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1934 articles for “OPAC2.0” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Evaluation of J-Integral and Fatigue Crack Growth Rate of Semi-elliptical Crack in Compressor Blade
Abstract: Gas turbine compressor blades are subjected to centrifugal, gas bending and vibratory loads. This repeated loading and unloading can reduce the life of compressor blades. This research aims at the estimation of fatigue crack growth rate of various three-dimensional cracks in a compressor blade considering the J-integral calculations for a semi-elliptical crack, subjected to centrifugal loading. Static stress analysis was carried out to ascertain the critical region or crack zone …
Published in Journal of Mechatronics and Automation · Vol. 1, Issue 2, 2014 · pp. 39–46 Read article
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Optical Properties of Barium Borate (BaB2O4)Compound for Current Optoelectronic Applications
Abstract: In this work,Barium borate was prepared by sol-gel synthesisdepending on different molar (0.1, 0.2, 0.3 0.4 and 0.5) molar. Barium borate is an inorganic compound, and it was useda borate of barium with a chemical formula BaB2O4 or Ba(BO2)2 It is available as hydrate or dehydrated form, as white powder or colorless crystals. The optical characteristics of the prepared samples have been investigated by UV/Vis spectrophotometer in the wavelength range …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 1, 2020 · pp. 49–58 Read article
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Assessment of Natural Radiation Exposure from Sand and Sediment Samples Obtained from Kuakata Beach Area in Bangladesh
Abstract: In Bangladesh, Kuakata Beach situated in Patuakhali district contains some in sand and sediment. In this paper the activity concentration and absorb dose of sand and sediment collected sand and sediment collected from Kuakuta Beach were measured. The activity concentrations of radionuclides and their respective annual effective dose rates, produced by 226Ra, 232Th, 40 K were measured using a High Purity Germanium (HPGe) detector of relative efficiency 40%. The measured …
Published in Journal of Nuclear Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 18–26 Read article
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Utilization of Sugarcane Bagasse as Biopolymer Adsorbent for Arsenic (III) Removal from Aqueous Solutions
Abstract: The present study focuses on the removal of the heavy metal As(III) from aqueous solutions using the low cost adsorbent, sugarcane bagasse. The effect of contact time (10, 20, 30, 40, 50, 60, 70, 80, 90 min), adsorbent dosage (0, 0.25, 0.5, 0.75, 1 gm) and metal concentrations (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ppm) on the adsorption were studied and the optimum conditions were …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 30–44 Read article
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Use of waste paper sludge and polypropylene to study the performance of concrete
Abstract: A large quantity of waste paper is generated from the offices and industries of the paper mill and it needs to be disposed off through proper waste management system or effectively reutilized in construction industry. Hypo plant in the paper industry generates large volume of waste in the form of slurry, disposal of which causes environmental problems. The increasing amount of waste is a concerning reality that arose various sustainability …
Published in Journal of Structural Engineering and Management · Vol. 7, Issue 2, 2020 · pp. 11–20 Read article
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Rainfall-runoff Modeling using HEC-HMS Hydrologic Model for Guder River Watershed, Blue Nile Basin, Ethiopia
Abstract: Rainfall-runoff modeling is important for a number of hydrologic applications including flood forecasting, water resource planning and management. This study presents the result of a watershed rainfall-runoff modeling for Guder river watershed having area of 6597 km 2 using Hydrologic Engineering Center-Hydrologic Modeling Systems (HEC-HMS). The watershed runoff is varying spatially and temporally due to manmade factors and natural factors on the watershed. These issue needs efficient water resource planning …
Published in Journal of Water Resource Engineering and Management · Vol. 8, Issue 2, 2021 · pp. 62–77 Read article
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GEOPOLYMER CONCRETE BY LITHIUM BASED GLASS WASTE WITH FLY ASH
Abstract: AbstractThe cement, fly ash, and slag used in this study are local materials in compliance. The global warming is the major issue when limestone and clays are crushed and heated to high temperatures. We are using waste materials, its components, or its production process that does not cause any environmental problems, or it has high performance and life cycle sustainability. The waste material used in this research is three times …
