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162 articles for “Oxygen”
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Model Analysis of Bacteria Growth Rate in Polluted Stagnant Water Environment
Abstract: The Total Bacteria Count (TBC) analysis was carried out to investigate growth rate of microorganism in the stagnant water media. The analysis was also conducted to ascertain if the polluted water media can favour the growth bacteria, and hence, assist in the degradation Total Petroleum Hydrocarbon (TPH) content in water. The bacteria growth was slow from day 1 up to day 56, but began to increase rapidly between 70th and …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 1, 2023 · pp. 11–17 Read article
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Chemical Process of Diamonds and CVD Methods
Abstract: Many times, first-order kinetics can be seen in gas-phase decomposition events. However, it is now known that such reactions are actually governed by bimolecular processes. Bimolecular collisional activation to an energy sufficient for decomposition sets off the reaction. Gas-phase processes occurring in catalytic cycles are also to blame for the development of the ozone hole in the polar stratosphere in the spring, albeit heterogeneous mechanisms must also be taken into …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 12–17 Read article
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A Comprehensive Characterization of Zinc Chloride: Unveiling its Role as a Hygroscopic Preservative and Drying Agent through Elemental, Structural, and Morphological Analysis
Abstract: This study presents a detailed investigation of Zinc Chloride( )) utilizing the following different analytical techniques, X-ray diffraction(XRD), Electron Dispersive Spectroscope (EDS), Transmission Electron Microscope (TEM), Scanning Electron Microscope (SEM). Zinc Chloride was synthesized using the hydrothermal method. The elemental, structural, morphological, and optical properties of Zinc Chloride ( )) were thoroughly analyzed. The hygroscopic nature and properties of Zinc Chloride upon exposition to air was revealed and its weight/mass …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 2, 2023 · pp. 13–19 Read article
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Application of Surface Water Quality Classification Models Using Principal Components Analysis and Cluster Analysis
Abstract: Water quality monitoring has one of the highest priorities in surface water protection policy. Many variety approaches are being used to interpret and analyze the concealed variables that determine the variance of observed water quality of various source points. A considerable proportion of these approaches are mainly based on statistical methods, multivariate statistical techniques in particular. In the present study, the use of multivariate techniques is required to reduce the …
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 1, 2019 · pp. 19–31 Read article
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Prediction of Adsorption Energies using Machine Learning
Abstract: In this article, we have a much more comprehensive method that promotes the exploration of automated descriptors. Primary component analysis (PCA) with varimax rotation is used to find the strongest minimum range of adsorption energies that can be used as metal descriptors for a given data set. Our findings demonstrate that the mixture of descriptors produced by this method outperforms conventional descriptors such as nuclear carbon, hydrogen and oxygen adsorption …
Published in International Journal of Electrical Power System and Technology · Vol. 6, Issue 2, 2020 · pp. 38–46 Read article
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Preparation and Characterization of Nanosize SnO2 Nanopowders by Precipitation Method
Abstract: Nanocrystalline Tin oxide (SnO2) powders have been synthesized by a direct precipitation method from an aqueous solution in the presence of SnCl4 and NH3. The crystallite size, lattice parameters, dislocation density and number of unit cells in SnO2 nanocrystalline powder (as-prepared and heated) are characterized by X-ray diffraction (XRD). The results of XRD show that pure SnO2 nanocrystalline powder has tetragonal rutile structure; the broad peak indicates small crystallite size …
Published in International Journal of Applied Nanotechnology · Vol. 1, Issue 1-2, 2015 Read article
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A Brief Review on Optical Properties of Boron Carbon Oxy-Nitride: A Phosphor for Future Era
