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330 articles for “Defecation”
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A Comparative Analysis of Machine Learning Techniques for Fruit Defect Detection Systems
Abstract: With evolving technologies in machine learning, significant advancements have been made in the livestock industry, helping to reduce waste, increase yield, achieve cost savings, and improve competitiveness in the marketplace. Fruit defect detection models support precision agriculture by providing valuable data for decision-making and enhancing overall efficiency through automated inspection processes. This study implements and comparatively evaluates machine learning models including MobileNetV2, a custom-designed convolutional neural network (CNN) model, ResNet50, …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 11, Issue 3, 2024 · pp. 37–47 Read article
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Adipofascial Flap Cover For Medial Maleolus Defect
Abstract: Soft tissue defects in the lower third of the leg, particularly over the medial malleolus, pose significant challenges due to poor vascularization and the limited availability of reliable local flaps. Over the past two decades, free tissue transfer has emerged as the preferred option for covering such defects. However, in certain cases, free flap transfer is not feasible due to patient-specific factors, cost constraints, or donor site morbidity. Traditional pedicled …
Published in Research and Reviews : Journal of Surgery · Vol. 14, Issue 1, 2025 · pp. 6–10 Read article
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Investigating the Surface Defects and Structural Integrity of 3D Printed Hydrogen Storage Cylinders in UAV Applications
Abstract: This research explores the processing and manufacturing challenges of 3D printed polymer composites for high-pressure hydrogen storage in UAVs. The study focuses on addressing surface integrity and structural robustness issues inherent in additive manufacturing. Finite Element Analysis (FEA) was conducted on four thermoplastic polymer ABS, PET-G, HDPE, and Nylon to assess their mechanical performance under 35 MPa of pressure. Results revealed that PET-G and ABS provided better stress distribution and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 161–191 Read article
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Simulation and Analysis to Reduce the Shrinkage Defect in Sand Casting for the Rotor: A Review
Abstract: Casting is a process in which the metal is melted and poured into mold and allows it to solidify to get desired shape. Objective of investigation is to review on simulation and analysis to reduce the shrinkage defect in sand casting. In ductile iron casting, shrinkage defect is common. It is generally seen at the last solidifying area of casting. Other parameters like getting system, feeder, metallurgy of material, part …
Published in Journal of Production Research & Management · Vol. 7, Issue 3, 2017 · pp. 23–26 Read article
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A Review Paper on Shrinkage Defect in Investment Casting
Abstract: Investment casting is also known as lost wax casting process. It is used to make various components of machines and jewellery with good accuracy compared to other castings. It is also used to make difficult components which may not be possible by conventional casting process. Investment casting is very helpful process for higher quality requirements. But still, there are many defects occurring in the process, like shrinkage, cold run, blow …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 3, 2017 · pp. 18–20 Read article
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Comparison of Beta Tricalcium Phosphate Mixed with PRP and Beta Tricalcium Phosphate alone as Bone Graft in Maxillofacial Bony Defects
Abstract: Maxillofacial bony defects are common problems in dental surgery. In the present study an attempt was made for the comparison of beta tricalcium phosphate mixed with PRP (Platelet Rich Plasma) and beta tricalcium phosphate alone as bone graft in maxillofacial bony defects. Present study was under taken at conducted at department of oral and maxillofacial surgery, career post-graduate institute of dental sciences and hospital, Lucknow. In the present study it …
Published in Research and Reviews: A Journal of Dentistry · Vol. 7, Issue 1, 2016 · pp. 32–35 Read article
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Prosthetic rehabilitation of acquired maxillary defect secondary to post COVID mucormycosis using cast partial hollow bulb obturator : Clinical case report
