Skip to main content
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 1026 - 1050 of 1415

Optical-Clock-Based Time Scale

October 30, 2019
Author(s)
Jian Yao, Jeffrey A. Sherman, Tara M. Fortier, Andrew D. Ludlow, Holly Leopardi, Thomas E. Parker, William F. McGrew, Scott A. Diddams, Judah Levine
… months, attaining a fractional frequency uncertainty of 1.4x10−16 at 30 days and reaching the 10−17 decade at 50 …

Anisotropic Spin Fluctuations in Detwinned FeSe

July 1, 2019
Author(s)
Tong Chen, Youzhe Chen, Andreas Kreisel, Xingye Lu, Astrid Schneidewind, Yiming Qiu, J. T. Park, Toby G. Perring, J. Ross Stewart, Huibo Cao, Rui Zhang, Yu Li, Yan Rong, Yuan Wei, Brian M. Andersen, P. J. Hirschfeld, Collin L. Broholm, Pengcheng Dai
… four-fold rotational symmetry in the iron plane [Fig. 1(a)] [1-4]. Although this phase in FeSe is established below a … [10-12], or hidden magnetic quadrupolar order [13,14]. Here we use inelastic neutron scattering (INS) on …

Retention behavior of isomeric polycyclic aromatic sulfur heterocycles in gas chromatography on stationary phases of different selectivity

January 10, 2017
Author(s)
Walter B. Wilson, Lane C. Sander, Jorge O. Ona Ruales, Leonard M. Sidisky, Milton Lee, Stephen A. Wise
… were investigated for the following four isomer sets: (1) 4 three-ring molecular mass (MM) 184 Da PASHs, (2) 13 … for retention on the 50% phenyl vs L/B ranged from r = 0.14 (MM 258 Da) to r = 0.59 (MM 284 Da). Several correlation …

Double Quantum Dot Floquet Gain Medium

November 7, 2016
Author(s)
Jacob M. Taylor, Michael Gullans, Jason Petta, J. Stehlik, Yinyiu Liu, Christopher Eichler, T Hartke, X Mi
A qubit coupled to a microwave resonator allows the study of fundamental light-matter interactions at the level of single photons1. The paradigm of circuit quantum electrodynam- ics (cQED) enables the generation of classical and non-classical light2–5

Tolerance Specification and Related Issues for Additively Manufactured Products

August 12, 2015
Author(s)
Gaurav Ameta, Robert R. Lipman, Paul W. Witherell, Shawn P. Moylan
Additive manufacturing (AM) has gained increased attention in the last decade as a versatile manufacturing process for customized products. AM process can create complex free-form shapes, internal cavities and lattices, which are either not feasible or

Hierarchical Structure and Dynamics of an Ionic Liquid 1-Octyl-3-methylimidazolium Chloride

August 3, 2011
Author(s)
Osamu Yamamuro, Takeshi Yamada, Maiko Kofu, Masamichi Nakakoshi, Michihiro Nagao
… quasielas- tic scattering measurements of an ionic liquid 1-octyl-3-methylimidazolium chloride (C8mimCl). The heat … and inter-alkyl-chain correlations appeared at (3, 11, and 14) nm -1 , respec- tively. The temperature dependence of these peaks … Hierarchical Structure and Dynamics of an Ionic Liquid 1-Octyl-3-methylimidazolium Chloride …

NIST 16C. NACE/NIST Corrosion Performance Databases - Metals and Nonmetals

October 16, 2008
Author(s)
C P. Sturrock
… alloy groupings has been expanded to 37 to accommodate the 14% silicon cast irons, which had been dropped from the fifth … and nickel-chromium-molybdenum group. There are nearly 1,000 corrosive environments represented in the metals … < 0.05 mm/y ( < 2 mpy), < 0.508 mm/y ( < 20 mpy), 0.0508-1.27 mm/y (20-50 mpy), and > 1.27 mm/y (> 50 mpy). …

Improving Survivability in Motor Vehicle Fires

September 5, 2007
Author(s)
Ken H. Digges, Richard Gann, Steve J. Grayson, Marcelo M. Hirschler, Richard E. Lyon, David A. Purser, Jim G. Quintiere, Rody R. Stephenson, Archie Tewarson
… States and the U.S. motor vehicle industry has spent $14 million over the last ten years studying this problem. The …

Encapsulated Chondrocyte Response to Pulsatile Flow Bioreactor

August 16, 2006
Author(s)
James A. Cooper, W Li, L A. Bailey, Steven D. Hudson, Sheng Lin-Gibson, Kristi S. Anseth, Rocky Tuan, N Washburn
… dimethacrylate (PEGDM) hydrogel and cultured for 7 d, 14 d and 21 d at flow rates of 15 mL/min and 17 mL/min and …
Displaying 1026 - 1050 of 1415
Was this page helpful?