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Biogeochemical calcium cycling of Andropogon scoparius Michx. in two contrasting soil types
(1975)
Techniques of dry ashing plant material and column extracting soil material were developed to convert ⁴⁵Ca to a chloride salt. Calcium-45 recovery efficiency was approximately 90% for plant material and 95% for soil. ...
Synthesis via haloketene cycloadducts
(1975)
The basic goal of this study was to develop new applications for haloketene cycloadducts in synthesis. This study has utilized the dichloroketene adduct of cyclohexene (5) as the starting material for the preparation of ...
Creative fantasies, dreams, memories, and reveries: Mark Twain's psychological tools
(1975)
Throughout his writing career, Mark Twain employed creative fantasies, dreams, memories, and reveries based upon aberrations influencing his childhood and personal tragedies marring his young adulthood as sources for ...
Interrelationships of environmental factors, Vibrio parahaemolyticus, and other bacteriological indices of oysters, water, and sediment from the Gulf of Mexico
(1975)
A total of 153 samples of oysters, water, and sediment were tested for the presence of V. parahaemolyticus. Standard Plate Counts of the oysters ranged from 5.0e3 to >3.0e7 per g. Aerobic Plate Counts ranged from 3.0e3 to ...
Pre- and post-merger characteristics of agricultural cooperative reorganizations and implications for planning, financing and growth
(1975)
Farmer cooperative comprise an important segment of the agricultural economy of the United States. Over 7,700 associations handle annual sale volumes exceeding $20 billion in total, accounting for about 30 percent of total ...
Effects of aspirin and prostaglandin E₂ on the rat testis: a histological, histochemical and ultrastructural study
(1975)
Evidence of morphophysiologic effects of aspirin and prostaglandin E₂ (PGE₂) administration on the adult rat testis were revealed in these experiments. Groups of sexually mature inbred rats of the same ages and of different ...
Sex pheromone reception in the female greater waxmoth, Galleria mellonella (L.) (Lepidoptera: Pyralidae): the nature of the odor receptors and an evaluation of olfactory theories
(1975)
The chemoreceptors for the reception of the sex pheromone in the female Galleria mellonella (L.) (Lepidoptera: Pyralidae) were studied electrophysiologically and morphologically to determine the nature of the sex pheromone ...
The role of the regional director of rural development as perceived by executives and directors of the Colombian Agriculture Institute
(1975)
Purpose The purpose of this study was to determine the perceptions of directors and executives of the Colombian Agriculture Institute regarding the role of the director to determine if a need existed to develop guidelines ...
Expectations of administrators concerning the characteristics and qualifications of community college teachers
(1975)
This study identified employing administrators' conceptions of the exemplary characteristics and professional qualifications which should be evident in prospective community college teachers. The objectives were achieved ...
A systems methodology for analysis of institutional involvement in the process of technological change
(1975)
This research considers two critical problems faced by large institutions in strategic level planning and decision-making situations involving the process of technological change. The first is that most decisions are not ...