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265 articles for “SPI”
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Black Hole and Accretion Disks:Observational Discoveries and Theoretical Frameworks
Abstract: This review covers the essential elements of black hole accretion disk theory, beginning with the primary objective of understanding the complex nature of black holes. We delve into how key features of strong gravity, such as the event horizon, innermost stable circular orbit, and ergosphere, manifest in accretion disks. This review revisits the physical mechanisms driving accretion disks and presents four main models: thin disks, Shakura-Sunyaev disks, advection-dominated accretion flows …
Published in International Journal of Universe · Vol. 1, Issue 1, 2025 Read article
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Steam Activated Carbon Material from the Fruit Shells of Sterculia foetida for Energy and Environmental Applications
Abstract: Steam activation of the biochar from Sterculia foetida forms a green route for the synthesis of activated carbon material with high specific surface area (1017 m2/g). The corresponding value with a chemical activating agent (K2CO3) is much lower (596 m2/g). Structural parameters of the activated carbon materials were deduced from XRD studies. Moreover the thermal stability of the activated carbon materials from steam activation is nearly 100°C higher than that …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 1, 2024 · pp. 23–33 Read article
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A Review Study of Bio-Psycho-Social Challenges and Interventions for Women During their Perinatal Period
Abstract: Pregnancy causes women to face dynamic and sudden changes in their body and psyche, and sometimes they might as well feel dissociated or separated from the journey. Even though they mentally adapt to the pregnancy, they require constant support at all levels to face the challenges during this crucial period. The goal of the current research is to examine the bio-psycho-social challenges and interventions for women during their perinatal period. …
Published in International Journal of Children · Vol. 1, Issue 2, 2024 · pp. 31–37 Read article
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Visualizing Complexity: Navigating Algorithms with Algorithm Visualizer
Abstract: We think that studying algorithms may be amusing and exciting. Many students are currently struggling, but we hope to change that. Our strategy is to emulate gaming while learning. We're building hands-on learning exercises, such as mazes and patterns, to convey key concept. To help students understand how algorithms function in practice, we also use some stunning visualizations. Three major categories of algorithms are under our purview: sorting, pathfinding, CPU …
Published in International Journal of VLSI Circuit Design & Technology · Vol. 2, Issue 1, 2024 · pp. 21–26 Read article
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A Review on Phytochemistry and Pharmacological Properties of Curcuma amada (Zingiberaceae)
Abstract: Plant has been employed in traditional medicine since ancient times. Curcuma amada Roxb. (Mango ginger), is a member of Zingiberaceae family and the Curcuma genus. It is a distinctive spice that shares a similar appearance with ginger but provides a raw mango taste. It is considered as a valuable plant in traditional medicine which plays a crucial function in both the food and pharmaceutical industries. Ayurveda and Unani medicinal traditions …
Published in Research & Reviews : Journal of Herbal Science · Vol. 13, Issue 3, 2024 · pp. 10–20 Read article
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The Effect of Alcoholic, Aqueous and Crude Extracts of Lemon citrus Seeds on Staphylococcus and Klebsiella Bacteria
Abstract: Five isolates of staphylococcus bacteria identified by phytic were obtained and activated on solid saline mannitol medium, where the colonies appeared in a golden color. Three extracts of dry lemon seeds were prepared (raw, 1% aqueous extract, 1% alcoholic extract). It was celebrated that the aqueous quotation was added operative on bacterial progress than the alcoholic and rudimentary sources. Three isolates of Klebsiella bacteria identified by VITEK were also obtained, …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 14, Issue 3, 2024 · pp. 32–36 Read article
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Empowering the Visually Impaired: Arduino-driven Ultrasonic Navigation System
Abstract: In a world characterized by a relentless pace of technological progress, the fusion of various technologies and the utilization of microcontrollers have become pivotal in finding innovative solutions to a multitude of real-world challenges. Our project embodies the innovative spirit of this era by harnessing the capabilities of Arduino microcontrollers, a selection of sensors, and communication modules to create a multifunctional device. This project is a testament to the power …
