Results 101 to 110 of about 76,179 (307)
Perovskite-group minerals from the Rio Apa and Amambay regions, NE Paraguay
Geologia USP. Série Científica, 2015 Perovskite-group minerals of alkaline-carbonatitic rocks from the Rio Apa and Amambay regions in Eastern Paraguay are members of the perovskite-lueshite-loparite-latrappite solid-solution series.
Celso de Barros Gomes +1 more
doaj +1 more source
Alkaline and Ultra-Alkaline Rocks, Carbonatites, and Kimberlites
, 2013 The petrology and origin of some rare rock types that have high to very high alkalis, including kimberlites to phonolites, are discussed in this chapter. Carbonatites are also included here because they are commonly associated with alkaline igneous rocks.
openaire +1 more source
Marine silicon for biomedical sustainability
BMEMat, EarlyView.Schematic illustrating marine silicon for biomedical engineering. Abstract Despite momentous divergence from oceanic origin, human beings and marine organisms exhibit elemental homology through silicon utilization. Notably, silicon serves as a critical constituent in multiple biomedical processes.
Yahui Han +3 more
wiley +1 more source
Petroleum Exploration and Development, 2018 Alkaline-lacustrine deposition and its evolution model in Permian Fengcheng Formation at the Mahu sag, Junggar Basin were investigated through core and thin-section observation, geochemical and elemental analysis, logging response and lithofacies ...
Zhijie ZHANG +7 more
doaj +1 more source
Minerals in Afghanistan : the potential for copper [PDF]
, 2006 There are around 300 documented copper deposits, occurrences and showings in Afghanistan as shown in Figure 1. A variety of styles of copper mineralisation occur in rocks ranging in age from Proterozoic to Neogene.
Benham, Antony John, Coats, Stan
core
Alkali release from aggregates in long-service concrete structures. Laboratory test evaluation and ASR prediction [PDF]
, 2018 Il lavoro propone un semplice modello per la previsione dello sviluppo di espansione deleteria da reazione alcali-silice (ASR) in strutture di calcestruzzo progettate per lunga vita di servizio.
Mangialardi, Teresa +2 more
core +1 more source
Battery Energy, Volume 4, Issue 2, March 2025.Three biobased membranes are synthesized by crosslinking oxidized Kraft lignin with poly(ethylene glycol) diglycidyl ether of increasing molecular weights. After incorporation of solvated potassium salts, potassium batteries including these biobased gel polymer electrolytes are able to deliver a maximum specific capacity at 0.05 A g−1 as high as 130 ...
Giuseppe Pascuzzi +5 more
wiley +1 more source
Вестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о ЗемлеNew and previously published isotope-geochemical material on the Upper Cretaceous-Lower Paleogene volcanic complexes of the Ozernovsky-Valaginsky segment of the Achaivayam-Valaginsky paleoarc are presented. It is found that composition of rocks composing
N.V. Tsukanov +2 more
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Functionalizing Conductive Diamond: Recent Advance in Fabrication, Modifications, and Applications
Carbon Energy, EarlyView.This review highlights recent advancements in the synthesis, modification, and electrochemical applications of conductive diamond, particularly boron‐doped diamond (BDD). It emphasizes progress in fabrication methods, including CVD and HPHT, and explores modifications such as doping, surface terminations, and composite design, enabling significant ...
Ning Linghu, Xin Jiang, Jing Xu
wiley +1 more source
Fractal and FractionalThis article presents the results of fractal texture analyses of selected minerals (aegirine, eudialyte, orthoclase) in the northwestern part of the Lovozero intrusion.
Miłosz Huber +2 more
doaj +1 more source