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872 articles for “parameters”
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A Factorial Design to Evaluate the Effectiveness of Ballon Therapy vs. Basil Leaves Steam Inhalation on Physiological Parameters Among Children with Upper Respiratory Infections in Selected Hospital, Erode
Abstract: Background: Respiratory tract infections are the major causes of morbidity and mortality in children worldwide, particularly in developing countries, second only to diarrheal disease among the acute infectious disease. About four-and-a-half million children die of respiratory tract infection accounting for 30% of all deaths in childhood. Aim: To compare the effectiveness of steam inhalation vs. twin technique on respiratory function among under-five children with respiratory tract infection. Design: Quasi-experimental where …
Published in International Journal of Pediatric Nursing · Vol. 4, Issue 2, 2018 · pp. 54–61 Read article
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Experimental Study on Influence of Polarity on Weld Quality in Submerged Arc Welding
Abstract: ABSTRACT High productivity and better finishing of deposited metal can be acquired by submerged arc welding process. The attainment of desirable weld bead parameters and mechanical properties of a weld are important concern in a welding process. The higher quality and cost effective welds can only be achieved by deeply understanding the welding parameters and their influence on weld metal properties. The control over the weld metal properties in a …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 2, 2024 · pp. 1–7 Read article
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Investigation of Thermo-Acoustic Properties of Ethanol-Cyclohexane Binary Mixture
Abstract: The density, viscosity, and speed of sound for ethanol-cyclohexane binary mixtures were determined across mole fractions ranging from 0.1 to 0.9 using an Anton Paar DSA 5000 M within the temperature span of 288.15–318.15 K. From these experimental measurements, several thermodynamic and acoustic properties, such as isentropic compressibility, relative association, free volume, relaxation time, Gibbs free energy of activation, internal pressure, and solubility parameter, were derived. These parameters serve as …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 11, Issue 2, 2025 · pp. 1–14 Read article
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Design and Performance Evaluation of an Existing Cooling Tower in Port Harcourt Refinery
Abstract: The need for efficient and effective waste heat removal systems forms the basis of this research which is the Design and Performance Evaluation of an Existing Cooling Tower in Port Harcourt Refinery. The design performance equation models were developed by the application of the principle of conservation of mass and energy and also from standard correlations from literatures. The input parameters for the solution of the design performance equations were …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 1, 2020 · pp. 30–41 Read article
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Screening the Effects of Asphalt Plant Discharge Water on Germination Indices of Some Edible Vegetables
Abstract: The study aims to determine the effects of asphalt plant discharge water containing different compounds of polycyclic aromatic hydrocarbons on germination parameters of viable seeds of Telfairia occidentalis Hook. F, Corchorus olitorius and Solanum macrocarpon L. in a screen house. The experiment was laid out in a completely randomized design with five replicates. A 300 ml of asphalt plant discharge water obtained from the three different locations (T2, T3, and …
Published in International Journal of Environmental Chemistry · Vol. 11, Issue 2, 2025 · pp. 22–35 Read article
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Design of Experiments for Vibration Monitoring of Rotating Machinery
Abstract: The valuable resources are rotating technology. In industrial applications, several machines are essential to the effective operation of any system. This article describes the engineering process for developing designs for analyzing variation and the optimization of condition monitoring by the impacts of vibration parameters using Taguchi processes to improve the quality of manufactured items. Crucial spinning equipment is included in the experiment to maximize the vibration frequency reactivity. Using Minitab …
Published in International Journal of Mechanics and Design · Vol. 11, Issue 1, 2025 · pp. 27–41 Read article
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A Study on the Effect of Pulmonary Hygiene on Respiratory Functions in Chronic Obstructive Pulmonary Disease Patients at a Hospital in Erode
Abstract: Background: Chronic Obstructive Pulmonary Disease (COPD) is a common condition characterized by long-term airway blockage. Symptoms such as breathlessness during physical activity and fatigue significantly affect patients' quality of life (QoL), limiting their ability to engage in various physical activities. The aim of this study is to evaluate the impact of pulmonary hygiene on respiratory function in individuals with COPD. Design: A pre-experimental design using a one-group pre-test and post-test …
