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1930 articles for “3-acetyl-7-bromo-2H-chromen-2-one” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Shallow Seismic Refraction Investigation for Site Classification and Geotechnical Engineering Applications
Abstract: The survey was carried to determine the Site Class of the study area and also estimate some geotechnical parameters of potential construction sites within the study area. The survey was conducted on the University of Mines and Technology (UMaT) campus, using Geometrics ES 3000, A 12-Channel seismograph developed by Geometric Inc. The results from the study show that the subsurface of the study area is made up of four layers. …
Published in Journal of Geotechnical Engineering · Vol. 7, Issue 2, 2020 · pp. 18–28 Read article
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Determination of Heavy Metals in Soil Samples in the Vicinity of Liquid Natural Gas Project, Shabwah Governorate, Yemen
Abstract: The present work aimed to determine the contaminants in soils resulting from or deposited due to emissions that come from natural gas in the area of Balhaf which is an LNG project in Republic of Yemen. Total of 8 surface soil samples were collected at depth of approximately (0–10 cm) from two sites which has different distances from the natural gas liquefaction project, took 4 samples from first site. The …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 1, 2022 · pp. 67–76 Read article
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Parametric Study of Twin Screw Extrusion for Processing Epoxy/Carbon Black Nanocomposites Using Orthogonal Array Technique
Abstract: AbstractThis paper presents the experimental investigation of the influence of process parameters of twin screw extrusion on the dispersion and electrical, thermal and mechanical properties of epoxy/CB nanocomposites. Four factors, namely, loading level of carbon black (0, 2, 4, 6, 8 and 10 wt%) in epoxy, screw speed (75, 100 and 125 rpm), temperature (5 °, 15 ° and 30 °C) and number of passes (5, 10 and 15) were …
Published in Journal of Polymer & Composites · Vol. 1, Issue 2, 2013 · pp. 15–26 Read article
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Engineering Novel Blue Emissive Thiazolidinedione (TD) Poly Lactic Acid (PLA) Composite Thin Films for Bioplastic Scintillation
Abstract: In this article, we demonstrate luminescent properties of PLA blended with new 3-[2-(4-methylphenyl)-2-oxoethyl]-5-(thiophen-2-ylmethylidene)-1, 3-thiazolidine-2, 4-dione and 3-[2-(4-chlorophenyl)-2-oxoethyl]-5-(thiophen-2-ylmethylidene)-1, 3-thiazolidine-2, 4-dione (TD). This paper mainly aims at the preparation of intercalated thin films of PLA and TD. The formation of matrix-dopant composite films was confirmed by FTIR, SEM, TGA, DSC and XRD characterizations. This work really stands out from our previous work as TD has been better recognized as drug material in …
Published in Journal of Polymer & Composites · Vol. 8, Issue 3, 2020 · pp. 10–23 Read article
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Effect of Curing Time on Physico-mechanical Properties on Dental Composite
Abstract: This study aim to investigate the influence of curing time on physical and mechanical properties of a dental composite cured by using LED light with intensity of 1500 mW/cm2 in the range of 440-480 nm. We prepared the glass ionomer powder by fusion of various inorganic components at high temperature and studied the influence of silica/alumina ratio keeping other inorganic salts such as Calcium fluoride (CaF2), Sodium Fluoride (NaF), Calcium …
Published in Journal of Polymer & Composites · Vol. 10, Issue 3, 2022 · pp. 36–47 Read article
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Effect of Length and Tenor of the Introduction of Sansevieria cylindrica Fibers on the Mechanical Performance of Natural Fiber Composites
Abstract: The substitution of synthetic fillers, such as carbon black, with biobased ones in natural rubber (NR) is a trend of interest in view of increased sustainability and exploitation of agroforest waste in the materials sector. In this work, NR was filled with short fibers extracted from Sansevieria cylindrica (SC) leaves of various length (10, 20, 30, or 40 mm) and in different amounts (3, 6, or 10 g per 100 …
Published in Journal of Polymer & Composites · Vol. 11, Issue 2, 2023 · pp. 94–101 Read article
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Microstructural, Mechanical and Strengthening Mechanisms of Al7075 Metal Matrix Composite with Al2O3 Nano Particle Processed Through Ultrasonic Cavitation Assisted Stir-casting
