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Journals

Energy Dependent Cross Sections and Nonadiabatic Reaction Dynamics in F(²P_3/2, ²P_1/2)⁺ n-HF(v,J)+H

November 1, 1999

Author(s)

S A. Nizkorodov, W W. Harper, W B. Chapman, B W. Blackmon, David Nesbitt

High-sensitivity direct IR laser absorption methods are exploited to investigate quantum state-resolved reactive scattering dynamics of F + n-H 2(j=0,1)->HF(v,J...

Energy-Dependent Cross Sections and Nonadiabatic Reaction Dynamics in F(²P_3/2, ²P_1/2) + n-H₂ HF(v,J) + H

November 1, 1999

Author(s)

S A. Nizkorodov, W W. Harper, W B. Chapman, B W. Blackmon, David Nesbitt

High-sensitivity direct IR laser absorption methods are expoited to investigate quantum state-resolved reactive scattering dynamics of F+n-H 2(j=0,1)->HF(Ņ,J)+H...

Oxidative Coupling of Small Oligothiophenes and Oligopyrroles in Water in the Presence of Cyclodextrin. Pulse Radiolysis Investigations

November 1, 1999

Author(s)

L Guyard, P Hapiot, M Jouini, J -. Lacroix, C Lagrost, Pedatsur Neta

The oxidation of small oligothiophenes and oligopyrroles (bipyrroles) has been investigated by pulse radiolysis in aqueous solutions containing hydroxypropyl-Β...

Photochemistry of Ozone Loss in the Arctic Region in Summer (POLARIS) CACGP/IGAC 1998 Symposium (GACGP/IGAC)

November 1, 1999

Author(s)

Paul A. Newman, D W. Fahey, W H. Brune, Michael J. Kurylo III

This paper provides an introduction to the Photochemistry of Ozone Loss in the Arctic Region in Summer (POLARIS) aircraft and balloon measurement campaign that...

Gas Phase Thermochemistry of Iron Oxides and Hydroxides: Portrait of a Super-Efficient Flame Suppressant

November 1, 1999

Author(s)

C B. Kellogg, Karl Irikura

In the search for non-ozone depleting Halon (CF 3Br) replacements, several metals, including iron, have been identified as super-efficient flame suppressants...

Photoionization Efficiency Spectrum And Ionization Energy of Obro

November 1, 1999

Author(s)

R P. Thorn, L J. Stief, T J. Buckley, Russell D. Johnson III, P S. Monks, R B. Klemm

The photoionization efficiency (PIE) spectrum of OBrO was measured over the wavelength range [Lambda] = 86 - 126 nm by using a discharge flow-photoionization...

Three-Dimensional Study of Combined Conduction, Radiation, and Natural Convection from an Array of Discrete Heat Sources on a Horizontal Board in a Narrow-Aspect-Ratio Enclosure

November 1, 1999

Author(s)

V. H. Adams, Yogendra K. Joshi, David L. Blackburn

Noise Behavior of Pulsed Vertical-Cavity Surface-Emitting Lasers

November 1, 1999

Author(s)

T. W. Garrison, M. Beck, David H. Christensen

We determine the pulse energy fluctuations of vertical-cavity surface-emitting lasers by measuring the number of photoelectrons produced when a laser pulse is...

Reference Verification Fluids for Flash Point Determination

November 1, 1999

Author(s)

R G. Montemayor, J E. Rogerson, Jennifer C. Colbert, Susannah B. Schiller

The flash point of a liquid material is used to classify whether the material is flammable or combustible. 1,4-dimethylbenzene (p-xylene) has been used...

Rearrangement of Perfluorocyclobutyne

November 1, 1999

Author(s)

K B. Wiberg, M Marquez, Carlos A. Gonzalez

The energies of cyclobutyne, perfluorocyclobutyne and related compounds have been calculated at levels from MP2/6-31G* through QCISD(T)/6-311+G*, and also at...

Optimizing Utilization Efficiencies in Electronegative Discharges: The Importance of the Impedance Phase Angle

November 1, 1999

Author(s)

W R. Entley, J G. Langan, B S. Felker, Mark A. Sobolewski

We have investigated the operating conditions that result in the greatest utilization efficiencies (UEs) of NF 3, CF 4, and C 2F 6 in a capacitively coupled GEC...

Overview of the Sixth Text REtrieval Conference (TREC-6)

October 25, 1999

Author(s)

Ellen M. Voorhees, Donna K. Harman

The Text REtrieval Conference is a workshop series designed to encourage research on text retrieval for realistic applications by providing large test...

Scratch Damage in Zirconia Ceramics

October 25, 1999

Author(s)

S K. Lee, Rajan Tandon, M Readey, Brian R. Lawn

Scratch damage modes in zirconia-based ceramics, Mg-PSZ, T-TZP and Ce-TZP are investigated. Precursor indentation tests with a tungsten carbide sphere...

