Results 21 to 30 of about 17,692 (256)
Temperature reduction during brucite-based magnesia cement production [PDF]
Инженерно-строительный журнал, 2013 The article considers the problem of reducing the energy consumption during the production process of magnesia cement based on brucite admixed with serpentine, because this solid requires roasting at high temperatures (1100–1200°C).
B.Y. Trofimov +4 more
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Plants, 2021 The taxonomy of Argophyllum (Argophyllaceae) in New Caledonia is reviewed here. All names validly published in Argophyllum in this archipelago are discussed and lectotypified when necessary.
Yohan Pillon, Vanessa Hequet
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Study on Process Mineralogy of a Copper-Nickel Polymetallic Sulfide Ore
Kuangchan zonghe liyong, 2022 In this study, the process mineralogy of a copper-nickel polymetallic sulfide ore was studied. Results show that the main useful minerals in the ore are nickel-pyrite and chalcopyrite.
Weijun Tan, Zeping Feng
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PLoS ONE, 2012 Polyploidization is one of the leading forces in the evolution of land plants, providing opportunities for instant speciation and rapid gain of evolutionary novelties.
Filip Kolář +6 more
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Multi-Objective Optimization of Different Channel Shapes in Heat Exchangers [PDF]
Journal of Chemical and Petroleum Engineering, 2021 The effect of geometric parameters of the zigzag, rectangular, and serpentine channels on convective heat transfer coefficient and pressure drop was investigated using computational fluid dynamics (CFD). In all channels, the same boundary conditions were
Saeid Salimi, Reza Beigzadeh
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Giant serpentine aneurysms [PDF]
Neurosurgical Focus, 2009 Segal and McLaurin first described giant serpentine aneurysms, based on their distinct angiographic features, in 1977. These lesions are ≥ 25 mm, partially thrombosed aneurysms with a patent, serpiginous vascular channel that courses through the aneurysm.
Lana D, Christiano +3 more
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Flowering time evolution is independent of serpentine tolerance in the California flora
Ecosphere, 2017 Comparative phylogenetic tests have been only recently applied to the many hypotheses about the role ultramafic (serpentine) soils play in the evolution and ecology of regional floras.
Adam Schneider
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Diagenesis of the Sedimentary Fe–Ni Deposits of Euboea: Evidence Based on Phyllosilicate Mineralogy
Materials Proceedings, 2021 A set of samples with different textures from the sedimentary Fe–Ni deposits of Central Euboea, Greece, were studied with XRD and SEM-EDS to investigate the relationships between phyllosilicates present.
Spyros Cheliotis-Chatzidimitriou +2 more
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Giant serpentine aneurysm [PDF]
BMJ Case Reports, 2016 A 34-year-old man with a history of seizures presented after a generalised seizure. An MRI of the brain and MR angiogram of the brain (figure 1) were performed, demonstrating a partially thrombosed, giant intracranial aneurysm involving the left anterior cerebral artery (ACA).
Ramesh, Grandhi +3 more
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Kuangchan zonghe liyongThis is an article in the field of mineral processing engineering. For the flotation of sulfide ores whose gangue mineral is serpentine, serpentine can deteriorate the flotation of sulfide ores due to its easy mudification.
Dongdong YAO +5 more
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