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Topic Area: Environment/Climate

Displaying records 81 to 90 of 401 records.
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81. Measurement Challenges to Innovation in the Biosciences: Critical Roles for NIST
Series: OTHER
Report Number: 903034
Topic: Environment/Climate
Published: 6/1/2009
Authors: Willie E May, Michael D. Amos, Joan Pellegrino
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902138

82. Characterization of Ambient Temperature Cure Epoxies Used in Adhesive Anchor Applications
Topic: Environment/Climate
Published: 5/20/2009
Authors: Joannie W Chin, Aaron M Forster, Cyril Clerici, Donald Lee Hunston
Abstract: Thermo-viscoelastic properties and creep response of two commercial, ambient temperature cure epoxy structural adhesives were analyzed and compared. The adhesives were formulated by the same manufacturer and appeared to have the same base chemistry; ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901504

83. The Origin of Critical Relative Humidity in Adhesion
Topic: Environment/Climate
Published: 5/11/2009
Authors: Christopher C White, Kar Tean Tan, Bryan D. Vogt, Donald Lee Hunston
Abstract: Water is ubiquitous in the atmosphere. Unfortunately, adhesive bonding is susceptible to the environmental attack of water leading to significant depreciation in joint strength and subsequently to premature failures [1-6]. This susceptibility of bond ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902176

84. Implementation of Dynamic Material Property Data in Finite-Element Modeling Simulations
Topic: Environment/Climate
Published: 9/16/2008
Authors: Jarred C. Heigel, Robert W Ivester, Eric P Whitenton
Abstract: This paper presents a method of implementing dynamic material properties obtained through pulse-heated Kolsky Bar (Split-Hopkinson Bar) experimentation into commercially available finite-element simulation software. Material property data collected ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824696

85. Measurement and Characterization of Dynamics in Machining Chip Segmentation
Topic: Environment/Climate
Published: 9/16/2008
Authors: Eric P Whitenton, Jarred C. Heigel, Robert W Ivester
Abstract: Comparing measured chip formation characteristics to those predicted by machining models is an important technique for testing the validity of those models. These characteristics include whether a chip is continuous or segmented, as well as the frequ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824652

86. Knowledge-Intensive Collaborative Decision Support for Design Processes: A Hybrid Decision Support Model and Agent
Topic: Environment/Climate
Published: 9/10/2008
Authors: XuanFang Zha, Ram D Sriram, M Fernandez, F Mistree
Abstract: This paper proposes a hybrid decision support model within a multi-agent framework to facilitate integration and collaboration for design decisions in decision-based design. The hybrid decision model integrates the compromise decision support probl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=824714

87. Guide to Using Programs to Estimate UV Dosage and Damage
Series: NIST Interagency/Internal Report (NISTIR)
Topic: Environment/Climate
Published: 6/4/2008
Author: Brian Dickens
Abstract: The system of programs described in this paper is concerned with estimating the damage ensuing from exposure of specimens in dry and humid atmospheres to UV and visible radiation covering the solar range. Damage is monitored quantitatively by changes ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861532

88. Consideration and Influence of Complexed forms of Mercury Species on the reactivity Patterns Determined by Speciated Isotope Dilution Model Approaches: A Case for Natural Biological Reference Materials
Topic: Environment/Climate
Published: 6/1/2008
Authors: David Point, J. I. Garcia Alonso, William C Davis, Steven J Christopher, Aurore Guichard, O.F. X. Donard, Paul R Becker, Gregory C Turk, Stephen A Wise
Abstract: The origins and the processes driving the inadvertent transformations of inorganic mercury (iHg) and methylmercury (MeHg) in cryogenically stored and homogenized fresh-frozen versus freeze-dried biological Standard Reference Materials (SRM) were inve ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=832174

89. Design and Applications of the National Institute of Standards and Technology s (NIST s) Environmental Specimen Banking Programs
Topic: Environment/Climate
Published: 6/1/2008
Authors: Rebecca S Pugh, Paul R Becker, Barbara J. Porter, Michael B. Ellisor, Amanda J Moors, Stephen A Wise
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902883

90. Cutting Temperature Measurements of Segmented Chips using Dual-Spectrum High-Speed Microvideography
Report Number: 823005
Topic: Environment/Climate
Published: 5/20/2008
Authors: Jarred C. Heigel, Robert W Ivester, Eric P Whitenton
Abstract: Dual-Spectrum high speed microvideography involves the use of synchronized high speed visible light (30,000 frames/s) and infrared (600 frames/s) cameras. This paper presents analysis method and results of such a system to determine chip temperatures ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=823005