U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 201 - 225 of 241

Atomic Engineering of Spin Valves Using Ag as a Surfactant

June 1, 2001
Author(s)
D X. Yang, B Shashishekar, H D. Chopra, P J. Chen, William F. Egelhoff Jr.
… In this study, de magnetron sputtered NiO (50 nm)/Co (2.5 nm)/Cu (1.5 nm)/Co(3.0 nm) bottom spin valves were … thickness of 1.5 nm, a strong positive coupling > 13.92 kA/m (> 175 Oe) between NiO-pinned and free Co layers …

Suppression of Engine Nacelle Fires (NIST SP 890)

November 1, 1995
Author(s)
Anthony P. Hamins, Thomas G. Cleary, P. Borthwick, N Gorchkov, Kevin B. McGrattan, Glenn P. Forney, William L. Grosshandler, Cary Presser, L Melton
… Section is broken into several subsections. In Section 9.2, a description of the range of parameters which …

Influence of Hard/Soft Layer Ordering on Magnetization Reversal of Bimagnetic Nanoparticles: Implications for Biomedical/Theranostic Applications

June 14, 2023
Author(s)
Corisa Kons, Kathryn L. Krycka, Joshua Robles, Nikolaos Ntallis, Manuel Pereiro, Manh-Huong Phan, Hariharan Srikanth, Julie A. Borchers, Dario A. Arena
… where the magnetically hard, high anisotropy layer is CoFe 2 O 4 (CFO) while the lower anisotropy material is Fe 3 O 4 (FO). The nanoparticles have a mean diameter of ∼9.2 - 9.6 nm and are synthesized as two variants: a … Fe 3 O 4 core reverses before the higher anisotropy CoFe 2 O 4 shell, consistent with expectations from micromagnetics …

Multivariate Flexible Framework with High Usable Hydrogen Capacity in a Reduced Pressure Swing Process

April 12, 2023
Author(s)
Arijit Halder, Ryan Klein, Sarah Shulda, Gavin McCarver, Philip Parilla, Hiroyasu Furukawa, Craig Brown, C. Michael McGuirk
… change behavior of a flexible framework. In this work, 2–methyl–5,6–difluorobenzimidazolate was solvothermally … into the known framework CdIF-13 (sod–Cd(benzimidazolate)2), resulting in the mul-tivariate framework … a mild pressure swing process above 1 wt%, representing 85–92% of the total capacities. This work demonstrates that the …

Experiments and Exergy Analysis for a CO2 Ground-Source Heat Pump in Cooling Mode

November 1, 2021
Author(s)
Harrison M. Skye, Wei Wu
… SHR was 0.81. For the 'Part-load' conditions the COP was 4.92, the total capacity was 7240 W, the sensible capacity was … with ELT ranging (10 to 36.8) °C, where COP ranged (7.3 to 2.4). Compressor efficiency correlations were shown for these … net effect of the LLSL-HX was a COP penalty of about (1 to 2) % for ELTs ranging (10 to 25) °C, and a benefit of (0 to …

Fire Structure Interface for the World Trade Center Towers

February 19, 2017
Author(s)
Kuldeep Prasad, Howard R. Baum
… and core columns as well as the concrete slab on floors 92-99 of the North Tower and floors 78-83 of the South Tower. … Four global simulations, two each for WTC 1 and WTC 2 are reported for prediction of thermally induced structural …

Contemporary Fraction of bis(2-ethylhexyl) Phthalate in Stilton Cheese by Accelerator Mass Spectrometry

May 17, 2013
Author(s)
Michael A. Nelson, John M. Ondov, Michael C. VanDerveer, Bruce A. Buchholz
… Measurements of the 14C abundance in five samples of bis(2-ethylhexyl) phthalate (DEHP) isolated from Stilton cheese … standards and isolates. These ranged from 88.0 ± 1.8% to 92.3 ± 1.1 %. Concurrently processed isolation method blanks … Contemporary Fraction of bis(2-ethylhexyl) Phthalate in Stilton Cheese by Accelerator Mass …

Physical properties of Al doped Ba hexagonal ferrite thin films

January 22, 2013
Author(s)
Harward Ian, Yan Nie, Daming Chen, Josh Baptist, Justin Shaw, Eva J. Liskova, Stefan Visnovsky, Petr Siroky, Michal Lesnak, Jaromir Pistora, Zbigniew Celinski
… thin film BaAl x Fe 12-x O 19 samples, x ranging from 0 to 2 in 0.25 steps, were deposited on Pt templates using a … loops have a high squareness ratio, i}s, in the 0.83-0.92 range. As expected, the anisotropy field increases with x, ranging from 1.34 to 2.19 x 10 6 A/m (16.9-27.5 kOe) for (I}x=0-2, while the …

Theory of Bright Field Scanning Transmisison Electron Microscopy for Tomography

February 1, 2005
Author(s)
Zachary H. Levine
… scattering regime. The signal varies as 1/(t \ln exp(1-2 gamma t/tau)) where t is the path length of the beam, tau … From the elastic scattering cross sections of the first 92 elements, a singular value decomposition of a vector space … mode, with composition-dependent corrections of about 2 %. A mathematically correct reconstruction procedure beyond …

Effect of Micellar Morphology on the Temperature-Induced Structural Evolution of ABC Polypeptoid Triblock Terpolymers into Two-Compartment Hydrogel Network

June 28, 2024
Author(s)
Naisheng Jiang, Tianyi Yu, Meng Zhang, Bailee Barrett, Haofeng Sun, Jun Wang, Ying Luo, Garrett Sternhagen, Sunting Xuan, Guangcui Yuan, Elizabeth Kelley, Shuo Qian, Peter Bonnesen, Kunlun Hung, Donghui Zhang
… A block, such as A101M111D21 and A43M92D9, elongated nonspherical micelles with a crystalline D core were observed …

Effect of Micellar Morphology on the Temperature-Induced Structural Evolution of ABC Polypeptoid Triblock Terpolymers into Two-Compartment Hydrogel Network

June 28, 2024
Author(s)
Naisheng Jiang, Tianyi Yu, Meng Zhang, Bailee Barrett, Haofeng Sun, Jun Wang, Ying Luo, Garrett Sternhagen, Sunting Xuan, Guangcui Yuan, Elizabeth Kelley, Shuo Qian, Peter Bonnesen, Kunlun Hong, Dongcui Li, Donghui Zhang
We investigated the temperature-dependent structural evolution of thermoreversible triblock terpolypeptoid hydrogels, namely poly(N-allyl glycine)-b-poly(N-methyl glycine)-b-poly(N-decyl glycine) (AMD), using small-angle neutron scattering (SANS) with

The Influence of Proteoforms: Assessing the Accuracy of Total VDBP Quantification by Proteolysis and LC-MS/MS

October 24, 2022
Author(s)
Lisa Kilpatrick, Roger Bouillon, Clay Davis, Clark Henderson, Andrew N. Hoofnagle, Steven Pauwels, Dirk Vanderschueren, Etienne Waelkens, Hans Wildiers, James H. Yen, Karen W. Phinney
… were found to give reproducible concentrations [≤ 2.7% coefficient of variation (CV)] and linear instrument … amino acid analysis (AAA) of purified proteoforms had ≤ 1.92% CV. SRM 1950, containing multiple proteoforms, quantified …
Displaying 201 - 225 of 241
Was this page helpful?