Molecular-Scale Characterization of the Reaction of Ozone with Decanethiol Monolayers on Au(111)

October 20, 1999

Author(s)

G Poirier, T M. Herne, Carl C. Miller, Michael J. Tarlov

The chemical reaction of ozone with decanethiol monolayers on Au(111) was characterized using X-ray photoelectron spectroscopy and scanning tunneling microscopy...

Energy Conserving Discrete Equation for Non-Ideal Systems

October 20, 1999

Author(s)

Nicos Martys

The BBGKY formalism is utilized to obtain a set of moment equations to be satisfied so as to obtain an energy conserving discrete Boltzmann equation for the...

A Simple and Powerful Heuristic for Speeding Up Force-Directed Graph Layout

October 20, 1999

Author(s)

John V. Cugini, D L. Banks

Force-directed layout is a commonly used technique to generate visually pleasing representations of graphs. The calculation time for direct implementation is...

Understanding the World of Your Enemy With I-CAT (Internet-Categorization of Attacks Toolkit)

October 19, 1999

Author(s)

Peter M. Mell

Security professionals need to understand the attacks and vulnerabilities utilized by hackers to penetrate and shut down computer systems. However, security...

Second- and First-Order Phase Transitions in the Magnetic Reoritentation of Ultrathin Fe on Gd

October 18, 1999

Author(s)

C S. Arnold, David P. Pappas

Ultrathin Fe films grown on the Gd(0001) surface exhibit a magnetic in-plane to out of plane spin-reorientation transition with increasing temperature.

SURF III - A New Electron Storage Ring at NIST

October 15, 1999

Author(s)

R A. Bosch, D E. Eisert, Mitchell L. Furst, R M. Graves, L Greenler, A D. Hamilton, L R. Hughey, R P. Madden, P Robl, Ping-Shine Shaw, W S. Trzeciak, Robert E. Vest, D Wahl

The National Institute of Standards and Technology (NIST), formerly the National Bureau of Standards (NBS), has operated the Synchrotron Ultraviolet Radiation...

Measurement and Certification in Information Technology

October 7, 1999

Author(s)

D Wallace

Achieving software certification may seem an unreasonable goal. When it comes to determining whether a software product is dependable, safe, and effective...

On Performance Statistics for Biometric Systems

October 5, 1999

Author(s)

P J. Phillips

The major contribution of this paper is a duality between the identification and verification evaluation protocols. The duality (1) gives a mapping between...

Mobile Streams: A Middleware for Reconfigurable Distributed Scripting

October 4, 1999

Author(s)

Mudumbai Ranganathan, V Schaal, V Galtier, Douglas C. Montgomery

A large class of distributed applications follow the event-driven or reactive paradigm. Such applications can benefit from Mobile Agent technology by making it...

A new model for tensile creep of silicon nitride

October 1, 1999

Author(s)

William E. Luecke, Sheldon M. Wiederhorn

The tensile creep rate of most commercial grades of Si3N4 increases strongly with stress. Although the usual power-law functions can represent the creep data...

Multi-Priority Video Transmission for Third Generation Wireless Communication Systems

October 1, 1999

Author(s)

Hamid Gharavi, S M. Alamouti

This paper presents a robust dual-priority video partitioning method suitable for twin-class unequal protected video transmission over wireless channels. The...

Guest Editorial Article (Foreword)

October 1, 1999

Author(s)

Hamid Gharavi, L Hanzo

This article provides a short overview of past and present advancements in mobile communication systems, as well as identifying major challenges for the future...

Enhancement of Mercuric Iodide Detector Performance Through Increases in Wafer Uniformity by Purification and Crystal Growth in Microgravity

October 1, 1999

Author(s)

B W. Steiner, L van den Berg, U Laor

Wafers from mercuric iodide crystals grown in microgravity on two occasions have previously been found to be characterized by a higher hole mobility-lifetime...

A Thermodynamic Assessment of the Ni-Al-B System

October 1, 1999

Author(s)

Carelyn E. Campbell, Ursula R. Kattner

The thermodynamics of the Ni-Al-B system are assessed based on available literature data. The ternary assessment included the revision of the Al-B binary...

Application of the Three Ω Method to a Film on a Substrate of Finite Thickness

October 1, 1999

Author(s)

J Y. Kim, A Feldman, Donald B. Novotny

The three omega thermal conductivity measurement method is analyzed for the case of one or more thin films on a substrate of finite thickness. The analysis is...

The Electrodeposition of Al-Cu Alloys from Room-Temperature Chloroaluminate Electrolytes

October 1, 1999

Author(s)

Gery R. Stafford, V D. Jovic, Thomas P. Moffat

The electrodeposition of Cu-Al alloys, as well as the underpotential deposition (UPD) of Al onto Cu(lll), were investigated in acidic aluminum chloride/1-methyl...

Effect of Solvent Quality on the Molecualr Dimensions of PAMAM Dendrimers

October 1, 1999

Author(s)

A Topp, Barry J. Bauer, D A. Tomalia, Eric J. Amis

The average dimensions of poly (amido amine) (PAMAM) dendrimers of generation numbers G5 and G8 are measured by small angle neutron scattering as a function of...

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