Published in International Journal of Nursing Critical Care · Vol. 11, Issue 1, 2025 Read article
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Smart Monitoring of Vibration in CNC Turning Tool Holders: Arduino-Based Sensor Interface
Abstract: Vibrations are a common problem in CNC turning operations, affecting the machine tool's overall performance and productivity. The geometrical accuracy and surface quality are reduced as a result of repeated vibrations, reducing tool life. Vibrations can now be sensed and responded, thanks to new advancements in electronic technology. The goal of this research work is to use a 3D accelerometer(sensor) to measure vibrations and determine the value of vibration and …
Published in International Journal of Computer Aided Manufacturing · Vol. 10, Issue 1, 2024 · pp. 7–27 Read article
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Radiation and Chemical Reaction Effect on MHD Flow Past an Accelerated Isothermal Inclined Plate in a Rotating Fluid with Variable Mass Diffusion
Abstract: In this paper, we present radiation, chemical reaction and rotation effects on unsteady MHD flow past an accelerated isothermal inclined plate with variable mass diffusion. The non-dimensional governing equations are solved using Laplace transform method. The velocity, temperature and concentration profiles are discussed for various physical parameters like, radiation parameter, chemical reaction parameter, rotation parameter, Prandtl number, Schmidt number and time. Finally, physical quantities such as Nusselt number and Sherwood …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 1, 2017 · pp. 1–14 Read article
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Thermodynamic and Kinetic Characterization of Aluminum Corrosion and Inhibition Adsorption of Vernonia Amygdalina Fruit Extract IN 0.5N H2SO4
Abstract: Anti-corrosive efficacy of ethanolic extract of Vernonia amygdalina fruit extract on corrosion of aluminum in 0.5N H2SO4 acidic solution was explored by mass loss measurement at rise in temperature between 303-343 K for 24 hours immersion period. The I.E. (η%) has been noticed prominently high (62.92%) at concentration 0.45% at 303 K. An inhibitor adsorption on the surface aluminum have been found to be best fitted Langmuir adsorption isotherm. It …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 1, 2023 · pp. 20–27 Read article
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Application of Surface Water Quality Classification Models Using Principal Components Analysis and Cluster Analysis
Abstract: Water quality monitoring has one of the highest priorities in surface water protection policy. Many variety approaches are being used to interpret and analyze the concealed variables that determine the variance of observed water quality of various source points. A considerable proportion of these approaches are mainly based on statistical methods, multivariate statistical techniques in particular. In the present study, the use of multivariate techniques is required to reduce the …
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 1, 2019 · pp. 19–31 Read article
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Decision Methodology for Site Suitability Index – A Combinatorics Approach
Abstract: Installation and operation of a power plant is dependent upon a large number of parameters which are interdependent. In the present work a methodology based upon the combination of digraph development, matrix representation and computational solution is applied on the problem of site selection for power plant is developed. The aim of present work is the factor identification and methodology development for decision making. This paper identifies various parameters affecting …
Published in International Journal of Energetic Materials · Vol. 2, Issue 1, 2016 · pp. 15–18 Read article
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Multi-objective Optimization of Weld Bead Geometry of Micro-plasma Arc Welded Titanium (Ti–6Al–4V) Alloy Sheets Using TOPSIS
Abstract: Titanium alloys are used in the manufacturing of aero engine components for their attractive, combined properties such as lightness, good strength-to-density ratio, corrosion resistance. In the present paper, titanium (Ti–6Al–4V) alloy sheets are butt welded using micro-plasma arc welding. Peak current, base current, pulse rate, and pulse width are considered as weld input parameters and weld bead geometry parameters, namely front width, back width, front height, back height, are considered …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 1, 2019 · pp. 37–48 Read article
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Seasonal Assessment of Water Quality of Hand-Dug Wells Used for Drinking and Agricultural Purposes in Makeni, Northern Province, Sierra Leone