Published in Journal of Microwave Engineering and Technologies · Vol. 11, Issue 3, 2024 · pp. 36–41 Read article
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Harnessing Nature: Formulations for Colon Cancer Prevention and Treatment
Abstract: Colon cancer, a rapidly advancing disease worldwide, involves the carcinogenesis of the distal part of the intestine. This malignancy progresses through various developmental stages necessitating diverse treatment approaches. Traditional treatments include drug therapy and chemotherapy; however, emerging methods, such as the use of phytochemical compounds offer promising mechanisms for combating this disease. Phytochemical compounds derived from natural food sources, including flavonoids, tannins, resveratrol, and epigallocatechin-3-gallate, exhibit potent anti-cancer properties. They …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 3, 2024 · pp. 11–23 Read article
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Exploring the Evolution of Mobile Phone Detectors: From Basic Sensors to AI-Enhanced Solutions
Abstract: This work talks about the creation and plan of a portable phone locator that can discover approaching and active signals from versatile phones. This little, pocket-sized gadget can sense when a portable phone is dynamic from a separate of one and a half meters. Because of this, it can help anticipate the utilization of portable phones in places like exam corridors, private rooms, and petrol stations. It can moreover effectively …
Published in Recent Trends in Sensor Research & Technology · Vol. 11, Issue 3, 2024 · pp. 17–23 Read article
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ESP32 CAM-based Surveillance Car with Tilt, Pan, and Zoom Capabilities: A Review
Abstract: This project focuses on developing a mobile surveillance robot using a Wi-Fi-enabled module controlled via a smartphone, designed for discreet observation and remote monitoring. The spy robot system includes essential hardware such as a camera, motor drivers, batteries, and wheels for movement. The main component is the AI Thinker ESP32-CAM module, featuring an ESP32-S processor and OV2640 camera, capable of capturing and streaming video at 640x480 resolution. The camera offers …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 12, Issue 3, 2024 · pp. 31–37 Read article
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The Transformative Journey of Pregnancy: Insights into Maternal Adaptations
Abstract: During pregnancy, a woman’s body changes in many ways because of hormones. These changes can sometimes be uncomfortable, but most of the time they are normal and enable her to nourish and protect the fetus, prepare her body for labor, and develop her breasts to produce milk. During pregnancy, changes in hormone levels drive a wide range of physical transformations in a woman’s body, all of which play an essential …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 14, Issue 3, 2024 · pp. 84–92 Read article
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Evaluation of Emergency Response Plans in Industrial Environments Using Simulation Techniques
Abstract: Industrial facilities, particularly those in the chemical, manufacturing, and energy sectors, face significant hazards due to their complex operations and the handling of hazardous materials. Ensuring the safety of workers and minimizing the impact of incidents require robust and effective emergency response plans (ERPs). Traditional evaluation methods, such as drills and tabletop exercises, often fall short in replicating the complexities of real-world emergencies. These methods may lack the realism needed …
Published in Journal of Industrial Safety Engineering · Vol. 11, Issue 3, 2024 · pp. 6–10 Read article
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Disease X: Unveiling the Unknown Pathogen and Enhancing Global Preparedness
Abstract: “The concept of “Disease X” was introduced to drive the creation and refinement of versatile technologies such as vaccines, therapeutic drugs, and diagnostic tests, which could be swiftly adapted and utilized in response to future infectious disease outbreaks with epidemic or pandemic potential. The aim was to establish a proactive approach to emerging health threats by developing platform technologies capable of addressing a broad spectrum of potential pathogens. The COVID-19 …
Published in Research and Reviews : A Journal of Immunology · Vol. 14, Issue 3, 2024 · pp. 15–20 Read article
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Prevalence and the Risk Factors Associated With Musculoskeletal Problems Among Tea Garden Workers in Banwaripur Tea Estate, Golaghat District
