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1334 articles for “Rats”
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Evaluation of Adsorption Isotherm Parameters on Corrosion Rate of Metal using Water-Based Extracts as an Inhibitor in Acidic Medium
Abstract: The research showcases the evaluation of MCS metal corrosion rate in terms of the effect of temperature and adsorption isotherm parameters monitored using water-based extracts with the aim to predict the Gibb’s free energy characteristics on inhibition integrity of the metal sample in acidic medium of 1.0M of HCl The water-based extract used are Selaginella myosurus, SM and Pneumatopter is pennigera, GF and the inhibition performance with respect to temperature …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 1, 2023 · pp. 14–25 Read article
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Enhance the Process Parameters for Material Removal Rate (MRR) Assessment in Turning Operations with HSS Cutting Tools
Abstract: AbstractThe experimental investigation of turning on EN8 steel of grade SAE (AISI) 1040 using HSS cutting tools was the focus of this work. The following study’s main goal was to apply the Taguchi method to ascertain how the machining parameters – feed, depth of cut, and cutting speed – affect the rate at which material is removed from the machined material. Finding the ideal machining parameters to optimize the material …
Published in International Journal of Computer Aided Manufacturing · Vol. 11, Issue 1, 2025 · pp. 16–23 Read article
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Simultaneous Determination of Caffeine And Nicotinic Acid in Real Samples Using Mean Centering of Ratio Spectra Spectrophotometric Method
Abstract: In this paper a simple method was developed for the simultaneous determination caffeine and nicotinic acid, without prior separation steps. This method is based on the mean centering of ratio spectra. The mathematical explanation of the procedure is illustrated.The procedure is successfully applied to the simultaneous determination of these analytes in Coffeeand tea samples. KeyWords: mean centering, ratio spectra, caffeine, nicotinic acid
Published in International Journal of Analytical and Applied Chemistry · Vol. 1, Issue 1, 2015 · pp. 1–6 Read article
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Study of Corrosion Rate in Water Treatment Plant in Oil field
Abstract: The high cost of corrosion, the corrosion engineers concern and its reduction in oil, gas and petrochemical countries is essential about 10% of the cost of producing a barrel of crude oil cost. Corrosion rates in the world costs 42–80 cents a barrel for crude oil is produced, specific climatic conditions, history of the country's refineries and oil production are the main factors affecting the cost of corrosion in oil …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 1, 2017 Read article
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Novel method for determination of kinetic constants from dynamics in a batch reactor with constant heat input rate
Abstract: In this article a novel method of obtaining reaction kinetic constants is described. It consists of measuring both concentration and temperature dynamics in a batch reactor supplied with a constant heat input rate. A system of esterification reaction between acetic acid and methanol in the presence of a cationic resin catalyst is studied. This reversible reaction’s rate is modeled by molecular order and as pseudo homogeneous assumption. By just one …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 19–23 Read article
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Effect of Temperature on Particle Size Mixed Ratio on Petroleum Hydrocarbon Treatment in Packed Bed Unit using Adsorbent
Abstract: The significance of temperature on the potential characteristics of the adsorbent performance in treatment of polluted water medium was monitored by using both room and sun dried bioadsorbent. The research furthermore showcases the effect of particle size of the bioadsorbent in the treatment process and obtained result revealed that the particle size is a contributing factor to the efficiency and the potential in which the rate of Total Petroleum Hydrocarbon …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 9, Issue 2, 2023 · pp. 1–12 Read article
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Predicting the Spread of Nitrosomonas on Low Deposited Porosity and Void Ratio in Coarse Formation of Degema Coastal Location
Abstract: This paper discus the prediction of Nitrosomonas deposited in low porosity and void ratio in coarse formation, the deposition of Nitrosomonas express the behavior reflecting from the influential variables that were observed to pressure the deposition of Nitrosomonas in coarse deposited formation. Several conditions on the migration process were considered in the derived solution, this expression from the derived solution shows how the system in other ways could developed accumulation …
