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Displaying 426 - 450 of 1646

The Film Boiling Reactor: A New Environment for Chemical Processing

July 1, 2006
Author(s)
Bryan J. Urban, Charles T. Avedisian, Wing Tsang
… liquids. A model for conversion of pure methanol to hydrogen and carbon monoxide is used to illustrate the … with tube diameter a secondary effect. The yields of hydrogen increase as tube diameter and wall temperature … rates reach an asymptote with wall concentrations of hydrogen and carbon monoxide being lower and higher than …

Neutron Scattering and Spectroscopic Studies of Hydrogen Adsorption in Cr 3 (BTC) 2 - A Metal-Organic Framework with Exposed Cr 2+ Sites

April 1, 2011
Author(s)
Kenji Sumida, Jae-Hyuk Her, Mircea Dinca, Leslie J. Murray, Jennifer M. Schloss, Christopher J. Pierce, Benjamin A. Thompson, Stephen A. FitzGerald, Craig Brown, Jeffrey R. Long
… heat of adsorption of (¿7.4 ± 1) kJ/mol. The detailed hydrogen loading characteristics of Cr 3 (BTC) 2 have been … hydrogen storage, metal-organic framework, neutron … Neutron Scattering and Spectroscopic Studies of Hydrogen Adsorption in Cr 3 (BTC) 2 - A Metal-Organic …

Combinatorial Study of Thin Film Metal Hydride by Prompt Gamma Activation Analysis

June 19, 2009
Author(s)
Raymond Cao, Jason Hattrick-Simpers, Richard Bindel, Bryan E. Tomlin, Rolf L. Zeisler, Rick L. Paul, Leonid A. Bendersky, Robert G. Downing
… analysis (PGAA) was used to determine the amount of hydrogen in thin film Mg hydrides with varying hydrogenation … after 48 hours, contrary to what was indicated by indirect hydrogen measurement methods. To establish PGAA as an … thin film, combinatorial, metal hydride, hydrogen storage, IR emissivity, cold neutron, NAA, PGAA, INAA …

Comparison of FANS and ARCS Incoherent Inelastic Neutron Scattering Measurements of Hydrogen Trapped at Dislocations in Deformed Pd

July 22, 2011
Author(s)
Hyunsu Ju, Brent J. Heuser, D. Abernathy, Terrence J. Udovic
… measurements of the vibrational density of states (VDOS)of hydrogen trapped at dislocations in deformed PdH 0.0013 have … of the measured VDOS for the two instruments. The low hydrogen inventory (10 -3 grams)provides a test of the … corresponding to the vibrational density of states of the hydrogen modes. …

A Model for NBTI in Nitrided Oxide MOSFETs Which Does Not Involve Hydrogen or Diffusion

June 1, 2011
Author(s)
Patrick M. Lenahan, Jason Campbell, A.T. Krishnan, S. Krishnan
… dioxide gate pMOSFETs. Reaction diffusion models involve hydrogen/silicon bond breaking events at the silicon/ silicon … from the interface as well as potential rebonding of hydrogen and interface trap defect centers. This model does not invoke hydrogen in any form whatsoever but does simply account for …

Hydrogen Distribution in Nb/Ta Superlattices

May 31, 2012
Author(s)
Max Wolff, Gunnar K. Palsson, Panagiotis T. Korelis, Joseph Dura, Charles Majkrzak, Bjorgvin Hjorvarsson
… Hydrogen, superlattice, Nb, Ta, Curie -Weiss, strain … Hydrogen Distribution in Nb/Ta Superlattices …

Quasi-elastic Neutron Scattering Measurement of Hydrogen Diffusion in a Graphene Oxide Framework

April 16, 2020
Author(s)
Matthew J. Connolly, Z. N. Buck, Carlos Wexler, Joseph C. Schaeperkoetter, H. Taub, Andrew Gillespie, Helmut Kaiser
… neutron scattering (QENS) spectra from molecular hydrogen adsorbed in GOF. The measurements probed the motion of adsorbed hydrogen as a function of pressure, in order to understand … Quasi-elastic Neutron Scattering Measurement of Hydrogen Diffusion in a Graphene Oxide Framework …

Conformational Changes in Active and Inactive States of Human PP2C? characterized by Hydrogen/Deuterium Exchange-Mass Spectrometry

May 8, 2017
Author(s)
Sharlyn Mazur, Elyssia S. Gallagher, Subrata Debnath, Stewart R. Durell, Kyle Anderson, Lisa M. Jenkins, Ettore Appella, Jeffrey W. Hudgens
… and catalytically important. Here, we report the use of hydrogen/deuterium exchange-mass spectrometry and molecular … catalytic domain conformational change, human pp2c¿, hydrogen/deuterium exchange-mass spectrometry, magnesium … Active and Inactive States of Human PP2C? characterized by Hydrogen/Deuterium Exchange-Mass Spectrometry …

Fully Quantum Cross Second Virial Coefficients for the Three-Dimensional He-H2 Pair

September 21, 2014
Author(s)
Giovanni Garberoglio, Konrad Patkowski, Allan H. Harvey
… virial coefficient B12(T) between helium and molecular hydrogen. The path-integral method used in this work fully accounts for both the flexibility of the hydrogen molecule and for quantum effects. The effect of … helium, hydrogen, quantum effects, thermodynamics, virial coefficients …

A Thermodynamic Study of the Reactions: 2-Dehydro-3Deoxy-D-Arabino-Heptanoate 7-Phosphate(aq) = {3-Dehydroquinate (ag) + Phosphate (aq)} and {3-Dehydroquinate(aq) =3-Dehydroshikimate(aq) + H 2 O(l)}

October 1, 2002
Author(s)
Yadu D. Tewari, Robert N. Goldberg, A R. Hawkins, H K. Lamb
… two reactions are: {DAHP (aq) = 3-dehydroquinate (aq) + phosphate(aq)} + {3-dehydroquinate (aq) = … of the Reactions: 2-Dehydro-3Deoxy-D-Arabino-Heptanoate 7-Phosphate(aq) = {3-Dehydroquinate (ag) + Phosphate (aq)} and {3-Dehydroquinate(aq) …

Voids and Clusters in Expanded Water

January 1, 1999
Author(s)
Raymond D. Mountain
… used to examine the size distributions of suitably defined hydrogen bonded clusters, physical clusters, and voids. The cluster structure of both hydrogen bonded clusters and physical clusters changes … cluster, hydrogen bond cluster, molecular dynamics, size distribution, …

Vibrational Modes and Quantum Zero-Point Energy of Hydrogen in ZrH 0.0155 and ZrH 2

March 25, 2020
Author(s)
Timothy R Prisk, Alexander I. Kolesnikov, Garrett E. Granroth, Jun-li Lin, Brent J. Heuser
… effective Born-Oppenheimer potential experienced by the hydrogen atoms in -ZrH 2 is nearly isotropic and harmonic at … is approximately harmonic for small displacements of the hydrogen atoms. However, the anharmonicity of the potential … becomes readily apparent in the excited states of the hydrogen atoms, as the harmonic approximation breaks down in …
Displaying 426 - 450 of 1646
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