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Antioxidant and Photo-antioxidant Activities of Chalcone Derivatives
Chalcone Substituent position Conjugated system
2009/8/4
Chalcones are the starting materials for the biosynthesis of flavonoids. Flavonoids are strong antioxidants, which contain many phenolic hydroxyl group(s). However, the antioxidant activities of chal...
Antioxidant and Photo-antioxidant Activities of Phenylpropanoids
Tyrosine Phenylpropanoid p-Coumaric acid Antioxidant activity
2009/8/4
Phenylpropanoids are one of the metabolic products of phenylalanine and tyrosine. The antioxidant and photo- antioxidant activities were studied kinetically and along the metabolic pathway, to invest...
Catalytic Activities of Platinum Supported on Silica-modified Alumina for Hydrodesulfurization of Thiophene
Hydrodesulfurization Thiophene Platinum catalyst Silica modification
2009/8/4
Hydrodesulfurization (HDS) of thiophene over silica-modified alumina-supported platinum (Pt/SiO2-Al2O3) catalysts was examined. The HDS activity of a Pt/Al2O3 catalyst was enhanced by silica modifica...
Oxidative Regeneration of Resid Hydrodesulfurization Catalyst —Effect of Vanadium Accumulation on Properties and Activities of Regenerated Catalyst—
Oxidative regeneration Resid hydrodesulfurization Hydrodemetallation
2009/7/28
Resid hydrodesulfurization catalyst was regenerated after commercial operation and the effect of vanadium accumulation during resid hydrotreating reaction on the following catalyst regeneration was i...
Pretreatment of MFI Type Zeolites with Ethylene to Enhance Their Catalytic Activities for Dehydration of Ethanol
MFI type zeolite Pretreatment Ethylene Dehydration Ethanol
2009/7/28
The effects of the pretreatment of various types of zeolites such as H-ZSM5, H-mordenite, H-beta, HY and gallosilicate with ethylene on their activities for the dehydration of ethanol at low temperat...
Promotion of Catalytic Activities and Suppression of Deactivation by Water in the Hydrotreatment of Atmospheric Residue
Atmospheric residue Hydrotreating Water addition Hydrodesulfurization
2009/7/24
Water was added to extend the continuous run of the atmospheric residue hydrotreatment process in bench plant and autoclave tests for improvement of catalyst life. Addition of water increased the ca...
Kyoto Protocol and Circumstances of CDM Activities
Kyoto Protocol CDM carbon credit greenhouse gas
2009/4/9
Kyoto Protocol, which was adopted in December 1997, ratified by Russia in November 2004, has been effective since February 2005.In Kyoto Protocol, the epoch-making Mechanism called Kyoto Mechanism to...
ADOC's flaring management and other environment protection activities in its operation
sour gas injection zero flaring osprey mangrove
2009/4/9
Abu Dhabi Oil Co., Ltd. (ADOC) is currently operating three oil fields ; Mubarraz (MUB), Umm Al-Anbar (AR) and Neewat Al-Ghalan (GA) Fields. All produced oil from the fields is gathered to Mubarraz I...