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648 articles for “pre-experimental study”
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EXPERIMENTAL INVESTIGATION ON GEOPOLYMER CONCRETE
Abstract: The project report entitled “Experimental investigation on alkali activated concrete” describes the detailed experimental work carried out on Alkali Activated Alumina-silicate concrete [Provis and Deventer, 2009]. The fly ash- Ground Granulated Blast Furnace Slag (GGBFS) based Alkali Activated Alumina-silicate concrete cured at ambient temperature was prepared by using different molarities of Alkali Activated solution namely 8M, 12M and 16M. The properties of concrete such as workability, compressive strength, Pull-out test/bond …
Published in International Journal of Concrete Technology · Vol. 2, Issue 2, 2016 · pp. 17–22 Read article
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Effectiveness of Skin-to-Skin Contact (SSC) on Physiological Parameters among Mothers and their Newborn
Abstract: Skin-to-skin contact (SSC) promotes safety, stability and well-being, and has long-lasting implications for the mother–baby pair. It facilitates physical and hormonal changes in both mother and baby that prepare them for breastfeeding and for the beginning of their relationship together. Statement of the problem: Effectiveness of SSC on physiological parameters among mothers and their newborns. Methodology: The research design adopted was non-equivalent design. The study conducted at in Government Head …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 4, Issue 2, 2018 · pp. 5–7 Read article
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Experimental Study on Charging Conditions of a Single Component DDT Detonator Using Nickel Hydrazine Nitrate
Abstract: As a salt of a coordination compound of nickel, nickel hydrazine nitrate (NHN) is an energetic substance with characteristics halfway between those of primary and secondary explosives. It is less sensitive to friction and mechanical impact than other primary explosives, although it is highly sensitive to flames. NHN is not very dangerous to handle, but it explodes readily when exposed to flame. This property makes it possible to fabricate safety …
Published in International Journal of Energetic Materials · Vol. 11, Issue 2, 2025 · pp. 1–12 Read article
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Synthesis and Characterization of Quinacridone Violet (Pigment Violet 19): Process Optimization and Colorimetric Evaluation
Abstract: Objective: This study focuses on the synthesis and characterization of Quinacridone Violet (Pigment Violet 19), a high-performance organic pigment known for excellent lightfastness and durability. The research aims to optimize the manufacturing process and evaluate the colorimetric properties of the synthesized pigment. Methods: PV 19 was synthesized via a multi-step process involving condensation, oxidation/hydrolysis, and ring closure/cyclization reactions. Two experimental batches (MM#973-A1/B1 and MM#974-A1/B1) were prepared with varying mole ratios …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 1, 2026 · pp. 41–51 Read article
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A Simple and Fast Skull Stripping Technique for Brain MR Images
Abstract: Skull stripping is an important aspect of study in the field of Medical image processing. It eliminates the present non-cerebral tissues from the MR image to improve the speed and accuracy of the algorithm. An unsupervised double segmentation based method has been proposed for faster processing. Threshold values required for double segmentation are obtained using the Otsu algorithm. This method avoids the conventional Morphological Opening and Morphological Closing operations to …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 6, Issue 1, 2020 · pp. 1–4 Read article
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Effectiveness of Information Booklet on Knowledge of GNM Interns Regarding Care of Neonate with Hyperbilirubinemia in School of Nursing Berhampur, Ganjam
Abstract: A pre-experimental approach, one group pre-test and post-test design was undertaken among GNM intern students, school of nursing, Berhampur, Ganjam, Odisha, with the objectives to assess the effectiveness of information booklet regarding care of neonate with hyperbilirubinemia among GNM intern students who were selected by using simple random sampling technique. Data were collected by using structured questionnaire schedule from 23.04.2015 to 03-05 2015. The theoretical framework selected for the study …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 7, Issue 1, 2021 · pp. 48–68 Read article
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Determination of % recovery of the solute using Batch Leaching
