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Displaying 1126 - 1150 of 1845

Flow Measurement Proficiency Testing

April 1, 2001
Author(s)
G E. Mattingly
To eliminate measurement-base trade barriers to international commerce, Key Comparisons (KCS) are now being planned in the newly formed Working Group for Fluid Flow (WGFF) in the CIPM to quantify the equivalency of the flow standards maintained in the

Laser-Excited Hot-Electron Induced Desorption

March 1, 2001
Author(s)
John William Gadzuk
The history and technical highlights leading up to and following the publication of a classic NIST publication on the theory and experiments involving optical-laser induced desorption of adsorbed NO from metal surfaces is presented.

Periodic Table: Atomic Properties of the Elements

March 1, 2001
Author(s)
Robert A. Dragoset
Periodic Table: Atomic Properties of the Elements. This is version 2, which incorporates previously published revisions of mass numbers for some stable isotopes.

Reference Materials for DNA Analysis

March 1, 2001
Author(s)
Barbara C. Levin, D J. Reeder
Mention has already been made, in Section 5.1. Of the use of DNA-based techniques for control of microbiological DNA. In parallel to the work of ATCC the USA National Institute of Standards and Technology (NIST) developed three Standard Reference Materials

The Development of Fluorescence Intensity Standards

March 1, 2001
Author(s)
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 inability to make comparable fluorescence intensity measurements across laboratories. NIST recognizes

Vapor Entraining Magnetic Mixer for Reaction and Equilibrium Applications

March 1, 2001
Author(s)
Thomas J. Bruno, Michael C. Rybowiak
Mixing of fluids is a central component to innumerable operations in chemical processing on the plant floor and also in many laboratory operations. Most mixing applications simply require the efficient blending of fluids present in a single phase, such as
Displaying 1126 - 1150 of 1845