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Radiochromic Film

December 31, 2009

Author(s)

Christopher G. Soares, Sameul Trichter, Slobodan Devic

… for applications in medical dosimetry. In the last 20 years, however, a new class of coloration detectors in the …

Sources of Differences in On-Orbit Total Solar Irradiance Measurements

July 13, 2009

Author(s)

James J. Butler, R Barnes, B. Carol Johnson, Joseph P. Rice, Eric L. Shirley

… on-orbit Total Solar Irradiance (TSI) measurements. On 18-20 July 2005, a workshop was held at the National Institute …

Comparison of Nanoscale Measurements of Strain and Stress using Electron Back Scattered Diffraction and Confocal Raman Microscopy

December 12, 2008

Author(s)

Mark D. Vaudin, Yvonne B. Gerbig, Stephan J. Stranick, Robert F. Cook

… patterns recorded along a line crossing the mid point of a 20 µm by 2 µm wedge indentation in Si allowed the distortion …

Infrared responsivity of a pyroelectric detector with a single wall carbon nanotube coating

July 22, 2008

Author(s)

John H. Lehman, Evangelos Theocharous, Chaiwat Engtrakul, Anne Dillon

… nanotube (SWCNT) coating was evaluated in the 0.8 µm to 20 µm wavelength range. The relative spectral responsivity of …

Kinematics Viscosity of Several Gases at Temperatures Between 220 K and 375 K, and Pressures up to 3.4 MPa Determined From a Greenspan Acoustic Viscometer

July 18, 2007

Author(s)

Andres Estrada-Alexanders, John J. Hurly

… and quality factors for the Helmholtz mode are as low as 20 or less. …

Laser Cooling Transitions in Atomic Erbium

April 18, 2005

Author(s)

H Ban, M Jacka, James L. Hanssen, Joseph Reader, Jabez J. McClelland

… for the 4f 11 ( 4 I o 15/2 )5d 5/2 6s 2 (15/2, 5/2) 7 o state at 11888 cm -1 and the 4f 11 ( 4 I o 13/2 )5d 3/2 6s 2 (13/2, 5/2) 7 o state at 15847 cm -1 showing values of 20 plus or minus} 4 υs and 5.6 plus or minus} 1.4 υs, …

Realizing and Disseminating the SI Micronewton With the Next Generation NIST Electrostatic Force Balance

October 1, 2004

Author(s)

Richard Seugling, David B. Newell, John A. Kramar, Jon R. Pratt

… between deadweight and electrical forces at levels of 20 microN and 200 microN in a 1000 micro Pa vacuum …

Spatial and Angular Responsivity Measurements of Photoconductive HgCdTe LWIR Radiometers

June 1, 2004

Author(s)

H Gong, Leonard Hanssen, George P. Eppeldauer

… for irradiance responsivity measurements in the 3 m to 20 m sensitivity range of these working standard devices. …

Optimal spectral region for real-time monitoring of sub-ppm levels of water in phosphine using cavity ring-down spectroscopy

January 1, 2004

Author(s)

Susan Y. Lehman, Kristine A. Bertness, Joseph T. Hodges

… at 10687.36 cm -1 was measured to be 58 ' 6 MHzkPa -1 (0.20 ' 0.02 cm -1 atm -1 ) for water in phosphine (PH 3 ). This …

PVTx and Isochoric Heat Capacity Measurements for Aqueous Methanol Solutions

November 1, 2003

Author(s)

M M. Aliev, Joe W. Magee, I M. Abdulagatov

… ranged from 333 K to 422 K, and pressures ranged to 20 Mpa. The calorimetric-cell (70 cm3 capacity) was …

Quantum Yield of the Iodide/Iodate Chemical Actinometer: Dependence on Wavelength and Concentration

August 1, 2003

Author(s)

R O. Rahn, M I. Stefan, J R. Bolton, E Goren, Ping-Shine Shaw, Keith R. Lykke

… to measure the irradiance. Thesresults showed a 20% reduction in QY between 240 run and 280 mn as compared …

Formation and Growth of Intermetallics at the Interface Between Lead-Free Solders and Copper Substrates

June 16, 2003

Author(s)

