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1967 articles for “F1-score of 0.918” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Investigation of Characteristics of Vernonia amygdalina Stem on Remediation of Crude Oil Polluted Loamy Soil Environment
Abstract: The effectiveness of Vernonia amygdalina in Total Petroleum Hydrocarbon (TPH) mitigation in a loamy soil environment was monitored using mixture of 100ml of Crude oil, 2kg of loamy soil and 25g to 100g of remediant determined. The experiment was set-up based on the design concept considered as presented in this research, which involved constant volume of 100ml of crude oil, constant mass of 2kg of loamy and changes in mass …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 2, 2023 · pp. 23–30 Read article
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Utilization of Fish Excreta for Algae Production
Abstract: AbstractAlgae has been existing on earth since its beginning but its prospective advantages have recently been understood and hence it is now being considered to play a major role in solving some of the most critical problems of the world. However the high cost of algae production is the biggest obstacle in making algae a mainstream candidate for the development of various products. The current study tried to reduce the …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 3, 2017 · pp. 9–17 Read article
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Role of Solid Acid Catalyst in Isopropylation Reaction
Abstract: Cumene synthesis was carried out by the reaction of benzene with isopropyl alcohol in the vapour phase over rare earth metal modified 13X zeolite. Zeolite modification was done by exchanging sodium ions of the zeolite with cerium ions to vary the acidity of the catalyst in the range of 0.25‑1.36 meq/g. The synthesis was carried out over a wide range of operating conditions. The synthesis conditions were optimized by studying …
Published in Journal of Catalyst & Catalysis · Vol. 2, Issue 2, 2015 · pp. 19–26 Read article
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Performance Evaluation of H 2 SO 4 -Rice Husk-Moss Adsorbent for the Removal of Zn (II) Ion from the Effluent of Science Equipment Development Institute (SEDI)
Abstract: This research was carried out to investigate the potential of green algae (moss) with the support of H 2 SO 4 treated rice husk activated carbon using batch adsorption process for the removal of Zn (II) ions from SEDI industrial effluent. The rice husk- moss algae was activated using H 2 SO 4 . The effluent was characterized using atomic absorption spectrophotometer with initial concentration values of 12.3 mg/l for …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 1, 2022 · pp. 6–15 Read article
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Geotechnical Assessment and Stabilisation of Lateritic Soils in Tarkwa Using Rice Husk Ash for Road Construction Purpose
Abstract: The cost effectiveness of upgrading gravel roads to a sealed standard has challenged road authorities to make optimum use of naturally occurring materials such as laterites as sub-base and base materials. Untreated laterites have presented problems such as pavement swelling and depression in road construction. This research seeks to assess and stabilise the geotechnical properties of some lateritic soils in Tarkwa using Rice Husk Ash for road construction purposes. Lateritic …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 1, 2019 · pp. 6–16 Read article
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Performance of Polyster Fibre Reinforced Concrete
Abstract: The present work deals with the results of experimental investigations on Recron 3s Polyester fibre reinforced concrete. Effect of these fibres on various strengths of concrete are studied. Firstly 0.1% fiber content is used and after that varied from 0.2 to 1.8% at an interval of 0.2% by weight of cement. Various strengths considered for investigation are compressive strength, flexural strength, split tensile, bond strength and shear strength. Cube of …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 2, 2019 · pp. 37–46 Read article
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Incentive Scheme and its Influence on Construction Project Performance
Abstract: Incentive is motivation given to employees in order to boost their morale in performing better at their task. Type of incentive scheme and method of application used can influence satisfaction derived by individual employee. This paper examines challenges to effective incentive scheme and benefits of incentives to construction industry. Data were collected through structured questionnaires administered to professionals in building industry. Data collected were analyzed using descriptive i.e., mean and …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 3, 2019 · pp. 1–5 Read article
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Study of Nano Additives in Concrete mix Proportioning Using Nano Particle
Abstract: This research literature reviews on nanomaterials in concrete. Now, the conventional concrete Properties of nanomaterial utilization have been introduced to various attentions to increase. Ultimately, as an introduction, the nanomaterial is increasing the strength and durability of the Concrete. The nanomaterial is described as the material that includes the particle size Less than 200 nm. While the investigation of Concrete in the importance of nanomaterials, the demand is at least …
Published in Journal of Construction Engineering, Technology & Management · Vol. 10, Issue 1, 2020 · pp. 37–48 Read article
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The Study on Properties of Concrete with Cement Partially Replaced by Corn Cob Ash
Abstract: In recent times, instead of cement many alternative materials are being used as the binding material in the construction sector. One such binding material that can be used as a partial replacement for cement is corn cob ash. Corn cob is agricultural waste product obtained from maize or corn. Corn cob is the hard thick cylindrical central core of maize. The tests were carried out on the raw materials to …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 1, 2016 · pp. 78–83 Read article
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Influence of Mineral Admixture on Compressive Strength of Concrete
Abstract: The current paper shows the results of an investigation focused on the effect of metakaoline (MK) and silica fume (SF) on the compressive strength of concrete. The aim of the study was to investigate the effect of concrete compressive strength containing different percentage levels of metakaoline and silica fume on fresh and mechanical properties of the concrete. Pastes containing 0%, 5%, 10%, 15% and 20% of metakaoline and silica fume …
Published in Journal of Construction Engineering, Technology & Management · Vol. 2, Issue 1-3, 2012 · pp. 42–47 Read article
