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Displaying 826 - 850 of 1647

Comparative Study of Pore Size of Low-Dielectric-Constant Porous Spin-On-Glass Films Using Different Methods of Nondestructive Instrumentation

April 1, 2001

Author(s)

E Kondoh, M R. Baklanov, Eric K. Lin, D Gidley, A Nakashima

… Pore sizes of hydrogen-methyl-siloxane-based porous spin-on-glass (SOG) …

The creation and study of Bose-Einstein condensation in a cold alkali vapor

September 1, 1997

Author(s)

C E. Wieman, Eric A. Cornell, Deborah S. Jin, J R. Ensher

… in laser cooling and trapping, the study of spin polarized hydrogen, and the investigation of atomic collisions at very …

Electrolytes that reduce electro-osmotic drag improve fast charging of lithium-ion batteries

May 13, 2025

Author(s)

Chang-Xin Zhao, Zeyi Wang, David Jacobson, Yue Li, Boris Khaykovich, Sean Fayfar, Jacob LaManna, Daniel Hussey, Lei Zheng, Gabriel Veith, Fu Chen, Chunsheng Wang

… weakens lithium-cation solvation and its difluoromethyl hydrogen atoms enhance anion solvation through hydrogen bonding. This electrolyte enables thick-electrode, …

Tests of Fundamental Physics

July 3, 2023

Author(s)

Eite Tiesinga, Peter Mohr

… tests rely on a combination of the spectroscopy of atomic hydrogen, $g$-factor measurements of a free electron as well as that of an electron bound in a hydrogen-like ion, and finally the mass determination of the …

Designing and Performing Biologicial Solution Small-Angle Neutron Scattering Contrast Variation Experiments on Multi-component Assemblies

December 7, 2017

Author(s)

Susan Krueger

… large difference in neutron scattering strength between hydrogen and deuterium is key to the method. Isotopic substitution of deuterium for some or all of the hydrogen in either the molecule or the solvent can greatly …

Self-terminated Electrodeposition of Iridium Electrocatalysts

September 16, 2015

Author(s)

Thomas P. Moffat

… of bimetallic catalysis required for a sustainable hydrogen economy. Semi-coherent Ir films were deposited on … match or exceed the best reported activity metrics for hydrogen oxidation in alkaline media and water splitting in …

CCQM-P151 Draft A Report Pilot Study CCQM P151 Halocarbons in Dry Whole Air

May 28, 2014

Author(s)

George C. Rhoderick, Franklin R. Guenther, David L. Duewer, Jeongsoon Lee, Jin S. Kim, Bradley Hall, Ray Weiss, Christina Harth, Stefan Reimann, Martin Vollmer

… 11), and 1,1,2 trichlorotrifluoroethane (CFC 113); the hydrogen chlorofluorocarbons (HCFCs) difluorochloromethane … (HCFC 22) and difluorochloroethane (HCFC 142b); and the hydrogen fluorocarbon (HFC) 1,1,1,2 tetrafluoroethane (HFC …

Oxidatively Induced Damage to DNA: Potential Role of Single-Wall Carbon Nanotubes at the Molecular Level

May 13, 2013

Author(s)

Elijah J. Petersen, Xiaomin X. Tu, M Miral Dizdar, Ming Zheng, Bryant C. Nelson

… of oxygen-derived species such as hydroxyl radicals, hydrogen atoms, and hydrogen peroxide. When used to process DNA solutions, these …

Outgassing rate comparison of seven geometrically similar vacuum chambers of different materials and heat treatments

April 23, 2021

Author(s)

James A. Fedchak, Julia Scherschligt, Sefer Avdiaj, Daniel Barker, Stephen Eckel, Ben Bowers, Scott O'Connell, Perry Henderson

… We have measured the water and hydrogen outgassing rates of seven vacuum chambers of … were closer to that of 304L, Ti being slightly lower. Hydrogen outgassing rates were measured using the … chambers with no vacuum-fire heat treatment have larger hydrogen outgassing rates than the other chambers, with …

Common Mass Spectral Fragments Lost

June 22, 2012

Author(s)

Thomas J. Bruno, Paris D. Svoronos

… The listed fragments include only combination of carbon, hydrogen, oxygen, nitrogen sulfur, and the halogens. …

Arrays of Distributed-Bragg-Reflector Waveguide Lasers at 1536 nm in Yb/Er Codoped Phosphate Glass

February 8, 1999

Author(s)

D. L. Veasey, David S. Funk, Norman Sanford, Joseph S. Hayden

… Waveguide Lasers at 1536 nm in Yb/Er Codoped Phosphate Glass …

Structure (1.3 A) and Charge States of a Ribonuclease A-Uridine Vanadate Complex: Implications for the Phosphate Ester Hydrolysis Mechanism

June 10, 1998

Author(s)

B Wladkowski, L A. Svensson, L Sjolin, Jane E. Ladner, G L. Gilliland

… A-Uridine Vanadate Complex: Implications for the Phosphate Ester Hydrolysis Mechanism …

Numerical Studies of Gas-phase interactions of phosphorus-containing compounds with coflow diffusion flames

July 7, 2018

Author(s)

Gregory T. Linteris, Fumiaki Takahashi, Viswanath R. Katta, Valeri I. Babushok

… Dimethyl methylphosphonate (DMMP), trimethyl phosphate (TMP), or phosphoric acid is added to either the …

