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Displaying 40076 - 40100 of 74165

Measurement of Hydrogen in Metal Alloys by Magnetic and Electronic Techniques

January 1, 2004
Author(s)
P. Termsuksawad, S. Niyomsoan, Ronald B. Goldfarb, V I. Kaydanov, David Olson, B. Mishra, Z Gavra
As demonstrated in this paper, magnetic and electronic measurements can be used to quantify hydrogen availability, absorption, and desorption in materials for nickel metal-hydride batteries and hydrogen storage. The ability of a metal alloy to absorb and

Measuring Form and Radius of Spheres With Interferometry

January 1, 2004
Author(s)
Quandou (. Wang, Johannes A. Soons, Ulf Griesmann
The geometry of a nearly spherical surface, for example that of a precision optic, is completely determined by the radius of curvature at one point and deviation from the perfect spherical form at all other points of the sphere. Measurements of radius and

Micro-Differential Scanning Calorimeter for Combustible Gas Sensing

January 1, 2004
Author(s)
Richard E. Cavicchi, G Poirier, N H. Tea, Muhammad Y. Afridi, David W. Berning, Allen R. Hefner Jr., John S. Suehle, Michael Gaitan, Stephen Semancik, Christopher B. Montgomery
A micron-scale differential scanning calorimeter (mDSC) has been produced on a silicon chip allowing for microscopic differential scanning calorimetry measurements on small samples. The device consists of a suspended rectangular microhotplate with sample

Microfluidic Analogue of the 4-Roll Mill

January 1, 2004
Author(s)
Steven D. Hudson, Frederick R. Phelan Jr., Matthew D. Handler, J Cabral, Kalman D. Migler, Eric J. Amis
Microfluidic technology promises to revolutionize analytical (bio)chemistry, because molecular separations are faster, less expensive and more efficient than in traditional large scale equipment. Materials and complex-fluid sciences can likewise benefit
Displaying 40076 - 40100 of 74165
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