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Search Publications

NIST Authors in Bold

Displaying 7751 - 7775 of 13218

Drying Induced Variations in Physico-Chemical Properties of Amorphous Pharmaceuticals and Their Impact on Stability (I): Stability of aMonoclonal Antibody

November 21, 2006
Author(s)
Ahmad Abdul-Fattah, Vu Truong-Le, Luisa Yee, Lauren Nguyen, Devendra Kalonia, Marcus T. Cicerone, Michael Pikal
… the drying methods, SSA was highest and perturbations in secondary structure were lowest with the spray dried … were the most stable, regardless of the stabilizer level. In protein-rich formulations, freeze-dried powders showed the … the stability differences were correlated to differences in secondary structure. In stabilizer-rich formulations, …

Standard Measurement Methods for Materials Properties: Plasticity

January 2, 2006
Author(s)
Richard J. Fields, Sheldon M. Wiederhorn
… of parts, and provides a significant degree of safety in use. The ability to specify plastic properties measured by the standard methods described in this chapter provides industry with a valuable means of … the development of a more physical basis is badly needed. In this chapter we discuss the physical bases for plasticity …

Nanometrology - FY 2004 Programs and Selected Accomplishments

April 15, 2005
Author(s)
C M. Allocca
… properties, process monitoring at the nanoscale, nano-manufacturing and fabrication techniques, and structural … and multiscale modeling. The Program comprises 22 projects in the Ceramics, Materials Reliability, Metallurgy and … and events, and modeling of nanoscale properties. IN each area, we work to advance basic measurement …

A Photoconductivity Technique for the Assessment of Pigment Reactivity

November 19, 2003
Author(s)
Joannie W. Chin, S J. Scierka, T Kim, Amanda L. Forster
… volumes of titanium dioxide (TiO2) are utilized each year in coatings, sealants, plastics and paper for opacification … to the degradation of the material that it is dispersed in, due to the generation of electron-hole pairs that further … exists in commercial TiO2 pigments, depending on the manufacturing method used. At the present time, there is no …

Dose Meter Calibration System for 193 nm

May 1, 2002
Author(s)
Holger Laabs, Richard D. Jones, Marla L. Dowell
… to ISO 13694). This is well within the semiconductor manufacturing requirements for excimer laser beam uniformity …

Wavenumber Standards for Mid-Infrared Spectrometry

February 1, 2002
Author(s)
Leonard M. Hanssen, C. J. Zhu
… 0.01 cm-1. Yet a variety of error sources can result in much larger wavenumber scale errors for actual sample … status of wavenumber standards for the mid-infrared. In addition, important aspects of the implementation of the …

Calculation of Phase Equilibria in Candidate Solder Alloys

July 1, 2001
Author(s)
Ursula R. Kattner, C A. Handwerker
… international pressure to remove Pb from the waste stream. In the transition period from Pb-containing to Pb-free solder … is needed for the evaluation of candidate solder alloys in terms of their melting behavior and of the possible effects of Pb-contamination on manufacturing and reliability. The CALPHAD method of phase …

A Knowledge-Based Inspection Workstation

November 3, 1999
Author(s)
Elena R. Messina, John A. Horst, Thomas R. Kramer, Hui-Min Huang, Tsung-Ming Tsai, E Amatucci
… from components. Key elements of our work include in situ feature-based planning, vision-driven part pose … and software methods to facilitate construction of manufacturing controllers. These provide a rich environment in which to study the categories of knowledge that are useful …

Modeling of Sprinkler, Vent and Draft Curtain Interaction

July 5, 1999
Author(s)
Kevin B. McGrattan, Anthony P. Hamins, Glenn P. Forney
… roof vents and draft curtains of the type found in large warehouses, manufacturing facilities, and warehouse-like retail stores. In conjunction with the large scale tests, NIST developed a …

Image Sharpness Measurement in Scanning Electron Microscope - Part III

July 1, 1999
Author(s)
Samuel N. Jones, Robert D. Larrabee, Michael T. Postek, Andras Vladar, Nien F. Zhang
… scanning electron microscopes (SEM) are now commonly used in semiconductor production and other forms of manufacturing. Testing and proving that the instrument is … images is a useful methodology for sharpness measurement. In this paper, a statistical measure known as the …

