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Now showing items 421-430 of 548
A study of the chorion of the egg of Psorophora columbiae (Dyar and Knab) (Diptera: Culicidae)
(1980)
The morphology of the chorionic layers of the eggs of Psorophora columbiae (Dyar and Knab) mosquitoes was studied by scanning and transmission electron microscopy during a period of time when eggs were in a predeposition ...
Thomas Hardy's uses of setting : a study of three novels
(1980)
Many studies comment, usually favorably, on Thomas Hardy's settings. Few studies, however, trace a single aspect of setting through an entire work to demonstrate the extent to which setting reveals meaning. This study ...
Introgression of a wild Arachis species into three botanical varieties of Arachis hypogaea L
(1980)
Several wild diploid Arachis species possess traits that would be useful in the improvement of the tetraploid cultivated peanut (Arachis hypogaea L.). Crossing incompatibility limits the use of some of these germplasm ...
A study of career orientations, career styles, and rewarded activity as perceived by selected public school business officials in Texas
(1980)
The purpose of this study was to identify career perceptions of Texas school business officials in terms of variables relating to career identification and style and to rewarded activity, and to determine the existence and ...
The growth and consumption of kleingrass (Panicum coloratum L.) by growing beef steers : a model
(1980)
Of all the problems that confront agriculture perhaps the unpredictability of weather is the most difficult to quantify. Twenty years of climatalogical data were obtained for Beeville, Texas and cumulative frequency ...
A forecast of the critical influences on the future organizational structure of upper-level administration of land-grant colleges and universities
(1980)
The purpose of this study was to forecast the critical influences on the future organizational structure of upper-level administration of land-grant colleges and universities and to evaluate the relative likelihood of these ...
A two-compartment drying model related to the fissuring in rough rice
(1980)
Rough rice drying has been studied for years and described mathematically by various researchers. Some have used diffusion equations or have adopted semi-theoretical models in explaining the drying process. But none ...
Stop control effectiveness as related to volume and sight distance
(1980)
The effectiveness of stop sign control at low volume intersections was assessed utilizing both operational and safety criteria. The dependent variables of violation and compliance rate, conflicts, and accidents were compared ...
Role preferences and conflict between city managers and city councils
(1980)
A typology of city manager policy role selection was developed containing five roles and two contingency variables. Combining low and high extremes of the two contingency variables defined four situation types. Political ...
Genotype by environment interaction in loblolly pine (Pinus taeda L.)
(1980)
The Western Gulf Forest Tree Improvement Program established fifteen geographic seed source plantations to analyze genotype by environment (GXE) interaction in loblolly pine. Open pollinated families from five selected ...