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1787 articles for “investigation”
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Techniques of Atomic Structure Orbit Potential of The Frequency Characteristics of Silicon Element
Abstract: This study explores the technological applications and material integration of semiconductor materials, with a focus on their electronic properties and practical implementations. The investigation primarily addresses four key objectives: analyzing the electronic band structure and density of states (DOS) of semiconductor materials, evaluating the band alignment in heterojunctions, and integrating these materials into practical technological applications. Using a simplified tight-binding model, we compute and plot the electronic band structure of …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 3, 2024 · pp. 16–32 Read article
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Vibration Characteristics of Copper-Aluminium Composite under Different Boundary Conditions: Experiment and Simulation
Abstract: The utilization of vibration analysis on the tapered beam significantly enhances the engineering investigation and design process. It is notable that the width of the tapered beam exhibits variation along its length, while the height remains constant. Experimental modal testing aims to determine modal factors such as natural frequency, damping, and mode shapes. A comparative study is presented in this paper, examining the vibrational characteristics of tapered beams composed of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 190–203 Read article
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Effect of Polymer Fiber on Concrete Made with Artificial Fine Aggregate from Demolished Buildings
Abstract: This research describes an experimental investigation that assesses the impact of polymer fiber and artificial fine aggregate on concrete properties. Polymer fiber, on the other hand, has the potential to function as a superplasticizer additive, which might lead to concrete's superior elasticity, higher strength, and reduced rate of water absorption. Thus, an experimental inquiry was conducted to ascertain the ideal admixture dose and investigate the consequences of admixture overdosage. Also, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 286–296 Read article
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Influence of Nozzle Temperature, Nozzle Diameter, and Layer Height on Tensile and Hardness Characteristics of 3D Printed CF-PLA
Abstract: This research investigates the mechanical characterization of CF-PLA (Carbon Fiber-reinforced Polylactic Acid) composite material produced using Fused Deposition Modeling (FDM) technology. The study investigates the impact of different machine parameters, like nozzle temperature, nozzle diameter, and layer height, on the tensile property and hardness of CF-PLA specimens. A total of 27 samples were produced, each with different combinations of nozzle temperature (190°C, 200°C, and 210°C), nozzle diameter (0.4mm, 0.5mm, and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 674–681 Read article
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Optimization of Polymer-Enhanced Sustainable Concrete: A Composite Approach with Bentonite and Crumb Rubber Aggregates
Abstract: The disposal of rubber tyres has become challenging; on the other hand, the utilization of rubber tyres is also increasing daily in society. The successful use of crumb rubber as an alternative aggregate and bentonite as a partial cement replacement in concrete composites has been well established through prior research. These materials have individually demonstrated their potential to enhance sustainability, improve concrete properties, and reduce environmental impact, paving the way …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 701–715 Read article
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Effect of Drilling Process Parameters on Surface Roughness of LM6/B4C/Fly Ash Hybrid Composites
Abstract: This research seeks to assess the effect of process variables such as feed rate (FR), spindle speed (SS), drill material (DM) and reinforcement (R%) on surface roughness (SR) when drilling LM6/B4C/Fly ash hybrid composites. The stir casting process was used to fabricate the LM6/B4C/Flyash hybrid composites utilizing LM6 aluminum alloy as the matrix material and B4C/Fly ash as strengthening materials. Experiments were carried out using an L18 orthogonal array (OA) …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 898–906 Read article
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Drilling Parameters Optimization in LM6/B4C/Fly ash Hybrid Composites by Taguchi Technique
Abstract: Aluminium matrix composites (AMCs) are challenging to machine due to its abrasive characteristics. Because of the broad adoption of MMCs, it is vital to create sufficient equipment to facilitate efficient manufacturing. The current study utilizes signal-to-noise ratio (S/N) analysis to determine the ideal machining parameters for drilling AMC’s. The goal with this study is to investigate the effect of feed rate (FR), drill type (D), speed (SS), reinforcing material R …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 890–897 Read article