Two-Dimensional Calibration Artifact and Measurement Methodology

June 1, 1999
Author(s)
Richard M. Silver, Theodore D. Doiron, William B. Penzes, S Fox, Edward A. Kornegay, S Rathjen, M Takac, D Owen
… In this paper, we describe our design and the manufacturing of a two-dimensional grid artifact of chrome on … measurement procedures and describe the algorithms used in the measurement process. We present a prototype artifact …

Performance and Modeling of Heat Flux Sensors in Different Environments

January 1, 1999
Author(s)
David G. Holmberg, C A. Womeldorf
… Heat flux measurement is not simple; care is required in selecting a suitable sensor for a given application. … the choice of sensors. Mounting of the sensor, especially in calibration versus application, influences accuracy of … present study is to increase awareness of poential errors in the heat flux sensor use. This paper compares sensor …

Data Model Development and Validation for Product Data Exchange

January 1, 1990
Author(s)
Mary Mitchell, Y Yang, S Ryan, B Martin
… Data modeling techniques have been used extensively in the development of an emerging standard for the exchange of product design and manufacturing information. PDES, Inc., an industry … which will describe the actual methods and processes used in the requirements specification activity. Three types of …

Effect of Short Cycling and Fan Delay on the Efficiency of a Modified Residential Heat Pump

January 1, 1986
Author(s)
W. J. Mulroy
… Cyclic tests were perfonned on a capillary tube heat pump in three configurations: as manufactured, as modified to … a non-bleed expansion valve unit by operation of a valve in the liquid line, and as modified to simulate an air … It was concluded that any control strategy that resulted in shortened on-cycle run times would reduce cyclic …

Interlaboratory Evaluation of the Cyclone Settled Density Test for Cellulosic Loose Fill Insulation. Final Report.

December 1, 1979
Author(s)
James R. Lawson
… test for cellulosic loose fill insulation was evaluated in an interlaboratory test program. Seven laboratories tested … location. It was concluded that none of the apparatus used in the program completely met the prescribed dimensional … with a median of 8.4 percent. The median difference in density for the materials was 28 percent when blown …

Electronic Voting

October 7, 2008
Author(s)
Rene C. Peralta
… discussion of issues related to the deployment of this technology in different countries. [Available at: …

Assessing the Benefits and Risks of Quantum Computers

July 17, 2024
Author(s)
Travis Scholten, Carl Williams, Dustin Moody, Michele Mosca, William Hurley, William J. Zeng, Matthias Troyer, Jay Gambetta
… Quantum computing is an emerging technology with potentially far-reaching implications for … vital for ensuring prudent development of, and investment in, this technology. To inform security experts and policy decision …

Chasing perfection: validation and polishing strategies for telomere-to-telomere genome assemblies

March 31, 2022
Author(s)
Ann Mc Cartney, Kishwar Shafin, Michael Alonge, Justin Zook, Adam Phillippy, Arang Rhie
… Advances in long-read sequencing technologies and genome assembly … tandem repeats, including centromeric satellite arrays in a complete hydatidiform mole (CHM13). Although derived … evidence of small errors and structural misassemblies in the initial draft assembly. To correct these errors, we …

Multiphoton quantum metrology with neither pre- nor post-selected measurements

October 21, 2021
Author(s)
Chenglong You, Mingyuan Hong, Peter Bierhorst, Adriana Lita, Scott Glancy, Steven Kolthammer, Emanuel Knill, Sae Woo Nam, Richard Mirin, Omar Magana-Loaiza, Thomas Gerrits
… technologies, which can be lifted by quantum technologies. In this regard, the possibility of using every photon … For the first time, we demonstrate a quantum enhancement in the estimation of a broad range of optical phases with … of a source of spontaneous parametric down-conversion in combination with photon-number-resolving detection. The …
Displaying 7751 - 7775 of 13218
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