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The Influence of Alkali Metals on the Sintering Mineralization Process of Iron Ore.
Materials (Basel)
January 2025
School of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.
To investigate the influence of alkali metal compounds in different forms on the sintering mineralization process of iron ore, the basic sintering characteristics of iron ore with alkali metal contents ranging from 0 to 4% were measured using the micro-sintering method, and the influence mechanism was analyzed using thermodynamic analysis and first-principles calculations. The results showed that (1) the addition of KCl/NaCl increased the lowest assimilation temperature (LAT) and the index of liquid-phase fluidity (ILF), while that of KCO/NaCO decreased the LAT but increased the ILF of iron ore. (2) The pores formed by the volatilization of KCl/NaCl suppressed the diffusion of Fe and Ca, which inhibited the formation of silico-ferrite of calcium and aluminum (SFCA).
View Article and Find Full Text PDFDiverse and highly differentiated lava suite in Jezero crater, Mars: Constraints on intracrustal magmatism revealed by Mars 2020 PIXL.
Sci Adv
January 2025
School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287, USA.
The Jezero crater floor features a suite of related, iron-rich lavas that were examined and sampled by the Mars 2020 rover Perseverance, and whose textures, minerals, and compositions were characterized by the Planetary Instrument for X-ray Lithochemistry (PIXL). This suite, known as the Máaz formation (fm), includes dark-toned basaltic/trachy-basaltic rocks with intergrown pyroxene, plagioclase feldspar, and altered olivine and overlying trachy-andesitic lava with reversely zoned plagioclase phenocrysts in a K-rich groundmass. Feldspar thermal disequilibrium textures indicate that they were carried from their crustal staging area.
View Article and Find Full Text PDFTranscriptomic Analysis Reveals Molecular Mechanisms Underpinning Mycovirus-Mediated Hypervirulence in Infecting .
J Fungi (Basel)
January 2025
Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW 2753, Australia.
Mycoviral infection can either be asymptomatic or have marked effects on fungal hosts, influencing them either positively or negatively. To fully understand the effects of mycovirus infection on the fungal host, transcriptomic profiling of four isolates, including EABb 92/11-Dm that harbors mycoviruses, was performed 48 h following infection of via topical application or injection. Genes that participate in carbohydrate assimilation and transportation, and those essential for fungal survival and oxidative stress tolerance, calcium uptake, and iron uptake, were found to be overexpressed in the virus-infected isolate during the mid-infection stage.
View Article and Find Full Text PDFIntegrating machine learning with advanced processing and characterization for polycrystalline materials: a methodology review and application to iron-based superconductors.
Sci Technol Adv Mater
December 2024
JST-CREST, Saitama, Japan.
In this review, we present a new set of machine learning-based materials research methodologies for polycrystalline materials developed through the Core Research for Evolutionary Science and Technology project of the Japan Science and Technology Agency. We focus on the constituents of polycrystalline materials (i.e.
View Article and Find Full Text PDFDihydroporphyrin iron (III) enhances low temperature tolerance by increasing carbon and nitrogen metabolism in .
Front Plant Sci
January 2025
National Center for Traditional Chinese Medicine (TCM) Inheritance and Innovation, Guangxi Botanical Garden of Medicinal Plants, Nanning, China.
Dihydroporphyrin iron (DH-Fe) is a novel plant growth regulator that plays significant roles in plant stress resistance. We found that is extremely sensitive to low temperature (LT) with a threshold of 25°C. To evaluate whether and how DH-Fe alleviates LT stress in , different DH-Fe concentrations (0, 10, 20, and 40 μg·L) were applied to estimate its effects on C and N metabolism and antioxidative capacity in grown under 20°C.
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