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Displaying 21126 - 21150 of 73930

The Effects of Wildfire Prevention Activities

August 1, 2013
Author(s)
Douglas S. Thomas, David T. Butry, Jeffrey P. Prestemon
Eighty percent of wildfires are human caused, so it is important for decision makers and land managers to consider the role of prevention activities that minimize the costs and losses of human-caused wildfires. There have been significant efforts aimed at

Three Years of DLMF: Web, Math & Search

August 1, 2013
Author(s)
Bruce R. Miller
DLMF was released to the public in May 2010 and is now completing its 3rd year online. As a somewhat early adopter of large-scale MathML content online, and exposing a math-aware search engine to the public, the project encountered situations distinct from

An Efficient Approach to Assessing the Risk of Zero-Day Vulnerabilities

July 31, 2013
Author(s)
M. Albanese, Sushil Jajodia, Anoop Singhal, Lingyu Wang
Computer systems are vulnerable to both known and zero-day attacks. Although known attack patterns can be easily modeled, thus enabling the definition of suitable hardening strategies, handling zero-day vulnerabilities is inherently difficult due to their

Electrically-protected resonant exchange qubits in triple quantum dots

July 31, 2013
Author(s)
Jacob M. Taylor, Vanita Srinivasa, Medford Jim
We present a modulated microwave approach for quantum computing with qubits comprising three spins in a triple quantum dot. This approach includes single- and two-qubit gates that are protected against low-frequency electrical noise, due to an operating

Ternary Blends for Economical and Environmentally Friendly Concretes

July 31, 2013
Author(s)
Dale P. Bentz, Jussara Tanesi, Ahmad Ardani
As sustainability moves to the forefront of trends in construction, concrete mixture proportions must be adjusted and adapted to a new set of economic and environmental demands. While high-volume fly ash concretes have been investigated extensively since

The Resonant Exchange Qubit

July 31, 2013
Author(s)
Jacob M. Taylor, Medford Jim, Johannes Beil, Emmanuel Rashba, H Lu, A. C. Gossard, C. M. Marcus
We introduce a solid-state qubit in which exchange interactions among confined electrons provide both the static longitudinal field and the oscillatory transverse field, allowing rapid and full qubit control via rf gate-voltage pulses. We demonstrate two

Identification and Quantification of DNA Repair Protein Apurinic/Apyrimidinic Endonuclease 1 (APE1) in Human Cells by Liquid Chromatography/Isotope-Dilution Tandem Mass Spectrometry

July 29, 2013
Author(s)
Guldal Kirkali, Pawel Jaruga, Prasad T. Reddy, Alessandro Tona, Li Mengxia, David M. Wison III, M Miral Dizdar, Bryant C. Nelson
Unless repaired, DNA damage can drive mutagenesis or cell death. DNA repair proteins may therefore be used as biomarkers in disease detection or therapeutic response estimation. Thus, the accurate measurement of DNA repair protein expression is of

Statistical Analysis of Single PPTA Fibers

July 28, 2013
Author(s)
N. Alan Heckert, Jae H. Kim, Kirk D. Rice, Gale A. Holmes
Discuss statistical methods used for analysis of single fiber tensile strength tests. Kernel density plots and quantile-quantile plots were used to graphically analyze the data. Fiber strength was modeled using 2-parameter Weibull, 3-parameter Weibull

Additive Manufacturing: Overview and NDE Challenges

July 26, 2013
Author(s)
John A. Slotwinski
Additive manufacturing (AM) processes are capable of producing highly complex and customized parts, without the need for dedicated tooling, and can produce parts directly from the part design information. These types of processes are poised to
Displaying 21126 - 21150 of 73930
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