Published in Recent Trends in Civil Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 1–5 Read article
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PRICE CONCESSION ON AKURE RESIDENTIAL PROPERTY MARKET
Abstract: This research work examined the price concession on vacant land and developed residential property market in Akure, Nigeria. The data for the study was collected through structured questionnaire administered on the 20 Estate Surveying and Valuation practising firms in Akure as contained in the, 2018 register of the Heads of firms of the Nigerian Institution of Estate Surveyors and Valuers, Ondo State Branch. The records of the past sales transactions …
Published in Recent Trends in Civil Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 46–54 Read article
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Feasibility Study of Reetha Powder (Sapindus trifoliatus) as a Plasticizer Admixture in Concrete
Abstract: With on-going research and development activities in the field of concrete admixtures, emphasis is laid on use of naturally available organic material to enhance properties of concrete. Reetha (Sapindus trifoliatus), is popularly used in ayurvedic medicines such as shampoo and other products because of its excellent foaming and cleansing properties. This study emphasizes on the effect of natural admixtures such as reetha powder concrete (RPC) in comparison with super plasticizers …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 76–86 Read article
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Effect of Nose Radius and Tool Shape on Diameter Error, Circularity and Surface Roughness in Dry Turning Machine
Abstract: The objective of this paper is to investigate the effect of nose radius and tool shape on diameter error, circularity and surface roughness of turned parts during dry machining operation. The paper presents both analytical and experimental results of nose radius, tool shape and surface roughness of a turned material (alloy steel AISI-4340) in three different levels of control parameters that have been affected by nine cutting tool shapes of …
Published in Trends in Machine design · Vol. 6, Issue 1, 2019 · pp. 29–37 Read article
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Efficient Data Transmission through Fiber Optic Communication System using SOA
Abstract: AbstractThis paper represents the characteristic of Semiconductor Optical Amplifier (SOA) by varying frequency of Vertical Cavity Surface Emitting Laser (VCSEL) which is used as a source at the transmitter end and also injection current of SOA. It is observed that by varying the injection current up to 1 ampere, maximum output power of 0.74935 watt can be achieved at the frequency of VCSEL of 193.1 THz when the optical fiber …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 2, 2014 · pp. 27–32 Read article
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CTCHFA: Discovery of Circulating Tumor Cells in Metastatic Breast Cancer and Nonmetastatic Cancer by using Novel Hybrid Hierarchical Clustering Algorithm in Firefly Distance
Abstract: AbstractBlood testing for circulating tumor cells (CTCs) has emerged as one of the highest fields in cancer research. CTC detection are an early gene marker of reaction to systemic therapy, whereas their molecular characterization has a strong field that can be translated to individualized targeted treatments and spare breast cancer (BC) patients from unnecessary and ineffective therapies. Genomic research regarding CTCs monitoring for BC is limited due to the lack …
Published in Journal of Computer Technology & Applications · Vol. 6, Issue 1, 2015 · pp. 9–18 Read article
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Impact of Electronic Medias among School Children
Abstract: In general media refers to various means of communication. For example, news paper, radio,television, radio, computer, video games, etc. The goal of the Media, Information and Technology(MIT) program is to offer critical, interdisciplinary analysis of the institutions, practices and culturalmeaning associated with technologies of communication, information, knowledge, learning andentertainment. The aim of the present study is, to evaluate the effectiveness of structured teachingprogram on knowledge regarding influence of medias among …
Published in Journal of Nursing Science & Practice · Vol. 11, Issue 2, 2021 · pp. 72–78 Read article
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Efficacy of Polyherbal Formulation with Regimenal Therapy in Knee Osteoarthritis at Shamim Ahmad Saeedi Unani Speciality Hospital for Waja-ul-Mufasil (Joint Pain), Funded by the Ministry of AYUSH
Abstract: Osteoarthritis (OA) is a joint disease that mostly affects cartilage. Cartilage is the slippery tissue that covers the ends of bones in a joint. Healthy cartilage allows bones to glide over each other. It also helps to absorb the shock of movement. In OA, the top layer of cartilage breaks down and wears away. This allows bones under the cartilage to rub together. The rubbing causes pain, swelling, and loss …
