搜索结果: 1-15 共查到“化学工程 System”相关记录23条 . 查询时间(0.187 秒)
学术报告：Development of an ultra-efficient hydrogen peroxide generation and OH radical generation system using a photocatalyst with metal ions immobilized atomically on a PCN derivative
PCN derivative OH radical photocatalyst metal ions
2023/7/19
Development of an ultra-efficient hydrogen peroxide generation and OH radical generation system using a photocatalyst with metal ions immobilized atomically on a PCN derivative.
Superstructure-Based Simultaneous Optimization of a Heat Exchanger Network and a Compression-Absorption Cascade Refrigeration System for Heat Recovery
Heat Exchanger Network Refrigeration System Heat Recovery
2023/6/19
A heat exchanger network (HEN) plays an important role in the chemical process industry owing to its significant effect in energy recovery. A compression-absorption cascade refrigeration system (CACRS...
Aldol condensations of a variety of different aldehydes and ketones under ultrasonic irradiation using poly(N-vinylimidazole) as a new heterogeneous base catalyst under solvent-free conditions in a liquid-solid system Nader Ghaffari Khaligha, Taraneh Mihankhahb（图）
Ultrasound-assisted reaction Liquid-solid system Poly(N-vinylimidazole) Aldol condensation, Solvent-free
2013/12/5
An ultrasound-assisted aldol condensation reaction has been developed for a range of ketones with a variety of aromatic aldehydes using poly(N-vinylimidazole) as a solid base catalyst in a liquid-soli...
Enantioselective Cycloetherification in a Micellar Catalysis System（图）
enantioselective cycloetherification dihydrobenzofuran derivative micellar catalysis
2013/10/15
The enantioselective cycloetherification of substituted keto phenols into their corresponding dihydrobenzofuran derivatives was carried out using hydrogen peroxide and chiral quaternary ammonium iodid...
WHEAT STRAW CONVERSION BY ENZYMATIC SYSTEM OF GANODERMA LUCIDUM
WHEAT STRAW ENZYMATIC SYSTEM GANODERMA LUCIDUM
2010/10/25
The purpose of this study was to resolve the question of whether various nitrogen sources and concentrations affect characteristics of selected G. lucidum ligninolytic enzymes participating in wheat s...
Microstructure and Phase Behavior of Cationic Gemini/Anionic Polyelectrolyte/Water Ternary System
gemini surfactant polyelectrolyte molecular interaction
2009/11/16
The microstructure of cationic gemini surfactant 1,6-bis(dodecyldimethylammonium) hexane dibromide [C12H25(CH3)2N-(CH2)6-N(CH3)2C12H25×2Br] (12-6-12×2Br-) and oppositely charged polyelectrolyte poly(a...
Partition Behavior of Penicillin in Three-liquid-phase Extraction System
three-phase extraction penicillin
2009/11/13
Partition behavior of penicillins G and V was studied in a novel three-liquid-phase extraction system, which is composed of butyl acetate (BA), polyethylene glycol (PEG), ammonia sulfate [(NH4)2SO4] a...
Production of Microbial Rennin in a Continuous System Fermenter and Modelling of the Activity
Rennin Milk Clotting Cheese Mucor miehei Biofilm
2009/10/14
In this work microbial production of rennin, a milk clotting enzyme, from a commericial strain of Mucor miehei (NRRL 3420, USDA) has been investigated in a continuous fermenter. The spherical biofilm ...
Equilibrium Data on Water-Ethanol-1-Dodecanol Ternary System
ethanol 1-dodecanol liquid-liquid extraction
2009/10/13
The experimental liquid-liquid equilibria of a water-ethanol-1-dodecanol system were investigated at temperatures of 298.160.20, 303.160.20 and 308.160.20 K. The reliability of experimental tie-lin...
INFLUENCE OF THE DEGREE OF IRREVERSIBILITY OF THERMAL AND MECHANICAL TREATMENT REGIME ON THE FINAL QUALITIES OF A REACTING-SYSTEM
thermal and mechanical treatment entropy generation in chemical and physical conversions
2009/10/13
The final qualities of interest (such as grain size, chemical purity, degree of stability, transition order) of new compounds, synthesised in solid state transformation processes (chemical reactions, ...
Liquid-liquid Extraction of Au(I) by Amberlite LA2 and its Application to a Polymer-Immobilized Liquid Membrane System
Liquid-liquid extraction Membrane transport Amberlite LA2
2009/7/28
The liquid-liquid extraction of Au(I) by Amberlite LA2
(secondary amine) in kerosene from cyanide media has
been investigated. The analysis of metal distribution
data suggested the formation of R2N...
2009晶体工程与药物传送系统国际会议（2009 International Symposium on Crystal Engineering & Drug Delivery System）
2009 晶体工程 药物传送系统 国际会议
2009/6/23
为进一步研讨晶体工程及药物传送系统理论与技术方面的最新进展，国家科技部批准组建的全国唯一的工业结晶技术研究与技术推广的国家级工程研究中心——天津大学国家工业结晶工程技术研究中心将于2009年9月5日至9月8日在中国天津举办2009年晶体工程与药物传送系统国际会议。议题： 1. 工业结晶技术研发进展 2. 医药结晶技术3. 工业结晶过程设计与控制 4. 纳米晶体与生物大分子晶体研究进展。 
Measurement of Mass Transfer Coefficients and Their Modelling of Continuous Counter-Current Aqueous Two-Phase System in a Packed Extraction Column
aqueous two-phase system continuous countercurrent extraction mass transfer coefficient
2009/4/28
Overall dispersed side volumetric mass transfer coefficients forprotein and amino acids were measured in continuous countercurrentPEG4000/KHP aqueous two-phase systems in a 57 mm I.D. packed extract...
Determination of the Structure of Polyacrylamide／Aluminum Citrate Colloidal Dispersion Gel System
polyacrylamide colloidal dispersion gel crosslinking system
2009/4/23
Determination of the Structure of Polyacrylamide／Aluminum Citrate Colloidal Dispersion Gel System.
Helmholtz free energy in a system of anisotropic chainlike molecules and its applications
perturbation theory chainlike molecules Helmholtz free energy normal monohydric alcohol
2009/4/21
Helmholtz free energy in a system of anisotropic chainlike molecules and its applications
for normal monohydric alcohols and normal alkanes.