Thomas A. Siewert, Juan C. Madeni, S X. Liu

… circuit board) weresubjected to e@-ag'm-g tests for 20, 100, 200, and 500 hours at 70, 100, and 150 'C. Also, the …

Cement and Concrete Reference Laboratory: Promoting Quality in Laboratory Testing

November 1, 2002

Author(s)

J H. Pielert

In the early part of the 20th century, a number of organizations including ASTM, the National Institute of Standards and Technology (NIST), and the Portland Cement Association collaborated in activities to improve and standardize specifications and test

Magnetic Anisotropy and Thermal Stability of Ta-pinned Spin Valves

January 1, 2001

Author(s)

R A. Fry, Robert D. McMichael, John E. Bonevich, P J. Chen, William F. Egelhoff Jr., Chang H. Lee

… we find that the structure is stable under cumulative 20 min anneals at 25 C intervals up to 300 C; GMR decreases …

Molar Heat Capacity Cv, Vapor Pressure, and (p, rho,T) Measurements From 92 to 350 K at Pressures to 35 Mpa and a New Equation of State for Chlorotrifluoromethane (R13)

January 1, 2001

Author(s)

Joe W. Magee, Stephanie L. Outcalt, James F. Ely

Measurements of the molar heat capacity at constant volume C v for chlorotrifluoromethane (R13) were conducted using an adiabatic method. Temperatures ranged from 95 to 338 K, and pressures were as high as 35 Mpa. Measurements of vapor pressure were made

Status of Microanalysis Standards at the National Institute of Standards and Technology (NIST)

July 1, 2000

Author(s)

Ryna B. Marinenko

… SRMs that are still available for purchase are W-20%Mo Alloy (SRM 480), Au-Ag Alloys (SRM 481), Au-Cu Alloys …

Performance of a Fast Response Agent Concentration Meter

May 2, 2000

Author(s)

Erik L. Johnsson, George W. Mulholland, Gerald T. Fraser, A Zuban, I I. Leonov

… suppression agents over a concentration range from 1 to 20 % with an expanded uncertainty of f10 % of the nominal …

Shear Strength of High-Strength Concrete Walls and Deep Beams

May 1, 2000

Author(s)

Dat Duthinh

… psi) to 85 MPa (12 000 psi). Strengths as high as 140 MPa (20 000 psi) can be achieved in the laboratory and, on rare …

NIST-BMDO Transfer Radiometer (BXR)

April 1, 2000

Author(s)

Timothy M. Jung, Adriaan C. Carter, Steven R. Lorentz, Raju V. Datla

… flow of liquid helium to maintain temperatures below 20 K. A cryogenic vacuum chamber has been built to house the …

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

… jet exit conditions were as follows: diameters of 3.2-12.7 mm, Reynolds numbers of 1450-11700 and jet/ambient density … 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

… points. Two of the SPRT fixed points (at 17.035 K and 20.27 K) may be realized by using either of two different …

Numerical Study of the Inhibition of Premixed and Diffusion Flames by Iron Pentacarbonyl

January 1, 1999

Author(s)

M D. Rumminger, D Reinelt, Valeri I. Babushok, Gregory T. Linteris

… (0.0, 1.0, and 1.1) and three oxidizer compositions (0.20, 0.21, and 0.24 oxygen mole fraction in nitrogen). For …

Performing Measurement of Surface Structures With the Calibrated Atomic Force Microscope

February 1, 1998

Author(s)

R Koning

… 18 nm to 180 nm) and pitch measurements (from 200 nm to 20 ?m) on commercially available calibration artifacts were …

Performing Measurements of Surface Structures With the Calibrated Atomic Force Microscope

January 1, 1998

Author(s)

R Koning, Ronald G. Dixson, Joseph Fu, V W. Tsai, Theodore V. Vorburger

… 18 nm to 180 nm) and pitch measurements (from 200 nm to 20 um) on commercially available calibration artifacts were …

Horizontal Flow Boiling of Alternative Refrigerants Within a Fluid Heated Micro-Fin Tube.

November 16, 1996

Author(s)

M P. Kaul, Mark A. Kedzierski, David Didion

… alternative refrigerant for R22 having approximately a 20% larger heat transfer coefficient. The degradation of the …

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