نتایج جستجو برای: direct reduction

تعداد نتایج: 893873  

Journal: :ChemElectroChem 2023

Methanol is one of the most important chemical feedstocks, with an increase in global demand more than 20 million tonnes since 2017. The current production methanol primarily from fossil fuel derived synthetic gas (syngas), producing up to 2.97 CO2 per tonne methanol. direct electrochemical reduction reaction (eCO2RR), i. e. systems which reduced at cathode coupled oxygen evolution anode, attra...

Journal: :International Journal of Climatology 2021

This paper presents an analysis of the long-term (1982–2015) variability aerosol optical properties, as well and greenhouse gases (GHG) direct radiative forcing (RF) in central Europe on basis MERRA-2 reanalysis ground-based observation. Calculations longwave (LW) shortwave (SW) RF were made with use off-line Fu-Liou transfer model preceded by sensitivity study code's input parameters. Then, me...

Journal: :Journal of the Japan Institute of Metals and Materials 1976

Journal: :Metals 2022

Welding of precipitation-hardenable nickel-based super alloys that contain large amounts Al and Ti is challenging due to their high susceptibility hot cracking. For metal additive manufacturing (AM) by powder bed fusion (PBF) or direct deposition (DMD), various welding process adjustments may prevent the formation cracks. The aim this study development experimental characterization a laser preh...

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