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2000 articles for “CO” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Studies on corrosion mechanisms of steel wire ropes
Abstract: Degeneration of lubrication by seepage of water to core of ropes produces corrosion to change relevant properties. Corrosion of wire ropes in suspender of cross-sea bridges has induced from sulfur dioxide present in environment. Stress corrosion accident of steel wire in coalmine has studied by stress corrosion behaviors of high strength steel wires in mine trickling water. Keywords Steel, Rope, Corrosion, Fracture, Mine water, Tensile test, Stress corrosion crack
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 28–35 Read article
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Synthesis, characterization of Schiff base and its pH metrically studies of transition metal complexes of N'-(3, 4-dihydroxybenzylidene) isonicotinohydrazide.
Abstract: Schiff reaction is one of the versatile reaction widely used in organic synthesis focused on the discovery & development of isoniazide Schiff base derivative N’(3,4-Dihydroxy benzylidene isonicotinohydrazide) have been reported in presence of 0.01g molecular iodine catalyst stirring give fast product & good yield. The synthesized compound is characterized by FTIR & H-NMR analysis. For the development of coordination chemistry Schiff base & metal ion having played most important role, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 39–47 Read article
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Review Paper on Mannich Bases for Heterocyclic Compound Synthesis
Abstract: Mannich bases are the Lewis bases which are β-amino carbonyl compounds synthesized as the endproducts of well known condensation reaction known as Mannich reaction. These are theaminoalkylation reactions involving the formation of carbon-carbon, carbon-Nitrogen, carbonsulphurbonds. Mannich bases of 2-furylmethylketone, catechol, 4-chlorophenol, derivative ofberberine, lawsone, anisaldehyde, benzaldehyde show diversity of biological activities. Mannichreaction is a carbon-carbon bond forming nucleophilic addition reaction and is a key step in synthesisof a widespread variety …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 7, Issue 1, 2021 · pp. 39–50 Read article
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Quantitative Consequence Analysis of Selected Accident Scenarios at a Refuelling Station for Hydrogen Vehicles
Abstract: AbstractThe implementation of hydrogen economy and energy systems in any nation will require introduction of a large number of hydrogen refueling stations for hydrogen based automobiles. These will be expected to store a significant inventory of hydrogen on site, either as a compressed gas with pressure of about 750 bar or as a cryogenic liquid at 20 K. Not only does the handling of compressed gases and cryogenic liquids present …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 5, Issue 2, 2019 · pp. 58–81 Read article
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An overview of current activities in commercial deployment of hydrogen energy projects around the world
Abstract: Hydrogen energy systems have been proposed as one of the major components of a decarbonized, clean and sustainable energy system of the future, which will also include renewables, nuclear energy and biomass energy forms. Hydrogen production, storage, distribution and re-conversion technologies are essential components of this value chain. This study looks at some commercial level technologies available and projects deployed round the world for ushering in hydrogen energy systems on …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 6, Issue 2, 2020 · pp. 16–25 Read article
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Correlation Between CBR Values and Index Properties of Soils
Abstract: Presently India’s infrastructure is growing rapidly. Large number of new urban and lightly trafficked roads are being constructed or planned. The California bearing ratio (CBR) is the well known, common and trustful test currently used in road construction. The CBR values are used by the engineers to design the thickness of pavement layer to be laid on the top of the sub-grade. Laboratory tests like consistency tests, standard proctor test …
Published in International Journal of Construction Engineering and Planning · Vol. 3, Issue 2, 2017 · pp. 18–21 Read article
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Implementation of Airport Construction Management
Abstract: In this article, Micro PAVER is used to analyze present condition of Neil Armstrong airport facilities. It also predicts the future condition and develop ways for pavement maintenance based on available funds and conditions. The airport infrastructure system is divided into several networks, branches, sections, sample units and the types, severity of distresses are identified for those units. Weather, traffic and maintenance are considered to develop prediction model for pavement …
Published in International Journal of Construction Engineering and Planning · Vol. 5, Issue 2, 2019 · pp. 64–75 Read article
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Optimization of Compressive Strength of Segmental Interlocking Stones
Abstract: The failure of most segmental interlocking stones used as pavement materials is traceable to lack of knowledge of the mix ratios that would optimize the compressive strength of the end products. In this study, the compressive strength was optimized based on Scheffe’s simplex lattice approach. The reliability of model developed was investigated using F-statistic and was found to be adequate. A computer program written in basic language was used to …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 4, Issue 2, 2018 · pp. 1–7 Read article
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A REVIEW ON THE VARIOUS TYPES OF SOIL CONTAMINATION WITH REMEDIATION
Abstract: The paper deals about the plethora of soil contamination by the industrial activities or accidental leakage. Several contaminations of soils have been included in the paper and suggested remediation methods for the remediation of contaminated soil is also discussed in the paper. Rise of population growth leads to large amount of demand, which affects the industrial growth. The re use of waste or any other surplus additives and bio-surfactants for …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 4, Issue 2, 2018 · pp. 30–37 Read article
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Composting of Municipal Solid Waste to Enhance the Fertility of Soil
Abstract: Composting has been used as a method of utilisation organic matter into the soil to boost soil structure and fertility. The composting method has received abundant attention in recent years due to pollution issues and also the seek for environmentally sound strategies for treating waste. Waste volumes still rise, that ends up in loss of resources and inflated environmental risks. Open selling and landfill could be a major technique for …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 6, Issue 2, 2020 · pp. 16–21 Read article
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Farming on Phone: Understanding Cotton Farmers’ Intentions and Feasibility to Adopt ICT-based Agro Advisory Services in Maharashtra, India
