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Topic Area: Environment/Climate
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Displaying records 411 to 420.
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411. Updating a Turning Center Error Model by Singular Value Decomposition
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: IR 7489
Topic: Environment/Climate
Published: 3/1/2001
Authors: David E. Gilsinn, Herbert T Bandy, Alice V. Ling
Abstract: 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 modeling of machine tools is used to describe this relative position. This motion can be ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821906

412. VCI Simulation with Semiconductor Device Models: Test Report
Topic: Environment/Climate
Published: 2/29/2012
Author: John S Villarrubia
Abstract: JMONSEL, an electron beam imaging simulator, has been modified to permit conducting regions of a sample to be designated as unconnected to an external source or sink of charge (floating) or, alternatively, to be connected with a user-specified relaxa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910799

413. Variability in the Geometric Accuracy of Additively Manufactured Test Parts
Topic: Environment/Climate
Published: 8/9/2010
Authors: April Lynne Cooke, Johannes A Soons
Abstract: Results of a study on the variability in the geometric accuracy of a metal test part manufactured by several service providers using either electron beam or laser based powder bed thermal fusion processes are described. The part was a circle-diamond- ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906639

414. Visualization of Grit Interaction During the Ductile to Brittle Polishing Transition
Topic: Environment/Climate
Published: 5/1/2001
Authors: Richard B. Mindek, Christopher J. Evans, Eric Paul Whitenton
Abstract: Dual strobe and single strobe once per revolution imaging techniques are employed on the Rapidly Renewable Lap (RRL) to study the ductile to brittle transition observed during the polishing of silicon and calcium flouride. Analysis of video images d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=821877

415. WS-Biometric Devices
Topic: Environment/Climate
Published: 12/17/2013
Authors: Kevin C Mangold, Ross J Micheals
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914479

416. WSQ Problem with Two-Thumb Captures from Large Platen Live-Scan Devices
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7746
Topic: Environment/Climate
Published: 11/18/2010
Author: Craig I Watson
Abstract: This paper investigates an issue with the Wavelet Scalar Quantization (WSQ) compression algorithm which causes severe degradation of the compressed image. The problem was first noticed when compressing the two-thumb images from live-scan identificati ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907341

417. White Layers and Thermal Modeling of Hard Turned Surfaces
Topic: Environment/Climate
Published: 1/1/1997
Authors: Y K Chou, Christopher J. Evans
Abstract: White layers in hard turned surfaces are identified, characterized and measured as a function of tool flank wear and cutting speed. White layer depth generally increases with flank wear. It also increases with speed, but approaches an asymptote. A th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820003

418. White layers and thermal modeling of hard turned surfaces
Topic: Environment/Climate
Published: 1/1/1998
Authors: Y K Chou, Christopher J. Evans
Abstract: White layers in hard turned surfaces are identified, characterized and measured as a function of tool flank wear and cutting speed. White layer depth progressively increases with flank wear. It also increases with speed, but approaches an asymptote. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=820094

419. Workshop on IEEE-1588, Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7070
Topic: Environment/Climate
Published: 11/1/2003
Authors: J C Eidson, Kang B Lee
Abstract: A workshop, IEEE 1588 - Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems was held at NIST. It is co-sponsored by NIST and the Instrumentation and Measurement Society of IEEE. The workshop participa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822095

420. ^u14^C Source Apportionment Technique Applied to Wintertime Urban Aerosols and Gases for the EPA Integrated Air Cancer Project
Topic: Environment/Climate
Published: 6/1/1990
Authors: George A Klouda, Lloyd A. Currie, A. E. Sheffield, B, I, Diamondstone, Bruce A Benner Jr, Stephen A Wise, R. K. Stevens, R. G. Merrill
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902918



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