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Displaying 22201 - 22225 of 74160

Review on Sustainability Characterization for Manufacturing Processes

February 15, 2013
Author(s)
Mahesh Mani, Jatinder Madan, Jae H. Lee, Kevin W. Lyons, Satyandra K. Gupta
Manufacturing industries lack the measurement science and the needed information base to measure and effectively compare environmental performances of manufacturing processes, resources and associated services with respect to sustainability. The current

Stable Field Emission from Nanoporous Silicon Carbide

February 15, 2013
Author(s)
Myung Gyu Kang, Henri Lezec, Fred Sharifi
A new method for fabrication of high current density field emitters based on nanoporous silicon carbide is presented. The emitters are monolithic structures which do not require high temperature gas phase synthesis and the process is compatible with

User's Guide for RM 8096 and 8097: The MEMS 5-in-1, 2013 Edition

February 15, 2013
Author(s)
Janet M. Cassard, Jon C. Geist, Theodore V. Vorburger, David T. Read, Michael Gaitan, David G. Seiler
The Microelectromechanical Systems (MEMS) 5-in-1 is a reference device sold as a NIST Reference Material (RM) that contains MEMS test structures on a test chip. The two RM chips (8096 and 8097) provide for both dimensional and material property

Temperature sculpting in yoctoliter volumes

February 14, 2013
Author(s)
Joseph E. Reiner, Joseph W. Robertson, Daniel L. Burden, Lisa K. Burden, Arvind Balijepalli, John J. Kasianowicz
The ability to perturb large ensembles of molecules from equilibrium led to major advances in understanding reaction mechanisms in chemistry and biology. Here, we demonstrate the ability to control, measure, and make use of rapid temperature changes of

A Generalized Strategy for Immobilizing Uniformly Oriented Membrane Proteins at Solid Interfaces

February 13, 2013
Author(s)
Amit NMN Vaish, Vitalii I. Silin, Marlon L. Walker, Kristen L. Steffens, Susan Krueger, Alexei A. Yeliseev, Klaus Gawrisch, David J. Vanderah
We present here a generalized strategy for immobilizing uniformly oriented membrane proteins onto a functionalized surface. Using water soluble nitrilotriacetic acid (NTA)-terminated oligo(ethylene glycol) thiols, a histidine-tagged G protein-coupled

Analysis of Multiscale Porosity at the Coso Geothermal Field

February 13, 2013
Author(s)
Lawrence M Anovitz, David R. Cole, David D. Faulder, Julie Sheets, Gernot Rother, Matthew John Wasbrough, Rex P. Hjelm, Monika Hartl, Vitaliy Pipich, Zhensdong Fu
The multiscale pore structure of the rocks making up a geothermal reservoir and the mineralogy associated with those pores are critical factors for estimating a number of reservoir properties including fluid mass in place, permeability, and capillary

Experimental test of an event-based corpuscular model modification as an alternative to quantum mechanics

February 13, 2013
Author(s)
Giorgio Brida, Ivo P. Degiovanni, Marco Genovese, Alan L. Migdall, Fabrizio Piacentini, Sergey Polyakov, Paola Traina
We present the first experimental test that distinguishes between an event-based corpus- cular model of the interaction of photons with matter and quantum mechanics. The test looks at the interference that results as a single photon passes through a Mach

Experimental test of an event-based corpuscular model modification as an alternative to quantum mechanics

February 13, 2013
Author(s)
Giorgio Brida, Ivo P. Degiovanni, Marco Genovese, Alan L. Migdall, Fabrizio Piacentini, Sergey Polyakov, Paola Traina
We present the first experimental test that distinguishes between an Event-Based Corpuscular Model (EBCM)9) of the interaction of photons with matter and quantum mechanics. The test looks at the interference that results as a single photon passes through a

Mouse Cell Line Authentication

February 13, 2013
Author(s)
Jamie L. Almeida, Carolyn R. Steffen, Kenneth D. Cole
The scientific community has responded to the misidentification of human cell lines with validated methods to authenticate these cells; however, there are few assays available for nonhuman cell line identification. We have developed a multiplex polymerase

Salt-Specific Effects in Aqueous Dispersions of Carbon Nanotubes

February 13, 2013
Author(s)
Jeffrey A. Fagan, Carlos A. Silvera Batista, Alberto Striolo, Naga Rajesh Tummala, Manaswee Suttipong
Tremendous progress has been made to stabilize carbon nanotube dispersions using surfactants, although many questions await answer to design surfactant formulations that selectively stabilize nanotubes mono-dispersed in diameter and chirality. Stimulated

The Detection of Interstellar Ethanimine (CH3CHNH) from Observations taken during the GBT PRIMOS Survey

February 13, 2013
Author(s)
Francis J. Lovas, Ryan A. Loomis, Daniel P. Zaleski, Amanda L. Steber, Justin L. Neill, Matthew T. Muckle, Brent J. Harris, Jan M. Hollis, Phillip R. Jewell, Valerio Lattanzi, Oscar Martines, Michael C. McCarthy, Anthony J. Remijan, Brooks H. Pate
As the availab¬¬ility of publicly accessible spectral line surveys from radio astronomy increases, new approaches to the identification of molecules in the interstellar medium are possible. We have performed reaction product screening measurements using

Five Examples of Assessment and Expression of Measurement Uncertainty

February 12, 2013
Author(s)
Antonio M. Possolo
It is a long accepted tenet of scientific practice that every measurement result ought to include a statement of uncertainty associated with the measured value, and that such uncertainty should be propagated to derivative products. It is also widely

General Guidance on Emergency Communication Strategies for Buildings

February 12, 2013
Author(s)
Erica D. Kuligowski
When a building emergency occurs, it is not always sufficient to simply initiate alarm bells. Individuals may not know what the alarm bell means and as a result may respond inappropriately to its sound. Many buildings have installed mass notification or

Declarative Integration of Interactive 3D Graphics into the World-Wide Web: Principles, Current Approaches, and Research Agenda

February 10, 2013
Author(s)
Jacek Jankowski, Johannes Behr, Yvonne Jung, Kristian Sons, Philipp Slusallek, Sanford P. Ressler
With the advent of WebGL, plugin-free hardware-accelerated interactive 3D graphics has finally arrived in all major Web browsers. WebGL is an imperative solution that is tied to the functionality of rasterization APIs. Consequently, its usage requires a

The increase in conductance of a gold single atom chain during elastic elongation

February 7, 2013
Author(s)
Francesca Tavazza, Shmuel Barzilai, Douglas T. Smith, Lyle E. Levine
The conductance of monoatomic gold wires has been studied using ab initio calculations and the transmission was found to vary with the elastic strain. Counter-intuitively, the conductance was found to increase for the initial stages of the elongation

Characterization of Airborne Nanoparticle Releases from Consumer Products

February 6, 2013
Author(s)
Andrew K. Persily, Michael Magee, Dong H. Rim
This letter report provides a project update reflecting the activities to date under the FY2012 interagency agreement between CPSC and NIST to develop testing and measurement protocols for determining the quantities and properties of nanoparticles released
Displaying 22201 - 22225 of 74160
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