Abstract: Rehabilitation of acquired maxillofacial defect secondary to post COVID mucormycosis to an acceptable functional usage is challenging. This case report focuses on the prosthetic restoration of a patient who has experienced mucormycosis and subsequently underwent a partial maxillectomy, resulting in a palatal defect. This surgical procedure led to the development of oroantral or oral-nasal communication as a postoperative complication. Patient was diagnosed with mucormycosis after a week or two, following …
Published in Research and Reviews : Journal of Surgery · Vol. 12, Issue 2, 2023 Read article
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Reconstruction of broad soft tissue defect around knee with combined perforator flaps
Abstract: Perforator flaps have been commonly used in reconstruction of soft tissue defects nowadays; however, it is very important to apply them properly according to the characteristics of recipient site. Since there is no universal flap appropriate to various types of defects, there have been a number of research to apply appropriate perforator flaps suitable to recipient sites. Recently, achievements have been made by applying chimeric flaps based on perforators from …
Published in Research and Reviews : Journal of Surgery · Vol. 14, Issue 1, 2025 Read article
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Versatile Use of the Local Muscle Flaps Pedicled by Gastrocnemius and Hemisoleus Muscle with a Longer Reach for Coverage of Lower Extremity Defects
Abstract: Purpose: This study aims to highlight the clinical usefulness of multiple local muscle flaps pedicled on the gastrocnemius and hemisoleus muscles for managing soft-tissue defects of the lower extremity. The technique was applied to defects involving the distal femur and the distal one-third of the tibia, avoiding the need for free flap reconstruction. Methods: From January 2014 to January 2023, multiple local muscle flaps were planned and utilized for the …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 14, Issue 3, 2024 Read article
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Optimization of Stellite Defect in Manufacturing of Engine Valves: A Review
Abstract: Intake and exhaust valves are the important components of an engine valves which are used to control flow and replacement of fuel gases inside the cylinder. This work mainly deals with defect known as stellite defect in different sizes of engine valves; and methodology adopted to prevent valve from stellite defect. Valve base material is low alloy steel (AISI 4140) and upper surface of engine valve is generally hard faced …
Published in Journal of Automobile Engineering and Applications · Vol. 3, Issue 1, 2016 · pp. 1–4 Read article
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Compact Circularly Polarized Patch Antenna with U-Slot and Defected Ground
Abstract: A compact single-feed circularly polarized (CP) patch antenna at L-band is designed. The antenna contains a U-slot and is designed with DGS technique to reduce the size of antenna. With the presence of the U-slot, the antenna fabricated on a high-dielectric-constant (10.2) substrate achieves a reasonable axial-ratio bandwidth. The operating frequency is 1.521 GHz. The measured gain is 2.5 dBi, and bandwidth is 86.8 MHz.
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 3, 2015 · pp. 16–20 Read article
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Reduction of Shrinkage-Porosity Defects in Sand Casting Using Finite Element Analysis: A Review
Abstract: Today production of casting is easy but market requirement is quality casting. Earlier casting is made with large no. of defects due to large no. of process parameter in casting process. Specially, to predict phase transformation is very critical. As the problem of automation in process, shortage of skill labour now a days; casting simulation requirement is high and it is identifies defects earlier without making actual casting. This process …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 1, 2016 · pp. 1–5 Read article
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Materials used in Periodontal Therapy for the Treatment of Intra-bony Defects
Abstract: Periodontitis is a condition that affects the supporting structures of a tooth, such as the gingiva, cementum, periodontal ligament, and alveolar bone. Periodontitis is widespread in the American population, although most of the cases are mild to moderate in severity and are treatable by minimally invasive procedures. Intra-bony defects, which develop as manifestation of some periodontal diseases, are treated by regenerative therapy with bone grafts that initiate or facilitate the …
Published in Research and Reviews: A Journal of Dentistry · Vol. 10, Issue 3, 2019 · pp. 7–13 Read article
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Evaluating Fiber Volume Fraction and Defects in Fiber Reinforced Polymer Composites for T Joint applications
