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Reaction Mechanism and Deactivation Modes of Heterogeneous Catalytic Systems（图）
catalyst activity catalyst selectivity catalyst deactivation active site diffusion regime
2013/10/14
Solving the problem of catalyst deactivation is essential in process design. To do this, various aspects of the kinetics of processes with catalyst deactivation, and their different mechanisms, are di...
Hydrodechlorination over Zeolite Supported Catalysts—Clarification of Reaction Mechanism
Hydrodechlorination Zeolite Noble metal Acidity Dealumination IR spectroscopy
2009/7/27
Chlorinated compounds emitted into the atmosphere are responsible for the current thinning and shrinking of the ozone layer in the stratosphere. Two main potential methods have been suggested for the...
FT-IR Spectroscopic Study of the Reaction Mechanism for Selective Reduction of NO over Sol-gel Prepared In2O3-Ga2O3-Al2O3 Catalysts
Nitrogen monoxide selective reduction Propene Gallium oxide catalyst
2009/7/24
The catalytic activity of Ga2O3-Al2O3 for the selective reduction of NO with propene was inhibited by the presence of H2O, whereas the catalytic activity of In2O3-Ga2O3-Al2O3 was significantly promot...
Oxidation of Tea Catechins: Chemical Structures and Reaction Mechanism
black tea tea polyphenol catechin
2009/6/17
Black tea accounts for almost 80% of the world’s tea production and is the most important source of polyphenol in the world. However, little has been known about the chemistry of black tea polyphenols...
Reaction Mechanism Based on X-ray Crystallography at Atomic Resolution of Endopolygalacutronase I from Fungus Stereum purpureum
X-ray crystallography atomic resolution Stereum purpureum endopolygalacutronase I
2008/4/20
Three crystal structures of endopolygalacturonase I (EndoPG I) from Stereum purpureum have been determined in this study: the unliganded EndoPG I, the binary and ternary complexes of EndoPG I with gal...
Reaction Mechanism and Substrate Recognition of GH-94 Phosphorolytic Enzymes
crystallography GH-94 phosphorolytic enzyme reaction mechanism structure and function relationship
2008/4/20
Vibrio proteolyticus chitobiose (GlcNAc-β1,4-GlcNAc) phosphorylase (ChBP) catalyzes the reversible phosphorolysis of chitobiose into α-GlcNAc-1-phosphate and GlcNAc with inversion of the anomeric conf...
Reaction Mechanism of Ethylene Oxide at Various Oxygen/Ethylene Oxide Ratios in an RF Cold Plasma Environment
ethylene oxide plasma radio-frequency (RF) reaction mechanism
2016/3/30
An innovative method was used to simulate ethylene oxide (EO) oxidation in an RF plasma reactor. The
objective of this work was to simulate the stable species mole fraction profiles measured in a flo...