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Displaying 1351 - 1375 of 1910

Buoyant Turbulent Jets and Flames. Part 3. Round Turbulent Nonbuoyant Starting Jets and Puffs and Buoyant Starting Plumes and Thermals. Annual Report.

October 1, 1999

Author(s)

R Sangras, Z Dai, G M. Faeth

… behavior generally observed at distances greater than 20-30 source diameters from the source. Within the …

Non-Uniquenes of the ITS-90 From 13.8033 K to 24.5561 K

June 1, 1999

Author(s)

Christopher W. Meyer, Gregory F. Strouse, Weston L. Tew

The International Temperature Scale of 1990 (ITS-90) is defined in the region 3.0 K to 24.5561 K by an interpolating constant volume gas thermometer (ICVGT) that is calibrated at three specified fixed points. From 13.8033 K to 1234.93 K the ITS-90 is

Effect of Powder Grinding on Hydroxyapatite Formation in a Polymeric Calcium Phosphate Cement Prepared from Tetracalcium Phosphate and Poly[Methyl Vinyl Ether-Maleic Acid]

November 1, 1998

Author(s)

Y Matsuya, S Matsuya, Joseph M. Antonucci, S. Takagi, Laurence C. Chow, A Akamine

The primary aim of this study was to determine if cement based on poly(methyl vinyl ether-maleic acid) (PMVE-Ma) and tetracalcium phosphate (TTCP) resulted in hydroxyapatite (OHAp) formation. In addition, the mechanical strength of this type of polymeric

Analysis of High Bay Hangar Facilities for Detector Sensitivity and Placement

May 20, 1996

Author(s)

Kathy A. Notarianni, J E. Gott

… aircraft hangars. Previous studies conducted in 15 m and 30.5 m hangars used isopropyl alcohol, involved only one fire …

Toward Accurate Linewidth Metrology Using Atomic Force Microscopy and Tip Characterization

May 1, 1996

Author(s)

Ronald G. Dixson, J Schneir, T Mcwaid, N. Sullivan, V W. Tsai, S Zaidi, S Brueck

… yielded good with uncertainties below the level of 30 nm (2sd). …

Effect of CF3H and CF3Br on Laminar Diffusion Flames in Normal and Microgravity

October 16, 1995

Author(s)

B. A. VanDerWege, M T. Bush, S Hochgreb, Gregory T. Linteris

… fractions of 4% to 12%, oxygen mole fractions from 18% to 30%, and ambient pressures of 101 kPa and 25 kPa. Additional …

Fire Performance of an Interstitial Space Construction System (NISTIR 5560)

February 1, 1995

Author(s)

James R. Lawson, E Braun, Laurean A. DeLauter, G Roadarmel

… assembly was evaluated for a total of 2 hours and 30 minutes before the test was terminated. …

NIST micronutrients measurement quality assurance program winter 2009 comparability studies : results for round robin LXV fat-soluble vitamins and carotenoids in human serum and round robin 30 ascorbic acid in human serum:

April 1, 2013

Author(s)

David L. Duewer, Jeanice B. Thomas

… vitamins and carotenoids in human serum and round robin 30 ascorbic acid in human serum: …

Strain Mediated Voltage Control of Magnetic Anisotropy and Magnetization Reversal in Bismuth Substituted Yttrium Iron Garnet Films and Meso-structures

November 21, 2025

Author(s)

Walid Al Misba, Miela Gross, kensuke hayashi, Daniel Gopman, Caroline Ross, Jayasimha Atulasimha

… Voltage-control of magnetization reversal fields in (5 – 30) µm wide dots and racetracks show potential for energy …

High-Glide Refrigerant Blends in High-Temperature Heat Pumps: Part 2 - Inline Composition Determination for Binary Mixtures

May 10, 2024

Author(s)

Leon Brendel, Silvan Bernal, Carl Hemprich, Aaron Rowane, Ian Bell, Dennis Roskosch, Cordin Arpagus, Andre Bardow, Stefan Bertsch

… and heat pumps. However, mixtures with high glides of 30 K and more during evaporation are rare, partially because …

Microstructural effects on the rotating bending fatigue behavior of Ti-6Al-4V produced via laser powder bed fusion with novel heat treatments

April 30, 2024

Author(s)

Nicholas Derimow, Jake Benzing, David Newton, Chad Beamer, Ping Lu, Frank DelRio, Newell Moser, Orion Kafka, Ryan Fishel, Lucas Koepke, Chris Hadley, Nik Hrabe

… originated from the same PBF-L build, such that there were 30 tests per condition. After HIP treatment, the specimens …

A Spatial Temporal Graph Neural Network Model for Predicting Flashover in Arbitrary Building Floorplans

August 3, 2022

Author(s)

Wai Cheong Tam, Eugene Yujun Fu, Jiajia Li, Xinyan Huang, Jian Chen, Michael Xuelin Huang

