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 1 - 25 of 423

Revised analysis of the fifth spectrum of rhenium (Re V)

February 17, 2017
Author(s)
Vladimir I. Azarov, R R. Gayasov
… The spectrum of rhenium was observed in the (500 to 2100) A wavelength … + 5d26s) - 5d26p transition array of four times ionized rhenium, Re V, has been investigated. The configurations 5d3, … atomic spectrum, vacuum ultraviolet, four times ionized rhenium, Re4+. …

Experimental Comparison of Ammonia-Water and Ammonia-Water Lithium Bromide Mixtures in an Absorption Heat Pump

June 1, 1985
Author(s)
Mark O. McLinden, R Radermacher
… operating with ammonia-water and ammonia-water-lithium bromide mixtures is compared. The AHP was designed for the … heat pumps, ammonia, water, lithium, mixtures, absorption, bromide, pressure, temperature refrigerants, experiments, … Comparison of Ammonia-Water and Ammonia-Water Lithium Bromide Mixtures in an Absorption Heat Pump …

Energies, Transition Rates, and Electron Dipole Moment Enhancement Factors for Ce IV and Pr V

October 12, 2021
Author(s)
I Savukov, W R. Johnson, U I. Safronova, M S. Safronova
… factors are calculated for low-lying states of Ce IV and Pr V using relativistic many-body perturbation theory. … to recent investigations of the more complicated Gd IV ion, which is promising for electron EDM experiments. The ions Ce IV and Pr V both have a single valence electron, permitting …

Grain growth and superconductivity of rhenium electrodeposited from water-in-salt electrolytes

February 25, 2020
Author(s)
William Sides, Ehsan Hassani, David P. Pappas, Yang Hu, Tae-Sick Oh, Qiang Huang
… the thickness and annealing process, in electrodeposited rhenium (Re) films is studied in order to understand the … superconductivity, electrodeposited rhenium, Re, electroplated, film preparation conditions, … Grain growth and superconductivity of rhenium electrodeposited from water-in-salt electrolytes …

Enhanced superconducting transition temperature in electroplated rhenium

April 30, 2018
Author(s)
David P. Pappas, Don David, Mustafa Bal, Ilke Arslan, Paul T. Blanchard, Ronald B. Goldfarb, Dustin A. Hite, Hsiang S. Ku, Russell E. Lake, Junling Long, Alexana Roshko, Lee D. Pappas, Britton L. Plourde, Jianguo Wen, Xian Wu, Corey Rae H. McRae
… Gold, Rhenium, Superconductivity, Meissner effect, low loss … superconducting transition temperature in electroplated rhenium …

A Chosen IV Related Key Attack on Grain-128a

July 24, 2013
Author(s)
Subhadeep Banik, Subhamoy Maitra, Santanu (. Sarkar, Meltem Sonmez Turan
… cipher Grain v1 and Grain-128, it is possible to find Key-IV pairs that generate shifted keystreams efficiently. Based … observation, Lee et al. presented a related-Key chosen IV attack on Grain v1 and Grain-128 in ACISP 2008. Later, the … As a result, the existing idea of related-Key chosen IV attack does not work on this new design. In this paper, we …

IREX IV: Part 1, Evaluation of Iris Identification Algorithms

July 11, 2013
Author(s)
George W. Quinn, Patrick J. Grother, Mei L. Ngan, James R. Matey
… IREX IV aims to provide a fair and balanced scientific evaluation … performance of automated iris recognition algorithms. IREX IV evaluated the performance of 66 identification (i.e. … submitted by 12 companies and universities. IREX IV investigated the use of cost models for …

Design and testing of a software feedback loop for RF power leveling

December 12, 2008
Author(s)
Xiaohai Cui, Thomas P. Crowley
… 30 ppm. In this system, a bolometric sensor with a Type IV power meter is used to detect the power. Feedback is … DC substituted power that is caused by loading of the Type IV when it is connected to the Type II. The new leveling … RF power, microwave power, bolometer, Type IV power meter …

Mass Absorption Coefficient of Tungsten for 1600-2100 eV

February 1, 2002
Author(s)
Zachary H. Levine, S Grantham, I McNulty
… and a synchrotron source. This region includes the M IV and M V edges. The two tungsten films had thicknesses of … of tungsten, and some additional constant factors. The M V,IV edges have widths (10%-90% after backgroundsubtraction) of … M-sub-IV edge, M-sub-V edge, mass absorption coefficient, tungsten …

