Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

Design of Occupant Egress Systems for Tall Buildings

April 19, 2004

Author(s)

Erica D. Kuligowski, Richard W. Bukowski

This paper presents an overview of current work and a discussion of the features of protected elevator systems that can provide safe and reliable operation both...

Seventh International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors (M²dS-Rio)

April 19, 2004

Author(s)

Winnie K. Wong-Ng

ThermoML-an XML Based Approach for Storage and Exchange of Experimental and Critically Evaluated Thermophysical and Thermochemical Property Data 3. Critically Evaluated Data, Predicted Data and Equation Representation.

April 17, 2004

Author(s)

Michael D. Frenkel, Robert D. Chirico, Vladimir Diky, K N. Marsh, J H. Dymond, William A. Wakeham

Performance Evaluation Facility for LADARs

April 12, 2004

Author(s)

Geraldine S. Cheok, William C. Stone

The use and scope of LADAR (laser detection and ranging) applications continues to expand as the technology matures. This growth is reflected in the National...

Structure and Reaction in the Active Site of Mammalian Adenylyl Cyclase

April 8, 2004

Author(s)

Y. S. Lee, Morris Krauss

The reaction path for the catalytic conversion of adenosine triphosphate (ATP) to cyclic adenosine monophosphate (cAMP) by the enzyme mammalian adenylyl cyclase...

Microfabricated alkali atom vapor cells

April 5, 2004

Author(s)

Li-Anne Liew, Svenja A. Knappe, John M. Moreland, Hugh Robinson, David C. Larbalestier, John Kitching

We describe the fabrication of chip-sized alkali atom vapor cells using silicon micromachining and anodic bonding technology. Such cells may find use in highly...

Valence and Conduction Band Offsets of a ZrO2/SiOxNy/n-Si CMOS Gate Stack: A Combined Photoemission and Inverse Photoemission Study

April 2, 2004

Author(s)

Safak Sayan, Robert A. Bartynski, Xin Zhao, Evgeni Gusev, David V. Vanderbilt, Mark Croft, M M. Banaszak-Holl, Eric Garfunkel

Dipole Moment of a Pb-O Vacancy Pair in PbTiO₃

April 1, 2004

Author(s)

Eric J. Cockayne, Benjamin P. Burton

The polarization of a nearest-neighbor (nn) Pb-O vacancy pair in PbTiO3 is calculated, using the modern theory of polarization, implemented in the density...

Generation and Transport of Smoke Components.

April 1, 2004

Author(s)

Kathryn M. Butler, George W. Mulholland

Smoke is a mixture of gases and suspended particulate matter, or aerosols. The nature of the aerosol component of smoke can play a significant role in the...

Characteristics of Fire Scenarios in Which Sublethal Effects of Smoke Are Important

April 1, 2004

Author(s)

Richard D. Peacock, Jason D. Averill, Paul A. Reneke, Walter W. Jones

A number of simulations were performed using the CFAST zone fire model to predict the relative times at which smoke inhalation and heat exposure would result in...

Stability of Voids Formed in Cavities at Liquid-Solid Interfaces

April 1, 2004

Author(s)

Jeffrey W. Bullard

A thermodynamic model is developed of the free energy of gas-filled voids formed within cavities on solid surfaces covered by a liquid. Capillary effects are...

An Optimized Design of Finned-Tube Evaporators Using the Learnable Evolution Model

April 1, 2004

Author(s)

Piotr A. Domanski, David A. Yashar, Kenneth Kaufman, RK S. Michalski

Optimizing the refrigerant circuitry for a finned-tube evaporator is a daunting task for traditional exhaustive search techniques due to the extremely large...

Intrinsic Standards for UV/Visible Spectrophotometry

April 1, 2004

Author(s)

John C. Travis, David L. Duewer, Marc L. Salit

The 21st century global marketplace and international performance standards provide a steady demand for fit-for-purpose reference materials. An efficient system...

Improved Thermal Stability of Organically Modified Layered Silicates

April 1, 2004

Author(s)

Rick D. Davis, Jeffrey W. Gilman, T E. Sutto, J H. Callahan, Paul C. Trulove, Hugh C. De Long

Bromide containing impurities were found to decrease the thermal stability of quaternary alkyl ammonium modified layered silicates. Improved purification...

Generation and Transport of Smoke Components

April 1, 2004

Author(s)

Kathryn M. Butler, George W. Mulholland

Smoke is a mixture of gases and suspended particulate matter, or aerosols. The nature of the aerosol component of smoke can play a significant role in the...

Effects of the Agricultural Pesticides Atrazine, Chlorothalonil, and Endosulfan on South Florida Microbial Assemblages

April 1, 2004

Author(s)

H F. Downing, John R. Kucklick, M E. DeLorenzo, M H. Fulton, G L. Scott, C J. Madden

Unusual Expansion and Contraction in Ultrathin Glassy Polycarbonate Films

April 1, 2004

Author(s)

Christopher L. Soles, Jack F. Douglas, Ronald L. Jones, Wen-Li Wu

The thermal expansion behavior and glass transitions of poly(styrene) (PS) and poly(methyl methacrylate) (PMMA) are extensively studied in the thin film...

