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Displaying 1601 - 1625 of 1647

Suppression of Lateral Phase Separation in Thin Polyolefin Blend Films

March 1, 2001

Author(s)

Y A. Akpalu, Alamgir Karim, Sushil K. Satija, N P. Balsara

The effectiveness of a compatibilizer in suppressing lateral phase separation in thin polyolefin blend films is investigated as a function offilm thickness and temperature. Neutron and x-ray reflectivity measurements were made on spun cast thin blend films

The Structure of O 3 -CH 4 and the Implications for the O + CH 4 Precursor-Initiated Reaction

August 1, 2000

Author(s)

Angela R. Hight Walker, Gerald T. Fraser, R D. Suenram, Francis J. Lovas

… complex, either non reaction or reaction by stripping of a hydrogen atom at high impact parameters, leading to fast, …

Experimental Investigation of Extinguishment of Laminar Diffusion Flames By Thermal Agents

May 2, 2000

Author(s)

Rodney A. Bryant, Marcia L. Huber, William M. Pitts

… by the release of bromine atoms that catalytically remove hydrogen atoms in the flame zone. A NIST Internal Report is …

Ab Initio Structures of Metalloenzyme Active Sites: Applications to Metalloglutathione Transferase

January 1, 2000

Author(s)

Morris Krauss

… then a hexacoordinated structure with three internally hydrogen bonded waters is calculated with open shell …

Determination of Sulfur and Sulfate Half-ester Content in Cellulose Nanocrystals: An Interlaboratory Comparison

Author(s)

Linda Johnston, Zygmun Jakubek, Stephanie Beck, Jun Arak, Emily Cranston, Christoph Danumah, Douglas Fox, Li Haifeng, Zoltan Mester, Audrey Moores, Savelas A. Rabb, Karen E. Murphy, Chady Stephan

… surface after dialysis and protonation using a strong acid hydrogen exchange resin to ensure full protonation. The data …

Reduction of hydrogen cyanide concentrations and acute inhalation toxicity from flexible polyurethane foam combustion products by the addition of copper compounds. Part III::the effect of copper additives on the flammability characteristics of flexible po

January 1, 1990

Author(s)

B C Levin, E Braun, J R Shields, D Lowe

… Reduction of hydrogen cyanide concentrations and acute inhalation toxicity …

Disclosures on a transrotor engine, high temperature platinum resistance thermometer, dynamic analog correlation system, and combination metering and safety valve for filling sonde ballons with hydrogen. Editors::David Robbins and Alvin J. Englert.

January 1, 1967

Author(s)

David Robbins

… metering and safety valve for filling sonde ballons with hydrogen. Editors::David Robbins and Alvin J. Englert. …

Etch Rates and Selectivities of Citric Acid/Hydrogen Peroxide on GaAs, A1 0.3 Ga 0.7 As, In 0.2 Ga 0.8 As, in 0.53 Ga 0.47 As, In 0.52 A1 0.48 As, and InP

March 1, 1992

Author(s)

G. C. DeSalvo, W. F. Tseng, J. Comas

… Etch Rates and Selectivities of Citric Acid/Hydrogen Peroxide on GaAs, A1 0.3 Ga 0.7 As, In 0.2 Ga 0.8 …

Circular of the Bureau of Standards no. 488 section 1::an ultraviolet multiplet table- the spectra of hydrogen, helium, lithium, berylluim, boron, carbon, nitrogen, oxygen, fluorine, neon, sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine

January 1, 1950

Author(s)

Charlotte E Moore

… section 1::an ultraviolet multiplet table- the spectra of hydrogen, helium, lithium, berylluim, boron, carbon, …

Thermal Decomposition of RP-1, RP-2, and Mixtures of RP-2 With Stabilizing Additives

November 3, 2008

Author(s)

Jason A. Widegren, Thomas J. Bruno

… rocket propellant, RP-1, RP-2, thermal decomposition, hydrogen donors, JP-8+100, stabilizer, 1, 2, 3, …

The Role of Humidity in Enhancing CO2 Capture Efficiency in Polyethyleneimine Thin Films

February 6, 2025

Author(s)

Christopher Stafford, Avery Baumann, John Hoffman

… Water vapor in the air has been shown break up internal hydrogen bonding within the amine-based polymer, which …

Structural Properties of Kerogens with Different Maturities

October 15, 2020

Author(s)

Wei-Shan Chiang, Jin-hong Chen, David Jacobi, Taner N. Yildirim

… results indicate that higher mature kerogens have lower hydrogen/carbon ratio. Nitrogen gas adsorption indicates that …

Chapter 3 Evaluation of Atmospheric Loss Processes

December 31, 2013

Author(s)

Vladimir L. Orkin, James B. Burkholder, Wahid Mellouki, Eric L. Fleming, Christian George, Charles H. Jackman, Timothy J. Wallington , Michael J. Kurylo , Dwayne E. Heard, William H. Swartz

