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Displaying 14201 - 14225 of 73697

Effects of Polarity on Grain Boundary Migration in ZnO

February 19, 2017
Author(s)
Jong S. Lee, Sheldon M. Wiederhorn
Boundary migration of ZnO has been investigated using single crystals with defined crystallographic orientations. The migration rate of the basal C planes depended on the crystallographic polarity: Zn-terminated positive (0001)-planes. The migration in the

Energy Escalation Rate Calculator (EERC1.0-03)

February 19, 2017
Author(s)
L I. Schultz, S Fuller
The Energy Escalation Rate Calculator (EERC) computes an average annual escalation rate for fuel prices, based on the annual energy price forecasts of the Energy Information Administration (EIA) of the U.S. Department of Energy (DOE). This rate is used to

Enviromental Concerns Facing the Ceramics Industry

February 19, 2017
Author(s)
Stephen W. Freiman
Over the past few years, there has been increased attention paid by ceramic manufacturers in the United States to environmental issues facing their businesses. In a recent survey of its members, the environment was identified as the primary issue facing

Establishing a World-Wide Unified Rockwell Hardness Scale Using Standard Diamond Indenters

February 19, 2017
Author(s)
S Desogus, A Germak, H Ishida, T Polzin, H Yang, Jun-Feng Song, Samuel Low, David J. Pitchure
Recently developed microform measurement techniques have reduced the measurement uncertainties in the geometry of Rockwell diamond indenters. It is now possible to establish standard grade Rockwell diamond indenters characterized by high geometry

Experts Evaluate Pulsed Laser Deposition Technology

February 19, 2017
Author(s)
John W. Hastie, D W. Bonnell, D Chrissey
The National Institute of Standards and Technology (NIST, Gaithersburg, MD) and The Naval Research Laboratory (NRL, Washington, DC) jointly hosted a workshop entitled Pulsed Laser Deposition (PLD) Technological Barriers: Research Needs and Opportunities

Extracting Two Parameters From a P2 Orientation Distribution

February 19, 2017
Author(s)
Curtis Meuse, Joseph B. Hubbard
Individual molecules are seldom identical. This poses a problem for optical spectroscopy. For instance, if molecular property distributions are not characterized, differences in the distribution of molecular properties between sample and standards are

Factors Affecting the Service Life of Seams of EPDM Roof Membranes

February 19, 2017
Author(s)
Walter J. Rossiter Jr, Jonathan W. Martin
A quarter century ago, a revolution occurred in the U.S. low-sloped roofing industry with the introduction of a number of new membrane products including elastomeric and thermoplastic polymeric membranes and polymer-modified bituminous membranes. Today

Federal Investigation of the Evacuation of the World Trade Center on September 11, 2001

February 19, 2017
Author(s)
Jason D. Averill, Dennis S. Mileti, Richard D. Peacock, Erica D. Kuligowski, N Groner, Guylene Proulx, H Nelson
This paper presents the findings of the NIST World Trade Center Investigation describing the occupant evacuation of WTC 1 and WTC 2 on September 11, 2001. The egress system, including stairwells and elevators, is described along with the evacuation

Final Report for:EPA: LAG No. DW-13-93903501-0 Expanding a Tool for Predicting Chloride Diffusivity in Concrete So It Can Be Used by Manufacturers to Evaluate the Durability of Concrete Made With Blended Cements. Part I: Characterizing Blended Cement...

February 19, 2017
Author(s)
X Feng, Edward Garboczi, Jeffrey W. Bullard, Kenneth A. Snyder, Paul E. Stutzman, T Mason
This report summarizes a project that dealt with the characterization of a fly ash and fly-ash blended cement material, so that these could be incorporated into the Virtual Cement and Concrete Testing Laboratory (VCCTL) software. The information generated

Fire as a Building Load

February 19, 2017
Author(s)
Richard W. Bukowski
The concept of designing buildings to resist loads is fundamental to the design and regulatory process. Fire has traditionally been addressed differently because fires are difficult to describe in the same way as other building loads. This paper proposes a
Displaying 14201 - 14225 of 73697
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