Abstract: Phosphors are generally inorganic materials which emit light when irradiated by different sources of energy. BCNO is an inorganic phosphor containing boron, carbon, nitrogen and oxygen which is mainly synthesized artificially. Quite lately, it has gained the reputation of being an inexpensive, non-toxic and Rare Earth (RE) ion free luminescence source, which can be used to generate white Light Emitting Diodes (LEDs) with persistent luminescence properties; and for its versatile …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 16–26 Read article
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Synthesis and Production of Innovative Energetic Materials
Abstract: Energetic materials such as explosives, propellants and pyrotechnics are used world widely for civilian and military applications. There are research programs worldwide to develop pyrotechnics with reduced smoke and new explosives and propellants with higher performance or improved insensitivity to thermal or shock insults. In current years, the synthesis of energetic and heterocyclic compounds have received a great amount of interest. Heterocycles generally have a higher heat of formation, density, …
Published in International Journal of Energetic Materials · Vol. 3, Issue 1, 2017 · pp. 5–10 Read article
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Rocket Propellants as an Efficient Energetic Material
Abstract: Rocket propellant is either a high oxygen containing fuel or a mixture of fuel plus oxidant, whose combustion takes place, in a definite and controlled manner with the evolution of a huge volume of gas. In the rocket engine, the propellant is burnt in the combustion chamber and the hot jet of gases (usually at very high pressures, with combustion temperatures approaching 3000K) escapes through the nozzle at very high …
Published in International Journal of Energetic Materials · Vol. 3, Issue 2, 2017 · pp. 19–22 Read article
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Low-graded coals to upgrade
Abstract: Coal can be defined as a chemically and physically heterogenous, “combustible”, sedimentary rock consisting of both organic and inorganic materials. Organically, coal consists primarily of carbon, hydrogen, and oxygen, with lesser amounts of sulphur and nitrogen. Inorganically, coal consists of a range of ash-forming compounds distributed throughout coal. Major types of analysis are proximate analysis, ultimate analysis and calorific value analysis. Heat value or calorific value determines energy content of …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 42–60 Read article
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Photo-Semiconductor Catalysts for Water Splitting
Abstract: Photoelectrochemical (PEC) water splitting by means of sunlight appear for an eco-friendly and capable technology. Semiconductor electrode materials as the chief components in PEC water splitting cells have vital impacts on the device’s solar-to-hydrogen conversion efficiency, energy failure related to rapid recombination of photoinduced electron-hole pairs, as well as electrode deprivation, various kinds of electrocatalysts for improving PEC water splitting. Semiconductor oxide photocathode and photoanode (TiO2, Fe2O3, WO3, BiVO4, InGaAsP …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 25–30 Read article
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Study on Hazardous Explosives
Abstract: The Mining sector uses explosives to extract ore and discover orebodies, according to the Canadian Explosives Research Laboratory. Oil and gas companies use them to construct pipelines, the forest business uses them to construct roads, and the construction industry uses them to construct infrastructure. Explosives are required by the aerospace sector to power the rockets that launch satellites into orbit. Among other things, explosives are necessary for the rocket fuel …
Published in International Journal of Energetic Materials · Vol. 7, Issue 2, 2021 · pp. 26–33 Read article
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Review on Protection Materials of Astronaut’s Space Suits During Space Flights
Abstract: Protective suits are among the few complex and one-of-a-kind items of improving technology. It was basically miniature personal aircraft that provide astronauts with the protection they need such in space. The sheer intricacy of existing in space necessitates the use of several products and parts in the creation of a space suit. A spacesuit is a high pressure suit that astronauts wear during space missions. It's made to keep them …
Published in International Journal of Energetic Materials · Vol. 7, Issue 2, 2021 · pp. 13–18 Read article
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Potential Applications of Titanium Dioxide in Diverse Fields
