Search
1972 articles for “investigations” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
-
Impact of New-Defined Criteria on Evaluation of Depth of Investigation for Radial and Transient Linear Flow
Abstract: The depth of investigation (DOI) is a fundamental parameter in many reservoir engineering calculations, whereas there is no generally accepted industry standard and evaluation method so far. Inconsistencies or errors will arise when unconditionally using various formulae to calculate the value of DOI. This paper investigated the key issues about DOI in terms of production rate, pressure cut-off value, especially the selection of evaluation criteria. New relations for DOI evaluation …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 3, 2021 · pp. 7–18 Read article
-
Numerical and Experimental Investigation on I-type Damage Evolution in Glass Fiber Reinforced Laminates Subjected to Quasi Static Loading
Abstract: Glass fiber reinforced polymer composites has become more popular material used in aerospace and marine structural applications due to their specific strength and anti-corrosion properties. The present work discusses the numerical and experimental investigation on I-type damage evaluation in glass fiber reinforced laminates under quasi-static loading is presented. Three volume fraction of glass and resin (40/60, 50/50 and 60/40) plies were selected for both numerical and experimental damage analysis. The …
Published in Emerging Trends in Chemical Engineering · Vol. 4, Issue 3, 2017 · pp. 27–33 Read article
-
Investigating the Effect of Communication Strategy and Commitment on Incident Reporting
Abstract: Incident reporting is extensively used in the mining industry. By far, certain factors such as behavior, communication culture and safety culture that influence its effectiveness have been investigated. However, the influence of other factors such as communication strategy and commitment of mine workers on incident reporting have not been established. This study investigates the effect of communication strategy and commitment of gold mine workers on incident reporting. The descriptive research …
Published in Journal of Industrial Safety Engineering · Vol. 9, Issue 1, 2022 · pp. 21–29 Read article
-
Investigation and Comparison of Different Action of Catalyst and Process Conditions in the Production of Chlorobenzene
Abstract: Overview on the investigation and comparison of different action of catalyst and process conditions reveals that the productions of chlorobenzenedoesnot occur naturally, Chlorobenzene is an aromatic compound with chemical formula C6H5Cl. This colorless, volatile, water-insoluble, flammable liquid with a penetrating smell of almonds is a common solvent which is gotten mostly from the chlorination of benzene and widely used intermediate in the manufacture of other chemicals. Production of chlorobenzene is …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 2, 2020 · pp. 1–4 Read article
-
Investigation into the Use of Anaerobic Co-digestion of Cow Dung for Biogas Production
Abstract: The research is targeted on investigating the use anaerobic co-digestion of cow dung for biogas production, and to influence a decrease in the concentration of sulphide using direct inclusion of facultative lagoon sediment with sodium and calcium alginate. It was noted that 1 minute concentration of calcium alginate and sodium was introduced right from the beginning of the anaerobic digestion cycle shows the tendency to increase methane concentration and reduce …
Published in Emerging Trends in Chemical Engineering · Vol. 9, Issue 1, 2022 · pp. 23–28 Read article
-
Machinability Studies of Chrome Steel in Turning Operation: An Experimental Investigation
Abstract: Studies on Machinability aspects are important from the standpoint of optimizing the parameters setting during the machining operations. This paper adds value to the knowledge base of machinability aspects. A report on the experimental investigation conducted, to study the effects of machining parameters on Surface Finish and Material Removal Rate (MRR) during the turning operation is presented. The current experimentation was carried out using two grades of chrome steel namely …
Published in Journal of Industrial Safety Engineering · Vol. 3, Issue 2, 2016 · pp. 10–18 Read article
-
Conceptual Investigation of Temperature Effect on Total Dissolved Solid and Electrical Conductivity on Treatment of Polluted Water Using Adsorbent
