Search Results - "Abrecht, David G"

Thermodynamic modeling to facilitate safe handling of CsCl sealed sources by Weber, Charles F., Abrecht, David G.

“…Sealed radiation sources containing CsCl have a chemical instability created by decay of 137 Cs to 137 Ba that creates a strong reducing environment inside the…”
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The Uranium from Seawater Program at the Pacific Northwest National Laboratory: Overview of Marine Testing, Adsorbent Characterization, Adsorbent Durability, Adsorbent Toxicity, and Deployment Studies by Gill, Gary A, Kuo, Li-Jung, Janke, Chris J, Park, Jiyeon, Jeters, Robert T, Bonheyo, George T, Pan, Horng-Bin, Wai, Chien, Khangaonkar, Tarang, Bianucci, Laura, Wood, Jordana R, Warner, Marvin G, Peterson, Sonja, Abrecht, David G, Mayes, Richard T, Tsouris, Costas, Oyola, Yatsandra, Strivens, Jonathan E, Schlafer, Nicholas J, Addleman, R. Shane, Chouyyok, Wilaiwan, Das, Sadananda, Kim, Jungseung, Buesseler, Ken, Breier, Crystal, D’Alessandro, Evan

“…The Pacific Northwest National Laboratory (PNNL) is evaluating the performance of adsorption materials to extract uranium from natural seawater. Testing…”
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Linear Free Energy Correlations for Fission Product Release from the Fukushima-Daiichi Nuclear Accident by Abrecht, David G, Schwantes, Jon M

“…This paper extends the preliminary linear free energy correlations for radionuclide release performed by Schwantes et al., following the Fukushima-Daiichi…”
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Surface and pore structure modification of cellulose fibers through cellulase treatment by Park, Sunkyu, Venditti, Richard A., Abrecht, David G., Jameel, Hasan, Pawlak, Joel J., Lee, Jung M.

“…The surface and pore structure of cellulose fibers have a significant impact on the properties and performance in applications. Cellulase enzymatic hydrolysis…”
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A comparison of carbon impurities in pre- and post-melt uranium Part 1: Scanning electron microscopy analysis by Olszta, Matthew J., Corbey, Jordan F., Athon, Matthew T., Huber, Zachary F., Reilly, Dallas D., Abrecht, David G.

“…Although C impurities in U have been studied for decades, fundamental questions regarding their incorporation, migration, and transformations during metal…”
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Direct observations of Pd–Te compound formation within noble metal inclusions in spent nuclear fuel by Kessler, Sean H., Lach, Timothy G., Garrett, Kerry E., Conroy, Michele A., Abrecht, David G., Schwantes, Jon M., Clark, Richard A.

“…Although the existence of a five-metal (Mo-Tc-Ru-Rh-Pd) phase – as nanoparticles observed in irradiated nuclear fuel – has been known for more than half a…”
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Evaluation of the Thermodynamic Properties of H2 Binding in Solid State Dihydrogen Complexes [M(η2‑H2)(CO)dppe2][BArF24] (M = Mn, Tc, Re): An Experimental and First Principles Study by Abrecht, David G, Fultz, Brent

“…The solid state complex [Mn(CO)dppe2][BArF24] was synthesized, and the thermodynamic behavior and properties of the hydrogen absorption reaction to form the…”
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Real-time noise reduction for Mössbauer spectroscopy through online implementation of a modified Kalman filter by Abrecht, David G., Schwantes, Jon M., Kukkadapu, Ravi K., McDonald, Benjamin S., Eiden, Gregory C., Sweet, Lucas E.

