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Displaying 876 - 900 of 2521

Large Eddy Simulation of Wind Loads on a Low-Rise Structure and Comparison with Wind Tunnel Results

July 2, 2012

Author(s)

isam janajreh, Emil Simiu

… several taps on the roof of a 1/200 model of a 200 x 100 x 20 ft low-rise building with a 1/24 slope gable roof …

Friedel-like Oscillations from Interstitial Iron in Superconducting Fe 1+y Te 0.62 Se 0.38

March 7, 2012

Author(s)

V. Thampy, J. Kang, Jose Rodriguez Rivera, W. Bao, A. T. Savici, J. Hu, T. J. Liu, B. Qian, D. Fobes, Z. Q. Mao, C. B. Fu, Wangchun Chen, Q. Ye, Ross Erwin, Thomas R. Gentile, Z. Tesanovic, Collin L. Broholm

… magnetic Friedel-like oscillation that idffracts at Q = (1⁄20) and involves greater than}50 neighboring Fe sites. The …

Testing Passive UHF Tag Performance Evolution

September 15, 2011

Author(s)

Daniel G. Kuester, David R. Novotny, Jeffrey R. Guerrieri, Zoya Popovic

… of power harvesting and backscattering performance from 20 samples of passive tags across 860-960MHz. The population …

Superconducting nanowire single-photon detector in an optical stack for front-side illumination

November 12, 2009

Author(s)

Burm Baek, Jeffrey A. Stern, Sae Woo Nam

… enhanced optical absorptance of 73% in comparison with 20% in a typical bare nanowire device at 1550 nm and 3 K. Our …

Stress-Intensity Factor and Toughness Measurement at the Nanoscale using Confocal Raman Microscopy

July 12, 2009

Author(s)

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

… techniques enable stress resolution of approximately 20 MPa at spatial resolution of approximately 100 nm. Micro- …

Microfluidic Mixer for Polymer Melts

June 22, 2009

Author(s)

Doyoung Moon, Kalman D. Migler

… when a limited material quantity (typical sample size ≈ 20 µL) is available. …

Guidelines for Writing Clear Instructions and Messages for Voters and Poll Workers

June 5, 2009

Author(s)

Janice (Ginny) Redish, Sharon J. Laskowski

… devices, or any other medium. This document includes 20 guidelines for clear ballot instructions for both paper …

A Scalable Platform for Integrating Horizontal Nanochannels with Known Registries to Microchannels

December 8, 2008

Author(s)

Babak Nikoobakht

… average pore size to an unprecedented range of 5 nm to 20 nm. It is shown that nanochannels with different but …

Surface Effects on the Elastic Modulus of Te Nanowires

June 17, 2008

Author(s)

Gheorghe Stan, Sergiy Krylyuk, Albert Davydov, Mark D. Vaudin, Leonid A. Bendersky, Robert F. Cook

… been performed on Te nanowires with diameters in the range 20 150 nm. By using contact resonance atomic force …

Documentation and Assessment of the Transport Property Models Implemented in NIST REFPROP (Version 8.0)

June 1, 2008

Author(s)

Justin C. Chichester, Marcia L. Huber

… by Ely and Hanley (Ind. Eng. Chem. Fundam., 1981, 20:323-332). We apply the model to selected mixtures …

A z-component magneto-resistive sensor

April 8, 2008

Author(s)

Fabio C. da Silva, Sean Halloran, Lu Yuan, David P. Pappas

… with a footprint of less 0.01 mm2 and a noise floor of 20 nT at 1 Hz. …

Light Force in Ultracold Photoassociation

January 26, 2007

Author(s)

Eduardo Gomez, A T. Black, Lincoln Turner, Eite Tiesinga, Paul D. Lett

… of large total angular momentum at high intensities (above 20 kW/cm2). Such transitions are generally suppressed at …

A Measurement of Propagation Delay

January 16, 2007

Author(s)

Donald R. Larson, Nicholas Paulter

… ps (95 % confidence interval) for a propagation delay of 20 ?s. …

High-Bandwidth Coaxial PWB Transmission Line Probe

December 5, 2005

Author(s)

