶态Ni-B合金在催化苯丙酮酸胺化加氢反应中活性寿命的研究
A new synthetic method for phenylacetone;
苯基丙酮新合成方法的研究
New progress for phenylacetone synthesis from organic zinc reagent and acetic anhydride was studied.
实验研究了以氯化苄为原料合成药物中间体苯基丙酮的新工艺。
The pH value is one of the most important quality variables of phenol-acetone unit.
pH值是苯酚丙酮装置中最重要的质量变量之一,但由于pH值检测过程存在高度的非线性和大纯滞后特性,很难有效地对pH值进行自动控制。
In order to decrease the steam consumption of phenol-acetone plant,some measures have been taken, including the application of the newly developed catalyst YSBH-3 for alkylation,benzene-propylene mole ratio and the quantity of recycling benzene decreased.
针对苯酚丙酮装置能耗高的问题,从降低装置蒸汽用量入手,介绍了节能降耗的途径及具体措施:开发新型烷基化反应催化剂YSBH-3,降低进料苯烯摩尔比,减少苯在系统中循环;研发新型烷基转移反应催化剂,解决烷基化反应中三异丙苯增多且难以转化成异丙苯的问题。
Chiral complexes formed from 1,2, 5,6 -diisopropylidenemanintol -lithum aluminum hydride and an alcohol were used for the asymmetric reduction ofα-propiophenone.
用１，２，５，６－二异丙叉甘露醇与ＬｉＡｌＨ４作用，生成手性的二氢络合物，进一步与非手性的一元脂肪醇反应，形成一氢络合物，用它将α－苯丙酮还原为光学活性的Ｒ－α－苯丙醇。
phenylpyruvic oligophrenia
苯丙酮尿性智力发育不全
imbecillitas phenylpyruvica
智力发育不全性苯丙酮尿
The Initial MR Study of Brain Lesions in Chidlren with Phenylketonuria;
苯丙酮尿症儿童脑部病变MR初步研究
Design of Phenylketonuria Fluorescence Detection Optical System
苯丙酮尿症荧光检测光学系统的设计
Study on techniques for synthesis of 4-chloro-2-methylpropiophenone
2-甲基-4-氯苯丙酮的合成工艺研究
A specific drug to treat PKU: sapropterin dihydrochloride
治疗苯丙酮尿症特异性药物二盐酸沙丙蝶呤
Roles of prephenate dehydrogenase and p-hydroxyphenylpyruvate reductase involved in isoflavonoid biosynthesis in cell suspension cultures of Pueraria lobata
预苯酸脱氢酶和对羟基苯丙酮酸还原酶与野葛异黄酮的生物合成
Study on Phe cut-off point of neonatal phenylketonuria screening in Daqing.
大庆地区新生儿苯丙酮尿症苯丙氨酸筛查切值的研究
ANALYSIS OF PHE, PPA AND BENZALHYDANTOIN BY= HIGH PERFORMANCE CAPILLARY ELECTROPHORESIS
高效毛细管电泳法分析苯丙氨酸苯丙酮酸和亚苄基海因
Phenylketonuria is a condition in which phenylalanine to tyrosine conversion is diminished because the enzyme phenylalanine hydroxylaze is deficient.
苯丙酮酸尿症是一种由于苯丙氨酸羟化酶缺乏，苯丙氨酸转变成酪氨酸的过程被削弱的
Research on Fluorescence Detection System for Neonatal Phenylketonuria Screening;
新生儿苯丙酮尿症（PKU）荧光筛查系统的研究
A Phenylketonuria Detecting System Constituted by Biosensor;
利用生物传感器组建苯丙酮尿症检测系统
sodium benzoylacetone dihydrate
苯酰丙酮钠二水合物
methanol-acetone-benzene extract
甲醇-丙酮-苯抽提物
Synthesis of Acetophenone 1,2-Propanediol Ketal
苯乙酮1,2-丙二醇缩酮的合成研究
cumene process for acetone
异丙苯法生产丙酮的工艺
acetone for pesticide residue and polychlorinated biphenyl analysis
残留农药和多氯联苯(PCBs)的测定用丙酮
Optimal Energy Integration of Alkylation Unit in a Phenol-Acetone Plant
苯酚丙酮装置烃化单元能量系统优化