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Journals

Fe⁺ in its Ground ⁶D State: A Direct Measurement of the J = 1/2 -3/2 and J = 3/2 - 5/2 Fine-Structure Intervals

December 1, 1998

Author(s)

J M. Brown, H Korsgen, K M. Evenson

The J = 1/2

A Feature-Based Machining System Using STEP

November 30, 1998

Author(s)

Frederick M. Proctor, Thomas Kramer

Discrete part manufacturing flows from a design phase in which product information is defined to a manufacturing phase in which the processes are planned and

Optimization of Temperature Programmed Sensing for Gas Identification Using Micro-Hotplate Sensors

November 26, 1998

Author(s)

T A. Kunt, T. J. McAvoy, Richard E. Cavicchi, Stephen Semancik

Micro-hotplate chemical gas sensors, such as those being developed at the National Institute of Standards and Technology [NIST] by micromaching SI, can be

Synthesis and Characterization of Self-assembled Monolayers of Alkylated 1-Thiahexa(ethylene oxide) Compounds on Gold

November 24, 1998

Author(s)

David J. Vanderah, Curtis W. Meuse, Vitalii I. Silin, Anne L. Plant

Electrochemical Quantitation of DNA Immobilized on Gold

November 15, 1998

Author(s)

A B. Steel, T M. Herne, Michael J. Tarlov

We have developed an electrochemical method to quantify the surface density of DNA immobilized on gold. The surface density of DNA, more specifically the number

Line Strengths of Torsion-Rotation Transitions of Methanol for J less than or equal} 14 and v_t less than or equal} 2 From Hamiltonian Based Calculations

November 9, 1998

Author(s)

M A. Mekhtiev, P D. Godfrey, Jon T. Hougen

Line strengths have been obtained for methanol, based on matrix elements of the dipole moment operator evaluated in a set of torsion-rotation eigenfunctions

Effects of Feature Orientation in Tomographic Reconstructions

November 6, 1998

Author(s)

A R. Kalukin, Zachary H. Levine, S P. Frigo, I McNulty, M Kuhn

An imaging experiment has been performed at the Advanced Photon source for the purpose of making and three-dimensional visualization of a test sample containing

Effect of Ignition Conditions on Upward Flame Spread on a Composite Material in a Corner Configuration

November 1, 1998

Author(s)

Thomas J. Ohlemiller, Thomas G. Cleary, John R. Shields

This paper focuses on the issue of fire growth on composite materials beyond the region immediately subjected to an ignition source. Suppression of this is one

Optical Wedge Effects in Instruments and Standards for Molecular Absorption Spectrophotometry

November 1, 1998

Author(s)

John C. Travis, Melody V. Smith, Gary W. Kramer

A methodology for obtaining and using toxic potency data for fire hazard analysis

November 1, 1998

Author(s)

Vyto Babrauskas, Richard G. Gann, Barbara C. Levin, M Paabo, Richard H. Harris Jr., Richard D. Peacock

An Investigation of the Equilibrium of the Reaction {L-aspartate(aq) + 2-oxoglutarate (aq) = oxaloacetate (aq) + L-glutamate (aq)}

November 1, 1998

Author(s)

N Kishore, Yadu D. Tewari, Robert N. Goldberg

Apparent equilibrium constants have been measured for the following biochemical reaction:L-aspartate(aq) + 2-oxoglutarate(aq) = oxaloacetate(aq) + L-glutamate

Evaluation of the External Force Term in the Discrete Boltzmann Equation

November 1, 1998

Author(s)

Nicos Martys, X Shan, H Chen

A representation of the forcing term in the Boltzmann equation based on Hermite expansion of the Boltzmann distribution function in velocity phase space is

Equilibrium Structure of Hydrogen-Bonded Polymer Blends

November 1, 1998

Author(s)

C Zhou, Erik K. Hobbie, Barry J. Bauer, Charles C. Han

Deuterium-labeled polystyrene modified by random distributions of the comonomer p-(1,1,1,3,3,3-hexaflouro-2-hydroxyisopropyl)-α-Methyl-styrene [DPS(OH)] has

A Precision Capacitance Cell for Measurement of Thin Film Out-of-Plane Expansion I Thermal Expansion

November 1, 1998

Author(s)

Chad R. Snyder, F I. Mopsik

A high sensitivity technique based on a three-terminal parallel plate capacitor for the measurement of the out-of-plane expansion of thin films is presented

Demineralizing Effect of Dental Cements on Human Dentin

November 1, 1998

Author(s)

Y Shimada, Y Kondo, S Inokoshi, J Tagami, Joseph M. Antonucci

This study was undertaken to verigy the hypothesis that dentin surfaces are demineralized during placement of four kinds of chemically setting cements (zinc

Effect of Powder Grinding on Hydroxyapatite Formation in a Polymeric Calcium Phosphate Cement Prepared from Tetracalcium Phosphate and Poly[Methyl Vinyl Ether-Maleic Acid]

November 1, 1998

Author(s)

Y Matsuya, S Matsuya, Joseph M. Antonucci, S. Takagi, Laurence C. Chow, A Akamine

The primary aim of this study was to determine if cement based on poly(methyl vinyl ether-maleic acid) (PMVE-Ma) and tetracalcium phosphate (TTCP) resulted in