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Exploring The Therapeutical Potential Of Pongamia Pinnata For Herpes Simplex Virus Type 1 (HSV-1)
Abstract: Objective: Pongamia pinnata (L.), commonly known as Indian beech or pongam tree, is a tropical plant renowned for its medicinal properties in traditional medicine systems. Extracts derived from various parts of Pongamia pinnata have demonstrated antimicrobial, anti-inflammatory, and immunomodulatory activities. Such attributes make it a compelling candidate for exploring its therapeutic potential against HSV infections. Thymidine kinase is the target protein mostly used in the treatment of HSV1 infections. In …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 15, Issue 1, 2025 · pp. 1–9 Read article
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Influence of Polymeric Materials on Osseointegration and Stability of Dental Implants: An In-vivo Resonance Frequency Analysis
Abstract: Osseointegration, the successful integration of dental implants with surrounding bone tissue, is crucial for long-term implant stability. Resonance frequency analysis (RFA) provides a valuable tool for assessing implant stability. This in-vivo study investigates the potential role of polymeric materials used in dental implants, such as surface coatings or membranes, in influencing osseointegration and RFA-measured stability. By analysing the impact of these polymers on factors like cell adhesion, proliferation, and differentiation …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 1051–1057 Read article
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Evaluation of AGO Adsorption Rate Isotherms Using Adsorbent Formulation of Plantain Agbagba1 and Clay of Different Mix Ratio in Pollutant Remediation in Salt Water
Abstract: The application of some agro-based materials in combination with day soil, for the production of adsorbents were investigated in relationship to their performance in AGO (Diesel) treatment in a batch process unit. The research allows the model concept of Langmuir isotherm, Frundlich isotherm and Temkin Isotherm for the determination of the adsorption rate of the various isotherms with respect to the effect of the particle size and the mixed ratios …
Published in International Journal of Pollution: Prevention & Control · Vol. 2, Issue 2, 2024 · pp. 31–42 Read article
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Synthesis and Structural Characterization of Nanocrystalline CeO2 and Ce0.95Cu0.05O2 Solid Solution Catalysts: Properties and Applications
Abstract: The main study and the development of CeO2 and Cu-doped CeO2 nanocrystals containing transition- metal species are of crucial importance for understanding the preparation and fabrication of CeO2 and Cu-doped CeO2 nanoparticles by solution combustion technique to taken glycine as fuel. The structural properties of Ce1-xCuxO2 nanocrystals were examined by investigating the influence of cerium dioxide and Cu dopant ions. The CeO2 single-phase cubic system was successfully incorporated with Cu …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 3, 2024 · pp. 29–38 Read article
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Particle Size Effect on the Physicochemical Parameters of Water Media in Treatment of Contaminants of AGO and PMS
Abstract: Some of the physicochemical properties of contaminated water media with AGO and PMS was monitored upon the particle size effect and mix ratio. The physiochemical parameters monitored are potassium ammonia, iron and manganese concentration upon the performance of the formulated adsorbent immersed in the salt water and fresh water medium. The investigation demonstrates the occurrence of leaching in the process, which shows that some of the parameters adsorbed by the …
Published in Journal of Petroleum Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 27–36 Read article
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An Overview of Examination of Some Basic Raw Materials for Adsorbent on Approach of Pollutant Mitigation and Treatment
Abstract: This research showcases the basic parameters that are required to produce bio-adsorbent suitable for adsorption process and their important role on treatment of contaminated water environment. The overview of the physicochemical parameters of the raw materials used for the production of the adsorbents, the particle size and the mix ratio were identified as a contributing factor to the rate of contaminants mitigation in the system. The effect of water pollution …
Published in Journal of Petroleum Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 01–16 Read article
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Comparative Efficacy and Safety of Safinamide and Rasagiline in the Treatment of Parkinson’s Disease: A Meta-Analysis and Systematic Review
