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Displaying 58601 - 58625 of 74192

Determination of Inorganic Constituents in Marine Mammal Tissues

November 1, 1993

Author(s)

Rolf L. Zeisler, R. Demiralp, B. J. Koster, Paul R. Becker, M. Burow, P. Ostapczuk, Stephen A. Wise

Determination of PCBs and Chlorinated Hydrocarbons in Marine Mammal Tissues

November 1, 1993

Author(s)

Michele M. Schantz, B. J. Koster, Stephen A. Wise, Paul R. Becker

Development of the National Marine Mammal Tissue Bank

November 1, 1993

Author(s)

T. I. Lillestolen, N. Foster, Stephen Wise

Dielectric and Magnetic Relaxation by Maximum-Entropy Method

November 1, 1993

Author(s)

James R. Baker-Jarvis

Feasibility Study: Reference Architecture for Machine Control Systems Integration

November 1, 1993

Author(s)

Thomas R. Kramer, M. K. Senehi

Guide to Software Engineering Environment Assessment and Evaluation

November 1, 1993

Author(s)

B B. Cuthill

Magneto-optic magnetic field sensors based on uniaxial iron garnet films in optical waveguide geometry

November 1, 1993

Author(s)

M. N. Deeter, Gordon W. Day, R. Wolfe, V. J. Fratello

Iron garnet films which exhibit perpendicular uniaxial magnetic anisotropy are promising materials for magneto-optic magnetic field sensing. In an optical waveguide geometry, these materials exhibit large values of saturation Faraday rotation which in turn

NIST Standard Reference Materials (SRMs) for Polychlorinated Biphenyl (PCB) Determinations and Their Applicability to Toxaphene Measurements

November 1, 1993

Author(s)

Michele M. Schantz, Reenie M. Parris, Stephen A. Wise

Numerical Micromagnetic Techniques and Their Applications to Magnetic Force Microscopy Calculations

November 1, 1993

Author(s)

J O. Oti, Jinsheng Wen

On-Axis Fields from a Circular Uniform Surface Current

November 1, 1993

Author(s)

D. J. Blejar, Ronald C. Wittmann, A. D. Yaghjian

Time-Domain Measurements of the Electromagnetic Backscatter of Pyramidal Absorbers and Metallic Plates

November 1, 1993

Author(s)

S. Tofani, Arthur Ondrejka, Motohisa Kanda, Robert T. Johnk

Ultrasensitive-Hot-Electron Microbolometer

November 1, 1993

Author(s)

M. Nahum, John M. Martinis

From Cerebellar Model Articulation Controller to a Reference Model for Intelligent Control

October 31, 1993

Author(s)

James S. Albus

RoboVac and the Cat Will Get Along Famously

October 29, 1993

Author(s)

David Coombs

Robotics & Intelligent Systems, Unmanned Systems

Combined Buoyancy- and Pressure-Driven Flow Through a Horizontal Vent: Theoretical Considerations.

October 25, 1993

Author(s)

Leonard Y. Cooper

Flow through a horizontal vent is considered where the vent-connected spaces near the elevation of the vent are filled with fluids of different density in an unstable configuration, with the density of the top space larger than that of the bottom space

Comparisons of Soot Volume Fraction Measurements Using Optical and Isokinetic Sampling Techniques

October 25, 1993

Author(s)

M. Y. Choi, George W. Mulholland, Anthony P. Hamins, Takashi Kashiwagi

In a previous study, the performance of a three-line optical probe technique for measuring soot volume fraction and temperature was assessed by conducting experiments in the path-invariant environment of a premixed flame. In that study, the temperature and

Comparisons of Soot Volume Fraction Measurements Using Optical and Isokinetic Sampling Techniques.

October 25, 1993

Author(s)

George W. Mulholland, Takashi Kashiwagi, M Y. Choi, A Hamins

Computational Study of the Absorption and Scattering Properties of Soot.

October 25, 1993

Author(s)

T L. Farias, M G. Carvalho, U O. Koylu, G M. Faeth

Soot is present within most nonpremixed hydrocarbon-fueled flames, which affects their structure, radiation and pollutant emission properties. Thus, the absorption and scattering properties of soot are of interest in order to estimate continuum radiation

Rayleigh Light Scattering Studies of Turbulent Mixing

October 25, 1993

Author(s)

William M. Pitts

Turbulent combustion remains a very active research area. This interest is justified due to the pivotal role it plays in a wide variety of technologically important processes. Development of models for combusting flows is crucial for the more efficient

Simultaneous Optical Measurement of Soot Volume Fraction and Temperature in Heptane Pool Fires

October 25, 1993

Author(s)

M. Y. Choi, Anthony Hamins, H. Rushmeier, Takashi Kashiwagi

In large pool fires radiative heat transfer governs the burning and flame spread rates and therefore is a key factor in assessing potential fire hazards. The radiative heat feedback from the flame to the fuel surface is controlled by the temperature and

Agent Screening for Halon 1301 Aviation Replacement

October 20, 1993

Author(s)

William L. Grosshandler, Richard G. Gann, Anthony P. Hamins, Marc R. Nyden, William M. Pitts, Jiann C. Yang, Michael R. Zachariah

A comprehensive experimental program is described in which eleven gaseous agents and sodium bicarbonate powder have been screened, so that the best three candidates for subsequent full-scale aircraft fire extinguishment evaluation can be identified

Agent/System Compatibility for Halon 1301 Aviation Replacement

October 20, 1993

Author(s)

Richard G. Gann, E Braun, Thomas G. Cleary, Richard H. Harris Jr., F Horkay, Gregory T. Linteris, G B. McKenna, Marc R. Nyden, Richard D. Peacock, Richard E. Ricker, Mark R. Stoudt, W. K. Waldron

This project has developed measurement methods and provided data for the appraisal of 12 USAF-specified candidate halon 1301 replacements for compatibility with flight systems, people, and the environment. The exposures of metals, elastomers and lubricants

Stability of an Underwater Work Platform Suspended from an Unstable Reference

October 20, 1993

Author(s)

Roger V. Bostelman, James S. Albus

A work platform suspended by six cables and controlled by six winches located on a v e s s e l , can precisely control the position, velocity, and force of tools, grippers, and machinery in all s i x degrees of freedom (x, y, z, roll, pitch, and yaw) while

Tunable Diode Laser Measurement of Carbon Monoxide Concentration and Temperature in a Laminar Methane-Air Diffusion Flame

October 20, 1993

Author(s)

J. H. Miller, S Elreedy, B Ahvazi, F Woldu, P Hassanzadeh

The application of tunable diode lasers for in situ diagnostics in laminar hydrocarbon diffusion flames is demonstrated. By the use of both direct-absorption and wavelength-modulation (second-derivative)techniques, carbon monoxide concentrations and the

Vector Theory of Diffraction by a Single-Mode Fiber: Application to Mode-Field Diameter Measurements

October 15, 1993

Author(s)

M. Young, Ronald C. Wittmann

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