Abstract: In this investigation, we produced Al7075 matrix composites using a stir casting method enhanced by ultra-sonic cavitation, reinforcing them with nano-Al2O3 particles. The SEM microstructural analysis confirmed the presence of nano-Al2O3 particles in all the composites, showcasing their consistent particle size and reasonably even distribution within the matrix. Optical microscopic examinations revealed that the presence of nano-Al2O3 particles, along with the aggressive ultrasonic cavitation effect, resulted in grain refinement in …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 31–43 Read article
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Production and Characterization of Essential oil using the Solvent Extraction Method from Brassica nigra seeds
Abstract: The purpose of this study is the Production, Optimization and Characterization of oil from Brassica nigra seeds using the Solvent Extraction Method. The result shows no difference from the seed oil extract from the mustard plants which grows in other parts of the world. This is to create awareness to utilize the Brassica nigra seed locally grown, as a potential source of edible oil for health benefit, such as additives …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 5–20 Read article
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Productivity Improvement of CNC Machines Using Automatic Loading and Unloading System
Abstract: Industries are a major part of life since the industrial revolution, but industries of recent times are finding peculiar ways of being in the hard-fought competition. The new revolution must be the extensive usage of computer numerical control machines for high productivity with same quality, or sometimes, better. But these CNC machines also have few problems which have to be dealt with. One of the major problems is loading and …
Published in Journal of Production Research & Management · Vol. 7, Issue 2, 2017 · pp. 29–33 Read article
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To Study Effects on the Strength of Concrete after Partially Replacing Fine Aggregates by Waste Glass Bottle in M40 Concrete Mix
Abstract: AbstractConcrete is used as the dominant material in construction industries. As the population of globe increase rapidly, worlds faces the problem for habitation and waste by-product. As the waste is proportional to the population and there are restrictions of natural resources used in concrete, this construction industry needs some heed to use some other material so that they can be mixed in concrete to get the new product, the physical …
Published in Journal of Structural Engineering and Management · Vol. 5, Issue 1, 2018 · pp. 39–48 Read article
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Use of Alccofine for Better Performance in High Grade Concrete
Abstract: As India is developing country and demand for the high rise building and other construction industries are growing day by day, along with these demand for non renewable resources, concrete making materials are required. As there is demand for the materials used, there is scarcity too of the materials used. Also there are various supplementary waste in concrete like fly ash, silica fumes, etc. The main objective of our project …
Published in Journal of Structural Engineering and Management · Vol. 7, Issue 3, 2020 · pp. 5–8 Read article
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Effect of Varying Particle Size and Content of Barley Husk on the Physical, Mechanical and Diffusional Properties of Poly Vinyl Alcohol/Barley Husk Composite Films
Abstract: Poly vinyl alcohol (PVA)/natural barley husk (NBH) composite films were prepared using solution casting method. The influence of content (5, 10, 15, 20 and 25 wt%) and particle size (89, 152, 251, 354 and 599 µm) of NBH on the physical, mechanical and diffusional properties of composite films were evaluated. Tensile strength and elongation of the composite films decreased by 55.73 and 59.48% and young’s modulus increased by 76.46% with …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 3, 2017 · pp. 27–35 Read article
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Mechanical Behaviour of Conventional Concrete Using Fly Ash and Steel Fibre
Abstract: Concrete that area unit victimization with the waste materials, recycled materials etc. could be a revolutionary topic at this time of concrete business. This kind of concrete that resembles the traditional concrete, however the assembly or utilization of such concrete needs minimum quantity of energy and causes least hurt to atmosphere. This kind of concrete absorbs the waste product that is additionally useful for atmosphere aspects [1]. Some SCMs area …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 4, Issue 1, 2017 · pp. 18–23 Read article
