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Displaying 1801 - 1825 of 1898

False Alarm Testing for Radiation Detection Systems

October 2, 2020

Author(s)

Dennis D. Leber, Leticia S. Pibida

… between test burden (costs) and producer risk (type II error) while satisfying the required confidence. We …

Thermochemical principles of the production of lightweight aggregates from waste coal bottom ash

August 12, 2020

Author(s)

Edward Garboczi, Mohammad Balapour, Rathin Rao, Sabrina Spatari, Grace Hsuan, Peter Billen

… amount of molten liquid phase during sintering, (ii) reaching an appropriate viscosity for solid-liquid …

Effective attenuation lengths for different quantitative applications of X-ray photoelectron spectroscopy

July 13, 2020

Author(s)

Cedric J. Powell, Aleksander Jablonski

… thickness of an overlayer films on a planar substrate, (ii) the surface composition, (iii) the depth of a thin marker …

Molecular Insight into Fluorocarbon Adsorption in Pore Expanded Metal-Organic Framework Analogs

February 12, 2020

Author(s)

Jian Zheng, Dushyant Barpaga, Benjamin Trump, Manish Shetty, Yanzhong Fan, Papri Bhattacharya, Jeromy J. Jenks, Cheng-Yong Su, Craig Brown, Guillaume Maurin, B. Peter McGrail, Radha Kishan Motkuri

… coordination of fluorine (of CH2F in R134a) to the nickel(II) open metal centers at low pressures for each Ni-MOF …

X-ray computed tomography instrument performance evaluation, Part I: Sensitivity to detector geometry errors

July 11, 2019

Author(s)

Balasubramanian Muralikrishnan, Katharine M. Shilling, Steven D. Phillips, Wei Ren, Vincent Lee, Felix H. Kim

… tomographic reconstruction method. In Part II of this work, we discuss optimal placement of spheres so …

WIND EFFECTS ON A TALL BUILDING WITH SQUARE CROSS SECTION AND MID-SIDE BASE COLUMNS: A DATABASE- ASSISTED DESIGN APPROACH

March 6, 2019

Author(s)

Sejun Park, Dat Duthinh, Emil Simiu, DongHun Yeo

… procedures to compare responses to (i) corner winds and (ii) face winds of a high-rise building of square …

Citicorp Building repairs revisited: answers to a fateful question asked by an undergraduate student forty years ago

December 3, 2018

Author(s)

Dat Duthinh

… procedures to compare responses to (i) corner winds and (ii) face winds of a high-rise building of square …

Comparing sulfidation kinetics of silver nanoparticles in simulated media using direct and indirect measurement methods

November 14, 2018

Author(s)

Jingyu Liu, Fan Zhang, Andrew J. Allen, Aaron Johnston-Peck, John M. Pettibone

… rely on either i) direct measurement of free sulfide, or ii) monitor the free Ag+ available in solution over time in …

A new realization of SI for organic chemical measurement: NIST PS1 Primary Standard for quantitative NMR (Benzoic Acid)

July 30, 2018

Author(s)

Michael A. Nelson, Jason F. Waters, Blaza Toman, Brian E. Lang, Alexander R?ck, Kathrin Breitruck, Markus Obkircher, Anthony Windust, Katrice A. Lippa

… (i) unambiguous identification of chemical structure; (ii) determinations of isotopic composition and molecular …

Structure-Property Relationships at Nafion Thin-Film Interfaces: Thickness Effects on Hydration and Anisotropic Ion Transport

April 3, 2018

Author(s)

Steven C DeCaluwe, Andrew M. Baker, Pavan Bhargava, John E. Fischer, Joseph Dura

… regime ( < 12 nm), the entire film consists of lamellae; (ii) in the thin-film regime (12–42 nm), a non-lamellar …

Influence of Aggregate Characteristics on Concrete Performance

May 16, 2017

Author(s)

Dale P. Bentz, Scott Z. Jones, Paul E. Stutzman, Joshua Arnold, Michael Boisclair, Paul Rothfeld, Jussara Tanesi, Haejin Kim, Jose Munoz, Mengesha Beyene

… concrete mixture was based on a 100 % ordinary Type I/II portland cement (OPC), while the second consisted of a …

First-principles phase diagram calculations for the rocksalt-structure quasibinary systems TiN-ZrN, TiN-HfN and ZrN-HfN

December 2, 2016

Author(s)

Z.T. Liu, Benjamin P. Burton, S. V. Khare, D. Gall

… 1-x)Zr(sub x)N and 900 K for the Ti(Sub 1-x)Hf(sub x)N. (ii) The formation energy (deltaE(sub f) of the random solid …

Chemical kinetic model uncertainty minimization through laminar flame speed measurements

July 25, 2016

Author(s)

Okjoo Park, Peter S. Veloo, David Sheen, Yujie Tao, Fokion N. Egolfopoulos, Hai Wang

… in a reaction model for foundation fuels. The USC Mech II kinetic model was chosen as a case study. The method of …

Quantifying the Heterogeneous Dynamics of a Simulated Dipalmitoylphosphatidylcholine (DPPC) Membrane

June 16, 2016

Author(s)

Jack F. Douglas, Neha Shafique, Francis W. Starr

… that are transiently trapped by their neighbors, and (ii) lipids with relatively large displacements on the scale …

Glycan Analysis of NIST mAb Reference Material

October 15, 2015

Author(s)

John E. Schiel, Catherine A. Mouchahoir

… glycans which usually requires orthogonal technologies (ii) characterisation of the glycans by type to provide …

Determination of the Effective Transverse Coherence of the Neutron Wave Packet as Employed in Reflectivity Investigations of Condensed-Matter Structures. I. Measurements

March 27, 2014

Author(s)

Charles F. Majkrzak, Christopher Metting, Brian B. Maranville, Joseph A. Dura, Sushil K. Satija, Terrence J. Udovic, Norman F. Berk

… according to the theoretical picture presented in Part II.) Each grating was fabricated by lift-off …

Ternary Blends for Economical and Environmentally Friendly Concretes

July 31, 2013

Author(s)

Dale P. Bentz, Jussara Tanesi, Ahmad Ardani

… either Class C or Class F fly ash, and either Type I/II or Type III portland cement. Mixtures that replace 40 % to …

Recent progress in spectroscopy of tungsten

May 20, 2011

Author(s)

Alexander Kramida

… of radiative lifetimes and transition probabilities of W II and W III. A few tens of theoretical studies of tungsten …

Design and Performance of the New NIST Hybrid Humidity Generator

June 1, 2009

Author(s)

Christopher W. Meyer, W Wyatt Miller, Dean C. Ripple, Gregory E. Scace

… replaced the Two-Pressure (2-P) Humidity Generator Mark II as the NIST primary humidity generation standard for …