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Optimum Mixture Proportioning of Sawdust Ash Blended Sand-Stone Dust Blocks Using Scheffe’s Regression Theory
Abstract: This study carried out an experimental investigation on the compressive strength of sawdust ash blended sand-stone dust block of size 450 x 225 x 150 mm using Scheffe’s (5, 2) regression theory. The compressive strength of sawdust ash blended sand-stone dust blocks obtained based on fifteen trial mix ratios were used to develop the mathematical model while the results of the compressive strength values obtained based on the additional fifteen …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 2, 2023 · pp. 33–40 Read article
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Design and Analysis of Bootstrap Sample and Hold Circuit
Abstract: This paper describes the design and implementation of open-loop sample and hold-circuit using bootstrap technique, which can be used as front end sampling circuit for high-speed analog-to-digital converters. Different design criteria, viz., speed, power, resolution, linearity, noise and harmonic analysis have been dealt with. Both theoretical analysis and simulation results are carried out. The bootstrap circuit is designed and then compared in a 0.18 and 0.35 μm CMOS process. It …
Published in Journal of Electronic Design Technology · Vol. 5, Issue 3, 2014 · pp. 7–14 Read article
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Operative Protection Fortitude for Agip 1x15 MVA, 33/11KV Injection Substation
Abstract: The Electrical Power System generally consist of the Generation, transmission and distribution and this system require an adequate protection in it layers of operation to help protect electrical loads and equipment from damaging as to ensure healthy and quality power supply in the power system. The fault associated with this substation are short circuits, overloads, phase unbalance/imbalance, poor usage of protection which in turns causes regular trips/damage on equipment at …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 3, 2022 · pp. 1–8 Read article
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Evaluation of Diesel Engine Performance Using Neem Oil Methyl Esters and Biogas as an Alternative Source
Abstract: AbstractThe Neem oil methyl ester (NOME) used as a biofuel is produced by transestetrification process with an aim to reduce the viscosity level, fuel economy and less environmental pollution. Further, addition of biogas to the NOME is expected to improve the performance. The objective of study was to evaluate the performance parameters such as Total fuel consumption (TFC), Specific fuel consumption (SFC) and Brake thermal efficiency (BTE). The experiment was …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 8, Issue 1, 2018 · pp. 21–25 Read article
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Effect of Layering of Reinforcement on Bearing Capacity of Shallow Footing Resting on Sand
Abstract: The study was done to investigate the performance of reinforced soil foundation. The construction of reinforced soil foundation has a cost effective alternative to conventional methods. Performance characteristics were improved by using one or more layers of non-woven geotextile placed beneath the footing to create a composite material. The reinforcement in the soil interacts with the soil and is resisted by friction, adhesion or passive / bearing capacity. To study …
Published in Journal of Geotechnical Engineering · Vol. 5, Issue 2, 2018 · pp. 15–19 Read article
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Corrosion Behavior of Welded Austenitic Stainless Steel in Different Environments
Abstract: Corrosion behavior of welded austenitic stainless steel in 0.5 M hydrochloric acid and wet-steam corrosive media has been studied. The immersion time in the corrosive media was 30 days to simulate the effect on stainless steel structures/equipment in offshore and food processing applications. Annealing heat treatment was carried out on the samples. The gravimetric technique was used for the corrosion tests. Seawater sample has highest weight loss of 4.0 mg …
Published in Journal of Industrial Safety Engineering · Vol. 1, Issue 3, 2014 · pp. 18–30 Read article
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Nanostructured Cr-WS2 Solid Lubricant Coating for Space Applications
Abstract: Abstract Tungsten disulphide (WS2) is one of the widely used intrinsic low friction materials, which is commonly used in the form of coating. WS2 offers very low coefficient of friction only in non humid conditions. Presence of humidity destroys this property and restricts its utility. Modifying the structure of WS2 by adding certain metals helps in overcoming this limitation and in addition improves the mechanical properties. Further, deposition technique and …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 1, 2019 · pp. 12–18 Read article
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Wi-Fi Shaped Quad-band Microstrip Antenna for RF Energy Harvesting Applications
Abstract: AbstractIn this paper, author proposed a Wi-Fi shaped microstrip antenna for the RF energy harvesting applications. The proposed antenna is operating at the frequencies 0.9, 1.7, 1.9 & 2.4 GHz. The antenna radiates at the quad-band frequency having an application in GSM Band and Wi-Fi Bands. The antenna consists of four different strips which correspond to each frequency in the result. The co-axial probe is connected from the side of …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 3, 2018 · pp. 11–19 Read article
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Design and Analysis of Microstrip Band Stop Filter with Modified Circle and Dumbbell Shape Ground Structure
Abstract: In this proposed paper the performance of Band stop filter with modified ground structure is analyzed in this specific work; the modified ground structure includes a circle and dumbbell etched shapes in ground plane. Parameters of the proposed configuration were calculated at the cut off frequencies of f1=1 GHz, f2=1.62GHz and also proposed designs having substrate height of 1.6 mm, loss tangent of 0.02 and dielectric constant of 4.4. Results …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 2, 2015 · pp. 26–31 Read article
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EFFECT OF Scandium and Zirconium ADDITIONS ON HARDNESS AND CORROSION RESISTANCE OF AA5083 Alloy
Abstract: This study investigates the hardness and corrosion resistance of modified AA5083. Stir casting with cold rolled condition was applied to prepare the four compositions, namely AA5083 alloy, modified AA5083 alloy with 0.2wt.%Sc-0.1wt.%Zr, modified AA5083 alloy with 0.4wt.%Sc-0.1wt.%Zr alloy, and modified AA5083 alloy with 0.6wt.%Sc-0.1wt.%Zr alloy. Alloying with Sc-Zr has a strong influence on the hardness of AA5083 alloy and corrosion resistance.
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 1, 2019 · pp. 1–8 Read article