Abstract: The conceptual investigation of temperature effect on total dissolved solid and electrical conductivity of petroleum hydrocarbon contaminated water medium was monitored using adsorbent packed in packed bed column. The experiment was set up for treatment of the contaminated water medium with crude oil and the initial concentration of the total dissolved solid and electrical conductivity was determined as well as after treatment. The result obtained showcases high mitigation in the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 3, 2023 · pp. 45–50 Read article
-
Evolution and Impact of Forensic DNA Typing in Modern Investigation
Abstract: Forensic DNA typing is sometimes called DNA fingerprinting. Immigration, paternity, and criminal investigations use forensic DNA typing. Forensic genetics today includes bodily fluid identification, fast DNA analysis, forensic microbiology, and phenotypic profiling. Human cells contain DNA, a molecular code. Human DNA sequences are 99.9% the same in everyone. Every person has almost 0.1% unique DNA. Forensic experts also worry about this 0.1 percent of DNA that is unique. There are …
Published in International Journal of Molecular Biotechnological Research · Vol. 2, Issue 1, 2024 · pp. 62–66 Read article
-
Numerical and Experimental Investigation of AlHE30 for Rectangular Finned Cooking Vessel
Abstract: AbstractFins are basically extended surface, which is used to increase the heat transfer rate, this is basically a secondary surface mounted on primary surface to augment heat transfer from it. A numerical study using ANSYS were conducted to optimize fin shape based on base temperature and maximize the heat transfer across the cooking vessel. By investigating fin of (AlHE30) material were conducted experiments the fin of diameter 14 and 195 …
Published in Journal of Thermal Engineering and Applications · Vol. 5, Issue 1, 2018 · pp. 28–36 Read article
-
Investigation on the Characteristics of Oil from Different Species of Cocos Nucifera
Abstract: The study evaluates the characteristies of the extracted oil from different species of coconut (Cocos Nucifera) obtained within the Niger Delta region, Nigeria. The coconut species consists of West Coast Tall (Species A), East Coast Tall (Species B), Maypan (Species C), Tiptur (Species D), Orange dwarf (Species E), Green Dwarf (Species F), Malayan yellow (Species G), Fiji Dwarf (Species H), Macapuna (Species I) and Kings (Species J). The results from …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 3, 2021 · pp. 17–33 Read article
-
An experimental investigation on nano concrete mixed with graphene oxide for bubble deck void slab
Abstract: Concrete is one of the material widely used in construction. Cement based concrete has great properties with high performance, its intrinsic brittleness is a weakness which needs further investigation. Several researchers in the past have used different materials to overcome this brittleness and over the past few years research has proven that addition of Graphene has improved mechanical properties like higher flexibility, Tensile strength, and Young’s Modulus. The experimental study …
Published in Journal of Construction Engineering, Technology & Management · Vol. 10, Issue 2, 2020 · pp. 36–47 Read article
-
Experimental Investigation of Surface Modification on Copper (Cu) with Pen-Shaped Plasma Torch
Abstract: The paper presents an experimental investigation on surface modification of copper (Cu) material by plasma treatment using pen-shaped plasma torch. Plasma is used for a variety of industrial applications like surface modifications, surface activation, and surface treatment for coating technology. The plasma device construction here is simple and effective. This development was required because available device is not useful for practical applications due to limited effective surface treating area. In …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 1, 2018 · pp. 40–47 Read article
-
Geotechnical and Geophysical investigations for a foundation underpinning solution in a residential building with differential settlements, in Asti Province (central Piedmont), NW Italy
Abstract: Foundation differential settlements are a recurrent topic for antique and no so antique buildings, for this particular case, an integrated approach of geotechnical and geophysical investigation was developed to provide information and support to the engineering design for the restoration of a building.Given the presence of widespread and pervasive wall fractures, compromising the static nature of the building, investigating the nature of the subsoil in depth was a need, in …
Published in Journal of Geotechnical Engineering · Vol. 10, Issue 3, 2023 · pp. 1–12 Read article
-
CFD Investigation of Volume Fraction of Nanofluid on Heat Transfer Rate in Micro Channel Heat Sink
