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1603 articles for “structure”
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The Potential Effect of Mass Variation on the Efficiency of the Single Electron System of Group II Elements
Abstract: This study explores the efficiency, interactions, and dynamics of single-electron systems in the group II family of alkaline earth metals. The efficiency of these systems is assessed by analyzing their energy levels, with beryllium demonstrating the highest efficiency at 3.6 e-22 due to its low atomic mass and favorable energy transitions. The isotopic distribution patterns for these elements reveal how variations in neutron numbers influence their nuclear stability and electronic …
Published in International Journal of Chemical Separation Technology · Vol. 10, Issue 2, 2024 · pp. 1–17 Read article
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Optimizing Robotic Arm Performance: A Finite ElementAnalysis Comparison to Nylon, PLA, and ABS
Abstract: This paper analyzes the mechanical behavior of three materials used in robotic arms: Nylon, PLA, and ABS, with an emphasis on three important parameters: total deformation and equivalent stress in different conditions of loading. In this regard, a finite element analysis was applied via the ANSYS software to simulate structural stiffness as well as their resistance against stress that these materials undergo when strengthened with steel reinforcements. The investigation shows …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 10, Issue 2, 2024 · pp. 1–12 Read article
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The Role of Odonata in Wetland Ecosystems: An Ecological Perspective
Abstract: Odonata, comprising dragonflies and damselflies, are integral to the health and sustainability of wetland ecosystems. These insects serve as both apex predators in aquatic habitats and key prey species in terrestrial food webs, ensuring ecological balance. In their larval stage, Odonata contributes to nutrient cycling and water quality by preying on detritivores and controlling populations of aquatic pests, such as mosquitoes. As adults, they help regulate terrestrial insect populations, acting …
Published in International Journal of Environmental Chemistry · Vol. 11, Issue 1, 2025 · pp. 14–19 Read article
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A Review of Bamboo Fiber’s Use in Concrete
Abstract: AbstractLocal sustainable materials must be found and used in the building and provision of homes due to therising demand for natural resources in emerging nations. Natural building materials that are regardedas sustainable are “green”, thousands of tons of bamboo are traded annually, and this creates a lot ofwaste. Bamboo was utilized in the building’s construction as well as in structural elements like roofing,columns, and supports. The main component utilized in …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 2, 2024 · pp. 33–36 Read article
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Nanomaterials via Green Synthesis: Insights into Biocompatibility and Biotechnological Applications
Abstract: This review critically examines recent advances in the green synthesis of nanomaterials (NMs) and their diverse biological applications, with a focus on antimicrobial, antioxidant, anticancer, and anti-inflammatory properties. The reviewed studies evaluated key characteristics of green-synthesized NMs, including their size, shape, and concentrations, as assessed in both in vitro and in vivo biological models. Compared to traditional chemical methods, green synthesis demonstrated superior efficacy, enhanced biocompatibility, and reduced toxicity. For …
Published in International Journal of Green Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–16 Read article
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Software Contributions to Analytical Instruments
Abstract: Laboratory instruments used in the analysis of the sample or preparation of raw materials are crucial in research and business. Such features as accurately measured values and data coverage. The coordination between software and these instruments has changed their roles, gaining flexibility, accuracy and efficiency of work. This paper aims to outline the various roles of software in the analytical process. Instruments, describing the progress in data obtaining, analysis, and …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–15 Read article
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Role of User Experience in Designing Human Settlements for Composite Climate
Abstract: Integrated settlements designed in a composite climate, characterised by vast variations in temperature, humidity, and seasonal extremes require the need to consider both the environment and the people. As end-users, through User Experience (UX) practices, it is always possible to improve the liveability and sustainability of such settlements. In this research, a questionnaire that aims at gathering user insights on how to design human settlements for composite climates is applied …
