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Browsing VTechWorks Administration by Issue Date
Now showing items 1-20 of 2664
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The design, construction, and operation of a centrifugal molecular still
(Virginia Tech, 1949-05-15)The three basic requirements for unobstructed, short path distillation are: a surface over which a think layer of distilland is distributed, a cooler condensing surface in close proximity to the evaporating surface, and ... -
Resolving Land Use Conflicts
(Farm Foundation, 1972) -
Postemergence growth of the ovarian follicles of Aedes aegypti
(1977)Growth of the ultimate follicle to the resting stage in Aedes aegypti is linear and reaches maximum development about 6Ohr after emergence. Decapitations and ligations at various times after emergence indicate that growth ... -
Economically optimum design of cusum charts when there is a multiplicity of assignable causes
(Virginia Tech, 1978-10-05)This study is concerned with the design of cumulative sum charts based on a minimum cost criterion when there are multiple assignable causes occurring randomly, but with known effect. A cost model is developed that relates ... -
Effects of field applications of paraquat on densities of Panonychus ulmi (Koch) and Neoseiulus fallacis (Garman)
(1986)Neoseiulus fallacis (Garman) is the most important acarine predator of the European red mite, Panonychus ulmi (Koch), in sprayed apple orchards in the eastern United States [Poe, S. L., and W. R. Enns. 1969. ... -
Nitrogen and potassium fertilization effects on yield and quality of burley tobacco
(1987)Field studies were conducted in 1983 and 1984 at Lexington, KY to examine the effects of N and K fertilizer on yield and chemical quality of burley tobacco (Nicotiana tabacum L. cv. Ky 14). Treatments included: ... -
Intellectuals, literature, and publishing houses in Iran: 1960-1990
(1990)This paper contends that the politics of interpretation in any society cannot be comprehended in its entirety unless the questions of agency and medium are analyzed. Looking in particular at the role of publishing houses ... -
Evaluation of methods to protect poultry house insulation from infestations by lesser mealworm (Coleoptera: Tenebrionidae)
(1991)Insecticide sprays Bnd paint barriers Applied to the surface of extruded polystyrene, and different types of insulation, were evaluated for prevention of lesser melllwonn, Alphitobius diapcn"nlls (Panzer), infestations. ... -
The Haven of the Monastery and the Harvest of Souls: Monasticism and Missions according to Gregory the Great
(1991-05-01)Monasticism and missions, at first glance, would seem to have little to do with one another. Monasticism is characterized by a life of contemplation, carried out in withdrawal from the activities of the world. Mission, on ... -
Thermal expansion driven indentation stress-strain system
(1992-07-28)Disclosed is a method and apparatus of indentation testing of variable types of specimens which includes mounting an indenter member onto a thermally expandable member, mounting the specimen to be tested on a pedestal, ...
