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164 articles for “active gas”
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Selection and Mechanism of using active gas in GTAW Process – A review
Abstract: Gas tungsten arc welding process is known for its good quality welds. However, the lack of penetration of the process leads to low productivity. Many techniques have been implemented in the past to improve the joint penetration and thereby the productivity of GTAW process. In one of the technique, active gas like Carbon dioxide, Nitrogen or Oxygen is used in some proportion along with the inert gas. This addition of …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 1, 2018 · pp. 49–61 Read article
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The Reserves and Production Trends of Ghana’s Petroleum Resources
Abstract: Fossil fuels consumption has been a major source of energy in the past three decades. Globally, this accounts for over 80% of the primary energy mix. Ghana has huge hydrocarbon reserves. These reserves include fields such as the Saltpond field currently planned for decommissioning, Jubilee, Tweneboa-Enyenra-Ntomme (TEN), and the Sankofa-Gye Nyame (SGN) fields. The dwindling rate of these fields over the years has become a great concern. This work has …
Published in Journal of Petroleum Engineering & Technology · Vol. 12, Issue 3, 2022 · pp. 28–37 Read article
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Gas Sensors Fabricated using Carbon Powder Derived from Dried Banana Peels Waste to detect Methanol, Ethanol, Acetone Vapors and Carbon Dioxide Gas
Abstract: Low cost and environmentally friendly activated carbon powder was synthesized using waste banana peels. Phosphoric acid was utilized as activation agent. Doctor blade method was employed to fabricate films of activated carbon on conductive or nonconductive glass substrates. Films were subsequently annealed at 70 0C for 30 minutes in air. According to XRD patterns, single phase of activated carbon was crystallized in thin film form. Carbon prepared from banana peels …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 3, 2025 · pp. 14–25 Read article
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Review on the Phytochemical Property and Cellular Toxicity of Ajwain
Abstract: A multitude of herbs and culinary ingredients utilized in Indian cuisine hold significant nutritional value. Among these, ajwain stands out as a widely consumed spice, particularly in India, where it is often added to curries to aid in digestion. Ajwain is obtained from the seeds of the Trachyspermum ammi plant, which is a member of the Apiaceae family. This spice possesses various medicinal properties, including its ability to address gastrointestinal …
Published in Research and Reviews: A Journal of Toxicology · Vol. 13, Issue 1, 2023 · pp. 22–25 Read article
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Enhancement of Gas Sensitivity of Composites of Carbon Derived from Rubber Tree and SnO2 to Detect Ethanol Vapor at Room Temperature
Abstract: Films of composites of activated carbon powder prepared from saw dust derived from core of rubber tree (Hevea Brasiliensis) and tin oxide (SnO2) were fabricated using the doctor blade method. Carbon powder was activated using phosphoric acid at 500°C for 45 minutes. The weight ratio carbon/SnO2 varied from 0 to 12% in steps of 2. The structural, optical and morphological properties of films were investigated using XRD patterns, UV-visible spectrums …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 2, 2025 · pp. 31–44 Read article
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Interrelationship Between Psychological Stress and Gastrointestinal Physiology: Role of the Gut–Brain Axis
Abstract: The relationship between stress and gut microbiome is a critical area of medical research underscoring the relativity and impact of psychological and emotional states on gastrointestinal (GI) health. This paper investigates the intricate relationship between stress and digestive health by analysing the influence of stress hormones, gut–brain interactions, and psychosocial determinants. Both acute and long-standing stress responses may disrupt normal gastrointestinal activity, affecting motility, secretion, intestinal microbiota, and overall digestive …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 15, Issue 2, 2026 Read article
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Greenhouse Gas Emissions, Land Use, and Sustainable Natural Resource Management: A Review
Abstract: Greenhouse gas (GHG) emissions, changes in land use, and the exploitation of natural resources are significant obstacles to achieving global sustainable development goals. These interconnected challenges have far-reaching implications for environmental stability, economic growth, and societal well-being.Urbanization, deforestation, and agriculture are examples of land use activities that significantly increase greenhouse gas emissions. Agricultural activities release methane and nitrous oxide, while deforestation leads to carbon dioxide emissions by reducing forest cover, …
