The nature and magnitude of experimental errors due to ⁶⁵Zn
adsorption by inorganic surfaces was examined in a laboratory system
designed to measure ⁶⁵Zn uptake by marine phytoplankton. In the pH
range, 6.3±.1 to 7.5±.1, a precipitate formed in the algal nutrient
medium selected for the system. To this seawater-base...
Ninety-six couples were studied during the transition to parenthood in order to assess a) relative contributions of equity and traditionality in sex role attitudes to marital satisfaction prior to parenthood, b) changes in marital satisfaction and equity after the birth of the infant and c) contributions of traditionality, equity, father...
Salinity, temperature, oxygen, phosphate, and nitrate observations were taken by Oregon State University of 15 hydrographic cruises in the Northeastern Pacific and one cruise in the Sea of Cortez during 1970. Alkalinity, pH and silicate were taken on special occasions.
Data were collected by Oregon State University personnel aboard the...
Background A novel equine parvovirus (EqPV-H) was recently discovered in the equine liver with Theiler's disease. Objectives To determine the prevalence of EqPV-H infection in naturally occurring Theiler's disease cases and in-contact horses in the absence of historical equine biologic product administration. Animals Ten cases of Theiler's disease from 6...
The internal moisture stress of Douglas-fir was determined on foliage collected in the Siskiyou Mountains of southwestern Oregon. Internal moisture stress integrates both climatic and edaphic environmental effects as they influence a plants moisture regime. In this study two laboratory techniques were modified to permit stress measurements to be taken...
A continuous process for the production of ceramic materials has been studied.
This method reacted metal and oxidizer in a diffusionally controlled process,
demonstrated by reacting a magnesium particle stream and hot water vapor. Many small
rich hydrogen/air diffusion flames provide an atmosphere of hot water vapor, hydrogen,
and nitrogen...
Harvest scheduling and stand level optimization have
generally been regarded as separable problems. Some
studies have attempted to jointly optimize a wide range of stand treatments and a forest wide harvest schedule using combinations of mathematical programming techniques. The mathematical programming forest level techniques presume perfect information on production, costs...