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Characteristic Wave Cataloguing for Ray Path Determination

Characteristic Wave Cataloguing for Ray Path Determination PDF Author: Yūji Inoue
Publisher:
ISBN:
Category : Geomagnetism
Languages : en
Pages : 38

Book Description
Wave cataloguing suitable for ray tracing of a pulsed wave packet in a weakly-dissipative, horizontallystratified magnetoionic medium is described, Particular attention is devoted to the cataloguing of the various characteristic waves so that the influence of the local ionization density and collision frequency can be understood. The procedure presented is applicable under general incident conditions and complex refractive index surfaces. The Booker quartic equation is used to derive the unambiguous wave normals and wave identification is obtained from the dispersion equation. A modified CMA. diagram including collisions is illustrated. (Author).

Characteristic Wave Cataloguing for Ray Path Determination

Characteristic Wave Cataloguing for Ray Path Determination PDF Author: Yūji Inoue
Publisher:
ISBN:
Category : Geomagnetism
Languages : en
Pages : 38

Book Description
Wave cataloguing suitable for ray tracing of a pulsed wave packet in a weakly-dissipative, horizontallystratified magnetoionic medium is described, Particular attention is devoted to the cataloguing of the various characteristic waves so that the influence of the local ionization density and collision frequency can be understood. The procedure presented is applicable under general incident conditions and complex refractive index surfaces. The Booker quartic equation is used to derive the unambiguous wave normals and wave identification is obtained from the dispersion equation. A modified CMA. diagram including collisions is illustrated. (Author).

A Discussion of the Wheeler-Feynman Absorber Theory of Radiation

A Discussion of the Wheeler-Feynman Absorber Theory of Radiation PDF Author: Ronald G. Newburgh
Publisher:
ISBN:
Category : Absorption
Languages : en
Pages : 34

Book Description
The Wheeler-Feynman absorber theory of radiation is reviewed. A proof is offered to show that a sum of advanced and retarded effects from the absorber can provide the origin of radiative reaction. This proof is different from and perhaps simpler than that of Wheeler and Feynman. From arguments of momentum and energy conservation the necessity of the absorber for the emission of radiation is demonstrated for three cases. (Author).

A Study of Band Edge Distortion in Heavily Doped Germanium

A Study of Band Edge Distortion in Heavily Doped Germanium PDF Author: Freeman D. Shepherd (Jr.)
Publisher:
ISBN:
Category : Energy-band theory of solids
Languages : en
Pages : 98

Book Description
Details of the energy band structure of degenerate n-type germanium were determined by analysis of fine structure in the 4.2K volt-ampere characteristic of germanium tunnel diodes. No shift in the relative energy of the conduction band minima was observed. The band edge is found to be exponentially distributed with 1/e energies of the order of 10 MeV. There appears to be an ordering mechanism among the group V impurity atoms used as substrate dopants. (Author).

Experimental Study of Zone Refining of the Binary System Triphenyl Antimony-benzoic Acid

Experimental Study of Zone Refining of the Binary System Triphenyl Antimony-benzoic Acid PDF Author: Marvin S. Brooks
Publisher:
ISBN:
Category : Antimony
Languages : en
Pages : 94

Book Description
An experimental study on the zone refining of the binary system triphenyl antimony-benzoic acid is described. The isotope Sb124, which is a strong gamma emitter, was employed as a tracer; this allowed a rapid in situ nondestructive analysis, closely spaced experimental points, and the opportunity to study distribution as a function of varying experimental conditions. With the aid of computers (IBM 7090 and IBM 7044) apparent k's were calculated and the experimental data compared with those predicted from various mathematical models. (Author).

Electrophoretic Power Generation in Thermally Ionized Plasmas

Electrophoretic Power Generation in Thermally Ionized Plasmas PDF Author: C. C. Leiby (Jr.)
Publisher:
ISBN:
Category : Electrophoresis
Languages : en
Pages : 42

Book Description
Druyvesteyn's solutions for electrophoretically induced gas flows in electrical discharges in gases were extended over a larger pressure range and corrected for the influence of Debye shielding effects. The effects of molecular or 'slip' flow were also taken into account. These more accurate and general solutions were applied to the reverse phenomenon of space charge field generation arising from the flow of a thermally ionized cesium plasma through a tube. Under such flow conditions, a non-linear differential equation for the axial pressure distribution was obtained but not solved. However, it was possible to obtain estimates of the ranges of cesium pressure, temperature and tube radii which would be required for sensible levels of electric power generation. Anaphoretic flow power levels of the order of 0.1 to 10 watts, in tubes of laboratory dimensions (radii of 10 cm or less), appear feasible at temperatures from 1700 to 2400K. Sensible power generation levels at lower temperatures require very large diameter tubes, and therefore are not feasible. (Author).

Machine-aided Design of Context-free Grammars

Machine-aided Design of Context-free Grammars PDF Author: Thomas G. Evans
Publisher:
ISBN:
Category : Computer-aided design
Languages : en
Pages : 30

Book Description
The following paper represents work to date on the deformation method for quadratic programming and thus may be regarded as a sequel to Zahl, S. (1964) A Deformation Method for Quadratic Programming, Research Note AFCRL-63-132. It gives an explanation of a modified Iverson programming language and uses this to give a detailed algorithm for the Zahl Deformation Method of Quadratic Programming.

Minimax Detection Station Placement

Minimax Detection Station Placement PDF Author: Richard D. Smallwood
Publisher:
ISBN:
Category : Mathematical optimization
Languages : en
Pages : 28

Book Description


Adsorption of Inorganic Anions on a Mercury Electrode from Solutions of Formamide

Adsorption of Inorganic Anions on a Mercury Electrode from Solutions of Formamide PDF Author: Richard Payne
Publisher:
ISBN:
Category : Anions
Languages : en
Pages : 28

Book Description
A theory of hydromagnetic ionizing waves has been developed which is valid in the region in which gas pressure is negligible, compared with magnetic pressure. The theory takes into account the energy expended in partial ionization of the gas behind the wave. The usual high conductivity boundary condition behind the wave is not employed. The electric field in front of the wave is taken as a parameter. Results of this theory are compared with available experimental measurements, and show good agreement. (Author).

Government-wide Index to Federal Research & Development Reports

Government-wide Index to Federal Research & Development Reports PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1794

Book Description


U.S. Government Research and Development Reports

U.S. Government Research and Development Reports PDF Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 616

Book Description