Abstract: The aim of this study was to investigate the dissolution kinetics of salt in water in a mechanical agitation system and to precipitate salt using water at various conditions. Amount of Sand, Water and Salt were selected as parameters. It was observed that increase in the Salt content and decrease in the salt/sand ratio causes an increase the dissolution rate of salt. The dissolution extent is highly increased with increase …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 1, 2017 · pp. 15–23 Read article
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Risk taking behaviors among adolescents in selected High schools of Bagalkot, Karnataka
Abstract: Adolescence has extensive been familiar as a period of keen risk taking and accordingly a stage that want special over vision from adults nevertheless prospects concerning this period and views of how adolescence should be treated have varied. Adolescents often engage in risky behaviors such as smoking, drinking alcohol, using drugs, and early unprotected sexual activity. Risky behaviors might pose a threat to adolescents’ future health. The adverse health consequences …
Published in International Journal of Pediatric Nursing · Vol. 4, Issue 1, 2018 · pp. 21–24 Read article
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Assessment and Prediction of Groundwater for Irrigational Suitability
Abstract: Assessment of ground water suitability for irrigation purposes in Egita community has been investigated. The study gave sodium absorption ratio (SAR) values for different weeks of study. The values obtained ranges between 0.33 to 0.37 for both empirical model and finite element method respectively. The research demonstrates the suitability of using finite element method in predicting and monitoring sodium absorption ratio in groundwater water modelling and investigations. The correlation between …
Published in International Journal of Water Resources Engineering · Vol. 7, Issue 2, 2021 · pp. 32–36 Read article
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Effectiveness of Honey Dressing on Diabetic Wound
Abstract: Patients with diabetes are at great risk of developing low extremity ulcers. The management of diabetic foot ulcers typically includes early recognition and appropriate clinical care. Recent advances shows honey dressing has been successful in diabetic wounds. The poor cannot afford for the treatment of foot ulcer as it has to be done daily, so the investigator planned to demonstrate the procedure for dressing with a more cost effective solution …
Published in International journal of Nursing Science Practice and Research · Vol. 3, Issue 1, 2017 · pp. 1–6 Read article
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The Potential of Bacterial Nanoparticles in Vermicast: Facilitating Microplastic Biodegradation for Environmental Remediation
Abstract: Globally, the plastic pollution has become a major issue that poses a major threat to the soil ecosystem. Plastic degradation is a quite challenging process as plastic persists in the environment for longer durations causing harm to surrounding flora and fauna. Polyethylene is most abundantly found as a contaminant in the environment. It may enter the food chain causing harm to health. The dynamics of microplastic pollution in soils, as …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 10, Issue 1, 2024 Read article
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Predictive Model to Monitor the Rate of Dissolved Nitrogen Influenced by Void Ratio in Silty and Gravel Bed Formation in Coastal Area of Warri Delta State of Nigeria
Abstract: This paper evaluated the rate of dissolved nitrogen in silty and gravel soil formation, the study is to monitor the rate of dissolved nitrogen at different strata to phreatic bed, homogeneous formation were observed to have deposit in the study location, organic soil were insignificant since the formation deposited slight quantity, the predominant formation is homogeneous silty and grave soil strata, the void ratio deposition were at high rate in …
Published in International Journal of Construction Engineering and Planning · Vol. 4, Issue 1, 2018 · pp. 42–48 Read article
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AI-Assisted Conversion and Optimization of Analog-to-Digital Signal Transmission forLow-Power IoT and Edge Devices
Abstract: The booming implementation of Internet of Things (IoT) and edge computing devices is requiring theimplementation of efficient signal transmission mechanisms to balance between performance and energyefficiency. The current paper introduces an AI-assisted conversion and optimization system of the analog-to-digital (A/D) signal transmission, aimed at low-power IoT and edge devices. The given strategy combines both machine learning algorithms and adaptive sampling and quantization methods to optimize the A/D conversion process in …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 11, Issue 2, 2025 Read article
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Effect of Elephant Grass for the Remediation of Contaminated Swampy and Clay Soils Environment
