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Displaying 27076 - 27100 of 73832

NIST Sustainable Infrastructure Material Program

March 17, 2010
Author(s)
Jonathan W. Martin, Xiaohong Gu, Tinh Nguyen, Joannie W. Chin
NIST has initiated a research program for improving the quality of the data input for making economic sustainability assessments of polymeric infrastructure materials through improvements in the measurement science for this data. Sustainability assessments

The mouse ortholog of NEIL3 is a functional DNA glycosylase in vitro and in vivo

March 16, 2010
Author(s)
Minin Liu, Viswanath Bandaru, Jeffrey Bond, Pawel Jaruga, Xiaobei Zhao, Plamen P. Christov, Cynthia Burrows, Carmelo J. Rizzo, Miral M. Dizdar, Susan Wallace
To protect cells from oxidative DNA damage and mutagenesis, organisms possess multiple glycosylases to recognize the damaged bases and to initiate the Base Excision Repair (BER) pathway. Recently, three DNA glycosylases were identified in mammals that are

Toward scalable ion traps for quantum information processing

March 16, 2010
Author(s)
Jason Amini, Hermann Uys, Janus H. Wesenberg, Signe Seidelin, Joseph W. Britton, John J. Bollinger, Dietrich G. Leibfried, Christian Ospelkaus, Aaron Vandevender, David J. Wineland
The basic components for a quantum information processor using trapped ions have been demonstrated in a number of experiments. To perform complex algorithms that are not tractable with classical computers, these components need to be integrated and scaled

An Approximation Algorithm for the Coefficients of the Reliability Polynomial

March 15, 2010
Author(s)
Brian D. Cloteaux, Isabel M. Beichl, F Sullivan
The reliability polynomial gives the probability that a graph remains connected given that each edge in it can fail independently with a probability p. While in general determining the coefficients of this polynomial is #P-complete, we give a randomized

Enhancing Image Contrast Using Coherent States and Photon Number Resolving Detectors

March 15, 2010
Author(s)
Aaron Pearlman, Alexander E. Ling, Elizabeth A. Goldschmidt, Jingyun Fan, Christoph Wildfeuer, Alan L. Migdall
We experimentally map the transverse profile of diffraction-limited beams using photon number resolving detectors. We observe strong compression of diffracted beam profiles for high detected photon number. This effect leads to higher contrast than a

Flip Chip Lamination Approach to Fabricate Top Metal Contacts on Organic-based Devices

March 15, 2010
Author(s)
Mariona Coll Bau, Oana Jurchescu, Nadine Gergel-Hackett, Curt A. Richter, Christina Hacker
Flip Chip Lamination approach to fabricate top metal contacts on organic-based devices ; M.Coll, O.D. Jurchescu, N. Gergel-Hackett, C.A. Richter, C,A, Hacker, American Physical Society (APS), March 2010, Portland, OR, USA (oral)

Investigation of Gd3N@C2n family by Raman and inelastic electron tunneling spectroscopy

March 15, 2010
Author(s)
James G. Kushmerick, Brian G. Burke, Tsz-Wah Chan, Keith A. Williams, Jiechao Ge, Chunying Shu, Wujun Fu, Harry C. Dorn, Alexander Puretzky, David B. Geohegan
The structure and vibrational spectrum of Gd3N@C80 is studied through Raman and inelastic electron tunneling spectroscopy (IETS) as well as density functional theory (DFT) and universal force field (UFF) calculations. Hindered rotations, shown by both

Neutron radioscopy: industrial and scientific applications

March 15, 2010
Author(s)
Daniel Hussey, Michael A. Hickner
Neutron imaging has been a unique, precise, measurement tool for water transport in proton exchange membrane fuel cells (PEMFCs), enabling the direct measurement of the water distribution in standard, commercially viable fuel cell hardware. Thus, in the

The Color Quality Scale

March 15, 2010
Author(s)
Wendy L. Davis, Yoshihiro Ohno
The Color Rendering Index (CRI) has been shown to have deficiencies when applied to white light-emitting diode (LED) based sources. Further, evidence suggests that the restricted scope of the CRI unnecessarily penalizes some light sources with desirable

Reflective attenuators for high energy laser measurements

March 14, 2010
Author(s)
John H. Lehman, David J. Livigni, Christopher L. Cromer, Xiaoyu X. Li, Marla L. Dowell
A high-energy laser attenuator in the range of 250 mJ (20 nsec pulse width, 10 Hz repetition rate, 1064 nm, 1574 nm wavelengths) is described. The optical elements that constitute the attenuator are mirrors with relatively low reflectance, oriented at 45°

Interoperability Test of IEEE 1451.5 Standard-Based Wireless Sensors

March 13, 2010
Author(s)
Kang B. Lee, Yuyin Song
The Institute of Electrical and Electronics Engineers (IEEE) 1451 standard provides plug-and-play capability of smart transducers (sensors and actuators). Plug-and-play is an important aspect of interoperability, which is the ability of two or more systems

Uncertainties in Electron Probe Microanalysis

March 12, 2010
Author(s)
Ryna B. Marinenko, Stefan D. Leigh
This tutorial discusses the importance of citing valid uncertainties when reporting analytical results and the need for a universally accepted approach for evaluating uncertainties. Today, the CIPM procedure has been accepted by numerous international
Displaying 27076 - 27100 of 73832
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