Mass Absorption Coefficient of Tungsten, 1600 eV to 2100 eV

January 24, 2002
Author(s)
Zachary H. Levine, S Grantham, I McNulty
… and a synchrotron source. This region includes the M IV and M V edges. The two tungsten films had thicknesses of … of tungsten, and some additional constant factors. The M V,IV edges have widths (10%-90% after backgroundsubtraction) of … M-sub-IV edge, M-sub-V edge, mass absorption coefficient, tungsten …

Mass Absorption Coefficient of Tungsten, 1606-2100 eV

January 1, 2002
Author(s)
Zachary H. Levine, S Grantham, I McNulty
… and a synchrotron source. This region includes the M IV and M V edges. The two tungsten films had thicknesses of … of tungsten, and some additional constant factors. The M V,IV edges have widths (10%-90% after backgroundsubtraction) of … M-sub-IV edge, M-sub-V edge, mass absorption coefficient, tungsten …

The Discovery of Type-IV Binary Fluid Phase Behavior

October 16, 2008
Author(s)
Johanna Levelt Sengers
… mixture for constant excluded volume uncovered the Type-IV phase diagram as a transition between Type-II and Type-III … meets the common boundary of regions of Type-II and Type-IV at what Meijer coined the Van Laar point in 1989. As early … explicitly. He postulated and proved the existence of Type-IV. Aspects of his proof are discussed. …

IREX IV: Part 2 Compression Profiles for Iris Image Compression

January 23, 2014
Author(s)
George Quinn, Patrick Grother, Mei Ngan, Nick Rymer
… The IREX IV evaluation builds upon IREX III as a performance test of … recognition. This report is the second part of the IREX IV evaluation, which specifically, evaluates the ability of … IREX IV: Part 2 Compression Profiles for Iris Image Compression …

Crystal Structure of the Class IV Adenylyl Cyclase From Yersinia Pestis

March 1, 2006
Author(s)
N Smith, Sung Kim, Prasad T. Reddy, David T. Gallagher
… ABSTRACT: The crystal structure of the class IV adenylyl cyclase from Yersinia pestis is reported at 1.9 resolution. The class IV fold is distinct from the previously described folds for class II and class III ACs. The dimeric Yp AC-IV folds into an antiparallel 8-stranded barrel whose …

Long-term peat organic matter stability influenced by botanical composition and oceanic bromide inputs

December 3, 2025
Author(s)
Bruce Ravel, Iris Parke, Ashley Pavia, Paul Northrup, Alessandra Leri, Julie Loisel, Yina Liu
… with sea level through this period, suggesting that lower bromide deposition in these rain-fed ecosystems yielded less … of plant community composition as well as oceanic bromide inputs on the long-term stability of peat OM. … stability influenced by botanical composition and oceanic bromide inputs …

Extension and new level optimization of the Ne IV spectrum

January 13, 2012
Author(s)
Alexander Kramida, C M. Brown, Uri Feldman, Joseph Reader
… These spectra provided 33 newly identified lines of Ne IV and improved measurements of additional 58 lines in this … in the literature, we derived 45 new energy levels of Ne IV and significantly improved the accuracy of most of the … Extension and new level optimization of the Ne IV spectrum …

Intricate Resonant Raman Response in Anisotropic ReS2

August 18, 2017
Author(s)
Amber McCreary, Jeffrey R. Simpson, Yuanxi Wang, Daniel Rhodes, Kazunori Fujisawa, Luis Balicas, Madan Dubey, Vincent H. Crespi, M. Terrones, Angela R. Hight Walker
… Rhenium disulfide is an exciting material due to its strong … Rhenium disulfide, ReS2, polarization, Raman, laser …

Report on the Static Analysis Tool Exposition (SATE) IV

February 4, 2013
Author(s)
Vadim Okun, Aurelien M. Delaitre, Paul E. Black
… conducted the fourth Static Analysis Tool Exposition (SATE IV) to advance research in static analysis tools that find … The results and experiences were reported at the SATE IV Workshop in McLean, VA, in March, 2012. The tool reports … Report on the Static Analysis Tool Exposition (SATE) IV …
Displaying 1 - 25 of 423
Was this page helpful?