Abstract: The research on the effect of Elephant grass and effectiveness to enhance remediation of crude oil polluted soil environment was studied. The experiment carried out in order to ascertain the performance of the locally sourced braw material for remediation of the contaminated soil. The physiochemical parameters of the contaminants such as crude oil, as well as the elephant grass in powdered form, swampy and clay soils were determined in terms …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 1, 2023 · pp. 25–30 Read article
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Experimental Investigations for Comparing the Effectiveness of Heat Treatment and Cryogenic Treatment on Wear Performance of EN-47 Spring Steel
Abstract: EN-47 spring steel is chromium, vanadium steel which consists of carbon (0.45–0.55%), manganese (0.50–0.80), silicon (0.50%), phosphorus (0.06%), and sulphur (0.06%) along with chromium (0.80–1.20%) and vanadium (0.15%). Due to this composition EN-47 spring steel become harder and tougher. It has a wide range of applications like crankshafts, steering knuckles, gears, spindles, pumps, suspension etc. So, in this experimental study we treated EN-47 spring steel with cryogenic treatment, cryogenic and …
Published in International Journal of Manufacturing and Materials Processing · Vol. 9, Issue 2, 2023 · pp. 1–9 Read article
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Effect of early initiation of breast feeding on duration of third stage of labour and amount of blood loss among parturient mothers
Abstract: Background and objectives: Breast feeding not only helps the baby to become healthy, it is beneficial to the mother also, putting baby to the breast straight after the birth helps the womb to contract and speeds delivery of the placenta will be faster. The aim of the study is to assess the effect of early initiation of breast feeding on duration of third stage of labour and amount of blood …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 3, Issue 2, 2017 · pp. 30–37 Read article
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Influence of Rubber Particle Size on the Ductility and Energy Absorption of Structural Elements
Abstract: Abstract This research investigates how the rubber particle sizes influence the ductility and energy absorption of structural members made of RC. For this analysis, the different types of waste tire rubbers (with a grains size of 1–2 mm, 3–5 mm, and 6–10 mm) were partially replaced for fine aggre-gates. The compressive strengths, load-deflection behaviors, ductility ratios and energy dissipation properties are discussed by means of experimental mix design analysis and …
Published in International Journal of Structural Engineering and Analysis · Vol. 12, Issue 1, 2026 Read article
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Short Report on the Polymer based Microfluidic Device Fabricated by Lithographic Techniques
Abstract: In this experimental work, a single microfluidic device is fabricated by maskless lithography, hot embossing lithography and direct bonding technique inside the cleanroom laboratory. Microchannel bend is the selected design to fabricate the microfluidic device. Dyed ethanol is selected and prepared as working liquid. The surface-driven capillary flow of dyed ethanol is recorded in the fabricated microchannel bend using a CMOS camera inside the materials-science laboratory. Effect of centrifugal force …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 2, 2020 · pp. 17–20 Read article
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The Level of Stress Among Mothers of Children Underfive Admitted in a Selected Hospital
Abstract: Stress is a non-specific response of the body. A growing child is always a big concern for parents, especially the mother. Child disease and admission to the hospital can particularly be a traumatic event for both the child and parents. The present study was aimed to assess the level of stress among mothers of children underfive admitted in a selected hospital Calicut. The objectives of the study were to identify …
Published in International Journal of Neurological Nursing · Vol. 8, Issue 2, 2022 · pp. 17–23 Read article
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Thermo-Acoustic Investigation of Molecular Interactions in Aqueous Solutions of L-Histidine at Different Temperatures
Abstract: The present study investigates the acoustic and thermodynamic behavior of aqueous solutions of L-Histidine across a concentration range of 0.01 m to 0.1 m and temperatures varying from 293.15 K to 318.15 K in 5 K intervals. Ultrasonic velocity (μ), density (ρ), and viscosity (η) measurements wereconducted with high precision to understand the solution behavior under different thermal conditions.Temperature constancy during measurements was ensured using a refrigerated circulatory bath withwater …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 11, Issue 2, 2025 · pp. 9–17 Read article