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Now showing items 6621-6630 of 6992
The comparative fate of T-2 toxin in chickens and ducks, and an investigation of kojic acid's toxicity and its possible synergy with aflatoxin in chickens
(1990)
The metabolism and/or toxicological effects of 3 mycotoxins were studied in poultry. In the metabolism study, a tritiated preparation of the trichothecene mycotoxin T-2 toxin was administered as a single oral dose to 21-day ...
Studies on the biosynthesis of indole alkaloids in Catharanthus roseus
(1994)
Catharanathus roseus (Madagascar periwinkle) is one of the few plants which produces all the four major classes of indole alkaloids. Out of the 90 alkaloids which have been isolated and characterized, vinblastine and ...
Measurement of the effect of indoor atmospheric trace gas on the polonium-218 ion mobility spectrum by alpha-track detection
(1990)
A number of investigators have reported formation of radiolytic ultrafine particles produced by the interaction of ionizing radiation with atmospheric trace gases. Previous studies have suggested that a very high localized ...
Land economic impact of fixed guideway rapid transit systems on urban development in selected metropolitan areas : the issue of the price-distance gradients
(1991)
This research investigates and evaluates the impact of rapid-transit systems on land values in the vicinity of transit stations in large metropolitan areas. The data is based on ad valorem tax assessment before and after ...
Optimal control limit policy for a Partially Observable Markov Decision Process model
(1994)
In this research, we consider the problem of determining an optimal replacement policy for stochastically deteriorating systems for which only incomplete state information is available. When the deterioration is governed ...
Product and process integration for the U.S. design-construction industry
(1990)
In this study, a reinterpretation of design of product and process in the design-construction industry is presented. This reinterpretation promises to provide a means to improve the quality and productivity of completed ...
Bubble nucleation and growth dynamics in polymer melts
(1992)
The present work is concerned with identifying the important parameters in bubble nucleation and growth and determining their effects on foam structures obtained by free expansion foaming. This work involves extending ...
Genetic analysis of reproductive performance of Rambouillet sheep
(1987)
Data from a purebred Rambouillet range flock between the years of 1919 and 1985 were analyzed to determine: the relationship of age, body weight, birth type, sex of natal twin on lamb and fleece production, and longevity; ...
The effects of facilitative teacher response and revision strategies on adolescent writing achievement
(1994)
Composing is often a solitary activity with the outcome in some future time and place. Because it is an internal and often solitary process, we still have much to learn about the development of written language. According ...
Development of optimization models for signalized intersections during oversaturated conditions
(1990)
This dissertation documents the development of optimization models for the control of signalized intersections during oversaturated traffic conditions. A dynamic optimization model was developed as the principal product ...