Abstract: AbstractNew methods of removing heat from integrated chips of the electrical devices are very important. Mini channel liquid cooling is the new method by which we can remove heat from electrical devices easily. Uses of nanofluid in the mini channel liquid cooling is the experiment study. We investigated the effect of nanofluid on the heat transfer rate. We also investigated the effect of volume fraction of a nanofluid in the …
Published in Recent Trends in Fluid Mechanics · Vol. 4, Issue 3, 2017 · pp. 1–8 Read article
-
Anthrax Toxin Time-Resolved Absorption and Resonance FT-IR and Raman Biospectroscopy and Density Functional Theory (DFT) Investigation of Vibronic-Mode Coupling Structure in Vibrational Spectra Analysis
Abstract: Anthrax toxin is a three-protein exotoxin that is secreted by the bacterium's virulent strains, the anthrax causative agent Bacillus anthracis. Harry Smith first found the toxin in 1954. Anthrax toxin consists of a protein called a protective antigen (PA) binding cell protein and two enzyme parts called an edema factor (EF) and a deadly factor (LF). These three protein components act together to impart their physiological effects. Assembled complexes containing …
Published in Research and Reviews : Journal of Computational Biology · Vol. 8, Issue 2, 2019 · pp. 23–51 Read article
-
Preliminary Phytochemical Investigation of the Different Solvents of the Stem of the Anogesssuspendula: A Vulnerable Taxonomic Tree
Abstract: Medicinal plants are very important, and they are very useful kind of the gift of the nature. From the time remote, the plants and their various parts have been used for a variety of purposes. The development of the civilization has been correlated with the development and the utilization of the plants through various means. They are major sources of the medicines. In this research paper, we have worked on …
Published in Research and Reviews: A Journal of Health Professions · Vol. 9, Issue 1, 2019 · pp. 31–35 Read article
-
From Trace to Truth: Integrating Forensic Science, Analytical Chemistry, Medical Evidence and Artificial Intelligence in Modern Criminal Investigation
Abstract: Modern criminal investigations are inherently interdisciplinary, integrating medical research, forensic science, analytical chemistry, and artificial intelligence (AI) to transform hazy traces into reliable, legally recognised evidence. This study examines the ways in which different domains collaborate across the whole investigation process, ranging from judicial review, laboratory analysis, and computer processing to crime scene management and evidence retrieval. This research is based on a thorough review of scholarly literature and a …
Published in Research and Reviews: A Journal of Toxicology · Vol. 16, Issue 2, 2026 Read article
-
Investigating the Effect of Communication Strategy and Commitment on Incident Reporting
Abstract: Incident reporting is extensively used in the mining industry. By far, certain factors such as behavior, communication culture and safety culture that influence its effectiveness have been investigated. However, the influence of other factors such as communication strategy and commitment of mine workers on incident reporting have not been established. This study investigates the effect of communication strategy and commitment of gold mine workers on incident reporting. The descriptive research …
Published in Journal of Industrial Safety Engineering · Vol. 9, Issue 1, 2022 · pp. 21–29 Read article
-
Investigation of Mechanical Properties in Ductile Iron with Alloyed and Unalloyed at Time and Temperature on Austempering
Abstract: Due to the combination of its numerous excellent mechanical qualities, the flexible iron has been used more and more since its invention in 1948. To develop significantly improved characteristics, the unnecessary investigation is being done. The most recent development in the field of flexible iron, or SG iron, is Austempererd malleable iron. At four different temperatures, two different types of spheroidal graphite (SG) cast iron samples with varying copper weight …
Published in Journal of Polymer & Composites · Vol. 11, Issue 9, 2023 · pp. 1–9 Read article
-
Investigation of Electronic Transport Characteristics of Co-Doped B40 Molecular Junction for Detection of Isoprene: A DFT Study
Abstract: The early identification of lung cancer is crucial and it can be diagnosed non-invasively by assessing the exhalation. Analysing a patient's breath profile can reveal malignant growths in their lungs. In this work, B40 co-doped with indium and iron is used as a molecular junction to sense isoprene, a well-known lung cancer biomarker present in the exhalation. The electronic transport characteristics of the molecular junction designed for isoprene detection are …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 907–916 Read article