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2000 articles for “PE” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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A Review of Prenatal and Perinatal Risk Factors for Childhood Retinoblastoma in India
Abstract: Abstract Retinoblastoma majorly affects children under the age of five years. This review tries to elucidate the correlation of the factors not only limited to the genetics but also the health of the parents and their environment.
Published in International Journal of Animal Biotechnology and Applications · Vol. 7, Issue 1, 2021 · pp. 1–8 Read article
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Mathematical Modelling of the Effect of Functional Parameters of Temperature on Biodegradation of Petroleum Hydrocarbons
Abstract: Mathematical model was developed to examine the effect of functional parameters of temperature on biodegradation of petroleum hydrocarbons. The developed model was related to Monod’s equation and the microbial growth rate was monitored, predicted and simulated with variation on the functional parameters. The result obtained revealed increase in the microbial growth rate with increase in the functional parameter values. The maximum specific microbial growth rate was constant as well as …
Published in International Journal of Analytical and Applied Chemistry · Vol. 7, Issue 2, 2021 · pp. 21–27 Read article
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Overview of Strategies for Flood Control and Risk Management in Nigeria
Abstract: This study presents the strategies for flood control and risk management plan in view to overcome the current menace faced by the people of Nigeria. However, to overcome these, the following flood master plans were set amongst other things to formulate a broad policy framework and milestones for managing floods and stipulate specific strategies for achieving these milestones during the next decade up to 2050. The vision of the plans …
Published in International Journal of Analytical and Applied Chemistry · Vol. 8, Issue 2, 2022 · pp. 41–50 Read article
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The Performance of Microbial Lipase Immobilized onto Ion Exchange Resins and onto the Natural Zeolite Clinoptilolite
Abstract: The paper describes a study into the performance of a microbial lipase immobilized on to four different ion exchangers. Lipase from the yeast Candida rugosa was immobilized onto the anionic ion exchange resins Dowex MWA-1, Purolite A109, and Amberlite IR45. The performance of the immobilized lipase in each case was evaluated by measuring the immobilization efficiency and by following the reaction kinetics of hydrolysis of a tri-glyceride ester to free …
Published in International Journal of Chemical Separation Technology · Vol. 2, Issue 2, 2016 · pp. 24–32 Read article
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High Performance Liquid Chromatography - A Separation Technique in Chemical Analysis
Abstract: High-performance liquid chromatography (HPLC) is a chromatographic technique used to split a mixture of compounds in the fields of analytical chemistry, biochemistry and industrial. The main purposes for using HPLC are for identifying, quantifying and purifying the individual components of the mixture. High-performance liquid chromatography or high-pressure liquid chromatography (HPLC) is a chromatographic method that is used to separate a mixture of compounds in analytical chemistry and biochemistry so as …
Published in International Journal of Chemical Separation Technology · Vol. 3, Issue 2, 2017 · pp. 14–17 Read article
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Extraction of Bioflavonoid from Peel of Citrus sinensis
Abstract: Citrus sinensis is belongs to the Rutaceae family. This is also known as orange fruit and it contains several phytochemicals like phenolic compounds, phenolic acids, bioflavonoids (quercetin, rutin and kaempferol), saponins, carotenoids, citric acid and vitamin C (ascorbic acid). It shows various pharmacological activities like antioxidant activity, anti-inflammatory activity, anti-diabetic activity, anti-cancer activity, wound healing activity etc. This plant control the various disorders in the society. Bioflavonoids also assist in …
Published in International Journal of Chemical Separation Technology · Vol. 7, Issue 1, 2021 · pp. 1–5 Read article
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Bioremediation of Polluted Drainage with Petroleum Hydrocarbon
Abstract: This research was aimed at examining the petroleum product discharge in drainage within Port Harcourt City, samples were collected and mixed. Microbial analysis and physicochemical properties of the sample were determined. The sample was subjected into bioremediation after culturing of the microorganisms isolated, identified and characterized. The two microorganisms used are pseudomonas aeruginosa and aspergillus niger. The results obtained revealed high concentration for heavy crude oil than mixed crude oil; …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 2, 2021 · pp. 24–34 Read article