Published in International Journal of Housing and Human Settlement Planning · Vol. 11, Issue 1, 2025 · pp. 28–36 Read article
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Green Engineering of Wood-Plastic Composites: Utilizing Recycled Plastics for Environmental Sustainability
Abstract: This study explores the fabrication of wood-plastic composites (WPCs) using recycled polymers and natural fibers, aiming to create a renewable and durable alternative to traditional wood products. Utilizing agricultural and industrial waste as the raw materials, the research integrates various polymer blends with wood flour and other lignocellulosic fibers, enhancing mechanical and thermal properties. The innovative approach involves modifying the polymer matrix with eco-friendly additives to improve compatibility, adhesion, and …
Published in International Journal of Green Chemistry · Vol. 10, Issue 2, 2024 · pp. 8–16 Read article
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Dry Season Impact on Water Quality of Nworie River, Owerri, Nigeria
Abstract: This study assessed the physicochemical properties and heavy metal contamination of Nworie River during the dry season. Fifteen composite water samples were collected from strategic points along the river. In-situ measurements of pH, temperature, and electrical conductivity were undertaken, while laboratory analyses determined heavy metal concentrations. Pollution Load Index and Contamination Factor were employed to evaluate the overall water quality and contamination levels. Results indicated moderate to high levels of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 40–49 Read article
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Influence of GGBFS Content and Curing Methods on the Compressive Strength of Coconut Shell Concrete: A Mix Design Approach for Sustainable Construction
Abstract: AbstractThis study explores the development of a coconut shell concrete (CSC) mix design using theACI211.298 guidelines, targeting a compressive strength of 20 MPa for structural applications. Dueto the organic and flaky properties of coconut shell (CS), achieving the initial target strength of 40MPa was challenging, necessitating a focus on optimizing mix proportions for a 20 MPa goal. Theresearch investigates three different mixes with varying percentages of ground granulated blastfurnace slag …
Published in International Journal of Structural Engineering and Analysis · Vol. 10, Issue 2, 2024 · pp. 9–14 Read article
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Fatigue Performance of Carbon Fiber Reinforced Hybrid Nanocomposites Modified Using Core-Shell Rubber Particles and Nanosilica
Abstract: This study investigates the fatigue behavior of carbon fiber-reinforced epoxy composites modified with nanosilica, core-shell rubber particles, and a hybrid of both additives. Specifically, the composites were formulated with 10 wt% nanosilica, 10 wt% core-shell rubber particles, and a hybrid containing 10 wt% of each additive. The research aimed to assess how these modifications influence the mechanical performance and fatigue resistance of the composites under cyclic loading conditions. The addition …
Published in International Journal of Composite and Constituent Materials · Vol. 11, Issue 1, 2025 · pp. 8–20 Read article
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Development of a Delta Robot with Control Software and Mechanical Design
Abstract: This research explores the mechatronics design and implementation of a Delta robot, known for its high precision and speed in a variety of applications. The project involves the integration of a Mechanical CAD model with Kinematics, an Electronics system with a control algorithm, and the creation of Python-based software that includes controlling, programming, and visualizing the motion of the Delta robot. To expedite the construction of the Delta robot, 3D …
Published in International Journal of Computer Aided Manufacturing · Vol. 10, Issue 2, 2024 · pp. 11–18 Read article
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Impact of Cryogenic Temperatures on the Mechanical and Thermal Properties of Polymers and Composites
Abstract: The development of lightweight, high-performance materials for use in cryogenic environments is crucial for advanced applications in aerospace, energy storage, and industrial sectors. This study explores the thermodynamic and mechanical behavior of fiber-reinforced polymers and composite materials under extremely low-temperature conditions. The cryogenic performance of these materials, including their thermal stress resistance and impact properties, was assessed with a focus on polymer fragility and the durability of composites at temperatures …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 7–12 Read article
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Driving Sustainable Growth in Tech Startups through the Integration of Sustainable Development Goal 9