Abstract: The use of ICT tools in the agriculture sector for rural farmers has emerged as a potential for empowering farmers and improving their livelihoods as the phone-based agro-advisory services provide farmers with access to tailored relevant information to help them make better decisions about agricultural activities, crop yields, and better management of natural resources. However, understanding the impact of social structure on ICT adoption and perceived impacts is important to …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 8, Issue 2, 2022 · pp. 14–25 Read article
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Reviewing on the Performance of Masonry, Reinforced Concrete and Underground Tunnels against Blast Loading
Abstract: An explosion on the elevated structures caused by terrorist activities or manmade events can induce significant deformations in the Civil Engineering structures. Therefore, it is necessary to review the response of the structural systems such as masonry structures, reinforced concrete building structures and reinforced concrete tunnel. In order to understand the scope for protecting such a structures and the structural behaviour under blast loading, a detailed literature review is conducted. …
Published in International Journal of Structural Engineering and Analysis · Vol. 7, Issue 1, 2021 · pp. 31–42 Read article
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Effect of encroaching vehicles on capacity of signalized intersections in mixed traffic conditions
Abstract: This paper estimates capacity of signalized intersections in heterogeneous traffic conditions considering the effect of encroaching vehicles. Accurate estimation of capacity of signalized intersections plays vital role in evaluating performance of whole road network. In the present paper two sets of saturation flow values are estimated separately by considering and not considering the effect of encroaching vehicles. Also, the capacity of the signalized intersections is found considering the effect of …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 6, Issue 1, 2020 · pp. 1–8 Read article
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Fluctuation of the Viscoelastic Properties of Asphalt Concrete under Variable Strain Level
Abstract: The viscoelastic properties of asphalt pavement usually practices variable microstrain levels due to the mixed traffic loading throughout its service life. In the present assessment, asphalt concrete mixtures were prepared in the laboratory at optimum binder content, and compacted in a slab mold using the roller compaction. Beam specimens of 5.6 Cm depth, 6.2 Cm width, and 40 Cm length; have been extracted from the slab samples and subjected to …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 9, Issue 2, 2023 · pp. 8–16 Read article
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Autonomous Baja Buggy: A Comprehensive Approach to Design and Development
Abstract: This research project introduces a novel modular system aimed at transforming off-road Baja vehicle into autonomous entities while still maintaining the option for manual operation. The primary objective of this study involves the design and development of a Level 3 autonomous vehicle prototype, utilizing a Society of Automotive Engineers eBaja vehicle equipped with advanced actuators and exteroceptive sensors. The outcome of this project yielded a drive-by-wire system, enabling the Baja …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 9, Issue 1, 2023 · pp. 41–64 Read article
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Preliminary Studies on Chemical Characteristics Including Fluoride and Iron Concentration in Ground Waters of Telaiya, Koderma District, Jharkhand, India
Abstract: The problem of high concentration' of various chemical constituents in ground water resources has now become one of the most important health-related geo-environment issues in India. Considering above fact, a preliminary study as chemical characteristics of six groundwater and surface water samples were carried out to assess its suitability for drinking water with reference to Indian Standard Institute and World Health Organization standards and also evaluate the geo-chemical and geological …
Published in International Journal of Water Resources Engineering · Vol. 3, Issue 2, 2017 · pp. 47–52 Read article
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Hydrodynamic Modeling for contaminant spills Case study: Nile River - Upper Egypt
Abstract: Most watercourses are subjected to the threats of contaminant spills. The Nile River is the main drinking and irrigation water source for all Egyptian cities around its banks, especially in Upper Egypt. The southern reach receives considerable amounts of agricultural, industrial and municipal wastes at different sites along its mainstream. The goal of this research is to simulate contaminant spill in the studied part of the Nile River to determine …
Published in International Journal of Water Resources Engineering · Vol. 5, Issue 2, 2019 · pp. 1–16 Read article
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A Comparative Study on Gumbel and LP3 Probability Distributions for Estimation of Extreme Rainfall
Abstract: Estimation of extreme rainfall for a given return period has utmost importance for planning, design and management of hydraulic and other civil structures in a region. This can be achieved by Extreme Value Analysis (EVA) that involves fitting of probability distributions to the annual maximum series of rainfall. This paper details a study on EVA of hourly and daily rainfall for Santacruz and Colaba sites by adopting Gumbel and Log …
Published in International Journal of Water Resources Engineering · Vol. 6, Issue 1, 2020 · pp. 21–33 Read article
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Treatment of Dairy Wastewater Using Constructed Wetland
Abstract: Naturally existing wetlands have been used for dumping various types of wastewaters and have been promised to dispose of these wastewaters. As a matter of fact, in some areas, natural wetlands still serve this purpose solely and are nothing more than dumping sites. However, extensive research suggested the use of Wetlands for Treatment purposes. Understanding the dynamics of the processes in natural wetlands leads to the use of those processes …
Published in International Journal of Water Resources Engineering · Vol. 8, Issue 1, 2022 · pp. 55–66 Read article
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Distributed computing and agent technology
Abstract: The technology of intelligent agents and multi-agent systems has fundamentally transformed distributed computations and software development changing the way in which complex, distributed computing and communicating systems are conceptualized, designed, assembled and implemented. In this paper, we study distributed computations in the context of agent organizations and principal-agent relation making emphasis on the organizational structure of agent functioning and interaction. To achieve higher generality and at the same time, better …
Published in International Journal of Distributed Computing and Technology · Vol. 3, Issue 2, 2017 · pp. 30–40 Read article