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This paper reports the results of an exploratory study on the effects of curing duration on the variation of mortar strength with distance from the drying
The performance of concrete is determined by its microstructure. Its microstructure, in turn, is determined by its composition, its curing conditions, and also
Walter J. Rossiter Jr, M Vangel, M E. McKnight, A Signor, Walter E. Byrd
A laboratory study was conducted to evaluate the reliability of commercial, field-portable ultrasonic extraction-anodic stripping voltammetry (UE/ASV) for
This publication contains the proceedings of the 32nd Joint Meeting of the U.S.-Japan Joint Panel on Wind and Seismic Effects. The meeting was held May 16-19
Three methods are presented to measure the ratio of full-screen white to full-screen black under diffuse illumination scaled to a typical illuminance level
Peter M. Ketcham, D L. Feder, Charles W. Clark, Steven G. Satterfield, Terence J. Griffin, William L. George, Barry I. Schneider, W P. Reinhardt
Theoretical aspects of Bose-Einstein condensates are investigated by conducting computer simulations of their behavior. Scientific visualization techniques are
The logging of user behavior in support of Web usability testing is constrained by the difficulty of capturing and analyzing large amounts of logged data
The problem of choosing an optimal signal set for non-Gaussian detection was reduced to a smooth inequality constrained mini-max nonlinear programming problem
This document, a revision of the 1996 edition of NIST SP 903: Directory of U.S. Private Sector Product Certification Programs, presents information on 122
This report summarizes a case study of a collaborative tool intervention within a geographically-distributed, product-development team of an automotive parts
The structural, spectroscopic, and thermodynamic properties of ten organic molecules in the gas phase, including three peroxides and four carboxylic acids, have
IPsec (Internet Protocol Security) is an attempt to utilize cryptographic techniques in a global solution to the problem of Internet security. Rather than
This TechNote has been written as a guide to the operation of and applications for the NIST Capacitor Ratio Bridge (CRB). The theory, design, and operating
The Department of Defenses Next Generation Fire Suppression Technology Program (NGP) has completed its fourth year of research with a revised goal to develop
To obtain a quantitative assessment of the state of automatic face recognition, we performed a meta-analysis of performance results of face recognition
Adolfas K. Gaigalas, L. Li, O. Henderson, R F. Vogt, J. Barr, G E. Marti, J. Weaver, A. Schwartz
The use of fluorescence as an analytical technique has been growing over the last 20 years. A major factor in inhibiting more rapid growth has been the
This report describes results of NIST's experimental program that focuses on effects of elevated temperature exposure on mechanical properties of hing strength
Steven D. Phillips, William T. Estler, Theodore D. Doiron, K Eberhardt, M Levenson
This paper is a detailed discussion of the technical aspects of the calibration process with emphasis on the definition of the measurand, the conditions under
Tsung-Ming Tsai, David Coombs, Billibon H. Yoshimi, Ernest Kent
Terrain and navigation data have been collected from sensors mounted on an autonomous offroad vehicle. Data include range images from scanning laser range
In this paper we discuss some applications of the classical Gibbs adsorption equations to specific diffuse interface models that are based on conserved and non
The probability distribution is found for the link distance between two randomly positioned mobile radios for two representative deployment scenarios: (1) the
Periodic Table: Atomic Properties of the Elements. This is version 2, which incorporates previously published revisions of mass numbers for some stable isotopes
The book examines the many challenges scientists from the National Bureau of Standards and later, the National Institute of Standards and Technology faced in
The NVLAP Directory is published annually and provides a listing of laboratories accredited by the National Voluntary Laboratory Accreditation Program (NVLAP)
The precision of manufacturing using machine tools depends on the accuracy of the relative position of the cutting tool with respect to the workpiece. Kinematic
Theodore V. Vorburger, Christopher J. Evans, William T. Estler
Traceable optics metrology is not an expensive overhead. Rather it can improve NASA's procurement process and eliminate costly Hubble-like mistakes. Improved
Andrew D. Koffman, T. M. Souders, Gerard N. Stenbakken, Hans Engler
The High-Dimensional Empirical Linear Prediction (HELP) Toolbox is an optimization tool designed specifically to meet the requirements of test and measurement