Published in International Journal of Water Resources Engineering · Vol. 4, Issue 1, 2018 · pp. 9–16 Read article
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Mathematical Models and Forecast of Effect of Flow Rate on Turbidity and Total Suspended Solids Within Water Bearing Aquifer
Abstract: The aim of study is to develop mathematical models to predict turbidity and total suspended solids upon the influences of recharge and flow rate as a functional parameter in distribution interaction of water parameters within the water bearing aquifer taking a main well A as dispersing point to other wells. Predictive models have been generated to account for the effect of flow rate on turbidity and total suspended solids within …
Published in International Journal of Water Resources Engineering · Vol. 4, Issue 1, 2018 · pp. 52–60 Read article
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User Trust & Item Ratings based Regularized Model
Abstract: We recommend TrustSVD, a faith grounded frame factorization system for proposals. TrustSVD integrates dissimilar data sources into the suggestion demonstrate to diminish the information sparsity and cool begin issues and their exploitation of proposal execution. An investigation of social trust information from four true informational collections proposes that the express as well as the understood impact of the two evaluations and trust ought to be thought about in a suggestion …
Published in International Journal of Software Computing and Testing · Vol. 4, Issue 2, 2018 · pp. 19–23 Read article
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Review on the Enhancing the Heat Transfer Rate in the Air Heater by Modifying the Design
Abstract: An overview of the research on air heat exchangers and solar air heaters is given in this work. The goal of the review is to promote discussion and evaluation of the researchers' results. The paper includes extensive descriptions of several types of air heaters, air heat exchangers employing electrical heaters and other technologies, and solar air heaters with different absorber plate surface geometries to increase the rate of heat transfer. …
Published in International Journal of Mechanics and Design · Vol. 9, Issue 2, 2023 · pp. 27–32 Read article
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Importance of Blood Pressure and Pulse Rate, Vital Signs That Should Be Neglected by Nurse
Abstract: The cardiovascular nursing is an important concept in clinical practice. Many patients present with some degrees of cardiovascular disorders. The diagnosis of the cardiovascular problem might be possible by a good basic history taking and health examination. The basic vital sign monitoring is the role of nurse in general and the nurse has to recognize the importance of the procedure and should not ignore good nursing practice regarding blood pressure …
Published in International Journal of Cardiovascular Nursing · Vol. 4, Issue 2, 2018 · pp. 12–13 Read article
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Investigation of High Corrosion Rate in Oil Production Carbon Steel Pipelines
Abstract: A comprehensive study to identify the causes and the types of internal corrosion of a 16 inch oily water production piping from production wells, which was found to be severely corroded (corrosion rate ≈5.5 mm/year) was considered. The study involves collecting and analyzing of different parameters like production data, flow velocity, CO2 partial pressure, water quantities and water species contents, gas species contents, scale chemical elements, etc. This study is …
Published in International Journal of Chemical Engineering and Processing · Vol. 2, Issue 2, 2016 · pp. 42–51 Read article
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Examining the Rate of Change of Some Physicochemical Properties of a Polluted Water Environment as a Result of Crude Oil Spill
Abstract: This study was designed to look at how the physicochemical characteristics of the aquatic environment changed as a result of crude oil spillage. Samples were collected for analysis of physicochemical parameters, Total Dissolved Oxygen, Total Bacteria Counts (TBC) and Total Petroleum Hydrocarbon (TPH) content etc., for a period 84 days at 14 days intervals. Over the course of the analysis, the value of oil & grease varied between sampling points …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 1, 2023 · pp. 29–34 Read article
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Model Analysis of Bacteria Growth Rate in Polluted Stagnant Water Environment
Abstract: The Total Bacteria Count (TBC) analysis was carried out to investigate growth rate of microorganism in the stagnant water media. The analysis was also conducted to ascertain if the polluted water media can favour the growth bacteria, and hence, assist in the degradation Total Petroleum Hydrocarbon (TPH) content in water. The bacteria growth was slow from day 1 up to day 56, but began to increase rapidly between 70th and …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 1, 2023 · pp. 11–17 Read article