Photomask Dimensional Metrology in the SEM Part II: High-Pressure/Environmental Scanning Electron Microscope

April 1, 2004

Author(s)

Michael T. Postek, Andras Vladar, Marylyn H. Bennett, T Rice, R Knowles

Binary and phase-shifting chromium on quartz optical photomasks have been successfully investigated with high-pressure/environmental scanning electron...

Comparative Specular X-Ray Reflectivity, Positron Annihilation Lifetime Spectroscopy, and Incoherent Neutron Scattering Measurements of the Dynamics in Thin Polycarbonate Films

April 1, 2004

Author(s)

Christopher L. Soles, Jack F. Douglas, Wen-Li Wu, H G. Peng, D W. Gidley

The manner in which the dynamics of a polymer are affected by thin film confinement is one of technological significance, impacting thin film applications such...

Real-Time Monitoring of Fluorescence Anisotropy and Temperature During Processing of Biaxially Stretched Polypropylene Film

April 1, 2004

Author(s)

Anthony J. Bur, S C. Roth

Using an optical sensor, fluorescence anisotropy and fluorescence temperature measurements were carried out during the processing of biaxially stretched...

A Dielectric Slit Die for In-Line Monitoring of Polymer Compounding

April 1, 2004

Author(s)

Anthony J. Bur, S C. Roth, M M. McBrearty

The dielectric slit die is an instrument that is designed to measure electrical, rheological, ultrasonics, optical and other properties of a flowing liquid. In...

Mathematical and Computational Science Issues in High Precision HyIleraas-Configuration Interaction Variational Calculations: I. Three-Electron Integrals

April 1, 2004

Author(s)

James S. Sims, Stanley A. Hagstrom

The most difficult integral arising in Hylleraas-Configuration Interaction (Hy-CI) calculations, the three-electron triangle integral, is discussed. We focus on...

Difficulties in Determining Eutectic Compositions: The Sn-Ag-Cu Ternary Eutectic

April 1, 2004

Author(s)

Kil-Won Moon, William J. Boettinger

The determination of a precise eutectic composition is more difficult than the determination of its corresponding eutectic temperature. These difficulties are...

An EQMB Examination of Cu Surface Oxides in Borate Buffer

April 1, 2004

Author(s)

Ugo Bertocci

The oxidation and reduction of copper, either electrodeposited or vapor-deposited onto quartz crystal resonators, was examined in borate/boric acid mixtures at...

Phase-Field Models for Eutectic Solidification

April 1, 2004

Author(s)

D J. Lewis, T Pusztai, L Granasy, James A. Warren, William J. Boettinger

This article discusses two methods for modeling eutectic solidification using the phase-field approach. First, the multi-phase field model is used to study the...

Phase-Field Modeling for Eutectic Solidification

April 1, 2004

Author(s)

Jonathan E. Guyer, William J. Boettinger, James A. Warren, Geoffrey B. McFadden

A diffuse interface (phase field) model for a simple electrochemical system is developed. We describe the minimal set of components needed to model an...

Dental Composites Based on Hybrid and Surface-Modified Amorphous Calcium Phosphates

April 1, 2004

Author(s)

Drago Skrtic, Joseph M. Antonucci, E D. Eanes, Naomi Eidelman

The objectives of this study were to examine the feasibility of preparing hybrid and surface-modified amorphous calcium phosphates (ACP) as fillers for mineral...

Input Impedance of Coaxial Line Terminated With a Complex Gap Capacitance - Numerical and Experimental Analysis

April 1, 2004

Author(s)

Jan Obrzut, A Anopchenko

The scattering parameters, input impedance and the spatial distribution of the electromagnetic field have been obtained in the frequency range of 100 MHz to 20...

Monte-Carlo Simulator for the Failure Process and Energy Release Rate of Unidirectional CFRP a Different Temperatures

April 1, 2004

Author(s)

Xianfeng Wang, Martin Y. Chiang, Chad R. Snyder

This paper presents an analytical approach that combines the modified shear-lag model and the Monte-Carlo simulation technique to simulate the fracture behavior...

Rotational Spectra of the Diastereomers of Soman

April 1, 2004

Author(s)

R D. Suenram, R S. DaBell, Angela R. Hight Walker, D J. Lavrich, David F. Plusquellic, M W. Ellzy, J M. Lochner, L Cash, J O. Jensen, A C. Samuels

The pure rotational spectrum of the nerve agent Soman has been recorded and assigned using a pulsed molecular beam Fourier transform microwave spectrometer. The...

Was this page helpful?