نتایج جستجو برای: surface activity
تعداد نتایج: 1714408 فیلتر نتایج به سال:
an extensive study of fischer-tropsch synthesis (fts) on alumina-supported cobalt catalysts with different amounts of cobalt is reported. up to 40 wt % of cobalt, is added to the catalysts by impregnation method. the effect of the cobalt loading on the reducibility of the cobalt oxide species, dispersion of the cobalt, average clusters size, water-gas shift (wgs) activity and activity and selec...
Using atomic force microcopy, mechanochemical removal behaviors of GaAs surface slid by Al2O3, SiO2, and CeO2 micro-spherical tips were investigated in ambient environment. High-resolution transmission electron microscope characterization demonstrates that defect-free material was achieved on under the contact pressures much below yield limit plastic deformation, which can be ascribed to water-...
The laccase enzyme is the largest group of Oxidoreductase enzymes and is capable of oxidizing a wide range of organic substrates to water along with molecular oxygen resuscitation. ZnO nanoparticles are known for their specific properties such as chemical stability, high electrochemical coupling rates, and wide range of absorption of radiation as multifunctional compounds. In this study, ZnO po...
Preparation of 2-Chlorobenzonitrile, and benzonitrile are reported here from the corresponding 2-Chlorobenzaldehyde and benzaldehyde by the reaction of ammonium hydroxide/VPO titania, VPO bulk (...
The laccase enzyme is the largest group of Oxidoreductase enzymes and is capable of oxidizing a wide range of organic substrates to water along with molecular oxygen resuscitation. ZnO nanoparticles are known for their specific properties such as chemical stability, high electrochemical coupling rates, and wide range of absorption of radiation as multifunctional compounds. In this study, ZnO po...
In this study, the solution combustion method as a simple, fast, and cost-effective method was utilizedfor the fabrication of spinel nickel aluminate as a stable material to use in the esterification reaction.The effect of fuel amount (urea) as an important parameter of the solution combustion method on thestructure, properties, and performance of the sample was evaluated. The...
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