Abstract: BACKGROUND: Musculoskeletal pain refers to discomfort that affects the muscles, ligaments, tendons, and bones. Its causes are diverse, with poor posture or body mechanics often leading to spinal misalignment and muscle shortening, which can result in overuse and pain in other muscles. This type of pain is particularly common among tea leaf pluckers, who experience it due to the heavy loads they carry, long working hours, challenging terrain, and lack …
Published in Research and Reviews: A Journal of Health Professions · Vol. 14, Issue 3, 2024 Read article
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Mystic Malignant Melanoma Modalities
Abstract: Melanoma is a highly aggressive form of cancer with four recognized subtypes. In about 90% of cases, melanoma is diagnosed as a primary tumor, without signs of spreading. If caught early, the survival rate is quite high, reaching around 94%. However, for metastatic melanoma, the survival rate drops significantly to about 40%. Diagnosing melanoma can be tricky, as it shares features with benign conditions like seborrheic keratosis, benign moles, blue …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 13, Issue 3, 2024 · pp. 1–10 Read article
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Bismuth-Doped CuGaS₂ Thin Films for Enhanced Photovoltaic and Electrocatalytic Performance
Abstract: This study presents the development and application of bismuth (Bi)-doped CuGaS₂ thin films for enhanced performance in photovoltaic and electrocatalytic systems. Using a cost-effective all-solution processing method, Bi-doped CuGaS₂ chalcopyrite nanocrystals were synthesized and spray-deposited onto molybdenum substrates. The resulting films, with a thickness of approximately 730 nm and grain sizes larger than 400 nm, exhibited superior optical properties and a lower band gap compared to undoped films, making them …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 11, Issue 3, 2024 · pp. 01–07 Read article
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KSK Approach to Smart Agriculture: Utilizing AI-Driven Internet of Things (AI IoT)
Abstract: An enormous change is taking place in the agriculture industry as a consequence of the arrival of the AIIoT, which is powered by artificial intelligence and provides farmers with unparalleled automation capabilities and insights. The determination of this research is to present a all-inclusive review of artificial intelligence and the internet of things (AIIoT) in smart agriculture, focusing on its applications, benefits, and consequences for decision-making. The concept of smart …
Published in Journal of Microcontroller Engineering and Applications · Vol. 11, Issue 3, 2024 · pp. 21–32 Read article
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First Order Sliding Mode Control of Coupled Tank System
Abstract: This paper investigates the challenging problem of liquid level control in Coupled Tank Systems (CTS). CTS, characterized by its nonlinear behaviour and sensitivity to disturbances, presents significant control challenges. This report suggests and assesses several control measures to solve these problems. Mathematical models are developed to capture the system's nonlinear dynamics, and controllers such as Proportional-Integral (PI) and Sliding Mode Controllers (SMC) are designed. The PI controller effectively regulates the …
Published in Trends in Electrical Engineering · Vol. 14, Issue 3, 2024 Read article
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Machine Learning-Driven Force Analysis for Tool Wear Prediction Systems
Abstract: A system designed to forecast tool wear by utilizing a force sensor to monitor the wear of the tool's flank and applying a Convolutional Neural Network (CNN) for forecasting purposes. The methodology is demonstrated through experiments in milling, utilizing dry machining with a ball endmill on a stainless-steel component. The flank wear of the tool is directly assessed using a digital microscope throughout the operation. The forecasts produced by the …
Published in Journal of Mechatronics and Automation · Vol. 11, Issue 3, 2024 · pp. 16–25 Read article
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Gene Therapy in Modern Medicine: Promises and Challenge in Treating Genetic Diseases
Abstract: Gene therapy is a medical approach that focuses on altering or adjusting an individual’s genes to treat or prevent illnesses. The aim is to repair faulty genes or insert new ones into the body to combat diseases. Gene therapy can involve directly introducing modified or new genes into a patient’s cells or altering the genes already present in the patient’s body. This approach shows potential for treating a range of …
Published in International Journal of Genetic Modifications and Recombinations · Vol. 2, Issue 2, 2024 · pp. 27–32 Read article