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Evaluating Boiler Performance in Refinery Operations Using Thermodynamic Principles
Abstract: This work involves the evaluation of effect of boiler operating temperature and pressure on the performance of steam power plant, a case study of Port Harcourt Refining Company. Thermodynamic principles of the Rankine cycle as the ideal cycle for steam power plant analysis were applied in this study. Boiler operating pressures of 43bar and 61bars were used. The results obtained showed that there was improved performance of the plant when …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 8–28 Read article
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Optimizing Aggregate Gradation for Enhancing Strength Properties of Pervious Concrete
Abstract: Pervious concrete possesses high permeability enabling environmental applications like stormwater recharging. However, lower strength limits widespread infrastructure adoption necessitating enhancements. This study focuses on optimizing aggregate proportions for improving compressive and flexural strength. Mixes were developed with cement variations from 200-500 kg/m3 with fine to coarse aggregates ratios systematically altered. Strengths were measured as per ASTM C39 and ASTM C78. Results showed reduced water-cement ratio and balanced aggregate blends improved …
Published in International Journal of Concrete Technology · Vol. 9, Issue 2, 2023 · pp. 41–49 Read article
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Study and Design of Permeable Pavement
Abstract: The purpose of this review paper is to study the advantages of the permeable pavement system and also understanding the current research works and line of works to recommend the future areas of research works. This review paper also defines the importance of permeable pavement systems in the sustainable drainage system in both the urban and rural areas for both the traditional and modern method and also discussed more on …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 5, Issue 1, 2019 · pp. 34–42 Read article
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Some Geomechanical and Petrophysical Linkages Within Paleo-Sedimentary Beds of Ghana
Abstract: Instability issues have been a major challenge in the Sekondian Series of South-Western Ghana. This is particularly affecting civil works and environmental mitigation efforts across the formation as extensive weathered profile impedes structural integrity. Uniaxial Compressive Strength (UCS) of lithological units which is a critical stability measure in most engineering projects requires quality sample of appropriate dimension for its determination. Samples for this important design parameter cannot be easily obtained …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 6, Issue 1, 2020 · pp. 31–42 Read article
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Seismic Performance Of RC Elevated Liquid Storage Tank Supported On Partial Shaft Type And Full Shaft Type Staging.
Abstract: Elevated water tanks are mostly used in public water distribution system. These structures are most vulnerable under earthquake excitation due to large lumped mass concentrated at the top of slender supporting structure. In this dissertation, a comparative study is made on seismic performance of elevated intze shape water tank supported partial shaft type staging and full shaft type staging of 2,50,000 litre capacity. The analysis s carried out in accordance …
Published in International Journal of Structural Engineering and Analysis · Vol. 6, Issue 1, 2020 · pp. 40–51 Read article
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Improving the Performance of Highway Construction Projects: A managerial approach
Abstract: Highway Construction sector in India is much important as it is the 2nd largest road network in the world with 5.89 million kilometers. Government policies focus on increasing the private participation for infusion of funds in the road development projects. This has attracted the foreign investors participation with many private sectors entering this business through Private Public Partnerships (PPP).In the Highway construction process better Construction Management strategies are still required …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 6, Issue 2, 2020 · pp. 19–30 Read article
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Comparison of Mean Depth of Flow Obtained by Maximum Permissible Velocity and Adam–Basforth Method