… prediction models and it can reliably predict flashover 30 seconds preceding its occurrence with an overall accuracy …

Assessing reproducibility of inherited variants detected with short-read whole genome sequencing

January 4, 2022

Author(s)

Justin Zook, Huixao Hong, Bohu Pan, Chunlin Xiao, Leming Shi

… indel reproducibility but has limited impact on SNVs above 30×. Conclusions Our findings highlight sources of …

Absolute radiation pressure detector using a diamagnetically levitating test mass

October 28, 2021

Author(s)

Anna Vaskuri, Daniel Rahn, Paul A. Williams, John H. Lehman

… and a lock-in amplifier in the feedback loop to attain a 30 mWrms noise. A horizontally directed laser beam impinges …

Assessing the Quality of As-Received 4340 Steel for the Production of NIST Charpy Reference Specimens

September 15, 2021

Author(s)

Enrico Lucon, May Ling Martin

… grain size can clearly differentiate between acceptable (30 µm – 40 µm) and unacceptable (60 µm – 70 µm) heats, and …

Total protein quantitation using the bicinchoninic acid (BCA) assay and gradient elution moving boundary electrophoresis (GEMBE)

September 8, 2021

Author(s)

Jason Kralj, Matt S. Munson, David J. Ross

We investigated using gradient elution moving boundary electrophoresis (GEMBE) and capacitively- coupled contactless conductivity detection (C4D) to assay total protein concentration using the BCA reaction. We chose this format because GEMBE is

NIST Contribution to the ASTM E08.07.06 Round Robin on Determining the Master Curve Reference Temperature, T0,X, at Elevated Loading Rates (ILS #1547)

July 15, 2021

Author(s)

Enrico Lucon

… the tests were performed at actuator displacement rates (30 mm/s-40 mm/s) that turned out to be too high for the …

Experimental study of shear and tensile properties of LIGA Ni-Fe and Ni-Co alloys at quasi-static and intermediate strain rates

April 1, 2021

Author(s)

Li-Anne Liew, David T. Read, May Martin, Todd R. Christenson, Peter E. Bradley, Nicholas Barbosa, Frank W. DelRio, John T. Geaney, Jeffrey Smyth

… to fracture for each material, at strain rates 0.001/s and 30/s. Tensile tests were also performed on both materials at …

In Situ Examination of Engineered Local Additives in Cement Paste via Neutron-Based Scattering Techniques

May 20, 2020

Author(s)

Kunal Kupwade-Patil, Ali Bumajdad, Terrence J. Udovic, Kenneth Littrell, Oral Buyukozturk

… to Surface Fractal clearly showed that greater than 30% substitution of volcanic ash leads to unreacted volcanic …

Nanopore sequencing and the Shasta toolkit enable efficient de novo assembly of eleven human genomes

May 4, 2020

Author(s)

Justin M. Zook, Kishwar Shafin, Trevor Pesout, Ryan Lorig-Roach, Marina Haukness, Hugh E. Olsen, Miten Jain, Benedict Paten

… to more than 99.9% identity (Phred quality score QV = 30) with nanopore reads alone. Addition of proximity-ligation …

Frequency stability of the mode spectrum of broad bandwidth Fabry-Perot interferometers

April 27, 2020

Author(s)

Jeffrey M. Jennings, Ryan C. Terrien, Connor Fredrick, Michael Grisham, Mark Notcutt, Samuel Halverson, Suvrath Mahadevan, Scott Diddams

… 1300 nm, with nominal free spectral ranges of 20 GHz and 30 GHz respectively. These instruments are intended to …

Shock Measurements Based on Pendulum Excitation and Laser Doppler Velocimetry: Primary Calibration by SI-Traceable Distance Measurements

April 10, 2020

Author(s)

Muhammad Afridi, Jon Geist, Michael Gaitan

… velocimeter for impact accelerations ranging from 2000 to 30,000 m/s2. The results of the independent …

The Thermal Character of a 1 m Methanol Pool Fire

February 27, 2020

Author(s)

Kunhyuk Sung, Jian Chen, Matthew Bundy, Marco G. Fernandez, Anthony Hamins

… fire was 1371 K ± 247, which occurred on the centerline, 30 cm above the burner rim. The results showed that the …

Review of Smart Grid Standards for Testing and Certification Landscape Analysis

April 29, 2019

Author(s)

Yuyin Song, Cuong T. Nguyen, Avi M. Gopstein

The National Institute of Standards and Technology (NIST) Smart Grid Program seeks to accelerate the development of conformity assessment or testing and certification (T&C) programs for smart grid interoperability standards to ensure that the

The effect of rough vs. smooth aggregate surfaces on the characteristics of the interfacial transition zone around a single spherical aggregate

March 6, 2019

Author(s)

Edward Garboczi, Kai Lyu, Wei She, Changwen Miao

… the surface roughness and the ITZ porosity gradient within 30 m of the aggregate surface was analyzed with the …

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