Evolution of Microstructure in the Liquid and Crystal Directions in a Quenched Block Copolymer Melt and Its Implication on Phase Transition Mechanisms

November 1, 1998

Author(s)

N P. Balsara, B A. Garetz, M C. Newstein, Barry J. Bauer, T J. Prosa

Evolution of the disorder-to-order transition within a block copolymer is studied by the thermal quenching of samples from the melt to an ordered state. The

Predicted Habit Planes From Two Models: Invariant-Plane-Strain and Elastic-Energy-Minimization

November 1, 1998

Author(s)

H M. Ledbetter

We calculated habit planes (austenite-martensite interface planes) using two approaches: (1) the invariant-plane-strain (IPS) model proposed by Wechsler

Elastic-Strain Tensor by Rietveld Refinement of Diffraction Measurements

November 1, 1998

Author(s)

Davor Balzar, R B. Voneele, K Bennett, H M. Ledbetter

By collecting diffraction patterns at different specimen orientations, the procedure to obtain all components of the elastic-strain tensor by Rietveld

Synthesis, Characterization, and Crystal Structure of Dicalcium Glutarylbisphosphonate Dihydrate - Covalently Pillared Layer Structure with the Potential for Epitaxial Growth on Hydroxyapatite.

November 1, 1998

Author(s)

M Mathew, Bruce O. Fowler, E Breuer, G Golomb, I S. Alferiev, Naomi Eidelman

A new bisacylphosphonate, glutarylbisphosphonate (GlBP) was synthesized. Sodium and calcium salts of the GlBP, disodium dihydrogenglutarylbisphosphonate, NaHO

Matrix Isolation Study of the Interaction of Excited Neon Atoms With CCl₄: Infrared Spectra of the Ion Products and of Cl₂CCl. . Cl

November 1, 1998

Author(s)

C Lugez, Marilyn E. Jacox, Russell D. Johnson III

When a Ne:CCl 4 sample is codeposited at approximately 5 K with a beam of neon atoms that have been excited in a microwave discharge, the infrared spectrum of

Having it Both Ways: Distinguishable Yet Phase-Coherent Mixtures of Bose-Einstein Condensates

November 1, 1998

Author(s)

Eric A. Cornell, D S. Hall, M R. Matthews, C E. Wieman

We have begun a series of experiments on mixed bosonic quantum fluids. Our system is mixed Bose-Einstein condensates in dilute Rb-87. By simultancously trapping

Thermophysical Properties of Gaseous CF₄ and C₂F₆ From Speed-of-Sound Measurements

November 1, 1998

Author(s)

John J. Hurly

A cylindrical resonator was employed to measure the sound speeds in gaseous CF 4 and C 2F 6. The CF 4 measurements span the temperature range 300 K to 475 K

Shear Induced Restructuring of Dense Colloidal Silica Gels

November 1, 1998

Author(s)

Howard J. Hanley, Chris D. Muzny, B D. Butler, G C. Straty, J Barlett, E. Drabarek

The viscometric properties and structure of concentrated sheared colloidal gels, formed at a pH = 8 from a commercial aqueous sol of 7 nm diameter silica

Turbidity, Light Scattering, and Coexistence Curve Data for the Ionic Binary Mixture Triethyl N-Hexyl Ammonium Triethyl N-Hexyl Borate in Diphenyl Ether

November 1, 1998

Author(s)

S. Wiegand, M E. Briggs, M Kleemeier, W Schroer, Johanna Levelt Sengers

We report turbidity, light scattering, and coexistence curve data for a solution of triethyl n-hexyl ammonium triethyl n-hexyl borate in diphenyl ether. We

Standardless Quantitative Electron-Excited X-Ray Microanalysis by Energy Dispersive Spectrometry: What Is its Proper Role?

November 1, 1998

Author(s)

Dale E. Newbury

Electron beam x-ray microanalysis with semiconductor energy dispersive spectrometry (EDS) performed with standards and calculated matrix corrections can yield

Micromachined Silicon Torsional Resonator for Magnetic Anisotropy Measurement

November 1, 1998

Author(s)

J. Morillo, Q. Su, B. Panchapakesan, Matthias Wuttig, Donald B. Novotny

A novel method for measuring the out-of-plane magnetic anisotropy of thin films has been developed using the existing techniques of silicon micromachining. The

Effect of Polymer Molecular Weight on the Adsorption of Polyacrylic Acid at the Alumina-Water Interface

November 1, 1998

Author(s)

D Santhiya, G Nandini, K A. Natarajan, S G. Malghan

The adsorption and electrokinetic characteristics of alumina suspensions in the presence of polyacrylic acid as a dispersant have been studied. The adsorption

High Critical-Current Measurements in Liquid and Gaseous Helium

November 1, 1998

Author(s)

Loren F. Goodrich, L T. Medina, Theodore C. Stauffer

Effect of Temperature on Electron Attachment to and Negative Ion States of CCl₂F₂

November 1, 1998

Author(s)

Yicheng Wang, Loucas G. Christophorou, J. K. Verbrugge

The effect of temperature on electron attachment to dichlorodifluoromethane (CCl 2F 2) has been investigated for temperatures up to 500 K and for mean electron

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