NEXAFS Characterization of DNA Components and Molecular-Orientation of Surface-Bound DNA Oligomers

September 7, 2006

Author(s)

N T. Samuel, C H. Lee, L Gamble, Daniel A. Fischer, David G. Castner

… of DNA. The effect of addition of the DNA sugar and phosphate components on the NEXAFS k-edge spectra was also …

Template Fabrication of Protein-Functionalized Gold-Polypyrrole-Gold Segmented Nanowires

September 1, 2004

Author(s)

R M. Hernandez, Lee J. Richter, Stephen Semancik, Stephan J. Stranick, Thomas E. Mallouk

… were constant potential deposition at 0.75V vs. SCE in a phosphate buffer saline solution at pH 9. This method …

The Design and Performance of a Second-Generation Phi Meter

January 5, 2022

Author(s)

Ryan Falkenstein-Smith, Thomas Cleary

… instrument and verifying measurements via the carbon to hydrogen ratio and mass balance. The bench-scale experiments … ratio, water vapor concentration, and carbon to hydrogen ratio measurements are in fair agreement with their … Real-time global and local equivalence ratio and carbon to hydrogen ratio measurements obtained during a backdraft …

p-Terphenyl Sensitized Photoreduction of CO 2 With Cobalt- and Iron-Porphyrins. Interaction Between CO and Reduced Metalloporphyrins

July 1, 1999

Author(s)

T Dhanasekaran, J Grodkowski, Pedatsur Neta, P Hambright, E Fujita

Iron and cobalt porphyrins (FeP and CoP) are utilized as electron-transfer mediators to effect photochemical reduction of CO 2 in homogeneous solutions. The species that activate and reduce CO 2 are the Fe 0P and Co 0P formed by reduction of the starting

Crystal Structure of the Escherichia Coli CobW Protein Suggests a GTP-Dependent Regulatory Function in the Cobalamin Synthesis Pathway

October 12, 2021

Author(s)

P P. Khil, R D. Camerini-Otero, A Teplyakov, G Obmolova, A J. Howard, G L. Gilliland

… the four canonical motifs of G-proteins, namely: (i) the phosphate-binding Walker A motif (P-loop), (ii) the Walker B … the invariant residues Asn38 and Glu39 that bind the g-phosphate of NTP, and (iv) the base recognition motif …

Changes in Lactate and Other Ions in Plaque and Saliva After a Fluoride Rinse and Subsequent Sucrose Administration

January 1, 2002

Author(s)

Gerald L. Vogel, Z Zhang, Laurence C. Chow, A L. Galvin

… samples by centrifugation was then for pH, free calcium, phosphate, organic acids and fluoride analyzed using micro … pH mediated increase in free calcium, but net decrease in phosphate and fluoride, which, apparently in view of the …

Molecular dynamics investigation of the effects of tip-substrate interactions during nanoindentation

June 18, 2015

Author(s)

Francesca M. Tavazza, Thomas Senftle, Chenyu Zou, Chandler A. Becker, Adri van Duin

… on the tip upon retraction. However, the presence of hydrogen on the diamond tip drastically reduces, or even …

Protective roles of single-wall carbon nanotubes in ultrasonication-induced DNA base damage

August 27, 2012

Author(s)

Elijah J. Petersen, Xiaomin X. Tu, M Miral Dizdar, Ming Zheng, Bryant C. Nelson

… of oxygen-derived species such as hydroxyl radicals, hydrogen atoms, and hydrogen peroxide. Highly reactive hydroxyl radicals can …

A Highly Practical Route for Large-Area, Single Layer Graphene from Liquid Carbon Sources such as Benzene and Methanol

October 28, 2011

Author(s)

Gadipelli Srinivas, Irene G. Calizo, Jamie Ford, Guangjun Cheng, Angela R. Hight Walker, Taner N. Yildirim

… a straightforward synthesis that requires no explosive hydrogen or methane gas flow. The synthesis is further … is found to be unique in that it acts as both a carbon/hydrogen source and an inhibitor to amorphous carbon growth. …

Ferrocene as a Hydrophobic Templating Agent with Pyrogallol[4]arenes

July 11, 2011

Author(s)

Andrew V. Mossine, Harshita Kumari, Drew A. Fowler, Andrew K. Maerz, Steven R. Kline, Charles L. Barnes, Jerry L. Atwood

… The overall assembly is stabilized by an extensive hydrogen-bonding framework involving the upper rim of the … contains dimers of PgC1 sealed at the upper rims via hydrogen bonding interactions with four water molecules. The …

H Atom Attack on Propene

March 15, 2011

Author(s)

Claudette M. Rosado-Reyes, Jeffrey A. Manion, Wing Tsang

… The reaction of propene(CH3CH=CH2) with hydrogen atoms has been investigated in a heated … The rate constant for the abstraction of the allylic hydrogen atom is determined to be, k (H + Propene → CH2CH=CH2 …

Using CFAST to Estimate the Efficiency of Filtering Particulates in a Building (NIST IR 7498)

April 30, 2008

Author(s)

Walter W. Jones, Richard D. Peacock

… are: nitrogen, oxygen, carbon monoxide, carbon dioxide, hydrogen cyanide, hydrogen chloride, fuel in vapor form, soot, trace species …

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