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Displaying 1551 - 1575 of 1910

Phase Formation, Crystal Chemistry, and Properties in the Magnetic Dielectric System Bi 2 O 3- Fe 2 O 3- Nb 2 O 5

June 22, 2006

Author(s)

M W. Lufaso, Terrell A. Vanderah, I M. Pazos, Igor Levin, Juan C. Nino, Virgil Provenzano, Peter K. Schenck, Robert S. Roth

Subsolidus phase relations have been determined for the Bi2O3-Fe2O3-Nb2O5 system in air (900-1075 C). Three new ternary phases were observed Bi3Fe0.5Nb1.5O9 with an Aurivillius-type structure, and two phases with approximate stoichiometries Bi17Fe2Nb31O106

Phase-stabilized ultrafast lasers signal new era in measurement and research

May 15, 2006

Author(s)

Tara M. Fortier, A Bartels, Scott A. Diddams

… short-pulsed lasers has progressed steadily over the past 30 years. In the search for better techniques and materials …

Phase-Stabilized Ultrafast Lasers Signal New Era Measurement and Research

May 1, 2006

Author(s)

Tara M. Fortier, A Bartels, Scott A. Diddams

… short pulsed lasers has progressed steadily over the past 30 years. In the search for better techniques and materials …

Fast Setting CPC-Chitosan Composite: Mechanical Properties and Dissolution Rates

March 16, 2006

Author(s)

Limin Sun, Hockin D. Xu, Shozo Takagi, Laurence C. Chow

… fractions were tested: 0 %, 10 %, 15 %, 20 %, 25 % and 30 %. Specimens were immersed in solutions with pH ranging …

Primary Pressure Standards Based on Dimensionally Characterized Piston/Cylinder Assemblies

February 1, 2006

Author(s)

James W. Schmidt, K. Jain, A P. Miiller, Walter J. Bowers Jr., Douglas A. Olson

… (PTB). All artifacts appeared to be round within 30 nm and straight within 100 nm over a substantial fraction …

Structure-Property Relationships of Photopolymerizable Poly(Ethylene Glycol) Dimethacrylate Hydrogels

April 1, 2005

Author(s)

L G. Sheng, Ronald L. Jones, N Washburn, F Horkay

… were prepared having mass fractions of 10 %, 20 %, and 30 %. Small-angle neutron scattering was used to characterize …

The GOES Time Code Service, 1974 - 2004: A Retrospective

February 27, 2005

Author(s)

Michael A. Lombardi, D. W. Hanson

… After nearly 30 years of continuous operation, NIST ended its …

Panoramic, Ultrawideband, Diagnostic Imaging of Test Volumes

January 1, 2005

Author(s)

David R. Novotny, Robert T. Johnk, Chriss A. Grosvenor, Seturnino Canales

… sweep with a range of 120m and resolution of less than 30 cm, can be used as a pre-compliance check and determine …

CF3I Stability Under Storage.

December 1, 2004

Author(s)

Michelle K. Donnelly, Richard H. Harris Jr., Jiann C. Yang

… by 63 % or more and the amount of CF3H decreased by 30 % or more. No new Falkene peaks developed, and changes to …

Simultaneous Measurements of Drop Size and Velocity in Large-Scale Sprinkler Flows Using Particle Tracking and Laser-Induced Fluorescence.

December 1, 2004

Author(s)

Anthony D. Putorti Jr.

… from 200 mum to 3000 mum, and velocities from I m/s to 30 m/s have been measured with low uncertainty. While not …

Effect of Essential Oil and Essential Oil Fluoride Mouthrinses on Plaque Metabolic Acids and pH After a Sucrose Challenge

November 1, 2004

Author(s)

J Z. Zhang, D S. Harper, S Zhou, Gerald L. Vogel, Gary E. Schumacher

… 100-ppm fluoride ion (EOF), or 3) negative control for 30 seconds, twice daily for 16 days. On day 17, one hour …

Building and Fire Research Laboratory Activities, Accomplishments, and Recognitions 2003.

