The study of the vegetation of one of the natural coastal
prairies in Oregon was undertaken for the purpose of describing
some of its synecological features. Specific objectives of the study
were to describe certain plant assemblages in the study area, present
phenological relationships on some of the assemblages, and...
The amine extraction process is evaluated for pulse column
operation. A 0.1 M solution of Primene JM-T (a commercial mixture
of tertiary-alkyl primary amines) in a kerosene-base diluent is
the extractant for thorium feed in aqueous acidic sulfate solutions.
Equilibrium isotherms at room temperature are presented at
aqueous acidities of...
An attempt to determine the relationship between the computer,
the computer program exchange organization and today's practicing
civil engineer has just been completed. A questionnaire was used to
obtain information and opinions from 850 selected practicing civil
engineers. Based on those questionnaires reaching their addresses,
a return rate of 81.7...
This report is one of a series issued in cooperation with the Air Force-Navy-Civil Committee on Aircraft Design Criteria under the supervision of the Aircraft Committee of the Munitions Board. Information reviewed and reaffirmed May 1953, June 1959, and 1965. Date of original report November 17, 1944.
Lymnea columella snails were exposed to 3-5 newly emerged
Fasciola hepatica miracidia. The procedure insured 75-100 percent
infection of the host. Groups of 40 each exposed snails were placed
in controlled temperature containers and maintained at the following
series of temperatures: 8°, 15°, 20°, 25°, 30°, and 35° C. Two...