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Displaying 16051 - 16075 of 17290

Detection of Heteroplasmic Mitochondrial DNA in Single Mitochondria

December 17, 2010
Author(s)
Joseph E. Reiner, Rani Kishore, Barbara C. Levin, Thomas Albanetti, Nicholas Boire, Ashley Knipe, Kristian Helmerson, Koren Deckman
Background Mitochondrial DNA (mtDNA) genome mutations can lead to energy and respiratory-related disorders like myoclonic epilepsy with ragged red fiber disease (MERRF), mitochondrial myopathy, encephalopathy, lactic acidosis and stroke (MELAS) syndrome

Infrared Spectra of Small Molecular Ions Trapped in Solid Neon

October 3, 2010
Author(s)
Marilyn E. Jacox
The infrared spectrum of a molecular ion provides a unique signature for that species, gives information on its structure, and is amenable to remote sensing. It also serves as a comparison standard for refining ab initio calculations. Experiments in this

A Numerical Study of the Flow of Bingham-Like Fluids In Two Dimensional Vane And Cylinder Rheometers Using a Smoothed Particle Hydrodynamic (SPH) Based Method

April 7, 2010
Author(s)
Huaning Zhu, Nicos Martys, Chiara C. Ferraris, Daniel De Kee
A vane rheometer is commonly used to determine the rheological properties of suspensions, colloids such as cement-based materials, many of which can be described as a Bingham fluid. Due to the complex flow geometry of the vane rheometer, relating measured

Thermodynamic properties of three-ring aza-aromatics.2. Experimental results for 1,10-phenanthroline, phenanthridine, and 7,8-benzoquinoline, and mutual validation of experiments and computational methods

November 18, 2009
Author(s)
Robert D. Chirico, Andrei F. Kazakov, William V. Steele
Measurements leading to the calculation of standard entropies for 1,10-phenanthroline (Chemical Abstracts registry number [66-71-7]) in the crystal, liquid, and ideal-gas state are reported. Experimental methods were adiabatic heat-capacity calorimetry and

Tapered Transmission Lines with Dissipative Junctions

June 3, 2009
Author(s)
Paul D. Dresselhaus, Mike Elsbury, Samuel P. Benz
NIST is optimizing the design of a 10 V programmable Josephson voltage standard so that it uses less microwave power by use of fewer parallel-biased arrays with higher voltage per array. Increasing the voltage per array by adding more junctions is

Calculation of pulse parameters and propagation of uncertainty

March 1, 2009
Author(s)
Paul D. Hale, Chih-Ming Wang
The fundamental starting point for the analysis of all two-state waveforms is the determination of the low- and highstate levels. This is a two-step process. First, the data are grouped into points belonging to each state, and second, the value of each

Final Report on the Collapse of World Trade Center Building 7, Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1A)

November 20, 2008
Author(s)
Sivaraj Shyam-Sunder, Richard G. Gann, William L. Grosshandler, Hai S. Lew, Richard W. Bukowski, Fahim Sadek, Frank W. Gayle, John L. Gross, Therese P. McAllister, Jason D. Averill, James R. Lawson, Harold E. Nelson, Stephen A. Cauffman
… building; and areas in current building and fire codes, standards, and practices that warrant revision. Also in this …

Blueprint for Radioanalytical Metrology CRM's

October 16, 2008
Author(s)
Kenneth G. Inn, Hiromu Kurosaki, Carole Frechou, Chris Gilligan, Robert Jones, Stephen LaMont, Jeff Leggitt, Chunsheng Li, Keith McCroan, Ronald Swatski
… 28 February to 2 March 2006 at the National Institute of Standards and Technology (NIST) to evaluate the needs for new …

Modeling Superconformal Electrodeposition Using an Open Source PDE Solver

October 16, 2008
Author(s)
Daniel Wheeler, Jonathan E. Guyer
Superconformal electrodeposition enables the void-free filling of high aspect ratio features such as trenches or vias in the Damascene metallization process. Superconformal electrodeposition, also known as superfill, occurs when particular combinations of

ECS Transactions

May 18, 2008
Author(s)
Yaw S. Obeng, Stephen Knight, Joaquin (. Martinez
… range of development programs at the National Institute of Standards and Technology (NIST). In this paper, we provide an …

Reference Material for Assessing Forensic SIM Tools

October 1, 2007
Author(s)
Wayne Jansen, Aurelien M. Delaitre
Subscriber Identity Modules (SIMs) are a fundamental standardized component of most cell phones used worldwide. A SIM can be removed from a phone handset and inserted into another, allowing users to port identity, personal information, and service between

The third industrial fluid properties simulation challenge

September 7, 2007
Author(s)
F Case, John K. Brennan, Anne M. Chaka, Kerwin Dobbs, Daniel G. Friend, David Frurip, Peter A. Gordon, J Moore, Raymond D. Mountain, J Olson, Richard B. Ross, Martin Schiller, Vincent K. Shen
The third Industrial fluid properties simulation challenge was held from March to September 2006. As in the previous two events, contestants were challenged to predict specific, industrially relevant, properties of fluid systems. Their efforts were judged

Thermal Stability of Nb/a-NbxSi1-x/Nb Josephson Junctions

February 16, 2007
Author(s)
Burm Baek, Paul Dresselhaus, Samuel Benz
As a high resistivity normal metal barrier for superconducting Josephson junctions, metal-silicon alloys appear to be a good replacement for noble metals and have been applied to the development of quantum voltage standard circuits. We observed that the
Displaying 16051 - 16075 of 17290
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