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Displaying 41251 - 41275 of 73697

In-Situ Burning in the Marshland Environment - Recovery and Regrowth of Spartina Alterniflora, Spartina Patens, and Sagittaria Lancifolia Plants

March 1, 2003
Author(s)
I A. Mendelson, Q N. Lin, Nelson P. Bryner, William D. Walton, W H. Twilley, J V. Mullin
In a series of in-situ burns involving 330 plant mesocosms, including Spartina Alterniflora, Spartina Patens, Distichlis spicata, and Sagittaria Lancifolia sods were exposed to burning diesel fuel or crude oil. Oil spilled in sensitive wetlands pose unique

In-Situ Burning in the Marshland Environment - Soil Temperatures Resulting From Crude Oil and Diesel Fuel Burns (NIST SP 995)

March 1, 2003
Author(s)
Nelson P. Bryner, William D. Walton, W H. Twilley, G Roadarmel, I. A. Mendelssohn, J. V. Mullin
A series of burns was conducted to evaluate the impact of intentional burning of an oil spill in a marshland environment. Oil spilled in sensitive wetland environments pose unique problems associated with cleanup because mechanical recovery in wetlands may

In-Situ Burning in the Marshland Environment-Soil Temperatures. Volume 2 (NIST SP 995)

March 1, 2003
Author(s)
Nelson P. Bryner, William D. Walton, Laurean A. DeLauter, W H. Twilley, I. A. Mendelssohn, Q. Lin
A series of burns was conducted to evaluate the impact of intentional burning of an oil spill in a marshland environment. Oil spilled in sensitive wetland environments pose unique problems associated with cleanup because mechanical recovery in wetlands may

In-Situ Burning of Oil Spills: Mesoscale Experiments (NIST SP 995)

March 1, 2003
Author(s)
D. D. Evans, William D. Walton, Howard R. Baum, Kathy A. Notarianni, James R. Lawson, Hai C. Tang, K. R. Keydel, Ronald G. Rehm, Daniel M. Madrzykowski, Richard H. Zile, H Koseki, E J. Tennyson
In 1991 a series of 14 mesoscale fire experiments were performed to measure the burning characteristics of crude oil on salt water. These oil burns in a pan ranged in size from 6 m square to 15 m square. Results of the measurements for burning rate and

Joint Distribution of Link Distances

March 1, 2003
Author(s)
Leonard E. Miller
The calculation of two-hop connectivity between two terminals for randomly deployed wireless networks requires the joint probability distribution of the distances between these terminals and the terminal that is acting as a relay. In general the distances

Large Fires: Kuwait (NIST SP 995)

March 1, 2003
Author(s)
Daniel M. Madrzykowski, D. D. Evans, G A. Haynes
A series of measurements were made in the Al Mawqa/Al Ahmadi oil field region of Kuwait to explore the feasibility of assessing the heat release rate of individual well fires through flame height and thermal radiation measurements. The 12 fires measured

Line Assignments and Global Analysis of the Tunneling-Rotational Microwave Absorption Spectrum of Dimethyl Methylphosphonate

March 1, 2003
Author(s)
N Ohashi, J Pyka, G Y. Golubiatnikow, Jon T. Hougen, R D. Suenram, Francis J. Lovas, A Lesarri, Y Kawashima
Line assignments were carried out for about 600 Fourier transform microwave transitions for dimethyl methylphosphonate involving levels of all six symmetry species in the G 18 molecular symmetry group appropriate for three large-amplitude motions and

Literature Review on Enclosure of Elevator Lobbies

March 1, 2003
Author(s)
D W. Stroup
A literature survey was conducted to explore the need and appropriate systems for protecting elevator lobbies from smoke migration. The focus is on smoke spread through elevator shafts and lobbies, building occupant and fire fighter use of elevators during

Magnetic Thin Film Interlaboratory Comparison

March 1, 2003
Author(s)
Fabio C. da Silva, David P. Pappas, C. M. Wang
A potential low magnetic moment standard reference material (SRM) was studied in an interlaboratory comparison. The mean and the standard deviation of the saturation moment m s, the remanent moment m r, and the intrinsic coercivity H c of nine samples were

Magnetization Dynamics Modeled in Magnetic Thin Films

March 1, 2003
Author(s)
Robert D. McMichael
One of the challenges facing designers of high data rate computer hard drives and magnetic memory chips is that for most magnetic metals, it typically takes a fewnanoseconds for the magnetization to come to rest after it has been switched or bumped by a

Managing Content and E-Resources on the NIST Virtual Library (NVL)

March 1, 2003
Author(s)
Susan L. Makar
In May 2002, the Information Services Division (ISD) of Technology Services (TS) at the National Institute of Standards and Technology (NIST) implemented a content management system that greatly facilitates maintenance of the Division's Web site, the NIST

Measured Performance of a 35 Kilowatt Roof Top Photovoltaic System

March 1, 2003
Author(s)
Arthur H. Fanney, E R. Weise, K R. Henderson
A 35-kilowatt roof top photovoltaic system has been installed at the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland. The system, located on a the roof that connects NIST s Administration Building to its adjoining conference

Measurement of Large Scale Oil Spill Burns (NIST SP 995)

March 1, 2003
Author(s)
D D. Evans, William D. Walton, Howard R. Baum, James R. Lawson, Ronald G. Rehm, Richard H. Harris Jr., A Ghoniem, J Holland
Research has shown that burning can be an effective means to remove oil from the surface of the water. The combustion characteristics of crude oil have been measured in large laboratory tests using a nominal one meter diameter pool fire. This work reports

Modeling Distributed Kinetics in Isolated Semiconductor Quantum Dots

March 1, 2003
Author(s)
M Kuno, D P. Fromm, S T. Johnson, Alan Gallagher, David Nesbitt
tailed modeling of recently observed nonexponential fluorescence intermittency in colloidal semiconductor quantum dots (QDs) is presented. In particular, experiments have shown that both on-time and off-time probability densities generated from single-QD
Displaying 41251 - 41275 of 73697
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