Results 1 to 10 of about 5,350,487 (302)

Foreign Direct Investment And Poverty Reduction [PDF]

open access: yesComparative Economic Research, 2017
This paper provides a detailed survey of the literature on the impact of foreign direct investment (FDI) on poverty reduction, outlining the theoretical and empirical relationship between these variables.
Mercy T. Magombeyi, Nicholas M. Odhiambo
doaj   +6 more sources

State of the direct reduction and reduction smelting processes [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2002
For quite a long time efforts have been made to develop processes for producing iron i.e. steel without employing conventional procedures - from ore, coke, blast furnace, iron, electric arc furnace, converter to steel.
Markotić A., Dolić N., Trujić V.
doaj   +3 more sources

Direct Electrochemical Reduction of Indigo

open access: yesCHIMIA, 2001
Increasing ecoefficiency of textile wet processes has become an important topic in our research group. Reducing agents required for the application of vat and sulfur dyes cannot be recycled, and they lead to problematic waste products. Therefore,
Albert Roessler   +4 more
doaj   +2 more sources

Effectiveness of the Endplate Reduction Technique Combined With Bone Grafting for the Treatment of Thoracolumbar Fractures by Using Posterior Short-Segment Fixation [PDF]

open access: yesNeurospine, 2023
Objective This study aimed to examine the effect of the endplate reduction (EPR) technique combined with bone grafting for treating thoracolumbar burst fractures using posterior short-segmental fixation.
Jiguang Hou   +6 more
doaj   +1 more source

Modeling of partial reduction of hematite with carbon-monoxide in tunnel furnace [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2023
DRI production in tunnel furnaces sometimes encounters an incomplete degree of reduction. A model is required to tackle heterogeneous reaction rates, crucible heat transfer, and oxide morphology.
Salimibani S.   +2 more
doaj   +1 more source

An Economic Model to Assess Profitable Scenarios of EAF-Based Steelmaking Plants under Uncertain Conditions

open access: yesEnergies, 2021
The steelmaking processes are considered extremely energy-intensive and carbon-dependent processes. In 2018, it was estimated that the emissions from global steel production represented 7–9% of direct emissions generated by fossil fuels. It was estimated
Francesco Facchini   +3 more
doaj   +1 more source

Water Electrolysis for the Production of Hydrogen to Be Employed in the Ironmaking and Steelmaking Industry

open access: yesMetals, 2021
The way to decarbonization will be characterized by the huge production of hydrogen through sustainable routes. Thus, the basic production way is water electrolysis sustained by renewable energy sources allowing for obtaining “green hydrogen”.
Pasquale Daniele Cavaliere   +2 more
doaj   +1 more source

Lead Recovery from a Lead Concentrate throughout Direct Smelting Reduction Process with Mixtures of Na2CO3 and SiC to 1000 °C

open access: yesMetals, 2021
Lead was recovered through a direct smelting reduction route from a lead concentrate by using mixtures of Na2CO3 and SiC to 1000 °C. The lead concentrate was obtained from the mining State of Zacatecas, México by traditional mineral processing and froth ...
Víctor Hugo Gutiérrez Pérez   +5 more
doaj   +1 more source

Archaeometallurgy of ferrous artefacts of the Patriótica Iron Factory (XIX century, Ouro Preto, Brazil)

open access: yesREM: International Engineering Journal, 2021
The article reviews the metallurgical processes used in the first industrial ironworks operated in Brazil, the Patriótica Iron Factory, from 1812 to 1831. It discusses its impact on the ironmaking plants that spread in Minas Gerais's state during the XIX
Fernando José Gomes Landgraf   +7 more
doaj   +1 more source

Effect of Particle Sizes of Slag on Reduction Characteristics of Nickel Slag-Coal Composite Briquette [PDF]

open access: yesArchives of Metallurgy and Materials, 2020
Nickel slag has a high-content iron and is a secondary utilization resource with great development potential. The coal-based direct reduction is an innovative technology that can be used to utilize the iron resources in nickel slag.
Xiaoming Li   +5 more
doaj   +1 more source

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