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Displaying 29826 - 29850 of 73461

Surfaces Formed by Subcritical Crack Growth in Silicate Glasses

October 16, 2008
Author(s)
J -. Guin, Sheldon M. Wiederhorn
The topology of surfaces formed by subcritical crack growth was investigated by the method of mapping using atomic force microscopy. The objective of the study was to determine how well the upper and lower surfaces matched after they have been formed by a

Surfaces, Interfaces, and Changing Shapes

October 16, 2008
Author(s)
Daniel Josell, F Spaepen
It is generally recognized that the capillary forces associated with internal and external interfaces affect both the shapes of liquid-vapor surfaces and wetting of a solid by a liquid. It is less commonly understood that the same phenomenology often

Swelling of Grafted Polymer Brushes

October 16, 2008
Author(s)
Jack Douglas, M S. Kent, Sushil K. Satija, Alamgir Karim
The end-grafting of polymer chains to surfaces provides a robust method for modifying surface properties. Such layers are increasingly being employed in applications-modifying the biocompatibility of implants, the wetting, adhesive and frictional

Symposium on Cleanliness of Biomedical Devices

October 16, 2008
Author(s)
John A. Tesk
An outline of the kinds of papers appropriate for an ASTM Symposium on Cleanliness of Medical Implants, May 2005 is presented, with example of the topical areas of interest. Organizations from which papers are sought include:The U.S. Food and drug

Technetium: The Element That Was Discovered Twice

October 16, 2008
Author(s)
J T. Armstrong
If you read about technetium in the Handbook of Chemistry and Physics (see Technetium at a Glance) you might think you knew all you needed to about its discovery and existence. That s how I felt the first time I had to deal with this rare element. But

Temperature Dependent Magnetization Reversal in (Co/Pt)/Ru Multilayers

October 16, 2008
Author(s)
Joseph E. Davies, O Hellwig, E E. Fullerton, K Liu
Antiferromagnetically coupled (Co/Pt)/Ru multilayers with perpendicular anisotropy have been shown to exhibit both vertically and laterally correlated magnetization reversal modes. In this work the magnetization reversal of a multilayer film whose layer

The 1998 American Ceramic Society Annual Meeting--A Centennial Celebration

October 16, 2008
Author(s)
Winnie Wong-Ng
The 1998 annual meeting of the American Ceramics Society (ACerS) and exposition represented a unique milestone. It was the beginning of the centennial celebration and it was a once-in-a-lifetime experience for the ACerS members. This very special meeting

The Accreditation Process According to ISO/IEC Guide 25

October 16, 2008
Author(s)
K N. Parson
This document consists of instructional material developed by a private sector contractor for use in training laboratories and laboratory accreditors, esecially in Latin American countries. It describes the process according to ISO/IEC Guide 25 and offers

The Advanced Technology Program's Approach to Technology Diffusion

October 16, 2008
Author(s)
R T. Ruegg
This paper examines the approach to technology diffusion of a public-private partnership program in the United States, the Advanced Technology Program (ATP), that puts industry in the lead and emphasizes spillover effects for national economic benefit. The

The Advanced Technology Program's Evaluation Plan & Progress

October 16, 2008
Author(s)
F A. Moris
The Advanced Technology Program [ATP] partners with U.S. businesses to share the costs of high-risk scientific research aimed at developing enabling technologies with strong potential for broad-based economic benefits. Universities and non-profit research

The Collapse of the World Trade Center Twin Towers: A Metallurgist's View

October 16, 2008
Author(s)
Frank W. Gayle
The National Institute of Standards and Technology (NIST) has completed its four-year investigation of the World Trade Center disaster. The investigation addressed many aspects of the catastrophe, from occupant egress to factors affecting how long the Twin

The Customer Speaks: Satisfaction With and Use of Library Resources

October 16, 2008
Author(s)
Barbara P. Silcox
The Research Advisory Committee (RAC) at the National Institute of Standards and Technology in its 2000 Annual Report to the NIST Director expressed concern that the NIST Research Library would not be able to meet the research needs of the scientific and
Displaying 29826 - 29850 of 73461
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