Sediments of a portion of the central Oregon shelf between 17
and 339 m have been examined for modern foraminifera. Eighty-three
samples were collected from 33 stations along three traverses
located between 43° 16'N and 43° 50'N. One hundred fifty-five
benthic and nine planktonic species are recognized. Fifty-six benthic
species...
The dc conductivity of single crystals of vanadium pentoxide
was measured in the three crystallographic directions. The temperature
range examined was -165°C to +25°C. The activation energy
of the conduction process was isotropic and found to be .56 ev. The
conductivity was anisotropic.
Measurements of the Hall effect were attempted...
Vanadium pentoxide single crystals were grown from the melt.
These crystals were made the cathode in an electrolytic cell and the
polarization and recovery of the electrode were studied under a
variety of experimental conditions.
A study of the electrode potential versus that of the standard
hydrogen electrode as a...
Vanadium pentoxide electrodes were prepared by melting
the powdered oxide around a platinum foil in a pyrex tube. The
electrode was discharged, and the discharge product was studied,
but not identified, by means of chemical and x-ray diffraction analysis.
A study was made of the relationship between the electrode
potential...
A survey of the methods of purification of KC1, for use in
preparing single crystals by growth from the melt, was made. Two
methods, fractional recrystallization and ion exchange, were used.
The purity of the salt and crystals grown from the same salt were
compared with the findings of other...
When the dc conductivities of various pure KC1 crystals were
compared it was found that crystals grown under an HC1 atmosphere,
from salt purified by ion exchange, exhibited lower knee temperatures
than any of the crystals studied. These knee temperatures
were found to be approximately 350°C. From this the total...
The incorporation of europium and dysprosium in potassium
chloride crystals was investigated. The crystals were prepared by
the Kyropoulos method from melts containing the rare-earth chlorides.
The concentration of these rare-earth ions in the crystals was determined
by neutron-activation analysis. The distribution coefficient of
europium and dysprosium between the molten...