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The effects of a percentage depletion allowance on vertically integrated mineral firms and industries : theory and evidence
(1980)
This dissertation investigates two controversial issues concerning the effects of a percentage depletion allowance upon vertically integrated mineral firms and industries. One controversial issue concerns the effect of ...
Resistance of sorghum grain to maize weevil, Sitophilus zeamais Motsch
(1980)
The objectives of this study were to screen seeds of 169 exotic converted sorghum lines for resistance to the maize weevil, Sitophilus zeamais Motsch, and determine physical and morphological kernel properties influencing ...
Synthetic and mechanistic approaches to macrocyclic polystannanes
(1980)
The purpose of this study was to synthesize a macrocyclic polystannane, 8, which would potentially use the Lewis acid character of several tin atoms to create an acidic solvation ring similar to the basic ring of the crown ...
A Comparative validation of three measures of assertive behavior
(1980)
The primary objectives of this study were to provide concurrent validation for three self report measures of assertiveness (Conflict Resolution Inventory, Rathus Assertiveness Schedule, College Self-Expression Scale) and ...
The goals of industrial arts teacher education in the future
(1980)
The primary objective of this study was to identify the goals of industrial arts teacher education in the future as perceived by knowledgeable people in the field. Secondary objectives of this study were: (1) to obtain the ...
The effects of cognitive style and modality of study on achievement in self-paced auto-tutorial instruction
(1980)
The objective of this study was to determine the effects of cognitive style and mode of study on achievement in self-paced, auto-tutorial instruction. Although previous research indicated that cognitive styles were influential ...
Effects of protein and energy intake on body fat and growth rate of broilers
(1980)
Four experiments were conducted with Indian River broiler chicks in which the protein and energy levels were fed in different combinations in an attempt to produce a broiler at 49 days of age with reduced body fat while ...
In-process tool life evaluation by cutting force ratio analysis
(1980)
Optimization and control of automated manufacturing processes have been rendered difficult due to the probabilistic nature of tool life. Several adaptive control systems, developed to monitor machining operations, have ...
Quality of life in selected rural barrios in Southern Luzon, Philippines
(1980)
This study focused on the “quality of life” in selected coconut-producing communities in Southern Luzon, Phillippines. Couched in a human ecology perspective, the major proposition states that the quality of human existence ...