“…Spectrum-processing software that incorporates a Gaussian smoothing kernel within the statistics of first-order Kalman filtration has been developed to provide…”
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Electron Ionization Mass Spectrum of Tellurium Hexafluoride by Clark, Richard A, McNamara, Bruce K, Barinaga, Charles J, Peterson, James M, Govind, Niranjan, Andersen, Amity, Abrecht, David G, Schwantes, Jon M, Ballou, Nathan E

“…The electron ionization mass spectrum of tellurium hexafluoride (TeF6) is reported for the first time. The starting material was produced by direct…”
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Spin-State Effects on the Thermal Dihydrogen Release from Solid-State [MH(η2‑H 2)dppe2]+ (M = Fe, Ru, Os) Organometallic Complexes for Hydrogen Storage Applications by Abrecht, David G, Muñoz, Jorge A, Smith, Hillary L, Fultz, Brent

“…Mössbauer spectroscopy, experimental thermodynamic measurements, and computational studies were performed to investigate the properties of molecular hydrogen…”
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Spherical Gaussians: An intuitive method for creating complex anisotropies in interface energies for the phase field method by Bair, Jacob L., Deshmukh, Nikhil S., Abrecht, David G.

“…The Phase Field Method requires continuous functions to control interface energies between phases. We have developed a method for phase field modeling where…”
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Evaluation of the Thermodynamic Properties of H 2 Binding in Solid State Dihydrogen Complexes [M(η 2 -H 2 )(CO)dppe 2 ][BArF 24 ] (M = Mn, Tc, Re): An Experimental and First Principles Study by Abrecht, David G., Fultz, Brent

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Computational studies of impurity migration during induction stirring of molten uranium by Singh, Rajesh K., Corbey, Jordan F., Deshmukh, Nikhil S., Howard, Amanda A., Frazier, William E., Hu, Shenyang, Abrecht, David G.

“…[Display omitted] •Migration of microparticle impurities in the uranium melt inside an induction furnace.•Homogeneous distribution of smaller carbide…”
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Ab initio modeling and thermodynamics of hydrated plutonium oxalates by LaCount, Michael D., Meier, David E., Ritzmann, Andrew M., Muller, Scott E., Clark, Richard A., Buck, Edgar C., Abrecht, David G.

“…An ab initio study on the plutonium oxalate hydrates: Pu2(C2O4)3⋅10H2O and Pu(C2O4)2⋅6H2O, using PBE exchange-correlation with D3 dispersion correction and…”
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Evaluation of the Thermodynamic Properties of H(2) Binding in Solid State Dihydrogen Complexes [M(η(2)-H(2))(CO)dppe(2)][BArF(24)] (M = Mn, Tc, Re): an Experimental and First Principles Study by Abrecht, David G, Fultz, Brent

“…The solid state complex [Mn(CO)dppe(2)][BArF(24)] was synthesized and the thermodynamic behavior and properties of the hydrogen absorption reaction to form the…”
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First principles investigation of the structural and bonding properties of hydrated actinide (IV) oxalates, An(C2O4)2·6H2O (An = U, Pu) by Garrett, Kerry E., Ritzmann, Andrew M., Smith, Frances N., Kessler, Sean H., Devanathan, Ram, Henson, Neil J., Abrecht, David G.

“…[Display omitted] •This is the first DFT study performed on actinide oxalates.•Structural optimization results in bonding between the actinides and water.•The…”
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Vibrational contributions to phase stability in the Mo-Ru system by Kessler, Sean H., Abrecht, David G., Clark, Richard A., Schwantes, Jon M.

“…Density functional theory using the Perdew-Burke-Ernzerhof functional and the small displacement method was used to calculate the quasiharmonic phonon density…”
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Vibrational contributions to phase stability in the Mo-Ru system by Kessler, Sean H., Abrecht, David G., Clark, Richard A., Schwantes, Jon M.

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First principles investigation of the structural and bonding properties of hydrated actinide (IV) oxalates, An(C2O4)2·6H2O (An = U, Pu) by Garrett, Kerry E., Ritzmann, Andrew M., Smith, Frances N., Kessler, Sean H., Devanathan, Ram, Henson, Neil J., Abrecht, David G.

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Spin-State Effects on the Thermal Dihydrogen Release from Solid-State [MH(η 2 - H 2 )dppe 2 ] + (M = Fe, Ru, Os) Organometallic Complexes for Hydrogen Storage Applications by Abrecht, David G., Muñoz, Jorge A., Smith, Hillary L., Fultz, Brent

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