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Displaying 301 - 325 of 1646

First Measurement of Lyman Alpha X-ray Lines in Hydrogen-like Vanadium

September 30, 2009
Author(s)
John D. Gillaspy, C T. Chantler, D Paterson, Lawrence T. Hudson, F Serpa, E Takacs
… The first measurement of hydrogen-like vanadium x-ray Lyman alpha transitions has been … Hydrogen, Hydrogen-like ions, quantum electrodynamics (QED), Lamb … First Measurement of Lyman Alpha X-ray Lines in Hydrogen-like Vanadium …

Hydrogen Dynamics in Laves-Phase Hydride YFe 2 H 2.6 : Inelastic and Quasielastic Neutron Scattering Studies

May 15, 2014
Author(s)
A. V. Skripov, V. Paul-Bancour, Terrence J. Udovic, John J. Rush
… The vibrational spectrum of hydrogen and the parameters of H jump motion in the C15-type … and quasielastic neutron scattering. It is found that hydrogen atoms occupying tetrahedral interstitial g (Y 2 Fe 2 … K to 240 K, respectively. Our results also indicate that hydrogen dynamics in YFe 2 H 2.6 is affected by considerable …

Demonstration of a Chamber for Strain Mapping of Steel Specimens Under Mechanical Load in a Hydrogen Environment by Synchrotron Radiation

June 4, 2018
Author(s)
Matthew J. Connolly, Peter E. Bradley, Damian S. Lauria, Andrew J. Slifka, Elizabeth S. Drexler
… measurements of lattice strain for specimens in hydrogen gas under mechanical load. The chamber is suitable … Synchrotron x-ray radiographs of a fatigue crack grown in hydrogen are shown. Diffraction patterns show high … Fatigue, Fracture, Diffraction, Lattice Strain, Hydrogen, Fatigue Crack Growth, Synchrotron X- rays …

Effect of Mixing Ratio and pH on the Reaction Between Ca 4 (PO 4 ) 2 O and CaHPO 4

May 1, 2000
Author(s)
S Matsuya, Shozo Takagi, Laurence Chow
… shown to be responsible for the hardening of a calcium phosphate cement. This reaction was investigated by … of TTCP was the predominant reaction and both octacalcium phosphate and OHAp were formed, But, when HCI and KOH were … calcium phosphate cement, chemical reaction, dicalcium phosphate, …

A Critical Compilation of Experimental Data on Spectral Lines and Energy Levels of Hydrogen, Deuterium, and Tritium

June 1, 2010
Author(s)
Alexander Kramida
… the standard source of reference data for the spectra of hydrogen and its isotopes. In these compilations, theoretical … been given. This reflects the fact that the theory of the hydrogen spectrum has been perfected to an extent far … work compiles several tens of recent measurements of the hydrogen, deuterium, and tritium fine and hyperfine structure …

Measuring Hydrogen Deuterium Exchange in Protein Monolayers

October 16, 2008
Author(s)
Jack R. Smith, Marcus T. Cicerone, Curtis Meuse
… infrared (IR) spectroscopy assay to measure hydrogen-deuterium exchange (HDX) in surface-adsorbed protein … hydrogen deuterium exchange, infrared spectroscopy, protein … Measuring Hydrogen Deuterium Exchange in Protein Monolayers …

In Vivo Characteristics of Premixed Calcium Phosphate Cements When Implanted in Subcutaneous Tissues and Periodontal Bone Defects

August 1, 2010
Author(s)
Akiyoshi Sugawara, Kenji Fujikawa, Satoshi Hirayama, Shozo Takagi, Laurence Chow
… study evaluated characteristics of premixed calcium phosphate cements (Pre-CPCs) when implanted in subcutaneous … Premixed calcium phosphate cement, animal study, periodontal bone defects, … In Vivo Characteristics of Premixed Calcium Phosphate Cements When Implanted in Subcutaneous Tissues and …

Effect of Resin Composition on the Mechanical and Physical Properties of Calcium Phosphate Filled Bonding Systems

August 1, 2004
Author(s)
Sabine H. Dickens, Glenn M. Flaim, C J. Floyd
… from RCPC via a bonding agent barrier, use of calcium phosphate-filled single solution bonding agents have been … (PMGDM vs. HEMA) and type and amount of the calcium phosphate filler on biaxial flexural strength and ion release … solvent. The composition with the highest calcium and phosphate ion release was further investigated in dentin bond …

