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Ryan Henkensiefken, Dale P. Bentz, Tommy Nantung, Jason Weiss
Increased occurrences of early-age shrinkage cracking in low water to cement ratio (w/c) concrete have spawned innovative developments in mixture design that
We developed an up-conversion spectrometer for signals at single photon levels near the infrared region based on a tunable up-conversion detector which uses a
Michael W. Halter, Jamie L. Almeida, Alessandro Tona, Kenneth D. Cole, Anne L. Plant, John T. Elliott
Cell-based assays for measuring ribosome inhibition by proteins such as the plant toxin ricin are important for characterizing decontamination strategies and
Flow fields encountered in full-scale enclosure fires are highly three-dimensional and span a large spatial extent. Stereoscopic particle image velocimetry
James A. Warren, D M. Saylor, Martin McDermott, D Patwardhan, Chang-Soo Kim
To improve functionality and performance, controlled drug release coatings comprised of drug and polymer are integrated with traditional medical devices, e.g
Since the middle of the 17th century, when Italian physicist Evangelista Torricelli discovered that a glass tube filled with mercury could be used to measure
The National Institute of Standards and Technology (NIST) provides the physical measurements and standards in a variety of fields, including for ionizing
This is an Editorial for the August, 2009 issue of IEEE Microwave Magazine. Kate Remley, the Editor-in-Chief, writes about timely topics for the members of the
J. Mauricio Lopez-Romero, N. Munoz, Michael A. Lombardi
The SIM time and frequency metrology working group has developed a comparison network for the Americas, with the goals of improving metrology in the SIM region
Robert Maiwald, Gerd Leuchs, Dietrich Leibfried, Joseph W. Britton, James C. Bergquist, David J. Wineland
We experimentally characterized a novel radio-frequency (rf) ion trap geometry formed by two concentric cylinders over a ground plane. These traps allow for
Adolfas K. Gaigalas, Lili Wang, Hua-Jun He, Paul C. DeRose
This work describes a procedure for acquiring a spectrum of an analyte over an extended range of wavelengths and validating the wavelength and intensity
George R. Jones Jr., Brian J. Pritchard, Randolph Elmquist
National Measurement Institutes (NMIs) participate in international key comparisons organized by the BIPM, the Regional Metrology Organizations (RMOs), or the
Jifeng Qu, Samuel Benz, Horst Rogalla, David R. White
The variance of temperature measurements made with the NIST Johnson noise thermometer has been reduced by use of improved cross-correlation electronics and a
G Peggs, P.G Maropoulos, E.B Hughes, Alistair Forbes, S Robson, M Ziebart, Bala Muralikrishnan
With ever-more demanding requirements for the accurate manufacture of large components, dimensional measuring techniques are becoming progressively more
Current methods to determine debonding/leakage at the tooth-composite interphase are qualitative or semi-quantitative. Our previous work introduced a 3D imaging
A new technology will be described which extends the cavity ring-down optical absorption technique to condensed matter by using a miniature, high-finesse
A new optical technique is described that permits extension of cavity ring-down spectroscopy (CRDS) to surfaces, films, and liquids. As in conventional CRDS
L.A. Akhmedova-Azizova, Ilmutdin M. Abdulagatov, Thomas J. Bruno
Thermal conductivity of rocket propellant (RP-1 fuel) has been measured with a coaxial-cylinder (steady-state) technique. Measurements were made in the
Robert G. Brinson, Kevin Turner, Hye Y. Yi-Brunozzi, Stuart F. Le Grice, Daniele Fabris, John P. Marino
During (-)-strand DNA synthesis in retroviruses and Saccharomyces cerevisiae LTR-retrotransposons, a purine rich region of the RNA template, known as the
Flow fields encountered in full-scale enclosure fires are highly three-dimensional and span over a large spatial extent. Stereoscopic Particle Image Velocimetry
David L. Duewer, Katrice A. Lippa, Stephen E. Long, Karen E. Murphy, Katherine E. Sharpless, Lorna T. Sniegoski, Michael J. Welch
Certified Reference Materials (CRMs) enable the meaningful comparison of measurement results over time and place. When CRMs are used to calibrate or verify the
Douglas A. Bennett, Robert D. Horansky, Joel N. Ullom
Complex impedance is an important and widely used technique for characterizing microbolometers and microcalorimeters. Often, complex impedance data from actual
Hermann Uys, Michael J. Biercuk, John J. Bollinger
One approach to maintaining phase coherence of qubits through dynamical decoupling consists of applying a sequence of Hahn spin-echo pulses. Recent studies have
Peter Yim, Matthew L. Clarke, Michael McKinstry, Silvia H. De Paoli Lacerda, Leonard F. Pease III, Marina A. Dobrovolskaia, Hyeong G. Kang, David T. Read, Shanmuga Sozhamannan, Jeeseong C. Hwang
We rapidly and quantitatively detect biological pathogens by combining the specificity of bacteriophage lambda with the sensitivity of CdSe/ZnS quantum dot (QD)
Ward L. Johnson, Sudook A. Kim, Zhandos Utegulov, B. T. Draine
Distributions of electric fields in two-dimensional arrays of gold nanodisks on a Si3N4 membrane, with light incident through the membrane, are modeled with the
Megan C. Wadington , Jane E. Ladner, N V. Stourman, Joel M. Harp, R N. Armstrong
YfcG is one of eight glutathione (GSH) transferase homologues encoded in the Escherichia coli genome. The protein exhibits low or no GSH transferase activity
Robert D. Horansky, James A. Beall, Kent D. Irwin, Joel N. Ullom
Improving the resolution of gamma-ray detectors is important for many fields, including determinations of the Lamb shift in atoms with high atomic numbers
Information theory places constraints on multiplexing large low-temperature detector arrays. We discuss these constraints, and review the state of the art of
During the course of the Reliable Information Access (RIA) workshop, a data archive was created to hold the outputs of the many experiments being done. This