… for each of the molecules included in this report. For hydrogen containing molecules, loss due to the OH reaction is …

A Volcano Curve: Optimizing Methanol Electro-oxidation on Pt decorated Ru Nanoparticles

June 26, 2009

Author(s)

Christopher D. Zangmeister, Savelas A. Rabb, Du Bingchen, YuYe Tong

… demanding, i.e., no need to handle high-temperature hydrogen reduction, offers a better control of the Pt packing …

Composition Verification of AlGaAs Epitaxial Layers using Inductively Coupled Plasma Optical-Emission Spectroscopy

September 28, 2003

Author(s)

Kristine A. Bertness, Todd E. Harvey, Albert J. Paul, Larry Robins, Gregory C. Turk, Therese A. Butler, Marc L. Salit

… dissolving the AlGaAs film in a mixture of sulphuric acid, hydrogen peroxide, and water. In order to avoid contamination …

The Structure of the T127L/S128A Mutant of cAMP Receptor Protein Facilitates Promoter Site Binding

April 6, 2001

Author(s)

S. Chu, M. Tordova, G L. Gilliland, I Gorshkova, Y. Shi, S. Wang, Frederick P. Schwarz

… In addition, water-mediated interactions replace the hydrogen bonding interactions between the N 6 of anti-cAMP …

Hetero-Bimetallic Paddlewheel Complexes for Enhanced CO2 Reduction Selectivity in MOFs: A First Principles Study

September 27, 2023

Author(s)

Gavin McCarver, Taner N. Yildirim, Wei Zhou

… due to a lower limiting potential of 0.81 eV for hydrogen reduction. Our examination of the Cu–Ni paddlewheel …

Pre-Conceptual Design of the NIST Neutron Source

April 16, 2023

Author(s)

Dagistan Sahin, Osman Celikten, Jeremy Cook, Abdullah Weiss, Thomas Newton, David Diamond, Charles F. Majkrzak, Hubert King, Joy Shen, Anil Gurgen, Lap-Yan Cheng, Peter Kohut, Cihang Lu, Athi Varuttamaseni

… of about 10 when compared to the existing NBSR liquid hydrogen cold source, and at least a factor of two increase …

Nanoscopic Dynamics of Bicontinuous Microemulsions: Effect of Membrane-Associated Protein

July 28, 2017

Author(s)

V. K. Sharma, Douglas G. Hayes, Volker S. Urban, Hugh M. O'Neill, Madhu Sudan Tyagi, Eugene Mamontov

Bicontinous Microemulsions (BυE)generally consist of nanodomains formed by surfactant in a mixture of water and oil at nearly equal proportions and are potential candidates for the solubilization and purification of membrane proteins. Here we present the

Light-Controlled Protein Dynamics Observed with Neutron Spin Echo Measurements

August 2, 2011

Author(s)

Shao-Chun Wang, Panteha Mirarefi, Antonio Faraone, Jr. Lee

… Protein dynamics were also tracked with FT-IR through hydrogen/deuterium exchange kinetics, which further …

Comparison between frequency standards in Europe and the USA at the 10 -15 uncertainty level

February 1, 2006

Author(s)

Joseph Achkar, Andreas Bauch, R Dach, R Hlavac, Luca Lorini, Thomas E. Parker, G. Petit, Dirk Piester, P Uhrich, K Szymaniec

… during about 25 days in October/November 2004. Active hydrogen maser reference standards served as frequency …

NIST Handbook 44: Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices (2021 Ed.)

May 3, 2021

Author(s)

Yvonne Branden

… electric vehicle fueling systems, grain analyzers, hydrogen gas-measuring devices, measure-containers, …

All-Sky Faint DA White Dwarf Spectrophotometric Standards for Astrophysical Observatories: The Complete Sample

July 1, 2023

Author(s)

Tim Axelron, Tim Axelrod, Abhijit Saha, Thomas Matheson, Susana Deustua

… The purely radiative pure hydrogen atmospheres of hot DA white dwarfs are the least …

Status of the Liquid Deuterium Cold Neutron Source for the NIST Research Reactor

April 28, 2016

Author(s)

Robert E. Williams, Michael Middleton, Paul Kopetka, J. Michael Rowe, Paul C. Brand

… between 4 A and 9 A with respect to the existing liquid hydrogen cold source, and a gain of 2 at the longest …

Comparison of the Coordination of B 12 F 12 ^2-^, B 12 Cl 12 2- , and B 12 H 12 ^2-^ to Na + in the Solid State: Crystal Structures and Thermal Behavior of Na 2 (B 12

April 6, 2017

Author(s)

Eric V. Bukovsky, Dmitry V. Peryshkov, Hui Wu, Wei Zhou, Wan Si NMN Tang, W. Matthew Jones, Vitalie Stavila, Terrence J. Udovic, Steven H. Strauss

… 2 O) 2 Na(H 2 O) 2 ] 2+ cations with OH&#8226&#8226&#8226O hydrogen bonds linking the terminal H 2 O ligands. The …

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