NIST Workshop on Materials Test Procedures for Hydrogen Pipelines

September 1, 2007
Author(s)
Thomas A. Siewert, Joseph D. McColskey, Richard E. Ricker
… Boulder, Colorado entitled "Materials Test Procedures for Hydrogen Pipelines." Assistance in organizing the workshop … codes, hydrogen pipelines, mechanical testing, standards … NIST Workshop on Materials Test Procedures for Hydrogen Pipelines …

Structure and Spectroscopy of Hydrogen Adsorbed in a Nickel Metal-Organic Framework

December 12, 2013
Author(s)
Craig M. Brown, Anibal Javier Ramirez-Cuesta, Jae-Hyuk Her, Paul S. Wheatley, Russell E. Morris
… information concerning the local adsorption potential for hydrogen at each site has also been probed using inelastic … hydrogen storage, neutron scattering, neutron diffraction, … Structure and Spectroscopy of Hydrogen Adsorbed in a Nickel Metal-Organic Framework …

Mid-Infrared, Near-Infrared, and Visible Nanospectroscopy of Hydrogen-Intercalated MoO3

August 21, 2023
Author(s)
Jeffrey Schwartz, Sergiy Krylyuk, Devon Jakob, Albert Davydov, Andrea Centrone
… molecular, or ionic species in their lattice. For example, hydrogen intercalation and the creation of oxygen vacancies … of MoO3 crystals in H2, we show that the resulting hydrogen molybdenum bronzes and/or oxygen deficient, … MoO3, nanoscale spectroscopy, PTIR, molybdenum bronze, hydrogen intercalation, spatial heterogeneity …

Effects of Incorporating Nano-Sized Monocalcium Phosphate Monohydrate Fillers on Whisker-Reinforced Dental Composites

August 21, 2006
Author(s)
Hockin D. Xu, Limin Sun, Michael Weir, Shozo Takagi, P P. Chow, B Hockey
… through the addition of nano particles of monocalcium phosphate monohydrate (MCPM), dicalcium phosphate anhydrous (DCPA), and tetracalcium phosphate (TTCP). The specific goal of this pilot study was … Effects of Incorporating Nano-Sized Monocalcium Phosphate Monohydrate Fillers on Whisker-Reinforced Dental …

Ultra-small-Angle X-ray Scattering - X-ray Photon-Correlation Spectroscopy Studies of Incipient Structural Changes in Amorphous Calcium Phosphate Based Dental Composites

February 28, 2012
Author(s)
Fan Zhang, Andrew Allen, Lyle E. Levine, Laura Espinal, Joseph M. Antonucci, Drago Skrtic, Justin N. O'Donnell, Jan Ilavsky
… The local structural changes in amorphous calcium phosphate (ACP) based dental composites were studied upon … X-ray photon correlation spectroscopy, amorphous calcium phosphate, polymer dental composites, non-equilibrium … of Incipient Structural Changes in Amorphous Calcium Phosphate Based Dental Composites …

Ultrafast Terahertz Spectroscopy: Measuring Low-Frequency Vibrational Modes of Hydrogen-Bonded Systems

July 1, 2000
Author(s)
D A. McWhorter, Alan L. Migdall, Edwin J. Heilweil
… Spectrometer characteristics and absorption spectra of hydrogen-bonded dimers in condensed phases will be presented. … biological molecules, far-infrared, far-infrared lasers, hydrogen-bonded systems, spectroscopy, terahertz, vibrational … Spectroscopy: Measuring Low-Frequency Vibrational Modes of Hydrogen-Bonded Systems …

Solidification of a heterogeneous Multiphase Laves-based Hydrogen Storage Alloy

August 15, 2010
Author(s)
William J. Boettinger, Dale E. Newbury, Ke Wang, Leonid A. Bendersky, Chun Chiu, Ursula R. Kattner, K. Young, B. Chao
… of a nine-element Zr-Ni based AB(sub 2) type C14/C15 Laves hydrogen storage alloy is determined. The selected … Phase diagram, Sodification, Hydrogen storage, Microprobe analysis … Solidification of a heterogeneous Multiphase Laves-based Hydrogen Storage Alloy …

A Flexible Microporous Hydrogen-Bonded Organic Framework for Gas Sorption and Separation

August 12, 2015
Author(s)
Hailong Wang, Bin Li, Hui Wu, Tong-Liang Hu, Zizhu Yao, Wei Zhou, Shengchang Xiang, Banglin Chen
… A microporous three-dimensional hydrogen-bonded organic framework (HOF-5) has been … Hydrogen-Bonded Organic Framework, porous material, gas … A Flexible Microporous Hydrogen-Bonded Organic Framework for Gas Sorption and …
Displaying 301 - 325 of 1646
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