Abstract: Sustainable Development Goal 9 focuses on developing robust infrastructure, advancing inclusive and sustainable industrialization, and promoting innovation. It emphasizes that a strong infrastructure foundation is essential for economic progress, technological growth, and community well-being. By focusing on sustainable practices, SDG 9 encourages industries to adopt environmentally friendly technologies and sustainable production methods. Additionally, it emphasizes the importance of research and development as key drivers of innovation, enabling countries to enhance …
Published in International Journal of Architecture and Infrastructure Planning · Vol. 10, Issue 2, 2024 · pp. 1–7 Read article
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Advancements and Innovations in Superalloy CoatingTechniques: A Comprehensive Review of ECAP andHigh-Temperature Aluminization
Abstract: Equal Channel Angular Pressing (ECAP) is a pivotal technique within Severe Plastic Deformation (SPD), widely recognized for its exceptional capability to refine grain structures in metals and alloys down to the micro- and nanometer scales. This review offers an in-depth examination of the ECAP process, highlighting its effectiveness in generating ultra-fine grain microstructures that significantly enhance the mechanical properties of materials, such as strength, hardness, and ductility. We provide a …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 16–20 Read article
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Single-Electron System of the Group 2 Elements:A Comparative Investigation
Abstract: This study presents a comparative investigation of the single-electron systems in group 2 elements, withthe primary objective of understanding the underlying trends in ionization energy, chemical reactivity,spectral lines, and radial probability distributions. The purpose of this research is to elucidate howthese properties evolve as one moves down the group, from beryllium (Be) to radium (Ra), and toexplore the implications for theoretical models and practical applications. One of the key problemsaddressed …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 1–17 Read article
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One-Step Fabrication of Superomniphobic Pvdf-HFPSiO2Membrane for Long-Term CO2 Absorption inMembrane Gas Absorption System
Abstract: Membrane pore wetting is one of the major challenges for membrane gas absorption, especially when low surface tension liquid absorbents such as amine absorbents are utilized. To minimize diffusion resistance across the membrane, maintaining a non-wetted operating mode in membrane gas absorption is crucial. In this study, a superomniphobic polyvinylidene fluoride-cohexafluoropropylene membrane was fabricated by adding silica nanoparticles (SiO2) in an ethanol coagulation bath through non-solvent-induced phase separation. The surface …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 35–44 Read article
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Biotechnological and Biomaterial Innovations for Self-Care Management of Diabetes: A Study on Patient Knowledge and Attitude in Tripura
Abstract: Diabetes mellitus is a global epidemic, with 537 million individuals affected worldwide in 2021, projected to rise to 643 million by 2030 without preventive measures. In India, one in seven diabetic adults resides, and diabetes prevalence rose from 9.3% in 2018 to 9.6% in 2022, projected to reach 10.4% by 2030. This study focused on evaluating how well diabetes patients in Tripura understand and feel about managing their self-care. Conducted …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 10, Issue 2, 2024 · pp. 1–12 Read article
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Arunachal Pradesh in Transition
Abstract: With the advent of independence, tribal development has emerged as a topic of both theoretical exploration and practical implementation, assuming a position of critical importance within the broader discourse of national development. At the outset, the principal aim of 'economic development' was conceptualized as the fundamental goal for the comprehensive progress of Arunachal Pradesh. The economy of Arunachal Pradesh was mainly a traditional tribal economy. Full statehood was conferred on …
Published in International Journal of Town Planning and Management · Vol. 10, Issue 2, 2024 · pp. 9–17 Read article
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Exploring the Utilization of Bakelite Waste as a Partial Coarse Aggregate Replacement in Concrete: An Assessment of Mechanical Properties and Durability
Abstract: Abstract The burgeoning challenge of plastic waste management has prompted researchers to seek sustainable alternatives within various sectors, particularly in the construction industry, which is a significant consumer of raw materials. This study thoroughly investigates the viability of incorporating Bakelite waste, a type of thermosetting plastic known for its durability and resistance to degradation, as a partial replacement for coarse aggregates in concrete formulations. Concrete mixtures were meticulously designed with …
Published in International Journal of Concrete Technology · Vol. 10, Issue 2, 2024 · pp. 6–10 Read article