Abstract: The study assesses four Wells’ groundwater quality in terms of its suitability for agricultural irrigation and drinking purposes. From January to December 2024, the following physicochemical parameters pH, turbidity, electrical conductivity (EC), total dissolved solids (TDS), ammonia, nitrate, fluoride, and chromium were examined. To evaluate each Well’s overall water quality, the water quality index (WQI) was computed. Well two (90.56) and Well three (71.14) WQI values show that the water …
Published in International Journal of Environmental Chemistry · Vol. 11, Issue 1, 2025 · pp. 159–172 Read article
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Mathematical Computation, Ecological and Human Health Implications of Water Quality Index of Bodo Creek, Niger Delta, Nigeria
Abstract: Bodo Creek has huge importance to the people in the area and also constitute their source of fishing, boating, dredging, and transportation to Bonny Island among other neighbouring coastal communities in Rivers State. Water contamination is a significant issue, but it has also brought up important environmental and public health concerns. The weighted arithmetic water quality index approach was used in this work to determine the Water Quality Index (WQI) …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 1, 2025 Read article
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The Implementation of Machine Learning in the Search to Fight Plant Disease
Abstract: The agriculture business loses money and time due to plant diseases. Diagnosing disease accurately takes skill and devotion. Infected plants may have spots or streaks of a different color on their leaves. Several fungal, bacterial, and viral species can also infect plants. Individual plant disease signs and indications are assessed. Neural network applications are growing. Recent research studies have determined how well machine learning reviews traditional plant disease diagnosis methods. …
Published in International Journal of Image Processing and Pattern Recognition · Vol. 10, Issue 1, 2024 · pp. 25–34 Read article
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Effectiveness of Early Ambulation on Post-operative Pain and Healing in Mothers After Cesarean Section at a Selected Hospital in Bangalore
Abstract: Introduction: Encouraging early mobilization has proven to be a beneficial approach for the post-operative care of mothers who undergo cesarean sections, contributing to improved maternal recovery. The current study aims to determine the effectiveness of early ambulation on post-caesarean pain and recovery among post-cesarean mothers. Materials and methods: A quantitative research methodology employing a true experimental design was carried out at a multispecialty tertiary care hospital located in Bangalore. A …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 10, Issue 1, 2024 · pp. 6–10 Read article
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Classification Tools of Rating Water Quality: Application of Sr and WQI
Abstract: The study in this research is to evaluate Obite and Ogbogu groundwater quality. Studentized range test were used to appraise the relationship between water parameters assessed of Obite and Ogbogu community and the results obtained indicates that there is significant difference between Obite and Ogbogu community water quality parameters investigated as the percentage point of studentized range at 5% level with 70 degrees of freedom, when compared with the calculated …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 1–7 Read article
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Equivalent Circuits For High Frequency Bipolar Transistors
Abstract: Two types of equivalent circuits were considered to represent small signal/linear bipolar transistor behaviour at high frequencies. Elements/Parameters of the equivalent circuits are extracted from measured S parameters using gradient method by Fletcher-Powell. Exact gradients of S parameters were determined by using gradient conversion matrix formula between two-port open circuit impedance parameters and two port scattering parameters. Good agreement between measured and simulated all the four two port S parameters …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 3, Issue 1, 2017 · pp. 1–9 Read article
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Surface Roughness Analysis on the Vegetable Oil Based Cutting Fluid in Turning of EN8 Steel
Abstract: In the present work, properties of the present work of the non-ionic surfactants have been recognized to formulate vegetable oil based cutting fluid (VBCF) palm oil for the emulsion as non-conventional lubricant. Surface finish is an important indicator of quality in manufacturing industries and thus it is regarded as one of the most important parameter to be considered. In this present work different machining parameters were taken and their effect …
Published in International Journal of Manufacturing and Materials Processing · Vol. 3, Issue 1, 2017 · pp. 1–8 Read article