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88  Articles
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Abstract: This study seeks to analyze the description of the need for Mode Deactivation Counseling (MDC) as an effort to control adolescent sexual aggressiveness. The research method used literature study and quantitative approach through a survey of 27 i... see more

Preparation, characterization, activation, deactivation, and regeneration tests of CoO-MoO/ZnO and CoO-MoO/ZnO-Activated Zeolite (AZ) catalysts for the hydrogen production using steam reforming of alcohols in fusel oil have been conducted. Both catalysts ... see more

The phenomena of catalyst deactivation and the effects of regeneration method on the characteristics and activity of Ni/ZA catalyst after being used in a continuous cracking reaction of polypropylene have been studied. Ni/ZA catalyst was prepared using so... see more

The kinetic studies of propane aromatization reaction over Zn/ /HZSM-5 catalyst at temperature of 500–560 °C and space velocity of 500– –2500 cm3 gcat-1 h-1, in a plug flow reactor, under catalyst deactivating con­di­tions were performed. A lumped kineti... see more

This work studies Ni-based catalyst deactivation and regeneration processes in the presence of H2S under a biogas tri-reforming process for hydrogen production, which is an energy vector of great interest. 25 ppm of hydrogen sulfide were continuously adde... see more

This work aimed to evaluate the kinetic for the cellulase production by Aspergillus niger and the deactivation kinetic of the cellulase enzymes. Cellulase were produced in three different batches using NaOH 4% (w v-1) pre-treated sugarcane bagasse as the ... see more

This paper presents results of the spectral (absorption and emission) and photophysical study of 6-aminocoumarin (6AC) in various aprotic hydrogen-bond forming solvents. It was established that solvent polarity as well as hydrogen-bonding ability influenc... see more

To address the issues of greenhouse gas emissions associated with fossil fuels, vegetable oilseeds, especially non-food oilseeds, are used as an alternative fuel resource. Vegetable oil derived from these oilseeds can be upgraded into hydrocarbon biofuel.... see more

A novel approach to the in situ regeneration of a spent alumina-supported cobalt–iron catalyst for catalytic methane decomposition is reported in this work. The spent catalyst was obtained after testing fresh catalyst in catalytic methane decomposit... see more

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