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The coloration of animals : a nineteenth century controversy

Creator:: Blaisdell, Muriel Louise
Abstract:: Mimicry, obscure colors, and secondary sexual colors were important classes of observations that were analyzed by nineteenth century biologists from several vantage points. Adherents of the doctrine of special creation of fixed species believed animal colors to be evidence of design; Darwin and Wallace and their successors suggested that a...
Resource Type:: Masters Thesis
Full Text:: Notebook. (July, 1837-Feb. , 1838)", Bulletin of the British Museum (Natural History) Historical Series 2(2

Seasonal concentration, turnover and mode of accumulation of ³²P by the juvenile starry flounder Platichthys stellatus (Pallas) in the Columbia River Estuary

Creator:: Bolen, John Joseph
Abstract:: The seasonal concentration, turnover and mode of accumulation of ³²P by the juvenile starry flounder in Alder Slough, a small eco-system in the Columbia River Estuary, was examined during 1969 and 1970. Levels of ³²P and concentrations of total P were measured to permit computation of specific activities (nCi³²P/g total...
Resource Type:: Dissertation

John Turberville Needham (1713-1781) and eighteenth century theories of generation

Creator:: Benson, Keith Rodney
Abstract:: There were two viable theories of generation, preformation and epigenesis, existing in the Seventeenth and Eighteenth Centuries. Due to their irreconcilable nature, they were often at loggerheads during this time interval. The status of these generation theories can be effectively understood in terms of Thomas Kuhn's conception of preparadigm science....
Resource Type:: Masters Thesis

The development of the chlorinity-salinity concept in oceanography

Creator:: Wallace, William J.
Abstract:: This study traces the historical foundations of the concept of constant ionic proportionality and the equation (Salinity [S%₀] = 1.805 Chlorinity [Cl%₀] + 0.030) which has been in general use in oceanography since 1902 until 1969 and which is based upon this constancy, The notion that the constituents present in...
Resource Type:: Dissertation

A study of field burning under varying environmental conditions

Creator:: Meland, Bruce Roger
Abstract:: A field study on grass field burning was conducted in the Willamette Valley of Oregon during the summer of 1965. Approximately 243,000 acres of grass fields are burned in the valley during August and September. Serious air pollution problems result from this burning. The purposes of the study were to...
Resource Type:: Masters Thesis
Full Text:: provided the essential impetus for the success of this study; also to Rex Warren, Extension Farm Crops

Oxygen consumption by Dendroctonus pseudotsugae Hopkins

Creator:: King, Keith Irl
Abstract:: Oxygen uptakes of Douglas-fir beetles collected during November 1969 through April 1970 were measured at different experimental temperatures. The oxygen uptakes of adult beetles increased at each experimental temperature as the seasons progressed from winter to spring. The larval and pupal Douglas-fir beetles, collected in February 1970, had lower oxygen...
Resource Type:: Masters Thesis
Full Text:: . Extension service. Technical Bulletin, no. 86) 3. Daterman, G. E., J. A. Rudinsky and W. P. Nagel. Flight

William Keith Brooks (1848-1908) : a case study in morphology and the development of American biology

Creator:: Benson, Keith Rodney
Abstract:: The major historical studies that have examined American biology have emphasized the development of experimental biology at the end of the nineteenth century. In this characterization, the descriptive branch of biology has often been treated as less than important and, in several cases, as a hindrance in the application of...
Resource Type:: Dissertation

Radiotracer methodology in biological science

Creator:: Willis, David L.
Abstract:: The use of radioactive isotopes as tracers in biological systems has become widespread since the close of World War II. Proper use of radiotracers requires a fundamental understanding of the physical nature of radioactivity, the characteristics of ionizing radiation, and the various methods available for measuring radioactivity. More importantly, the...
Resource Type:: Dissertation
Full Text:: WITH MATTER 497 VII STATISTICAL CONSIDERATIONS IN THE MEASUREMENT OF RADIOACTIVITY 508 PART THREE

Denison Olmsted (1791-1859), scientist, teacher, Christian : a biographical study of the connection of science with religion in antebellum America

Creator:: Schoepflin, Gary Lee
Abstract:: A biographical study of Denison Olmsted, focusing upon his own Christian world view and its connection with his various activities in science, supports the view that religion served as a significant factor in the promotion of science in America during this time period. Olmsted taught physics, meteorology and astronomy at...
Resource Type:: Dissertation

Henry Augustus Rowland and his electromagnetic researches

Creator:: Miller, John D. (John David)
Abstract:: This analysis concerns the life and scientific work of Henry Augustus Rowland (1848-1901), organizer and the first chairman of the physics department at The Johns Hopkins University in 1876. Special materials used in this research included three pieces of Rowland's experimental apparatus which are extant in the Smithsonian Institution Division...
Resource Type:: Dissertation

ScholarsArchive@OSU

The coloration of animals : a nineteenth century controversy

Seasonal concentration, turnover and mode of accumulation of ³²P by the juvenile starry flounder Platichthys stellatus (Pallas) in the Columbia River Estuary

John Turberville Needham (1713-1781) and eighteenth century theories of generation

The development of the chlorinity-salinity concept in oceanography

A study of field burning under varying environmental conditions

Oxygen consumption by Dendroctonus pseudotsugae Hopkins

William Keith Brooks (1848-1908) : a case study in morphology and the development of American biology

Radiotracer methodology in biological science

Denison Olmsted (1791-1859), scientist, teacher, Christian : a biographical study of the connection of science with religion in antebellum America

Henry Augustus Rowland and his electromagnetic researches

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