Abstract: Metal oxide semiconductors, such as TiO2 nanoparticles are frequently used as photocatalyst due to non-toxicity, chemical stability, and the ability to possess relatively high photocatalytic activity of TiO2. Laboratory studies have demonstrated that organic compounds such as alcohols, carboxylic acid, phenolic derivatives, and chlorinated aromatics can be readily mineralized by TiO2 into harmless carbon dioxide, water and simple mineral acids, using molecular oxygen as the primary oxidant. Keywords: environmental pollution, …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 8–10 Read article
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Role and Application of Aluminum Alloys
Abstract: Alloy wheels are wheels that are made from an alloy of aluminum or magnesium. Alloys are mixtures of metal and other elements. They generally provide greater strength over pure metals, which are usually much softer and more ductile. Aircraft manufacturers use high-strength alloys (principally alloy 7075) to strengthen aluminum aircraft structures. Aluminum alloy 7075 has Copper (1.6 %), Magnesium (2.5 %) and zinc (5.6 %) added for ultimate strength, but …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 17–24 Read article
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Ability of Metallic Materials to Resist Surface Damage Induced by High-temperature Action of Air or other Gaseous Mediums
Abstract: The features of the oxide layer scale that forms on the metal's surface and limits gas penetration into the metal, limiting the growth of gaseous corrosion, influence a metal's or alloy's oxidation resistance in an oxidising atmosphere. The rise in weight of sample being tested (due to oxygen uptake by the metal) or even the weight loss after removing the scale from the sample's surface, related to a unit surface …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 1, 2022 · pp. 16–21 Read article
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Ferromagnetism in II-VI Diluted Magnetic Semiconductor, Zn0.96Mn0.04O Nanostructures by Green’s Theorem
Abstract: Ferromagnetism in II-VI diluted magnetic semiconductor, Zn0.96Mn0.04O is studied. Using the Heisenberg principle, the spin exchange between the neighboring spin is discussed. Heisenberg’s model describes the Hamiltonian of the system in terms of spin density and excitons. Mathematically, magnetic parameters such as magnetizations and magnetic susceptibility are determined by Green’s function. Ferromagnetism is expected from sp-d exchange interactions (RKKY), point defects such as oxygen vacancies, and Zn interstitial and quantum …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 2, 2022 · pp. 28–36 Read article
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Saccharomyces cerevisiae and Its Usage in Electricity Generation
Abstract: The reasonable, practical and vitality productive wastewater treatment remains an inquisitive worry among researchers. Microbial power device (MFC) can offer such rich arrangements. MFC is an electrochemical framework that proselytes substance vitality of concoction mixes into power through metabolic exercises of microorganisms. MFCs are financially savvy approach for wastewater treatment because of expulsion of contaminants from wastewater while in the meantime delivering electrical force. The wastewater, which is a wellspring …
Published in International journal of Nanobiotechnology · Vol. 2, Issue 1, 2016 · pp. 5–9 Read article
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Synthesis, Characterization and Biological Studies Using X-Beam Crystal Structures Which Utilizes (1) Cu Kα Data with Synchrotron Data
Abstract: The outcomes demonstrate that the complex responds as a bidentate ligand and is bound to the metal particle through the two oxygen iotas of the ligand (HL). The enactment energies, ΔE*, entropies ΔS*, enthalpies ΔH* and request of responses have been gotten from differential thermo-gravimetric (DTA) bends. In light of hindrance zone breadth estimations, the complex showed noteworthy antibacterial movement against both Staphylococcus aureus and Escherichia coli. It additionally displayed …
Published in International journal of Nanobiotechnology · Vol. 3, Issue 1, 2017 · pp. 1–5 Read article
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Controlled Texture of Magnetron Sputtered Transparent Conducting ZnO: Al Films for Solar Cell Applications
Abstract: Textured transparent and conducting ZnO:Al films were prepared by rf-magnetron sputtering on glass substrate at a temperature 3500C under Ar and Ar+O2 gas ambient. ZnO:Al thin films shows a minimum electrical resistivity of (~8.210-4 Ω-cm), and high optical transmittance (T~86–90% average) in visible region. With increasing of oxygen concentration ZnO:Al films become more compact, stoichiometric and becomes more electrically resistive. ZnO:Al shows hexagonal wurtzite polycrystalline structure with strong (002) orientations. …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 1, Issue 2, 2015 · pp. 12–19 Read article