Published in International Journal of Sustainability · Vol. 2, Issue 1, 2025 · pp. 7–11 Read article
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Automatic Gas Leakage Detection System
Abstract: This project report presents the design and implementation of a focused automatic gas leakage detection and ventilation system centered on the Arduino Nano microcontroller and the MQ-2 gas sensor. The primary function of the system is to detect flammable gases like LPG, propane, and methane using the MQ-2 gas sensor. This sensor continuously monitors the surrounding air for the presence of these gases. When the gas concentration crosses a predefined …
Published in Journal of VLSI Design Tools and Technology · Vol. 15, Issue 3, 2025 · pp. 29–35 Read article
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Modeling of the Mechanism of Generating Processes of Water Electrolysis and Photosynthesis with Solar Energy Used for Productions of Gas Oxygen and Hydrogen, of Concentrate of the High-calorie Microalgae Chlorella, and for Industrial Wastewater Treatment
Abstract: The use of solar energy for generation of the process of water electrolysis, permitting the oxygen and hydrogen gases production, concentration of the high-calorie fast productive Chlorella microalgae, and industrial wastewater treatment is the most promising direction today. This is explained by the complete absence of electrical energy consumption for the implementation of these industrial technological projects. No less interesting is the process of photosynthesis of phytoplankton cells, which also …
Published in International Journal of Advance in Molecular Engineering · Vol. 1, Issue 1, 2023 · pp. 7–21 Read article
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Synthesis of Silver Nanoparticles of Cissus Quandrangularis and It’s Virtual Screening Against Gastric Cancer
Abstract: Gastric cancer, also known as stomach cancer, is the third leading cause of cancer-related deaths globally and remains a major health challenge due to its poor prognosis and high mortality, largely attributed to late-stage diagnosis. In this context, plant-based nanomaterials are gaining momentum for targeted therapeutic applications. Cissus quadrangularis, a medicinal plant native to India from the Vitaceae family, is traditionally used for its diverse healing properties. Its stem, in …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1551–1569 Read article
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Application of Monod and Finite Element Models for Groundwater Cleanup in the Niger Delta Area of Nigeria
Abstract: The Niger Delta region of Nigeria, known for its rich biodiversity and extensive oil and gas exploration activities, faces significant environmental degradation, including groundwater contamination. This study investigates the application of Monod kinetics and Finite Element Models (FEM) in the cleanup of groundwater contamination in the Niger Delta. Specifically, the research integrates Monod models to understand microbial degradation rates in contaminated aquifers and FEM to simulate the groundwater flow and …
Published in Journal of Catalyst & Catalysis · Vol. 12, Issue 1, 2025 · pp. 39–47 Read article
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Therapeutic Effect of Asthishrunkhala (Cissus quadrangularis) in Fracture Healing and Other Disease Conditions
Abstract: Skeletal health is important to maintain quality life, as it is known that qualitative bone helps preventing untoward bone fractures because of a good level of bone marrow density (BMD), but due to several factors, like the ageing process the skeletal strength decreases from natural lowering of BMD, since ancient ages plants have served human beings as a natural source of treatment and therapies, among them many medicinal herbs have …
Published in Research and Reviews : A Journal of Immunology · Vol. 7, Issue 3, 2017 · pp. 11–15 Read article
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Synthesis and Characterization of Sustainable, Low-Cost, Biomass-Derived Carbon Films from Hevea Brasiliensis (Rubber) Wood for Environmentally Friendly Gas Sensors with Enhanced Selectivity and Sensitivity to Polar Vapors and Hazardous Gases
Abstract: Hevea brasiliensis (rubber) wood sawdust was utilized to fabricate carbon gas sensors for detecting 1000 ppm of ethanol, methanol, acetone, carbon dioxide, and ammonia gases. The carbon particles were prepared by phosphoric acid impregnation followed by thermal activation and then fabricated into films on conductive and non-conductive substrates using the doctor blade method. X-ray diffraction (XRD) analysis revealed distinct graphitic features with peaks at the (002) and (100) planes, indicating …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 1, 2025 · pp. 22–36 Read article
