Results 101 to 110 of about 211,169 (192)

Четверта міжнародна наукова-практична конференція «Комп’ютерне моделювання в хімії і технологіях та системах сталого розвитку» [PDF]

open access: yes, 2014
Проведено аналіз утворення N2O і запропоновано кінетичну модель процесу окиснення аміаку до NO на каталізаторі на основі металів платинової групи з урахуванням утворення N2O, H2O, N2 та фізико-хімічних властивостей аміачно-повітряної суміші та ...
Blyznyuk, O. N.   +11 more
core  

Performance of nanocrystalline Ni3N as a negative electrode for sodium-ion batteries

open access: yes, 2013
Nickel nitride is synthesised by high temperature ammonolysis of nickel(II) hexamine and tris(ethylenediamine) salts. Its electrochemical characteristics are examined in half-cells vs. lithium and sodium.
Hasan, Mahboba M.   +3 more
core   +1 more source

Effect of ammonia reaction kinetics on the two-stage ignition mechanism of dimethyl ether

open access: yesFuel Processing Technology
This paper investigates the impact of ammonia (NH3) kinetics on the ignition mechanism of dimethyl ether (DME), a topic minimally addressed in existing literature, by utilizing a hypothetical NH3 representative species with identical thermodynamic ...
Juan Ou   +3 more
doaj   +1 more source

Effect of dissolved oxygen and chemical oxygen demand to nitrogen ratios on the partial nitrification/denitrification process in moving bed biofilm reactors [PDF]

open access: yes, 2011
Partial nitrification was reported to be technically feasible and economically favorable, especially for wastewater with high ammonium concentration or low C/N ratio.
Attar, H.M.   +4 more
core  

Hexachlorobutadiene pollution affected soil ammonia oxidation processes through affecting ammonia oxidizing microorganisms

open access: yesEcotoxicology and Environmental Safety
Hexachlorobutadiene (HCBD) is a persistent organic pollutant (POP), which poses a substantial risk to ecological and human health. Here, a 30-day microcosmic controlled experiment was conducted to systematically investigate the effects of HCBD on soil ammonia oxidation process and ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA ...
Fangfang Liu   +7 more
openaire   +2 more sources

Comparative Analysis of Chemical Reaction Mechanisms of Ammonia-n-Heptane Mixtures: From Ignition, Oxidation, and Laminar Flame Propagation to Engine Applications

open access: yesFire
The ammonia-n-heptane reaction mechanism is essential for simulation of the in-cylinder process for diesel-ignited ammonia engines. To gain insight into the differences in predictive performance among various ammonia-n-heptane reaction mechanisms, four ...
Yongzhong Huang   +6 more
doaj   +1 more source

Hypertrophic phytoplankton: an overview [PDF]

open access: yes, 1992
An overview is provided of studies on hypertrophic phytoplankton in order to explore the subject and to suggest uncovered areas of research in this increasingly important theme.
Cobelas, Miguel Alvarez   +1 more
core  

Novel copper-containing membrane monooxygenases (CuMMOs) encoded by alkane-utilizing Betaproteobacteria. [PDF]

open access: yes, 2020
Copper-containing membrane monooxygenases (CuMMOs) are encoded by xmoCAB(D) gene clusters and catalyze the oxidation of methane, ammonia, or some short-chain alkanes and alkenes.
Dunfield, Peter F   +11 more
core   +1 more source

Cu@Pt Core–Shell Nanostructures for Ammonia Oxidation: Bridging Electrocatalysis and Electrochemical Sensing

open access: yesInorganics
Electro-oxidation of ammonia has emerged as a promising route for sustainable energy conversion and pollutant mitigation. In this study, we report the facile fabrication of dendritic Cu@Pt core–shell nanostructures electrodeposited on pencil graphite ...
Bommireddy Naveen, Sang-Wha Lee
doaj   +1 more source

Recent Development in Designing Electrocatalysts for Efficient and Selective Ammonia Oxidation Reaction

open access: yesAdvanced Energy & Sustainability Research
Ammonia (NH3) is a critical chemical that is among the top 10 industrial chemicals produced annually in the world. Although the majority of NH3 is currently used in fertilizer production, it has recently recognized as a promising carrier for the storage,
Yeyu Deng   +6 more
doaj   +1 more source

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