Published in Research and Reviews : A Journal of Ayurvedic Science, Yoga and Naturopathy · Vol. 6, Issue 1, 2019 · pp. 1–4 Read article
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Voluntary Blood Donation, Future Willingness and Associated Factors Among Attendants of Obstetrics and Gynecology Patients in JIMA University Specialized Hospital, Oromia region, Ethiopia, 2015
Abstract: Background: Hemorrhage is the major cause of maternal death worldwide. This problem is more prevalent in developing countries including Ethiopia. Therefore, availability of adequate blood supply and timely transfusion has paramount importance in reducing maternal deaths. In this aspect, assessing practice, future willingness and associated factors towards voluntary blood donation among attendants can contribute in alleviating the scarcity of blood for transfusion.Objective: To assess voluntary blood donation, future willingness and …
Published in Research and Reviews : Journal of Computational Biology · Vol. 6, Issue 3, 2017 · pp. 1–8 Read article
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CORRELATION BETWEEN ALEXITHYMIA AND NECK PAIN IN SMARTPHONE ADDICTED USERS OF PARAMEDICAL STUDENTS FROM SOUTH GUJARAT - A CROSS SECTIONAL STUDY
Abstract: Introduction : In the contemporary age, the widespread utilization of smartphones has resulted in various musculoskeletal discomforts, with neck pain being a prevalent issue. The excessive use of smartphones can contribute to Smartphone Addiction (SA), and this condition is associated with Alexithymia in the southern Gujarat region.Method : Students aged between 17 and 27 years were selected from various colleges in South Gujarat using a convenient sampling method. The prevalence …
Published in Research and Reviews: A Journal of Health Professions · Vol. 13, Issue 3, 2023 · pp. 44–51 Read article
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Malaria Elimination Plan by 2030 in Ethiopia: Does Evidence based Practice Matter?
Abstract: Background: Malaria remains one of the leading causes of death among under-five children in Sub-Saharan Africa. Despite, the remarkable progress in reducing under-five mortality rates in Ethiopia; it is continuing as a major threat to under-five. Objective: Thus, this study is calling for the evidence-based practice to the planed malaria elimination by 2030. Method: A cross-sectional survey involving 388 participants (mothers/guardians/caregivers) attending two health centres due to an acute febrile …
Published in Research and Reviews : A Journal of Immunology · Vol. 8, Issue 3, 2018 · pp. 3–12 Read article
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Immunologic Characteristics of Apparently Healthy Nigerians Exhibiting Abnormal SPE: A Preliminary Study
Abstract: Abnormal serum protein electrophoresis patterns have been discovered in apparently healthy Africans in Britain and Ghanaians living in Accra, Ghana. Conflicting reasons were suggested for this phenomenon. The aim of present study was to determine the prevalence and characteristics of serum protein electrophoresis (SPE) abnormalities in apparently healthy Nigerians living in Ogbomoso. Three hundred (300) apparently healthy subjects aged 20–30 years were selected for the study. SPE was performed on …
Published in Research and Reviews : A Journal of Immunology · Vol. 5, Issue 3, 2015 · pp. 1–6 Read article
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Effectiveness of Sign Board on Experiences of Mechanically Ventilated Patients Admitted in Selected Hospitals
Abstract: The objective of the study was to assess and compare the experiences of mechanically ventilated patients with and without the use of sign board. 37 conscious mechanically ventilated patients were selected through purposive sampling technique. In view of nature of the problem and to accomplish the objectives of the study, structured mechanical ventilator experience scale was prepared to assess the experiences of patients (in terms of communication of needs/problems) during …
Published in Research and Reviews: A Journal of Medicine · Vol. 4, Issue 3, 2014 · pp. 9–11 Read article
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Clinical advantage of umbilical single incision laparoscopic appendectomy; a single center prospective study
Abstract: Background: Single incision laparoscopic surgery (SILS) is widely accepted in clinical practice with its less invasion, cosmetic effectiveness, and quick recovery. Purpose: Our purpose was to assess feasibility and clinical advantage of umbilical single incision laparoscopic appendectomy compared with conventional laparoscopy. Materials: From January 2016 to November 2019, we treated 215 patients admitted with acute appendicitis in Pyongyang University of Medicine Hospital; 82 patients received with umbilical single incision laparoscopic …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 10, Issue 1, 2021 · pp. 19–24 Read article