Search Results - "Rose, Timothy P"

Optical spectroscopy and modeling of uranium gas-phase oxidation: Progress and perspectives by Kautz, Elizabeth J., Weerakkody, Emily N., Finko, Mikhail S., Curreli, Davide, Koroglu, Batikan, Rose, Timothy P., Weisz, David G., Crowhurst, Jonathan C., Radousky, Harry B., DeMagistris, Michael, Sinha, Neeraj, Levin, Deborah A., Dreizin, Ed L., Phillips, Mark C., Glumac, Nick G., Harilal, Sivanandan S.

“…[Display omitted] •Review of the state-of-the-art of U spectrochemistry in understanding gas-phase oxidation and molecular formation.•Emission, absorption and…”
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Stochastic optimization of a uranium oxide reaction mechanism using plasma flow reactor measurements by Finko, Mikhail, Koroglu, Batikan, Rodriguez, Kate E., Rose, Timothy P., Crowhurst, Jonathan C., Curreli, Davide, Radousky, Harry B., Knight, Kim B.

“…In this work, a coupled Monte Carlo Genetic Algorithm (MCGA) approach is used to optimize a gas phase uranium oxide reaction mechanism based on plasma flow…”
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Effects of Plume Hydrodynamics and Oxidation on the Composition of a Condensing Laser-Induced Plasma by Weisz, David G, Crowhurst, Jonathan C, Finko, Mikhail S, Rose, Timothy P, Koroglu, Batikan, Trappitsch, Reto, Radousky, Harry B, Siekhaus, Wigbert J, Armstrong, Michael R, Isselhardt, Brett H, Azer, Magdi, Curreli, Davide

“…High-temperature chemistry in laser ablation plumes leads to vapor-phase speciation, which can induce chemical fractionation during condensation. Using…”
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Experimental Investigation of Uranium Volatility during Vapor Condensation by Koroglu, Batikan, Dai, Zurong, Finko, Mikhail, Armstrong, Michael R, Crowhurst, Jonathan C, Curreli, Davide, Weisz, David G, Radousky, Harry B, Knight, Kim B, Rose, Timothy P

“…The predictive models that describe the fate and transport of radioactive materials in the atmosphere following a nuclear incident (explosion or reactor…”
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Gas Phase Chemical Evolution of Uranium, Aluminum, and Iron Oxides by Koroglu, Batikan, Wagnon, Scott, Dai, Zurong, Crowhurst, Jonathan C., Armstrong, Michael R., Weisz, David, Mehl, Marco, Zaug, Joseph M., Radousky, Harry B., Rose, Timothy P.

“…We use a recently developed plasma-flow reactor to experimentally investigate the formation of oxide nanoparticles from gas phase metal atoms during oxidation,…”
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Lumsdenite, NaCa3Mg2(As3+V4+2V5+10As5+6O51)·45H2O, a new polyoxometalate mineral from the Packrat Mine, Mesa County, Colorado, USA by Kampf, Anthony R, Hughes, John M, Nash, Barbara P, Marty, Joe, Rose, Timothy P

“…Lumsdenite (IMA 2018-092), ideally NaCa3Mg2(As3+V4+2V5+10As5+6O51)·45H2O, is a rare new polyoxometalate mineral from the Packrat mine, Gateway district, Mesa…”
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Hydropascoite, Ca3(V10O28)·24H2O, a new decavanadate mineral from the Packrat Mine, Mesa County, Colorado by Kampf, Anthony R, Nash, Barbara P, Marty, Joe, Hughes, John M, Rose, Timothy P

“…Hydropascoite, Ca3(V10O28)·24H2O, is a new mineral species (IMA2016-032) discovered in the Packrat mine, near Gateway, Mesa County, Colorado. It occurs as…”
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Formation of 238U16O and 238U18O observed by time-resolved emission spectroscopy subsequent to laser ablation by Weisz, David G., Crowhurst, Jonathan C., Siekhaus, Wigbert J., Rose, Timothy P., Koroglu, Batikan, Radousky, Harry B., Zaug, Joseph M., Armstrong, Michael R., Isselhardt, Brett H., Savina, Michael R., Azer, Magdi, Finko, Mikhail S., Curreli, Davide

“…We have measured vibronic emission spectra of an oxide of uranium formed after laser ablation of the metal in gaseous oxygen. Specifically, we have measured…”
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Biogenic nitrogen from termite mounds and the origin of gerhardtite at the Great Australia Mine, Cloncurry, Queensland, Australia by Melchiorre, Erik B, Williams, Peter A, Rose, Timothy P, Talyn, Becky C

“…The Great Australia deposit, near Cloncurry, hosts an unusual erichment in the copper nitrate mineral, gerhardtite. Nitrogen isotope analyses suggest that…”
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Isotope hydrology of voluminous cold springs in fractured rock from an active volcanic region, northeastern California by Rose, Timothy P., Lee Davisson, M., Criss, Robert E.

“…The more than 1550 km2 (600 mi2) Hat Creek Basin in northeastern California is host to several first magnitude cold springs that emanate from Quaternary…”
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Oxygen and carbon isotope study of natural and synthetic azurite by Melchiorre, Erik B, Criss, Robert E, Rose, Timothy P

“…Slow precipitation experiments were used to determine the oxygen isotope fractionation between azurite(CO3) and water. This T-dependent fractionation is 1000…”
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Radiocarbon in Hydrologic Systems Containing Dissolved Magmatic Carbon Dioxide by Rose, Timothy P., Davisson, M. Lee

“…In regions of active volcanism, the presence of magmatic carbon dioxide (CO$_2$) in regional hydrologic systems provides a radiocarbon-depleted tracer for…”
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Oxygen and carbon isotope study of natural and synthetic malachite by Melchiorre, Erik B, Criss, Robert E, Rose, Timothy P

“…Malachite, a common secondary mineral in the zone of oxidation, has recently become a major source of Cu due to the development of solution…”
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Influence of Temperature History and Flow Mixing on the Vapor-Phase Speciation of Uranium Oxide Nanoparticles by Rodriguez, Kate, Weerakkody, Emily N., Dai, Zurong, Knight, Kimberly B., Koroglu, Batikan, Rose, Timothy P., Balboni, Enrica

“…The transport of radioactive material following a nuclear event depends heavily on fallout characteristics (e.g., composition, shape, and size), which in turn…”
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HydropascoitE, Ca 3 (V 10 O 28 )·24H 2 O, A New Decavanadate Mineral From the Packrat Mine, Mesa County, Colorado by Kampf, Anthony R., Nash, Barbara P., Marty, Joe, Hughes, John M., Rose, Timothy P.

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Formation of 238U16O and 238U18O observed by time-resolved emission spectroscopy subsequent to laser ablation by Weisz, David G., Crowhurst, Jonathan C., Siekhaus, Wigbert J., Rose, Timothy P., Koroglu, Batikan, Radousky, Harry B., Zaug, Joseph M., Armstrong, Michael R., Isselhardt, Brett H., Savina, Michael R., Azer, Magdi, Finko, Mikhail S., Curreli, Davide

“…Here, we have measured vibronic emission spectra of an oxide of uranium formed after laser ablation of the metal in gaseous oxygen. Specifically, we have…”
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Infrared spectroscopy of natural, synthetic, and oxygen-18-substituted .alpha.-tridymite: structural implications by Hofmeister, Anne M, Rose, Timothy P, Hoering, Thomas C, Kushiro, Ikuo

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