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Displaying 4001 - 4025 of 7112

Digital Signature Standard (DSS)

July 19, 2013
Author(s)
National Institute of Standards and Technology (NIST), Elaine Barker
This Standard specifies a suite of algorithms that can be used to generate a digital signature. Digital signatures are used to detect unauthorized modifications to data and to authenticate the identity of the signatory. In addition, the recipient of signed

Quantum information processing and quantum control with trapped atomic ions

December 14, 2009
Author(s)
David J. Wineland
The role of trapped atomic ions in the field of quantum information processing is briefly reviewed. We discuss some of the historical developments that enabled ions to enter the field and then summarize the basic mechanisms required for logic gates and the

Radiation-Based Quantitative Bioimaging at NIST

August 1, 2009
Author(s)
Lisa R. Karam
The National Institute of Standards and Technology (NIST) provides the physical measurements and standards in a variety of fields, including for ionizing radiation, for the US. Building on a long history of providing standards for medical x rays and

GSM Mobile Device and Associated Media Tool Specification

January 6, 2009
Author(s)
Richard Ayers
Mobile devices incorporating cellular capabilities are ubiquitous and contain a wealth of personal information useful in criminal cases, civil disputes, employment proceedings, and recreation of incidents. Due to the rapid rate of mobile devices appearing

The Keyed-Hash Message Authentication Code (HMAC)

July 16, 2008
Author(s)
National Institute of Standards and Technology (NIST), Quynh Dang
This Standard describes a keyed-hash message authentication code (HMAC), a mechanism for message authentication using cryptographic hash functions. HMAC can be used with any iterative Approved cryptographic hash function, in combination with a shared

The Virtual Cement and Concrete Testing Laboratory Version 3.0

January 1, 2003
Author(s)
Jeffrey W. Bullard
This NISTIR serves as the user's manual for Version 3.0 of the Virtual Cement and Concrete Testing Laboratory (VCCTL). Using the VCCTL, a user may create starting microstructures of cement (gypsum, fly ash, etc.) particles in water, hydrate the

Apparatus for Light Scattering Studies of Smoke Particles

March 25, 2001
Author(s)
George W. Mulholland, D W. Weinert
A facility for measuring the light scattered by smokes as a function of the scattering angle and linear polarization has been developed. By using monosize polystyrene calibration particles and filter collection for gravimeteric measurement, we are able for

User's Guide to the NIST Virtual Cement and Concrete Testing Laboratory. Version 1.0

November 1, 2000
Author(s)
Jeffrey W. Bullard, Chiara F. Ferraris, Edward J. Garboczi, Nicos Martys, Paul E. Stutzman
This NISTIR serves as the user's manual for Version 1.0 of the Virtual Cement and Concrete Testing Laboratory (VCCTL). Using the VCCTL, a user may create starting microstructures of cement (gypsum, fly ash, etc.) particles in water, hydrate the

Measurement and Certification in Information Technology

October 7, 1999
Author(s)
D Wallace
Achieving software certification may seem an unreasonable goal. When it comes to determining whether a software product is dependable, safe, and effective, consumers of many types of software are largely on their own. Yet, today's methods provide many

NGIS SIM Specification

January 1, 1998
Author(s)
William G. Rippey, John L. Michaloski, Martin Herman, Sandor S. Szabo, W Dewys, N Frampton

Calculating Flame Spread on Horizontal and Vertical Surfaces.

April 1, 1994
Author(s)
Walter W. Jones, G N. Ahmed, M A. Dietenberger
The flame spread model described in this paper is a new algorithm which provdes the capability to calculate a self-consistent fire based substantually on bench scale fire data. The flame spread model simulates object fire growth and burnout of a slab in a

Smoke Control Systems for Elevator Fire Evacuation

February 19, 1991
Author(s)
J H. Klote, G. T. Tamura
Some people cannot use stairwells because of physical disabilities, and for these people fire evacuation is a serious problem. A potential solution to this problem is the use of elevators for fire evacuation. A joint project of the U. S. National Institute
Displaying 4001 - 4025 of 7112
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