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Journals

Isochoric p-rho-T Measurements for Binary Refrigerant Mixtures Containing Difluoromethane (R32), Pentafluoroethane (R125), 1,1,1,2-Tetrafluoroethane (R134a), and 1,1,1-Trifluoroethane (R143a) from 200 to 400 K at Pressures to 35 Mpa

January 1, 2000

Author(s)

Joe W. Magee, William M. Haynes

The p-p-T relationships were measured for binary refrigerant mixtures by an isochoric method with gravimetric determinations of the amount of substance...

A to Z of Thermodynamics

January 1, 2000

Author(s)

Robert N. Goldberg

This is a book review of A to Z of Thermodynamics, by P. Perrot.

The Electron Microscope: The Materials Characterization Tool of the Millenium

January 1, 2000

Author(s)

Dale E. Newbury, D B. Williams

Transmission and scanning electron microscopes (TEM and SEM) together offer the most complete tool available for the characterization of materials. This...

Experimental Test of Blind Tip Reconstruction for Scanning Probe Microscopy

January 1, 2000

Author(s)

Samuel Dongmo, John S. Villarrubia, Samuel N. Jones, Thomas B. Renegar, Michael T. Postek, Jun-Feng Song

Determination of the tip geometry is a prerequisite to converting the scanning probe microscope (SPM) from a simple imaging instrument to a tool that can...

Networking of Welding Applications: A Tutorial - Knowing the Basics Behind Network Technology Will Help Users of Welding Equipment Identify Where Networks May Be Most Beneficial

January 1, 2000

Author(s)

William G. Rippey, James D. Gilsinn, L Flitter

This article describes the basics of network technology and how networks are being applied to commercial welding applications. The goal is to help non-computer...

Angular Distribution of Light Scattered From a Sinusoidal Grating

January 1, 2000

Author(s)

Egon Marx, Thomas A. Germer, Theodore V. Vorburger, B C. Park

The angular distributions of light scattered by gold-coated and aluminum-coated gratings having amplitudes of ~90 nm and periods of 6.67 ¿m were measured and...

Probing of Two-Dimensional Grid Patterns by Means of Camera Based Image Processing

January 1, 2000

Author(s)

Martin Schroeck, Theodore D. Doiron

Camera based probes and machine vision have found increased use in coordinate measuring machines over the past years and the calibration of artifacts for these...

Predictive Model for Scanned Probe Oxidation Kinetics

January 1, 2000

Author(s)

John A. Dagata, F Perez-murano, G Abadal, K Morimoto, T Inoue, J Itoh, H Yokoyama

Previous descriptions of scanned probe oxidation kinetics involved implicit assumptions that one-dimensional, steady-state models apply for arbitrary values of...

A Fast Algorithm for Determining the Gaussian Filter Mean Line in Surface Metrology

January 1, 2000

Author(s)

Y B. Yuan, X F. Qiang, Jun-Feng Song, Theodore V. Vorburger

A fast algorithm for assessing the Gaussian filtered mean line was deduced using the central limit theorem and an approximation method. This algorithm only uses...

A Standards Infrastructure for the Future

January 1, 2000

Author(s)

Belinda L. Collins

This paper presents several approaches for a global standards infrastructure, from the viewpoint of the United States, and from the National Institute of...

Preserving the Miracle

January 1, 2000

Author(s)

W G. Leight

This article discusses how standards are developed; the roles played by the private sector and by government, including mandates of the National Technology...

Journal of Research of the National Institute of Standards and Technology

January 1, 2000

Author(s)

Dale E. Newbury, Ryna B. Marinenko

The Journal of Research of the National Institute of Standards and Technology reports NIST research and development in those disciplines of the physical and...

Decoherence of Quantum Superpositions Through Coupling to Engineering Reservoirs

January 1, 2000

Author(s)

C J. Myatt, B E. King, Q A. Turchette, C A. Sackett, D Kielpinski, Wayne M. Itano, W M. Monroe, David J. Wineland

The theory of quantum mechanics applies to closed systems. In such ideal situations, a single atom can, for example, exist simultaneously in a superposition of...

NIST Unveils Status of PIM Testing

January 1, 2000

Author(s)

Jeffrey Jargon, Donald C. DeGroot

In response to requests by U.S. industry and members of the International Electrotechnical Commision, the National Institute of Standards and Technology...

Transport Property Measurements on the IUPAC Sample of 1,1,1,2-Tetrafluoroethane (R134a)

January 1, 2000

Author(s)

Marc J. Assael, A Leipertz, E MacPherson, Y Nagasaka, Carlos A. Nieto de Castro, Richard A. Perkins, K Strom, Eric M. Vogel, William A. Wakeham

This paper reports the results of an international project coordinated by the Subcommittee on Transport Properties of Commission 1.2 of the International Union...

Cyclic Testing of Steel Moment Frame Connections Rehabilitated with RBS or Welded Haunch

January 1, 2000

Author(s)

Chia-Ming Uang, Q -. Yu, S Noel, John L. Gross

The effectiveness of using the reduced beam section (RBS) and welded haunch for seismic rehabilitation of pre-Northridge steel moment connections was...

Seismic Rehabilitation Design of Steel Moment Connection with Welded Haunch

January 1, 2000

Author(s)

Q -. Yu, Chia-Ming Uang, John L. Gross

This paper describes a design procedure for the seismic rehabilitation of pre-Northridge steel moment connections using a welded haunch. Experimental results...

Growth Inhibition and Transient Temperature Measurement of Laser-Irradiated Hair Fibers and Follicles

January 1, 2000

Author(s)

L K. Iwaki, T Heimer, Edwin J. Heilweil, P A. Manos

Temperature changes, infrared (IR) images, and heat propagation kinetics of laser irradiated hair fibers and live follicles were measured using a cooled InSb...