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Design of a Stacked Aperture Coupled Microstrip Antenna for UWB Applications
Abstract: The paper presents a stacked T-shaped Aperture coupled microstrip antenna designed for ultra-wide band wireless applications. The proposed UWB antenna covers two frequency bands as of 2.49 to 2.9 GHz and 6.85 to 20 GHz and used for the various applications like Bluetooth, Zig-Bee (2.4 GHz), C band (6 to 8 GHz), X band (8 to 12 GHz), Ku band (12 to 18 GHz) and Satellite communication. The stacked antenna …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 1, 2017 · pp. 12–16 Read article
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Floodplain Inundation Modeling and Mapping for Geray River: Nile Basin, Ethiopia
Abstract: Flood is among the most devastating natural hazards in the world claiming lives and properties more than any other natural phenomena. During high flow, the Geray River flooded the vicinity of the area and causes loss of cultivated land and life. The objective of this study describes the flood extent and depth in the Geray River for different flow conditions. This research involves the integration of HEC-HMS, HEC-RAS, and GIS …
Published in Journal of Water Resource Engineering and Management · Vol. 6, Issue 3, 2019 · pp. 25–45 Read article
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The climate change analysis on water resources over western Ghat by deficit calculation method
Abstract: The objective of this work is to study the extreme hydrological events and climate change impact on water resources over western Ghat. The western ghat is spread over the area 140 thousand square kilometers and 2600 meter of average elevation. The 1600 Km long western ghat is biodiversity hotspot and home of different species it also forms the catchment which drains over one-third of India. To analyze the extreme hydrological …
Published in Journal of Water Resource Engineering and Management · Vol. 7, Issue 1, 2020 · pp. 16–35 Read article
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Rejuvenation and Beautification of River and Nala
Abstract: Nowadays almost all water bodies in India are getting more and more polluted and facing with three major problems which are likely to be Untreated Sewage, Solid waste and abetting encroachment or slums areas along the bank of River, nala or any water body. Due to population development, outdated storm water drainage systems, climate change, and poor management of utility infrastructures, significant damage has recently been done to urban areas, …
Published in Journal of Water Resource Engineering and Management · Vol. 9, Issue 2, 2022 · pp. 1–12 Read article
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Seismic Performance of RC Building Using Precast Large Panel Walls
Abstract: To fulfill home dream of every citizen, Government of India has announced the mission “Housing for all by 2022”. Vertical development in the form of high-rise building has become crucial part of today’s urban cities of India with increase in population due to migration from surrounding rural areas in search of education and job. High-rise with precast technology is one of the staircases to reach the task of housing for …
Published in Recent Trends in Civil Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 29–39 Read article
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Durability Study of Lightweight Aggregate Concrete using Pumice Aggregate as Replacement of Coarse Aggregate
Abstract: Lightweight concrete has less dead load as compared to the normal concrete. Most of the buildings are made in India using light weight aggregate/materials. In this experimental work, we need to focus on the light weight concrete using pumice aggregate and assessment of the result of compressive strength and reduction in dead load of the concrete. Four concrete mixes of M1, M2, M3 and M4 were prepared with the different …
Published in Recent Trends in Civil Engineering & Technology · Vol. 7, Issue 2, 2017 · pp. 1–4 Read article
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Pond Ash: A Sustainable Building Material for Smart Cities
Abstract: Energy is the backbone of modern civilization of our country and thermal power plant is a major source of energy, in the form of electricity. Fly ash and pond ash are two by products of thermal power plant being produced at an alarming rate. Efforts are required to safely dispose it and if possible find better ways of utilizing it. Fly ash possesses pozzolanic character and it is being utilized …
Published in Recent Trends in Civil Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 53–59 Read article