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Now showing items 31-40 of 549
Relationships between seasonal forage quality patterns and structural carbohydrates of warm-season grasses and environmental factors
(1980)
Three warm-season grass species were grown to evaluate relationships between forage quality and environmental conditions. Two selections of kleingrass (Panicum coloratum L.), Kleingrass 75 and Kleingrass 75-25, green ...
A study of the effect of various design factors on the performance of complex production lines
(1980)
This dissertation is a study of the effect of various design factors on the performance of production lines. A review of past research on production lines reveals that the majority of production line models reported in the ...
Effects of velocity, surface, and angle of incidence on angle of rebound of tennis balls
(1980)
The purpose of this study was to determine and compare the effects of velocity, surface, and angle of incidence on angle of rebound and velocity of rebound of tennis balls. More specifically, it was the purpose of this ...
Radiographic evaluation of appendicular skeletal maturation in the common marmoset (Callithrix jacchus)
(1980)
The times of appearance and fusion of 75 ossification centers were recorded by age. The appendicular skeletal development of 6 common marmosets was monitored radiographically at weekly intervals from 1 day to 94 weeks of ...
Histological and physiological aspects of growth responses and differentiation of pecan Carya illinoensis (Wang) Koch, tissues in vitro
(1980)
A variety of handling techniques, media preparations and tissue sources were used in combination to establish pecan tissues in vitro. Plantlets were produced on a sequence of three media. The first medium enlarged the buds ...
The effect of selected six-mercaptopurine metallo complexes upon purine metabolism in normal and tumor-bearing rats
(1980)
The research described in this dissertation concerns the investigation of selected 6-mercaptopurine metallo complexes. Syntheses are developed, the compounds are screened for anti-carcinogenic activity in two in vivo ...
The political economy of Sir Edwin Chadwick
(1980)
This dissertation investigates Edwin Chadwick's contribution to Political Economy. Although his reputation as a public servant and social reformer is well received in many disciplines, Chadwick has been relegated into ...
Wood duck production and habitat use
(1980)
During 1977 through 1979, data on the nesting and hatching success of wood ducks (Aix sponsa) were collected from 32 wood duck nesting boxes in east-central Texas. All boxes were located in areas devoid of brood rearing ...
The development of mixture injected surface-ignition engine
(1980)
The feasibility of igniting lean air-fuel mixture with a torch formed by injecting a stoichiometric mixture over a hot surface near the end of the compression stroke is explored and proved. Several variables affecting the ...
Factors affecting leaf crinkle in Aphelandra squarrosa Nees ʻDania ̓
(1980)
Selected flat leaved plants of Aphelandra Squarrosa Nees 'Dania' were subjected to chemical, environmental and morphological studies to determine the relationship of these factors to the development of leaf crinkle. ...