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Displaying 56401 - 56425 of 74214

Storage and Discharge Characteristics of Halon Alternatives

October 21, 1995
Author(s)
Jiann C. Yang, Thomas G. Cleary, I Vazquez, C I. Boyer, M D. King, B D. Breuel, Marcia L. Huber, L Weber
Three important issues regarding the use of halon alternatives for in-flight fire protection applications were studied as part of the current halon alternative research program at the National Institute of Standards and Technology (NIST): (1) the

Suppression Criteria in Engine Nacelle Fires

October 21, 1995
Author(s)
Anthony P. Hamins, Thomas G. Cleary
A series of experimental measurements were conducted and simple models were developed in an effort to provide an improved understanding of the influence of various parameters on the processes controlling flame stability in engine nacelle applications. The

Effect of CF3H and CF3Br on Laminar Diffusion Flames in Normal and Microgravity

October 16, 1995
Author(s)
B. A. VanDerWege, M T. Bush, S Hochgreb, Gregory T. Linteris
Due to the ban on production of bromotrifluoromethane (CF3Br) because of its high ozone destruction potential, there has been recent interest in finding a replacement for it for fire extinguishing applications. While a variety of potential replacements are

An Introduction to Computer Security: the NIST Handbook

October 2, 1995
Author(s)
Barbara Guttman, E Roback
This handbook provides assistance in securing computer-based resources (including hardware, software, and information) by explaining important concepts, cost considerations, and interrelationships of security controls. It illustrates the benefits of

Telecommunications Security Guidelines for Telecommunications Management Network

October 2, 1995
Author(s)
John Kimmins, Charles Dinkel, Dale Walters
This Telecommunication Security Guideline is intended to provide a security baseline for Network Elements (NEs) and Mediation Devices (MDs) that is based on commercial security needs. In addition, some National Security and Emergency Preparedness (NS/EP)

Atom-Optical Properties of a Standing-Wave Light Field

October 1, 1995
Author(s)
Jabez J. McClelland
The focusing of atoms to nanometer-scale dimensions by a near-resonant standing-wave light field is examined from a particle optics perspective. The classical equation of motion for atoms traveling through the lens formed by a node of the standing wave is

Coaxial Line-Reflect-Match Calibration

October 1, 1995
Author(s)
Jeffrey A. Jargon, Roger Marks, Dylan F. Williams
We describe a coaxial line-reflect-match calibration that corrects for imperfections in the load used as a match standard. The method provides a practical means of obtaining accurate, wideband calibrations with compact coaxial standard sets. When our load

Elastic Properties of Particle-Occlusion Composites: Measurements and Modeling

October 1, 1995
Author(s)
H M. Ledbetter, S K. Datta, Martin Dunn
We review some of our recent studies on the effective elastic constants of composites where the occluded phase is spherical or spheroidal (oblate or prolate). From constituent properties and phase geometry, we estimated the composites effective macroscopic

Electrical Measurements of Microwave Flip-Chip Interconnections

October 1, 1995
Author(s)
Roger Marks, Jeffrey A. Jargon, C. K. Pao, C. P. Wen
Abstract: We apply custom calibration standards and software to the accurate on-wafer measurement of components on flip-chip coplanar-waveguide MM ICs. We characterize transmission lines, M IM capacitors, and spiral inductors and develop equivalent circuit
Displaying 56401 - 56425 of 74214
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