February 1, 2004

Author(s)

Kellie A. Beall, J E. Hill

… Before it was over, the fire had burned for more than 30 hours and destroyed approximately 2,500 buildings in an …

Surface-Plasmon-Resonance-Enhanced Cavity Ring-Down Detection

January 1, 2004

Author(s)

A C. Pipino, John T. Woodward IV, Curtis W. Meuse, Vitalii I. Silin

… be 2x10-8 mol/L and 7x10-8 mol/L, respectively, based on a 30 s integration time. …

Cloning and Expression of the Gene for a Novel Protein From Mycobacterium Smegmatis With Functional Similarity to Eukaryotic Calmodulin

September 1, 2003

Author(s)

Prasad T. Reddy, C R. Prasad, P H. Reddy, D J. Reeder, K H. McKenney, H Jaffe, M N. Dimitrova, A Ginsburg, A Peterkofsky, P S. Murthy

… bp product, the sequence of which was used to synthesize a 30 bp probe for cloning the gene for MSM-CAMLP. DNA sequence …

A Sensitive Very Large Array Search for Small-Scale Glycine Emission Toward OMC-1

May 1, 2003

Author(s)

J M. Hollis, J A. Pedelty, Lewis E. Snyder, P R. Jewell, Francis J. Lovas, Patrick Palmer, S Y. Liu

… are comparable to those determined from previous IRAM 30 m measurements-somewhat better or worse depending on the …

Modified Allard Method for Effective Intensity of Flashing Lights

August 1, 2002

Author(s)

Yoshihiro Ohno, D Couzin

… for all forms of pulses except that it show results 20% to 30% higher than the Blondel-Rey results for a rectangular …

Reaction Kinetics in the Ionic Liquid Methyltributylammonium Bis(trifluoromethylsulfonyl)imide. Pulse Radiolysis Study of (CF 3 )-C-Center Dot Radical Reactions

June 1, 2002

Author(s)

J Grodkowski, Pedatsur Neta

… The rate constant for pyrene in aqueous acetonitrile (30% water) solutions is 4 times as high as that in the ionic …

Performance Evaluation of a Reciprocating Chiller Using Experimental Data and Model Predictions for Fault Detection and Diagnosis

January 1, 2002

Author(s)

Natascha S. Milesi-Ferretti

… fouling and liquid line restriction at a fault level of 30% or greater. Results highlight the difficulty of detecting …

The Role of Particles in the Inhibition of Counterflow Diffusion Flames by Iron Pentacarbonyl

January 1, 2002

Author(s)

M D. Rumminger, Gregory T. Linteris

… show that the particles have diameters between 10 nm and 30 nm. Thermophoresis affects the nanoparticle distribution …

From Bulk to Nanoscale Magnetism and Exchange Bias in CuO Nanoparticles

November 1, 2001

Author(s)

A Punnoose, H Magnone, M Seehra, John E. Bonevich

… according to Ψ(sub m) = -deltalnT(subN)/deltalnb = 30. For particles with d < 10 nm, there is a more rapid …

Formation of Macropores in Calcium Phosphate Cements Through the Use of Mannitol Crystals

January 1, 2001

Author(s)

Milenko Markovic, Shozo Takagi, Laurence C. Chow

… = 8), and microporosities were (a) (34.3 1.0) % and (b) (30.6 0.6)% (n = 8). Diametral tensile strengths (DTS) were …

Role of Ion-Beam Processing Time in the Formation and Growth of the High-Nitrogen Phase in Austenitic Stainless Steel

November 1, 2000

Author(s)

D L. Williamson, P J. Wilber, F R. Fickett, S Parascandola

… was found to grow rapidly to a saturation value exceeding 30 at % A carbon contamination layer, in the form of a C …

Thermal-Infrared Scale Verifications at 10 um Using the NIST EOS TXR

November 1, 2000

Author(s)

Joseph P. Rice, S C. Bender, W H. Atkins

… a pre-deployment uncorrected repeatability of better than 30 mK to 60 mK, which is sufficient to enable …

In situ Metrology During the Growth of Compound Semiconductors by Molecular Beam Epitaxy

February 9, 2000

Author(s)

Donald A. Gajewski, Jonathan E. Guyer, Nhan Van Nguyen, Joseph G. Pellegrino

In this poster, we present the optical response of thin film compound semiconductors measured using in situ spectroscopic ellipsometry (SE), at growth temperatures ((180 to 600) 0C), during the growth by molecular beam epitaxy (MBE). We will focus on in

Melting Analysis of DNA Dumbbells with Repeating Dinucleotide Stem Sequences Reveals Evidence for Long Range Sequence Dependent Interactions in Short Duplex DNA

February 1, 2000

Author(s)

Peter M. Vallone, R. Owczarzy, P. V. Riccelli, A. S. Benight

… Dumbbells with the (AG)n central sequences n = 5, 20, and 30 were also studied. Optical melting curves wereanalyzed in …

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