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21 Matching Results
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Study of the role of impurities and additives on ceramic densification
>Thesis. Minor amounts of certain elements were found to aid in densification of sintered Al/sub 2/O/sub 3/ (MgO, NiO, and Y/sub 2/O/sub 3/ additives) an d hotpressed MgO (LiF and NaF additives). (DLC)
Date:
January 1, 1973
Creator:
Johnson, W.C.
System:
The UNT Digital Library
Electronic structure of diamond, zincblende, and chalcopyrite semiconductors
ABS>Thesis. The dependence of energy band structure and electronic charge density on pseudopotential parameters is investigated for: InSb, InAs, InP, GaP, Si, ZnGeP/sub 2/, and ZnGeAs/sub 2/. (DLC)
Date:
January 1, 1973
Creator:
de Alvarez, C.V.
System:
The UNT Digital Library
Helium II film transfer rates for solid-argon beakers
Helium II film transfer rates were measured for filling and for emptying beakers of solid argon. Liquid argon was frozen slowly in a mold which was later removed, leaving free-standing, transparent solid-argon beakers. The beakers used were of 3 mm ID, 5 mm OD, and 3.5 cm in height. Experiments were carried out in the temperature range 1.45 to 2.0 K. The dependence of the transfer rate 0 (cm/sup 3//sec-cm of circumference) on the difference between the inner and outer helium levels Z, height of the beaker lip above the level of the liquid source H, and temperature, were studied. The transfer rates were lower than those observed with glass beakers, in agreement with theory. For beaker fillings with a level difference of l mm and at a temperature of 1.66 K, the measured transfer rates may be described by the relation sigma = 4.8 H/sup -0.21 x l0/sup -5/ cm/sup 2// sec, where H is in cm. (auth)
Date:
January 1, 1973
Creator:
Milbrodt, T.O.
System:
The UNT Digital Library
Development of a neutron spectrometer using multi-wire spark chambers for the measurement of the spectra of stray neutrons in the vicinity of high energy accelerators
None
Date:
January 1, 1973
Creator:
Lim, C.B.
System:
The UNT Digital Library
Measurement of the polarization parameter in $pi$$sup +-$p scattering from 356 to 519 MeV/c.
None
Date:
January 1, 1973
Creator:
Gorn, W.
System:
The UNT Digital Library
Ultrasonic attenuation and phase-velocity measurements of rotational impurities in alkali halides.
None
Date:
January 1, 1973
Creator:
Viertl, J. R. M.
System:
The UNT Digital Library
Non-strange neutral meson spectrum from $pi$$sup -$p $Yields$ M$sup 0$n at 2.4 GeV/c.
None
Date:
January 1, 1973
Creator:
Jacobel, R.W.
System:
The UNT Digital Library
Photoneutron cross sections for bismuth-209.
None
Date:
January 1, 1973
Creator:
Kocimski, S.M.
System:
The UNT Digital Library
Thomson scattering study of collisional-shock heated plasmas. Report No. 62
None
Date:
January 1, 1973
Creator:
McNeill, D.H.
System:
The UNT Digital Library
Photorespiration and release of organic carbon in submersed aquatic vascular plants
None
Date:
January 1, 1973
Creator:
Hough, R.A.
System:
The UNT Digital Library
Predictive control of a mixer-settler extractor separating the rare-earths.
None
Date:
January 1, 1973
Creator:
Seemann, R C
System:
The UNT Digital Library
Optical properties of some transition metals.
None
Date:
January 1, 1973
Creator:
Weaver, J.H.
System:
The UNT Digital Library
Electrical conductances of some aqueous rare-earth electrolyte solutions from five hundredths molal to saturation at 25$sup 0$C.
None
Date:
January 1, 1973
Creator:
Rard, J.A.
System:
The UNT Digital Library
Hall mobility and magnetoresistance of n-type magnesium germanide.
None
Date:
January 1, 1973
Creator:
Li, P.W.
System:
The UNT Digital Library
Systematic study of the photodisintegration of germanium isotopes.
None
Date:
January 1, 1973
Creator:
McCarthy, J.J.
System:
The UNT Digital Library
Beta decay of gaseous fission products.
None
Date:
January 1, 1973
Creator:
Halbig, J K
System:
The UNT Digital Library
Transferable localized orbitals for acyclic hydrocarbons.
None
Date:
January 1, 1973
Creator:
England, W B
System:
The UNT Digital Library
Fluctuation diamagnetism of aluminum and aluminum alloys above the superconducting transition temperature
None
Date:
January 1, 1973
Creator:
Claassen, J.H.
System:
The UNT Digital Library
Infrared emission and 10.6 $mu$m. laser scattering from the dense plasma focus
None
Date:
January 1, 1973
Creator:
Post, R.S.
System:
The UNT Digital Library
Microscopic study of the five-nucleon system
None
Date:
January 1, 1973
Creator:
Chwieroth, F. S.
System:
The UNT Digital Library
Kinetic theory of dense gases. The calculation of the viscosity and thermal conductivity virial coefficients.
None
Date:
January 1, 1973
Creator:
Occelli, M. L.
System:
The UNT Digital Library