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Search Publications

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Displaying 18876 - 18900 of 74256

Optimizing the Location Deployment of Dynamic Mobile Base Stations

February 19, 2015
Author(s)
Sulabh Bhattarai, Sixiao Wei, Stephen Rook, Wei Yu, David W. Griffith, Nada T. Golmie
There has been growing interest over the past few years in the US and around the world to build reliable, robust, and interoperable public safety broadband networks for emergency and disaster response. In this paper, we propose a low-cost, dynamic

The Office of Weights and Measures Proposes Revisions to the Method of Sale for Animal Bedding and Recommends New Test Procedures and Test Measures for Use in Verifying the Quantity Declarations on Packages of Peat Moss and Animal Bedding

February 19, 2015
Author(s)
Kenneth S. Butcher
Animal Bedding (bedding), also called pet or stall bedding, litter or simply bedding, is generally sold by dry volume in compressed or uncompressed packages. Based on numerous failed inspections of packaged animal bedding, the Office of Weights and

Bisphenol A leads to oxidative DNA damage and alters the damage response in mouse fibroblasts

February 18, 2015
Author(s)
Pawel Jaruga, Natalie R. Gassman, Erdem Coskun, Donna F. Stefanick, Julie K. Horton, M Miral Dizdar, Samuel H. Wilson
Metabolism of bisphenol A (BPA) generates reactive oxygen species causing DNA strand breaks and damaged DNA bases. Base excision repair (BER) is responsible for removing oxidatively induced DNA base lesions and for repairing single strand breaks (SSBs)

Long-Term Stability of UHMWPE Fibers

February 18, 2015
Author(s)
Amanda L. Forster, Aaron M. Forster, Joannie W. Chin, Chiao-Chi Lin, Sylvain H. Petit, Kai-Li Kang, Nicholas G. Paulter Jr., Michael A. Riley, Kirk D. Rice
The superior performance of ultra-high molecular weight polyethylene fi bers is predicated on the development of a highly aligned molecular structure that allows the polymer to exhibit a superior strength in the axial direction of the fi ber. Body armor

Position-dependent spin-orbit coupling for ultracold atoms

February 18, 2015
Author(s)
Ian B. Spielman, Shih Wei Su, Shih-Chuan Gou, Ihe-Kau Liu, Luis Santos, Arturas Acus, Algirdas Mekys, Gediminas Juzeliunas
We theoretically explore atomic Bose-Einstein condensates (BECs) subject to position-dependent spin-orbit coupling (SOC). This SOC can be produced by cyclically Raman coupling four internal atomic ground (or metastable) states in an environment where the

Smoke Characterization and Feasibility of the Moment Method for Spacecraft Fire Detection

February 17, 2015
Author(s)
Jiann C. Yang, Thomas G. Cleary, George W. Mulholland, Marit Meyer, Victoria Bryg, D L. Urban, Zeng-guang Yuan, Gary A. Ruff
The Smoke Aerosol Measurement Experiment (SAME) has been conducted twice by NASA and provided the first real-time aerosol data in a spacecraft micro-gravity environment. Flight experiment results have recently been analyzed with respect to comparable

Improved Indifferentiability Security Bound for the JH Mode

February 15, 2015
Author(s)
Dustin Moody, Daniel C. Smith-Tone, Souradyuti Paul
Indifferentiability security of a hash mode of operation guarantees the mode's resistance against all generic attacks. It is also useful to establish the security of protocols that use hash functions as random functions. The JH hash function was one of the

Effective Anisotropy Gradient in Pressure Graded [Co/Pd] Multilayers

February 14, 2015
Author(s)
Brian J. Kirby, P. K. Greene, Brian B. Maranville, J. E. Davis, Kai Liu
A vertically graded anisotropy profile has been proposed as an optimized balance of low coercivity and thermal stability for multilayers used in magnetic media. Deposition pressure is known to have a profound effect on the magnetic reversal properties of

Frequency Modulated Charge Pumping with Extremely High Gate Leakage

February 13, 2015
Author(s)
Jason T. Ryan, Jibin Zou, Jason P. Campbell, Richard Southwick, Kin P. Cheung, Anthony Oates, Rue Huang
Charge pumping (CP) has proven itself as one of the most utilitarian methods to quantify defects in metal-oxide-semiconductor devices. In the presence of low to moderate gate leakage, CP quantification is most often implemented via a series of measurements
Displaying 18876 - 18900 of 74256
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