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Displaying 56526 - 56550 of 74176

Quantifying the Ignition Propensity of Cigarettes

July 1, 1995
Author(s)
Thomas J. Ohlemiller, K M. Villa, E Braun, K Eberhardt, Richard H. Harris Jr., James R. Lawson, Richard G. Gann
Research funded under the Fire Safe Cigarette Act of 1990 (United States Public Law 101-35) has led to the development of two test methods for measuring the ignition propensity of cigarettes. The Mock-Up Ignition Test Method uses substrates physically

Volume Rendering of Pool Fire Data

July 1, 1995
Author(s)
H. Rushmeier, Anthony Hamins, M Y. Choi
In a pool fire, an ignited puddle or pool of liquid fuel burns in the atmosphere. Understanding pool fires is important to devising methods to control the hazards resulting from spilled fuels. In this case study we consider techniques for visualizing the

Nanofabrication of a two-dimensional array using laser-focused atomic deposition

June 27, 1995
Author(s)
R Gupta, Robert Celotta, Zeina J. Kubarych, J Mcclelland
Fabrication of a two-dimensional array of nanometer-scale chromium features on a silicon substrate by laser-focused atomic deposition is described. Features 13? 1 nm high and having a full-width at half maximum of 80? 10 nm are fabricated in a square array

Characteristics of Pool Fire Burning

June 20, 1995
Author(s)
Anthony P. Hamins, Takashi Kashiwagi, R Buch
The structure and energetics of hydrocarbons burning in a pool fire configuration are reviewed. Examples of non-hydrocarbons are also presented. The character and structure of pool fires are discussed with special regard to the flame shape, flame pulsation

Histopathological Reactions of Calcium Phosphate Cements in Periodontal Bone Defect

June 14, 1995
Author(s)
K Fujikawa, A Sugawara, S K. Kusama, S Murai, M Nishiyama, I Moro, Shozo Takagi, Laurence Chow
Previous studies have demonstrated that a calcium phosphate cement (CPC), consisting of tetracalcium phosphate (TTCP) and dicalcium phosphate anhydrous (DCPA), and a new calcium phosphate cement (N-CPC), consisting of [alpha]-tricalcium phosphate (TCP) and

Experiments at NIST with Trapped Ions: 3-D Zero-Point Cooling, Quantum Gates, Bragg Scattering, and Atomic Clocks

June 12, 1995
Author(s)
C Monroe, A S. Barton, James C. Bergquist, D J. Berkeland, John Bollinger, F C. Cruz, Wayne M. Itano, Steven R. Jefferts, Branislav M. Jelenkovic, B E. King, D M. Meekhof, J D. Miller, M E. Poitzsch, Joseph N. Tan
We have recently used stimulated-Raman transitions in the resolved sideband regime to cool single ions to the n = 0 zero-point energy. This has allowed realizations of the Jaynes-Cummings model interaction for atomic motion and a quantum controlled-NOT
Displaying 56526 - 56550 of 74176
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