Rare Earth-bearing particles in fly ash carbons: Examples from the combustion of eastern Kentucky coals by James C. Hower, John G. Groppo

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Recovery of Rare Earth Elements from Coal Fly Ash with Betainium Bis(trifluoromethylsulfonyl)imide: Different Ash Types and Broad Elemental Survey by Ting Liu, James C. Hower, Ching-Hua Huang

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Ultrafine Mineral Associations in Superhigh-Organic-Sulfur Kentucky Coals by James C. Hower, Debora Berti, Michael F. Hochella

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Migmatite-like textures in anthracite: Further evidence for low-grade metamorphic melting and resolidification in high-rank coals by James C. Hower, Susan M. Rimmer, Maria Mastalerz, Nicola J. Wagner

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Nanomineralogy of evaporative precipitation of efflorescent compounds from coal mine drainage by Luis F.O. Silva, Diana Pinto, Guilherme L. Dotto, James C. Hower

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Determination of Chemical Speciation of Arsenic and Selenium in High-As Coal Combustion Ash by X‑ray Photoelectron Spectroscopy: Examples from a Kentucky Stoker Ash by Biao Fu, James C. Hower, Shifeng Dai, Sarah M. Mardon, Guijian Liu

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Geochemical and mineralogical evaluations of coal, shale, and mine waste overburden from Makum coalfield of the Northeast India by Nilotpol Bhuyan, Nazrul Islam, Monikankana Saikia, James C. Hower, Binoy K. Saikia

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High-Resolution Transmission Electron Microscopy Study of a Powder River Basin Coal-Derived Fly Ash by James C. Hower, Debora Berti, Christopher R. Winkler, Dali Qian, Nicolas J. Briot

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Possibilities of using silicate rock powder: An overview by Claudete Gindri Ramos, James C. Hower, Erika Blanco, Marcos Leandro Silva Oliveira, Suzi Huff Theodoro

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Deposition of nanoparticles on school eyeglasses in urban and rural areas: A methodology for a more real assessment of the possible impacts by Ḱtia Martinello, James C. Hower, Guilherme L. Dotto, Claudete G. Ramos, Carlos E. Schnorr, Diana Pinto

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Coal Feed-Dependent Variation in Fly Ash Chemistry in a Single Pulverized-Combustion Unit by James C. Hower, John G. Groppo, Shelley D. Hopps, Tonya D. Morgan, Heileen Hsu-Kim, Ross K. Taggart

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Artisanal ceramic factories using wood combustion: A nanoparticles and human health study by Kátia Martinello, James C. Hower, Diana Pinto, Carlos E. Schnorr, Guilherme L. Dotto, Marcos Leandro Silva Oliveira, Claudete G. Ramos

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Volcanic emissions and atmospheric pollution: A study of nanoparticles by Erika M. Trejos, Luis F.O. Silva, James C. Hower, Eriko M.M. Flores, Carlos Mario González, Jorge E. Pachón, Beatriz H. Aristizábal

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Metal-enriched nanoparticles and black carbon: A perspective from the Brazil railway system air pollution by Bianca D. Lima, Elba C. Teixeira, James C. Hower, Matheus S. Civeira, Omar Ramírez, Cheng-Xue Yang, Marcos L.S. Oliveira, Luis F.O. Silva

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Petrology, Palynology, and Geochemistry of Gray Hawk Coal (Early Pennsylvanian, Langsettian) in Eastern Kentucky, USA by James C. Hower, Cortland F. Eble, Jennifer M. K. O'Keefe, Shifeng Dai, Peipei Wang, Panpan Xie, Jingjing Liu, Colin R. Ward, David French

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Geochemical, mineralogical, and petrological characteristics of the Cretaceous coal from the middle Benue Trough Basin, Nigeria: Implication for coal depositional environments by Segun A. Akinyemi, James C. Hower, Henry Y. Madukwe, Bemgba B. Nyakuma, Mohammed B. Nasirudeen, Timileyin A. Olanipekun, Rabelani Mudzielwana, Mugera W. Gitari, Luis F.O. Silva

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Metalliferous Coals of Cretaceous Age: A Review by Shifeng Dai, Sergey I. Arbuzov, Igor Yu. Chekryzhov, David French, Ian Feole, Bruce C. Folkedahl, Ian T. Graham, James C. Hower, Victor P. Nechaev, Nicola J. Wagner, Robert B. Finkelman

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