Search Results - "Wayne, David M."

Feasibility of generating a useful laser-induced breakdown spectroscopy plasma on rocks at high pressure: preliminary study for a Venus mission by Arp, Zane A, Cremers, David A, Harris, Ronny D, Oschwald, David M, Parker, Gary R, Wayne, David M

“…Laser-induced breakdown spectroscopy (LIBS) is being developed for future use on landers and rovers to Mars. The method also has potential for use on probes to…”
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Analysis of Water Ice and Water Ice/Soil Mixtures Using Laser-Induced Breakdown Spectroscopy: Application to Mars Polar Exploration by Arp, Zane A., Cremers, David A., Wiens, Roger C., Wayne, David M., Sallé, Béatrice, Maurice, Sylvestre

“…Recently, laser-induced breakdown spectroscopy (LIBS) has been developed for the elemental analysis of geological samples for application to space exploration…”
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Surface area and particle size distribution of plutonium oxides derived from the direct oxidation of Pu metal by Wayne, David M., Peppers, Larry G., Schwartz, Daniel S., DeBurgomaster, Paul C.

“…The intent of this paper is to interrogate the physical characteristics of PuO2 powders and aggregates produced by direct metal oxidation to examine possible…”
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X‐ray diffraction, differential scanning calorimetry and evolved gas analysis of aged plutonium tetrafluoride (PuF4) by Wayne, David M., Stritzinger, Jared T., Casella, Amanda J., Sweet, Lucas E., Corbey, Jordan F., Garcia, Daniel J., Wylie, E. Miller, Tandon, Lav, Olson, Angela C., Rim, Jung Ho

“…A 30 year-old PuF 4 sample consisting of brown powder (PuF 4 -b) and pink granules (PuF 4 -p) was analyzed. X-ray diffraction shows the bulk is comprised of…”
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Direct major- and trace-element analyses of rock varnish by high resolution laser ablation inductively-coupled plasma mass spectrometry (LA-ICPMS) by Wayne, David M., Diaz, Tammy A., Fairhurst, Robert J., Orndorff, Richard L., Pete, Douglas V.

“…Laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) was used to determine major and trace element concentrations in rock varnish samples…”
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Probing thermodynamics of radiogenic helium and defects in δ-plutonium alloys and interactions with adsorbed environmental gases by Wayne, David M., Hernandez, Sarah C., Abdul-Jabbar, Najeb M., Freibert, Franz J.

“…Differential scanning calorimetry coupled with simultaneous evolved gas analysis (DSC-EGA) on aged δ-Pu samples shows that most radiogenic helium remains…”
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Glow Discharge Source Interfacing to Mass Analyzers:  Theoretical and Practical Considerations by Hang, Wei, Yan, Xiaomei, Wayne, David M, Olivares, Jose A, Harrison, W. W, Majidi, Vahid

“…The fundamental requirements for the optimum mechanical interface between a glow discharge ion source and a mass spectrometer are described in this paper…”
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Mercury contamination in the Carson River, Nevada : A preliminary study of the impact of mining wastes by WAYNE, D. M, WARWICK, J. J, LECHLER, P. J, GILL, G. A, BERRY LYONS, W

“…Water and sediment samples were taken from the Carson river and the Lahontan reservoir catchments and analysed for gold, mercury and silver by atomic…”
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Changes in sleep breathing patterns by Wayne, David M.

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Physical and chemical response of zircons to deformation by WAYNE, D. M, SINHA, A. K

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Differential response of zircon U-Pb isotopic systematics to metamorphism across a lithologic boundary. an example from the Hope Valley Shear Zone, southeastern Massachusetts, USA by WAYNE, David M, SINHA, A. Krishna, HEWITT, David A

“…A study of zircons from the late Precambrian Ponaganset gneiss in Southeast Massachusetts revealed that late Paleozoic, amphibolite-grade mylonitization of…”
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Stability of Zircon U-Pb Systematics in a Greenschist-Grade Mylonite: An Example from the Rockfish Valley Fault Zone, Central Virginia, USA by Wayne, David M., Sinha, A. Krishna

“…The mid-Paleozoic, greenschist-grade Rockfish Valley Fault Zone (RVFZ) of central Virginia cuts the Grenville-aged Pedlar River Charnockite Suite (PRCS) and…”
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The thermal ionization cavity (TIC) source: elucidation of possible mechanisms for enhanced ionization efficiency by Wayne, David M., Hang, Wei, McDaniel, Diane K., Fields, Robert E., Rios, Eddie, Majidi, Vahid

“…We discuss the ionization efficiency performance of a thermal ionization cavity source which has been adapted for use in an orthogonal acceleration linear…”
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Rb-Sr redistribution during amphibolite-grade mylonitization: An example from the Hope Valley Shear Zone, Massachusetts, U.S.A by Wayne, David M.

“…The Sr and Pb isotopic systematics of minerals and whole rock slabs cut from three large samples of the Ponaganset Gneiss near the Hope Valley Shear Zone…”
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Characterization of a Pulsed Glow Discharge Laser Ablation System Using Optical Emission by Lewis, Cris, Doorn, Stephen K., Wayne, David M., King, Fred L., Majidi, Vahid

“…Investigations involving laser-based sampling of copper into an auxiliary pulsed glow discharge for ionization and excitation are presented. The interaction of…”
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A linear time-of-flight mass analyzer for thermal ionization cavity mass spectrometry by Wayne, David M., Hang, Wei, McDaniel, Diane K., Fields, Robert E., Rios, Eddie, Majidi, Vahid

“…In this paper we report the basic design characteristics, typical operating parameters, and isotope ratio performance of an orthogonal acceleration linear…”
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U-Pb and Rb-Sr isotopic systematics of fluids associated with mineralization of the Dartmoor granite, southwest England by Wayne, David M., Miller, Martin F., Scrivener, Richard C., Banks, David A.

“…Quartz veins from early hydrothermal mineralization within the 280 Ma Dartmoor granite contain abundant fluid inclusions, which were sampled using crush-leach…”
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Characterization of Tantalum Films on Analytical Surfaces: Insights into Sputtering of Nonconductors in a Direct-Current Glow Discharge Using Secondary Cathodes by Wayne, David M., Schulze, Roland K., Maggiore, Carl, Cooke, D. Wayne, Havrilla, George

“…We performed glow discharge mass spectrometry (GDMS) analyses on several nonconducting ceramic materials: a glass microscope slide, Nd-doped yttrium aluminum…”
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Newsletter for alcoholics; a program of continued treatment and social service follow-up of alcoholic patients discharged in a rural area by WAYNE, D M, PHILLIPS, E R

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A study of military prisoners at a disciplinary barracks suspected of homosexual activities by WAYNE, D M, ADAMS, M, ROWE, L A

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