Rainfall interception is a primary control over the moisture input to a forested ecosystem through the partitioning of precipitation into throughfall, stemflow, and an evaporated component (i.e. the interception loss). Rainfall interception is a spatially and temporally varying process at multiple scales, but heterogeneity in interception processes are poorly understood...
An analytical solution is developed for the temperature
profile of a unit cell consisting of a sphere of one
material centered in a cube of a second material. All
material properties are considered constant and boundary
conditions consist of specified temperatures on the top
and bottom faces of the cube...
In this study the ability of establishing time standards using the
technique of regression analysis is demonstrated. Numerical standards
are developed for fish filleting operations which are satisfactory for
practical use by the seafood processing management.
For the analysis non-experimental or historical fillet data was
obtained from two seafood processors...
Chloride ion migration was studied under accelerated cathodic protection conditions using 6" x 6" x 6" mortar blocks of varying initial chloride content and water to cement ratios. An iron mesh embedded parallel to one face in the blocks acted as the cathode and zinc was thermally sprayed on the...
An important question in the study of Riemannian manifolds of positive sectional curvature is how to distinguish manifolds that admit a metric with non-negative sectional curvature from those that admit one of positive curvature. Surprisingly, if the manifolds are compact and simply connected, all known obstructions to positive curvature are...
A method of calculating the normal vibrations of polymer molecules
is presented in detail. The method is based on that used by
Schachtschneider and Snyder in their analysis of polypropylene but
has not heretofore been published. The factoring of the infinite matrix
and reduction to the coordinates of the unit...
Epiphytic diatom assemblages in the intertidal zone of Yaquina
Bay and estuary were obtained from the following host macrophytes:
Zostera marina, Fucus evanescens, and species of Enteromorpha,
Polysiphonia, and Ulva. Samples were collected in September 1970
and in January and May 1971 from seven stations approximately evenly
spaced between the...
The study of parent attitudes in Portland, Oregon, elementary
schools was designed to accomplish three purposes: (1) To identify
the attitudes of Non-Negro parents toward integration of Negroes into
the schools and community, (2) To measure the effects of socioeconomic
classes (low, middle, upper), of schools (control versus
transfer), and...