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Displaying 701 - 725 of 1005

Economic Value of Combined Best Practice Use

July 1, 2005
Author(s)
S H. Lee, Stephen R. Thomas, C L. Macken, Robert E. Chapman, R L. Tucker, I H. Kim
… cost savings for owners range from $1.7 million to $2.4 million, depending on industry group and project size. …

Direct Observation of Remanent Magnetic States in Epitaxial fcc Co Small Disks

April 1, 2003
Author(s)
C Vaz, L Lopez-Diaz, M Klaui, J Bland, T Monchesky, John Unguris, Z Cui
The magnetic nanostructure of epitaxial fcc Co/Cu(001) circular elements (1.7υm in diameter) has been imaged with scanning electron microscopy with polarization analysis. The disks are obtained by ultrahigh vacuum deposition of the metal films onto a

Molecular Basis of Lubrication

February 1, 2002
Author(s)
Stephen M. Hsu
Lubrication is an art that has been practiced for thousands of years from the early days of our human civilization. The study of lubricatin as a science began in the 17th century with the development of bearings and axles. In the early 20th century, the

Epitaxial Si-Based Tunnel Diodes

December 1, 2000
Author(s)
P E. Thompson, K D. Hobart, M E. Twigg, S L. Rommel, N Jin, P R. Berger, R Lake, A C. Seabaugh, P Chi, David S. Simons
… An n-on-p diode having a spacer layer composed of 4 nm Si 0.6 Ge 0.4 , bounded on either side by 1 nm Si, had a J p = 2.3 kA/cm …

Optical Coherence Tomography for Dimensional Metrology of Lab-on-a-chip devices

October 27, 2013
Author(s)
Darwin R. Reyes-Hernandez, Michael W. Halter, Jeeseong Hwang
Here we present a new metrology tool for the determination of the dimensions of channels from final product Lab-on-a-chip devices. Using Optical Coherence Tomography (OCT) areas of up to 12 mm x 12 mm can be imaged in less than 1 second, without the need

Commutability Assessment of New Standard Reference Materials (SRMs) for Determining Serum Total 25-Hydroxyvitamin D using Ligand Binding and Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS) Assays

January 10, 2025
Author(s)
Stephen Wise, Etienne Cavalier, Pierre LUKAS, Stephanie Peeters, caroline Le Goff, Laura Briggs, Emma Williams, Ekaterina Mineva, Christine Pfeiffer, Hubert Vesper, Christian Popp, Christian Beckert, Jan Schultess, Kevin Wang, Carole Tourneur, Camille Pease, Dominik Osterritter, Ralf Fischer, Ben Saida, Chao Dou, Satoshi Kojima, Hope Weiler, Agnieszka Bielecki, Heather Pham, Alexandra Bennett, Shawn You, Amit Ghoshal, Chistian Vogl, James Freeman, Neil Parker, Samantha Pagliaro, Jennifer Cheek, Jie Li, Hisao Tsukamoto, Karen Galvin, Kevin Cashman, Hsuan-Chieh Liao, Andrew Norbert Hoofnagle, Jeffery Budd, Adam Kuszak, Ashley Boggs-Russell, Carolyn Burdette, Grace Hahm, Federica Nalin, Johanna Camara
… D-binding protein (VDBP). Twelve laboratories using 17 different ligand binding assays and eight laboratories … rather than the quality of the SRMs. With results from 17 different ligand binding and nine LC-MS/MS assays, this …

Subsolidus Phase Equilibria and Crystal Chemistry in the System BaO-TiO 2 -Ta 2 O 5

January 1, 2003
Author(s)
Terrell A. Vanderah, Robert S. Roth, T Siegrist, W Febo, J. M. Loezos, Winnie K. Wong-Ng
… study found no stable phases forming between Ba 5 Ta 4 O 15 and BaO. In the ternary system, along the line BaTiO 3 … 18 Ti 53 Ta 2 O 129 : cchcchcchcchc, C2/m, a=9.859(2) , b=17.067(5) , c=30.618(8) , Β=96, 11(2) , Z=2; 7L Ba 10 Ti 27 Ta 2 O 69 : cchchc, C2/m, a=9.855(3) , b=17.081(7) , c=16719(7) , B=101.18(3) ; z=2(m and are …

ASHRAE's New Position Document on Indoor Carbon Dioxide

June 14, 2022
Author(s)
Andrew K. Persily, William Bahnfleth, Howard Kipen, Josephine Lau, Corinne Mandin, Chandra Sekhar, Pawel Wargocki, Lan Chi Nguyen Weekes
Indoor CO2 concentrations are often discussed in the context of ventilation and IAQ, most recently in relation to airborne infectious disease transmission. However, many applications of indoor CO2 measurements do not reflect a sound technical understanding

Charge Order Evolution of Superconducting BaNi2As2 Under High Pressure

November 2, 2023
Author(s)
John Collini, Daniel Campbell, Daniel Sneed, Prathum Saraf, Christoper Eckberg, Jason Jeffries, Nicholas Butch, Johnpierre Paglione
… as a function of temperature up to pressures of 10.4 GPa, and powder-diffraction experiments at 300 K provide lattice parameters up to 17 GPa. We find that applying pressure to BaNi2As2 produces a …

Mass Spectral Library of Acylcarnitines Derived from Human Urine

April 8, 2020
Author(s)
Xinjian Yan, Sanford Markey, Ramesh Marupaka, Qian Dong, Brian T. Cooper, Yuri Mirokhin, William E. Wallace, Stephen Stein
… different precursor masses, 586 unique acylcarnitines, and 4 332 acylcarnitine consensus spectra. Furthermore, from …

Optical-Clock-Based Time Scale

October 30, 2019
Author(s)
Jian Yao, Jeffrey A. Sherman, Tara M. Fortier, Andrew D. Ludlow, Holly Leopardi, Thomas E. Parker, William F. McGrew, Scott A. Diddams, Judah Levine
… uncertainty of 1.4x10−16 at 30 days and reaching the 10−17 decade at 50 days, with respect to UTC. This time scale …
Displaying 701 - 725 of 1005
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