Abstract: The equation is formed for mean depth of flow and mean velocity of flow with respect to maximum permissible velocity and maximum value of Manning’s roughness coefficient. It is found that the mean depth of flow obtained from maximum permissible velocity provides nearly equal value compared with mean depth of flow obtained from 0.75-inch roughness bed flume data. The depth of flow obtained from Adam–Basforth method provides nearly equal value …
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 1, 2019 · pp. 13–18 Read article
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Selection of Best Fit Probability Distribution for Estimation of Peak Flood using Qualitative and Quantitative Assessments
Abstract: Estimation of Peak Flood (PF) for a given return period is of utmost importance for planning and design of hydraulic structures. This can be achieved through Flood Frequency Analysis (FFA) of stream flow data by fitting normal, gamma and extreme value families of distributions to the series of observed annual peak flood data. In this paper, a study on estimation of PF for river Beas at Dhaulasidh site adopting 2-parameter …
Published in International Journal of Water Resources Engineering · Vol. 6, Issue 2, 2020 · pp. 28–38 Read article
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Evaluation of ERA5 Global Model Performance in Regional Waters Based on Year-round Meteorological Observations: A Case Study in The Bay of Bengal
Abstract: Monitoring the meteorological parameters is crucial in understanding the day to day weather for planning various activities. Longterm monitoring is essential to estimate the climate change and associated impacts. One of the key adverse effects of climate change on mankind is the increasing number of cyclones of high intensity. Indian moored buoy network in the North Indian Ocean has been maintained by NIOT for the past 2.5 decades providing crucial …
Published in International Journal of Water Resources Engineering · Vol. 9, Issue 1, 2023 · pp. 40–52 Read article
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PERFORMANCE OF IDMA WITH PRIME INTERLEAVER BY USING SEMI-BLIND DETECTION TECHNIQUE IN WIRELESS COMMUNICATION SYSTEM
Abstract: This paper provides a review on the IDMA (Interleave Division Multiple Access) technology in wireless communication system based on interleaver. It provides comprehensive study of IDMA technique with prime interleaver. In this paper, channel estimation techniques for iterative receiver are discussed for IDMA system. Semi-Blind techniques are considered .In this paper, IDMA technique is proposed in AWGN channel. IDMA is a multi- user scheme in which chip interleavers are the …
Published in International Journal of Broadband Cellular Communication · Vol. 1, Issue 2, 2015 · pp. 1–7 Read article
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Performance Analysis of OQAM Based GFDM 5G System
Abstract: ABSTRACT In the area of 5th generation cellular system many technologies have been introduced, in which Generalized Frequency Division Multiplexing (GFDM) is one of the promising technique which has far more better performance than OFDM based 4G cellular systems such as Inter Carrier Interference (ICI) and Inter Symbol Interference (ISI). In this paper performance of GFDM is applied with offset QAM technique the performance criteria are SEP which are analysed …
Published in International Journal of Broadband Cellular Communication · Vol. 5, Issue 1, 2019 · pp. 28–34 Read article
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Performance Analysis of MIMO-FBMC Transceivers in Multi-Path Fading Channels
Abstract: Multiple-input multiple-output (MIMO) technology has become an integral part of wireless communication systems, enabling high data rates and improved spectral efficiency. Filter bank multi-carrier (FBMC) modulation is another promising technique that offers several advantages over traditional orthogonal frequency division multiplexing (OFDM) in terms of spectral efficiency and robustness to frequency-selective fading channels. In this paper, we investigate the performance of MIMO-FBMC transceivers in multi-path fading channels. We first review the …
Published in International Journal of Broadband Cellular Communication · Vol. 8, Issue 2, 2022 · pp. 1–8 Read article
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Study Of Degrading Performance of Solar PV Panels Due To Effect of Dust Accumulation In Jaipur
Abstract: Solar photo voltaic (PV) systems are a promising method of generating electrical power from renewable energy in all over world right now. However, light obstruction on the solar panel due to dust accumulation can significantly influence the performance and efficiency of the system, and thus can affect the cash flow of the system operators. Instead of this problem, only small studies have been conducted on the nature of dust accumulation …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 2, 2016 · pp. 48–58 Read article