Nicholas Paulter, Robert H. Palm, Dwight D. Barry

… and test of a wide bandwidth (3 dB attenuation bandwidth > 20 GHz) , 50 ohm , coaxial probe for the electrical … reflectometry test method described in IPC TM 2.5.5.7. …

Temperature Gradient Focusing of Matched and Partially Mismatched DNA/PNA Hybridizations

October 20, 2004

Author(s)

K M. Balss, David J. Ross, Michael J. Tarlov

… demonstrated a 500-fold increase in concentration during a 20 minute experiment. …

Wear and Mechanical Properties of Nano-Silica-Fused Whisker Composites

September 28, 2004

Author(s)

Hockin D. Xu, Janet Quinn, Anthony A. Giuseppetti

… was incorporated into a resin at mass fractions (%) of 0, 20, 40, 60, 70, and 74. A four-station wear machine was used …

Valence Electron Orbitals of an Oligo(p-phenylene-ethynylene)thiol on Gold

March 1, 2004

Author(s)

Christopher D. Zangmeister, Steven W. Robey, Roger D. van Zee, Yuxing Yao, J M. Tour

… charge-transport gap energy is estimated to be between 3.7 eV and 5.4 eV. …

Flux Pinning and Properties of Solid-Solution (Y,Nd) 1+x Ba 2-x Cu 3 O 7-d Superconductors

April 1, 2003

Author(s)

T J. Haugan, M E. Fowler, J C. Tolliver, Paul N. Barnes, Winnie K. Wong-Ng, Lawrence P. Cook

… structures was determined for compounds with Ba = 2.0 to 1.7 and Nd = 0 to 1.3. At 77 K, the composition … and Properties of Solid-Solution (Y,Nd) 1+x Ba 2-x Cu 3 O 7-d Superconductors …

Sub-Picowatt Precision Radiometry Using Superconducting Transition Edge Sensor Bolometers

March 1, 2001

Author(s)

James A. Chervenak, Erich N. Grossman, Carl D. Reintsema, Kent D. Irwin, S. H. Mosely, C. A. Allen

… temperature blackbody source capable of temperatures of 4-20 K, whose output covers the sub-millimeter wavelength …

A Comparison of Quantum-Mechanical Capacitance-Voltage Simulators

January 1, 2001

Author(s)

Curt A. Richter, Allen R. Hefner Jr., Eric M. Vogel

… confinement, quantitatively, there is difference of up to 20% in the calculated accumulation capacitance for devices …

NIST Data Resources for X-Ray Photoelectron Spectroscopy

October 1, 2000

Author(s)

Cedric J. Powell

… has three databases available: an XPS Database (SRD 20), an Elastic-Electron-Scattering Cross-Section Database …

NCSL Pressure Comparison At 0.69 Mpa (100 psi) and 1.4 Mpa (200 psi)

July 1, 2000

Author(s)

Robert G. Driver, James W. Schmidt

… package used as a transfer standard was circulated among 20 domestic calibration laboratories (private and public). …

Temperature Effects on the High Speed Response of Digitizing Sampling Oscilloscopes

July 1, 2000

Author(s)

Donald R. Larson, Nicholas Paulter

… describe the effects of temperature on the performance of 20 GHz and 50 GHz digital sampling oscilloscopes and high …

The Effect of Thermal Shock on the Thermal Conductivity of a Functionally Graded Material

October 1, 1999

Author(s)

Andrew J. Slifka, M Packer, A Kumakawa, Bernard J. Filla, J M. Phelps, N Shimoda

We have measured the thermal conductivity of a ni20Cr / 8% yttria-partially-stabilized-zirconia functionally graded 1.1 mm thick coating on a substrate of 403 stainless steel. We measured thermal conductivity of the as-received coated specimen, then

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

The performance of an absorption heat pump (AHP) operating with ammonia-water and ammonia-water-lithium bromide mixtures is compared. The AHP was designed for the ammonia-water system but operated successfully and without modifications with the ternary

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