Abstract: Background: Recent studies have suggested Rasagiline and Safinamide monotherapy as potential management options for Parkinson’s disease. Parkinson’s disease, a neurological disorder characterized by tremors and movement difficulties, necessitates treatments aimed at managing clinical symptoms. Levodopa remains the primary effective treatment for Parkinson’s disease symptoms; however, its long-term use often leads to motor complications in many patients. Additional therapeutic drugs, such as dopamine agonists and monoamine oxidase B inhibitors, including Safinamide …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 14, Issue 3, 2024 · pp. 74–91 Read article
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Nanocomposites of Polyethylene-Closite 20A: Preparation and Characteristics
Abstract: Low-density polyethylene/closite 20A nanocomposites with different organoclay contents were made in the current study by a melt mixing technique with two different compatibilizers of varying contents: low molecular weight oxidized polyethylene and low molecular weight trimethoxysilyl modified polybutadiene. The inclusion of compatibilizers and concentrations of organoclay were analyzed in relation to the mechanical and thermal properties of the nanocomposites. The dispersibility of the silicate clay in the nanocomposites was investigated …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 15, Issue 1, 2025 · pp. 01–12 Read article
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Designing for Mind: The Role of Psychology in Retail Interior
Abstract: This research paper investigates the critical role of psychology in retail interior design and its influence on consumer behavior and experience. Through an analysis of psychological principles such as store layout, color psychology, lighting, and sound, this study aims to uncover how these elements can be strategically applied to create engaging and effective retail environments. Two case studies, Westside and Shopper’s Stop at Phoenix Palassio, are examined to demonstrate the …
Published in International Journal of Urban Design and Development · Vol. 2, Issue 2, 2024 · pp. 56–70 Read article
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From Mourning to Manipulation: Navigating the Psychological Terrain of AI Grief Therapy
Abstract: This literature review explores the psychological and ethical dimensions of virtual conversations with AI-based digital representations of deceased individuals. Specifically, it examines the therapeutic affordances of these interactions, as well as potential maladaptive coping mechanisms, including prolonged mourning, emotional exploitation, and memory distortion. Based on a review of 13 academic studies from 2021 to 2024, this paper critically analyzes ethical dilemmas related to informed consent, data commodification, and the autonomy …
Published in International Journal of Behavioral Sciences · Vol. 2, Issue 1, 2025 · pp. 34–41 Read article
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Comparison of High and Low Temperature Properties of Dual Modified Asphalt Binders with Polyphosphoric Acid and Polymer Modified Bitumen using Rheological Tests
Abstract: The main objective of this study was to investigate the properties of asphalt binder mixtures at both high and low temperatures. To achieve this, two types of admixtures were selected and combined, resulting in a technology known as dual modified asphalt binders. Extreme temperatures during summer and winter can lead to significant issues such as cracking and rutting in asphalt binder pavement. In order to address these problems, a comprehensive …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 23–34 Read article
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Performance Analysis of Biogas Production from Onion Leaves and Cow Dung Compositions
Abstract: Biogas could be obtained from agricultural byproducts; and onion leaves and cow dung is agricultural byproduct abundantly available in Aliero Northwestern Nigeria. This study entails biogas production from onion leaves, cow dung and their mixtures. The onion leaves and cow dung at equal proportions and the sum of their half (Mixture) were poured into three 25 l digesters for experimental investigations. The optimal biogas yields, the component composition of gases …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 16, Issue 1, 2025 · pp. 1–9 Read article
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The Relationship Between LOH Severity and Androgen Receptor Gene CAG Repeat Length of Korean Men Affected with LOH
Abstract: Context: There have been no investigations on the severity of late-onset hypogonadism (LOH) of Korean male according to their androgen receptor gene CAG repeat length. Aim: To investigate the relationship between late-onset hypogonadism (LOH) and androgen receptor gene CAG repeat length in Korean men. A total of 106 patients with LOH from Pyongyang City participated in this study. LOH was diagnosed in individuals who had a serum testosterone level below …
Published in Research and Reviews: A Journal of Medicine · Vol. 15, Issue 1, 2025 · pp. 32–37 Read article