Results 121 to 130 of about 81,881 (324)
An Environment-Friendly Process Featuring Calcified Roasting and Precipitation Purification to Prepare Vanadium Pentoxide from the Converter Vanadium Slag [PDF]
, 2018 Juhua Zhang, Zhang We, Zhengliang Xue
openalex +1 more source
Effects of Radio Frequency Pretreatment on Quality of Tree Peony Seed Oils: Process Optimization and Comparison with Microwave and Roasting [PDF]
, 2021 Zhi Wang +5 more
openalex +1 more source
Rare Metals, EarlyView.ABSTRACT Chlorination roasting has emerged as a promising pyrometallurgical strategy for the selective recovery of lithium from spent lithium‐ion batteries (LIBs). In this study, a natural roasting agent, seawater‐derived chlorides, was employed to selectively extract lithium from spent LiNi0.5Co0.2Mn0.3O2 (NCM523) cathode. MgCl2·6H2O, a main component
Bei‐Lei Zhang +7 more
wiley +1 more source
Bullion production in imperial China and its significance for sulphide ore smelting world-wide [PDF]
, 2015 Gold and silver production was of major importance for almost all ancient societies but has been rarely studied archaeologically. Here we present a reconstruction of a previously undocumented technology used to recover gold, silver and lead at the site ...
Chen, J +6 more
core
Sustainable Development, EarlyView.ABSTRACT Female empowerment and its use in development contexts has histories in coloniality. Gender programs typically imply an individualistic, depoliticized concept. This article examines whether such initiatives can be supportive for empowerment. We apply an embedded qualitative case study of Bean Voyage's program to support female coffee producers
Annelie M. Gütte +3 more
wiley +1 more source
The Hidden Costs of Coffee Production in the Eastern African Value Chains
Sustainable Development, EarlyView.ABSTRACT There is increasing recognition that significant hidden costs associated with agrifood systems are not reflected in market prices. Coffee is among the three most traded agricultural commodities in the world and supports the livelihoods of more than 30 million smallholder households.
Annet Adong +3 more
wiley +1 more source
Production of Ultrafine, High-purity Ceramic Powders Using the US Bureau of Mines Developed Turbomill [PDF]
, 1993 Turbomilling, an innovative grinding technology developed by the U.S. Bureau of Mines in the early 1960's for delaminating filler-grade kaolinitic clays, has been expanded into the areas of particle size reduction, material mixing, and process reaction ...
Hoyer, Jesse L.
core +1 more source
Phase and Morphology Transformations in Sulfur-Fixing and Reduction Roasting of Antimony Sulfide [PDF]
, 2019 Zhen Ouyang +3 more
openalex +1 more source