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  1. No Access

    Article

    Design and Assessment of Metal-Organic Vapor Phase Epitaxy—Grown Dual Waveband Infrared Detectors

    Dual waveband infrared detectors can be relatively complicated structures requiring stacking of single waveband detectors. The paper discusses variants of the back-to-back diode structure, which allows the det...

    N.T. Gordon, P. Abbott, J. Giess, A. Graham, J.E. Hails… in Journal of Electronic Materials (2007)

  2. No Access

    Chapter

    A Model of Plume Advection Velocity for Dispersion in Urban Arrays

    In the basic Gaussian plume model (GPM) used for predicting concentrations due to continuous plume releases, the mean concentrations in the plume are inversely proportional to the mean plume advection speed Up. F...

    R. W. Macdonald, R. F. Griffiths, D. J. Hall in Air Pollution Modeling and Its Application… (2000)

  3. No Access

    Article

    Short segment fixation of thoracolumbar burst fractures without fusion

    There continues to be controversy surrounding the management of thoracolumbar burst fractures. Numerous methods of fixation have been described for this injury, but to our knowledge, spinal fusion has always ...

    P. L. Sanderson, R. D. Fraser, D. J. Hall, C. M. J. Cain… in European Spine Journal (1999)

  4. No Access

    Chapter

    Design and Projected Performance of the Westinghouse µSMES Unit

    The Westinghouse design of a 5 MJ, 2 MW, 2 second discharge µSMES unit is described in this report. The magnet consists of concentric, potted coil modules, each with a support structure designed to limit eddy ...

    O. R. Christianson, D. J. Hall, D. A. Hoecker… in Advances in Cryogenic Engineering (1996)

  5. No Access

    Article

    Anin situ investigation of the tensile failure of oxide scales

    A small four-point-bend jig has been used in a scanning electron microscope (SEM) to monitor the tensile fracture processes in iron and nickel oxide scales in situ. The scales were 3–40 μm thick, the strain ra...

    M. M. Nagl, W. T. Evans, D. J. Hall, S. R. J. Saunders in Oxidation of Metals (1994)

  6. No Access

    Chapter

    Design and Issues Associated with the HDM Electrical Insulation System

    The Westinghouse Electric Corporation (WEC) is under contract to design and build the High Energy Booster dipole magnets (HDM’s) for the SSCL through low rate initial production (LRIP). The first phase of the ...

    J. F. Roach, S. K. Singh, O. R. Christianson, D. J. Hall, A. G. McConnon in Supercollider 5 (1994)

  7. No Access

    Chapter

    An Overview of Magnetic, Mechanical, Thermal, and Electrical Analyses Performed on The HDM Model Magnets

    Westinghouse Electric Corporation (WEC) is under contract to the SSCL1 to design, develop, fabricate, and deliver superconducting dipole magnets for the High Energy Booster. The first phase of this program involv...

    J. F. Lowry, O. R. Christianson, H. L. Chuboy, E. F. Daly, D. J. Hall… in Supercollider 5 (1994)

  8. No Access

    Article

    The Calibration of the Nanoindenter

    The nanoindenter has a tremendous potential for the measurement of mechanical properties of thin films and coatings. Information can be obtained about plastic, elastic and time dependent deformation behaviour....

    N. J. Mccormick, M. G. Gee, D. J. Hall in MRS Online Proceedings Library (1993)

  9. No Access

    Article

    Avoiding aerosol sampling problems in fast response flame ionisation detectors

    Fast response flame ionisation detectors react to small combustible particles in the gas stream as well as to ionisable gases, producing unwanted large, short duration spikes in the output signal. During some ...

    D. J. Hall, M. A. Emmott in Experiments in Fluids (1991)

  10. No Access

    Article

    The snowfall chemistry collector intercomparison test (SCCIT)

    The Snowfall Chemistry Collector Intercomparison Test (SCCIT) took place as part of a field experiment of the PRocessing of Emissions by Clouds and Precipitation (PRECP) program during January and February 198...

    D. L. Sisterson, J. D. Shannon, P. H. Daum, P. J. Klotz… in Water, Air, and Soil Pollution (1989)

  11. No Access

    Chapter

    The Carburisation Behaviour of Steels for Petrochemical Plant

    The carburisation resistance of various cast steels used for tube applications in ethylene furnaces has been assessed in a laboratory test which closely simulates service conditions. Particular attention has b...

    D. J. Hall, J. J. Jones in High Temperature Alloys (1987)

  12. No Access

    Chapter and Conference Paper

    A Wind Tunnel Model of the Porton Dense Gas Spill Field Trials

    This paper is a condensed description of a study of wind tunnel model simulations of dense gas clouds released instantaneously in the atmosphere, undertaken to assess the validity of the wind tunnel modelling ...

    D. J. Hall, E. J. Hollis, H. Ishaq in Atmospheric Dispersion of Heavy Gases and … (1984)

  13. Article

    Endocrine function and growth retardation in Perthes' Disease

    Children with Perthes disease are frequently small with bone age retardation. Eighteen boys aged 5-11 yrs have been studied who had a bone age 2 yrs behind their chronological age or who were below the 3rd oen...

    P H W Rayner, S L Schwalbe, D J Hall, M W M Harrison in Pediatric Research (1978)

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  14. No Access

    Article

    Grenzflächen Lösung/Luft. II. Adsorption von oberflächenaktiven Substanzen in verdünnten wäßrigen Lösungen. Anomale Schwingungsstrahl-Erscheinungen

    W. D. E. Thomas, D. J. Hall in Colloid and Polymer Science (1977)

  15. No Access

    Article

    DNA replication and RNA transcription of euchromatic and heterochromatic chromosome regions during grasshopper meiosis

    The sequence of chromosome replication and the extent of RNA transcription were determined for pre-meiotic S-phase and first meiotic prophase in males of Myrmeleotettix maculatus and Chorthippus parallelus. Some ...

    D. P. Fox, G. M. Hewitt, D. J. Hall in Chromosoma (1974)