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Now showing items 391-400 of 443
Growth analysis of diverse upland cottons in varied cultures
(1975)
A replicated field test was conducted in the Brazos River Valley in 1972 and 1973 to investigate the response of three varied American Upland cotton genotypes to cultural practices thought to be important to the evaluation ...
A forecast for the metric training of skilled industrial workers, technicians, and technologists during a period of national metrication
(1975)
Through the early 1970's there has been much speculation that the U.S. will adopt the metric system of weights and measurements as its primary measurement system. The problem of this study was, therefore, to provide a ...
Recreation activity structures and the substitution concept
(1975)
The purpose of the present study was to develop and compare the structure patterns of present participation, participation 5 years ago, and preference for a specific set of outdoor recreation activities. Also, the study ...
A study of the transfer processes of phthalate esters to the marine environment
(1975)
In recent years, environmental scientists have been concerned with the release of phthalate plasticizers into the environment (1). To determine their distribution, rates of input and accumulation, and to identify their ...
A model based analysis for two period, two treatment change-over clinical trials
(1975)
This dissertation is concerned with developing a method of analysis for data arising from a series of clinical trials which involve the testing of a new drug and a standard drug in patients with Rheumatoid Arthritis. Data ...
Serum estrone and estradiol from parturition to estrus and ovulation in suckled and nonsuckled primiparous Hereford heifers
(1975)
Serum concentration of estrone (E1) and estradiol (E2) were quantitated during the postpartum interval of suckled (S) and non-suckled (NS) primiparous heifers. Ovarian and uterine changes, estrus and ovulation were also ...
An interaction analysis of vacation travel
(1975)
The purpose of this study was to examine two facets of vacation travel. Vacation trip distance and vacation trip costs were analyzed using the Automatic Interaction Detector (AID) Program. Seventeen selected socioeconomic ...
Academic administrative effectiveness and the influence of decisions affecting teacher education in institutions of higher education in Texas
(1975)
The purpose of this research was to determine the academic decision making levels at which decisions affecting teacher education are primarily influenced and are made with the greatest degree of administrative effectiveness. ...
The extraction of niobium (V), tantalum (V), mercury (II), silver (I), cobalt (II), iron (III) and cadmium (II) by di(n-octyl) arsinic acid (HDOAA) in chloroform
(1975)
The extraction of Nb(V) and Ta(V) from HCl, H₂SO₄ and H₂C₂O₄ solutions, Hg(II) from HCl solutions, Ag(I) from HNO₃ solutions, Co (II) from HCl solutions, Fe(III) from HCl, HNO₃, H₂SO₄, and HCIO₄ solutions ...
The movement and endogenous levels of plant growth regulators during water-stress-induced abscission in cotton
(1975)
Abscission and the movement of, as well as the endogenous levels of, plant growth regulators was investigated in cotyledons of cotton (Gossypium hirsutum L. cv. Stoneville 213) before, during and after periods of moisture ...