Abstract: Fiber-reinforced polymer (FRP) composites have been integral to industries such as aviation, aerospace, shipbuilding, and automotive due to their strength, durability, lightweight, and corrosion resistance. This study examines the production and microstructural analysis of polymer composites using FRP and manual lamination methods. While manual lamination is quick and economical, it relies on operator skill, resulting in low mechanical properties. Microstructure analysis via 3D optical and scanning electron microscopes revealed that …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1222–1235 Read article
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Deep Learning for Real-Time Monitoring and Defect Detection in Additive Manufactured Polymer Composites
Abstract: Additives Fiber-reinforced polymer composite ADDs have high utility in making lightweight structural components, but due to process-related defects (interlayer delamination and reinforcement stacking) the integrity of consolidation during extrusion-based deposition is frequently compromised. This paper has presented a physics-informed deep learning framework that is applicable to real-time measurements of reinforced thermoplastic composite fabrication. Multimodal sensing was provided with thermal gradient, optical morphology, and acoustics emission signals being used to assess …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 974–999 Read article
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Solar Panel Defect Detection Using Geospatially-Aware Deep Learning framework
Abstract: Large-scale photovoltaic (PV) systems demand reliable inspection techniques to maintain efficiency, as manual methods remain labor-intensive and inconsistent. This study introduces a geospatially informed deep learning framework for defect detection and localization in PV panels from drone and satellite imagery. The framework incorporates an adaptive tiling mechanism that adjusts tile boundaries according to object size, reducing information loss and enhancing detection performance. In addition, coordinate transformation between image pixels and …
Published in Journal of Remote Sensing & GIS · Vol. 17, Issue 2, 2026 Read article
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Leakage Rate Prediction through Composite Liner due to Geomembrane Defect using Neural Network
Abstract: The paper presents the leakage rate prediction using artificial neural network from the liner made of soil and geomembrane. The defect in the geomembrane considered was having different shapes. Three different shapes such as square, rectangular and circular of the defect have been considered. The input variables considered for the artificial neural network (ANN) were (i) head on the top of the soil (ii) area of the defect (iii) hydraulic …
Published in Journal of Geotechnical Engineering · Vol. 6, Issue 3, 2019 · pp. 8–17 Read article
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AUTOMATED PRINTED CIRCUIT BOARD (PCB) DEFECT DETECTION USING DIGITAL IMAGE PROCESSING TECHNIQUE
Abstract: This work presents a Digital Image Processing (DIP) solution involving the use of image filters and processing functions to analyse the reference and the test images of a Printed Circuit Board (PCB) to yield a resulting image in which open and short circuits have been highlighted. The problem solved was the dependence of other PCB defects detection methods on the absence of deformation in the test image and this was …
Published in Journal of Mechatronics and Automation · Vol. 6, Issue 1, 2019 · pp. 1–11 Read article
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Minimizing Defective Product through Effective Production Planning and Control of Rear Wheel Drum
Abstract: The main objective of this paper is to describe the different operations that can be performed to improve the quality and reduce the quantity of defect in product by six sigma method. As we all know that today, the main objective of the companies to satisfy the customers by providing them good quality product. As now days, there is large amount of competition in global market among different companies, so, …
Published in Journal of Mechatronics and Automation · Vol. 4, Issue 1, 2017 · pp. 15–22 Read article
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Awareness and Practice of Folic Acid Intake for Neural Tube Defect Prevention at Antenatal Clinic in Rajamalwatta, Sri Lanka
Abstract: Neural Tube Defects (NTDs) are common cause of morbidity and mortality among infants and neonates. Squeal of severe NTDs lead to lifelong physical, social, emotional and financial difficulties. Annually worldwide an estimated 300,000 or more babies are born with NTDs. Fortunately; a large number of NTDs are preventable. Several studies have shown that periconceptional use of Folic Acid (FA) has an effective role in the prevention of NTDs. The objective …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 7, Issue 1, 2017 · pp. 17–21 Read article