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High-rate Deformation of Condensed Matter Followed by Self-Organization on the Mesoscale
Abstract: The purpose of the paper is to demonstrate the advantages of the developed self-consistent non-local approach to the description of processes in condensed matter far from local thermodynamic equilibrium and new opportunities for understanding and practical use of such phenomena as self-organization, multi-scale energy exchange and turbulence. This interdisciplinary approach, based on rigorous results obtained in non-equilibrium statistical mechanics with the use of feedback control laws, offers a universal mathematical …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 13–38 Read article
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Spectral Analysis of Heart Rate Variability Signals using Stockwell-Transform
Abstract: This paper introduces the use of Stockwell transform (ST) for spectral analysis of heart rate variability (HRV) signals in time-frequency domain. The ST is depicted numerically and compared with well-liked method of wavelet transform known as continuous Morlet wavelet transform (CMWT). The results of this study show that the normalized mean power and total normalized power in VLF (0.004–0.04 Hz), LF (0.04–0.15 Hz) and HF (0.15–0.4 Hz) were improved compared …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 2, 2015 · pp. 9–19 Read article
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Modeling of Material Removal Rate in Micro EDM Using Neural Network
Abstract: In micro-electrical discharge machining (Micro EDM) machining, material removal rate (MRR) is the particular main output parameter. Here we will discover various machining parameters get an effect on the particular MRR. For production industries, to maximize the results from Micro EDM, appropriate predictive designs for MRR must end up being constructed. This particular report utilizes neural network modeling to predict MRR over the particular machining time for assortment of cutting …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 4, Issue 1, 2018 · pp. 30–39 Read article
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To Assess the Accuracy, Sensitivity and Specificity of Fetal Heart Rate (FHR) and Uterine Activity (UA) from Abdominal ECG and EMG Electrodes in Comparison with Conventional Cardiotocography (CTG) Machine
Abstract: Background: FHR and UC are two vital parameters that need to be monitored during the intrapartum period which can help reduce death from preventable causes during the intrapartum period. CTG is the currently used tool for intrapartum monitoring, but being expensive, bulky, and dependent on skilled healthcare workers for interpretation of results makes it unsuitable for use in healthcare settings. KEYAR is an affordable, portable, wearable, and easy to use …
Published in International Journal of Obstetrics, Perinatal and Neonatal Nursing · Vol. 9, Issue 1, 2023 · pp. 13–23 Read article
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Establishment of a Sensitive LC-MS Method for Pharmacokinetic Evaluation of Decitabine and Cedazuridie in Rat Plasma
Abstract: A simple, rapid, and highly sensitive liquid chromatography–mass spectrometry (LC–MS) method was successfully developed and validated for the simultaneous determination of Decitabine and Cedazuridine in plasma matrices. The method demonstrated excellent linearity across the selected calibration range, with correlation coefficients (R²) consistently exceeding 0.999 for both analytes, indicating strong analytical performance. Method validation was carried out in accordance with ICH Q2(R2) and US FDA bioanalytical method validation guidelines, ensuring compliance …
Published in International Journal of Green Chemistry · Vol. 12, Issue 1, 2026 · pp. 34–42 Read article
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Establishment of a Sensitive LC-MS Method for Pharmacokinetic Evaluation of Decitabine and Cedazuridie in Rat Plasma
Abstract: Abstract A simple, rapid, and highly sensitive liquid chromatography–mass spectrometry (LC–MS) method was successfully developed and validated for the simultaneous determination of Decitabine and Cedazuridine in plasma matrices. The method demonstrated excellent linearity across the selected calibration range, with correlation coefficients (R²) consistently exceeding 0.999 for both analytes, indicating strong analytical performance. Method validation was carried out in accordance with ICH Q2(R2) and US FDA bioanalytical method validation guidelines, ensuring …
Published in International Journal of Green Chemistry · Vol. 12, Issue 1, 2026 · pp. 34–42 Read article