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Synthesis and Evaluation of MgO-Supported Activated Carbon for Carbon dioxide Capture
Abstract: Carbon dioxide (CO₂) capture has emerged as a critical strategy for mitigating greenhouse gas emissions and addressing global climate change. In this study, a series of MgO-supported activated carbon adsorbents containing 2, 4, 6, 8, and 10 wt% MgO were successfully synthesized using the impregnation method to evaluate their CO₂ adsorption performance. The structural, chemical, and surface properties of the prepared materials were characterized using powder X-ray diffraction (PXRD), Fourier-transform …
Published in Journal of Catalyst & Catalysis · Vol. 13, Issue 3, 2026 Read article
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Stomach Mimicry of A-Forte for Pharmacokinetic Insight
Abstract: Drug absorption from solid dosage forms after oral administration depends on the release of the drug substance from the drug product, the dissolution or solubilization of the drug under physiological conditions, and the permeability across the gastrointestinal tract. In vitro dissolution may be relevant to the prediction of in vivo performance. To evaluate the in vitro dissolution of A-forte, a siddha proprietary medicine and the influencing factors, a study of …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 2, Issue 2, 2015 · pp. 8–12 Read article
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Estimation of Drilling Waste Generation for Effective Waste Management
Abstract: Drilling operations remains the second generator of oil and gas waste after production activities. They are prominent among the primary sources of exploration and production waste. Wastes from drill cuttings and mud, and obnoxious gas emissions are the major contributors of these drilling wastes. These have direct and indirect impact on both humans and the environment. Poor estimation of waste may lead to solid and or liquid loadings at the …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 14–19 Read article
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STRATEGIES FOR TRANSFORMING OIL AND GAS SECTOR FOR ECONOMIC GROWTH AND ENVIRONMENTAL SUSTAINABILITY IN NIGERIA
Abstract: There is great demand for drastic transformation of oil and gas sector for optimal delivery,environmental safety, and economic growth in Nigeria. The ever-increasing demand and insufficient supply of oil and gas products in Nigeria has been a great challenge to her development. This paperhighlighted some strategies for transforming oil and gas sector in Nigeria. Recent annual report of department of petroleum resources were used as the basis for the investigation …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 2, 2021 · pp. 40–45 Read article
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Review of Health and Safety Hazards in Oil and Gas Industry using HIRA Method
Abstract: Oil and gas industry has various types of hazards such as physical, chemical, biological, ergonomical, psychological. From the annual reports, case studies and research papers of previous years were analyzed for knowing the possible hazards during different activities in oil and gas industries. The result indicates change in control systems can develop healthy and safe environment at work place. Risk assessment is required on a daily basis in the oil …
Published in Journal of Industrial Safety Engineering · Vol. 9, Issue 2, 2022 · pp. 1–5 Read article
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Polysaccharide based Graft Copolymers and their Applications as Flocculants for Drilling Fluid Wastes
Abstract: Pure water is essential for the survival of living beings. It is used for human consumption, agricultural and industrial activities. During oil and gas well drillinglarge amount of drilling fluid are used. These drilling fluids are mainly water based bentonite solutions which plays a major role in keeping safe and efficient oil and gas well drilling. After their prolonged use, these drilling fluid wastes needs to be disposed of in …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 9–21 Read article
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An Evaluation of the Risk and Safety Standards of some Fuel Stations in Tarkwa
Abstract: Fuel stations play a major role in the downstream sector of the oil and gas industry. However, their activities are associated with high risk of safety and environmental issues posing traits to fuel attendants, customers and immediate environs. Since 2007, Ghana has recorded numerous accidents at some fuel stations across the country claiming lives and unaccounted damages to assets due to inadequate knowledge of standardised safety policies and poor handling …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 6–13 Read article