This thesis derives a Probability distribution function which expresses the expected length of discontinuous fiber segments in a uniaxially aligned fiber reinforced composite. The strength of elemental volumes of fiber, used in this derivation are inferred from 1ength versus strength tests.on individual fibers. The fibers are assumed to have statistically distributed flaws that allow characterization of fiber strength by a Weibull type equation. The probability distribution function is then used to compute the average fiber stress at composite failure. This allows calculation of composite strength by the well known law of mixtures. Composite strength determined by this method show good correlation with published experimental values for glass fiber composites. / Master of Science

A continuous flow, helically coiled tube, indirect heat exchanger was used to heat treat whole milk from 65.6 C to 148.9 C in 5.5 degree increments. Each total heat treatment consisted of 7 seconds. Samples of milk were taken at each heat treatment temperature. The serum was separated by rennin coagulation of the caseins and the heat denatured serum proteins. A fluorometric method of analysis for total sulfhydryl content of milk serum was developed that was rapid and sensitive to changes in parts per billion. Quantitative changes in total sulfhydryl at the different ultra-high temperature (UHT) treatments were related to serum protein denaturation, and were used as an index to heat treatments. Electrophoretic patterns of UHT treated milk showed that β-lactoglobulin was the most heat sensitive serum protein, and these patterns were used as an index to heat treatments. Alpha-lactalbumin was not denatured by the applied UHT treatments. The immunoglobulins were partly denatured, but a progressive increase in denaturation was not shown with increasing temperatures. Comparisons of these results with earlier work showed that less milk serum protein was denatured by UHT treatments than by corresponding temperatures with 30 minute holding times. / Master of Science

Blood samples were collected from 80 wild deer in four areas of the southeastern United States, and from 50 captive deer on three levels of nutrition at Pennsylvania State University. Blood lipids were fractionated by thin layer chromatography; serum proteins were separated by electrophoresis on cellulose acetate strips; and proportional concentrations of lipid and protein fractions were determined by densitometry. Significant differences between seasons were found for fatty acids, lecithins, and alpha globulin in the wild deer. No tests for seasonal differences were made for captive deer. Three regression equations were developed to describe the data. The following equations were obtained by computer using the BMD-O2R packaged program. y = 35.3 - 7.0X₁ - 12.6X₂ + 1.5X₃ + 3.6X₄ + 0.3X₅ - 0.4X₆ where: y = body weight in kg. of wild deer X₁ = condition index¹ (a dummy variable) X₂ = condition index² (a dummy variable) X₃ = age in years X₄ = season¹ (a dummy variable) X₅ = polar lipids (percentage of total lipids) X₆ = cholesterol (percentage of total lipids) The multiple R² for the equation above was 0.57 y = -987.1 + 210.4X₁ - 1549X₂ where: y = mean weekly food intake by captive deer for a 2 month period prior to blood collection. (grams dry matter intake) X₁ = body weight in kg. of captive deer X₂ = season¹ (a dummy variable) The multiple R² for the second regression was 0.81. y = 50.8 - 7.3X₁ where: y = mean weekly digestible protein intake in grams by captive deer over a 2 month period prior to blood collection. X₁ = season¹ (a dummy variable) / Master of Science

Tests were run on samples of ferric sulfate sludge collected from the sedimentation basins of a water treatment plant during basin cleaning operations. The purpose of the testing was to determine if cationic, anionic and nonionic polyelectrolytes could successfully condition the sludge to improve its dewaterability. In addition the parameters which affected the conditioning mechanism. were investigated. Tests that were run during the investigation included specific resistance, COD, total and volatile solids, zeta potential and pH. Polyelectrolyte conditioned and unconditioned sludge samples were applied to bench scale sand beds to determine the effect of conditioning on the dewatering rate of the sludge. Results indicated that all types of polyelectrolytes used reduced the specific resistance of the sludge. However, specific resistance was only a qualitative measure of the effect of polyelectrolytes on gravity dewatering of the sludge. Anionic and nonionic polyelectrolytes exhibited chemical bridging as the mechanism of conditioning while cationic polyelectrolytes conditioned by both chemical bridging and charge neutralization. Both pH and sludge solids content were found to affect the conditioning process. The sand bed studies indicated that sludge conditioned with anionic polyelectrolytes produced a more porous floc structure that dewatered to a cake that was easily removed from the bed. Cost data for polyelectrolytes indicated that conditioning of the sludge by this method was very economical. / Master of Science

Virginia's deer kill data, 1947 to 1967, were analyzed. Multiple linear regression analysis was used as the deer kill, in general, is still increasing in the counties of Virginia. The data concerning proximity, access, human population, farm size, farmland uses, and the types and acreages of forest stands were studied in 10 western Virginia counties. Correlation analysis was used for this data. The significant variables were identified but were not included in the multiple linear regression analysis because yearly estimates were not available. Estimates of deer density made by personnel of the Virginia Commission of Game and Inland Fisheries are very reliable and are significantly correlated with deer kill. Variables concerning weather during the hunting season, hunting season regulations and characteristic components of the deer kill in previous hunting seasons were utilized in multiple linear regression analyses of the data from the counties of Virginia. Predictions of deer kill for groups of counties (i.e. management units) are more reliable than predictions for individual counties. It was found that predictions of hunting pressure are not as reliable as predictions of deer kill. Tile shifting of hunters in response to reports of favorable hunting is likely responsible. Analysis of the indices of hunting pressure also revealed that hunting pressure changes with different season types in western Virginia. / Master of Science

A study was made of the film characteristics and the local heat transfer coefficients for the downward flow of steam condensing in a vertical tube. The mass velocity of the steam was such that the flow occurred in the annular-mist regime. The interfacial wave velocities, frequencies, and amplitudes were experimentally determined using needle contact probes. From these data on wave characteristics a statistical wave form was obtained. The liquid mass flow occurring in identifiable waves was determined from a numerical integration over the disturbance layer (i.e., that portion of the liquid layer in which waves are present) and compared to the liquid mass flow given by an energy balance and an entrainment correlation. The results indicated a heavy concentration of liquid particle entrainment in the neighborhood of the film. In addition, the axial profiles of the local heat fluxes and local heat transfer coefficients across the film were obtained. The film Nusselt number at the location of the probes based on an operationally defined mean film thickness was found to correlate with the product of the dynamic quality and the ratio of liquid to gas densities. / Master of Science

The purpose of this thesis is to examine from a feminist perspective two novels of the Austrian writer, Marlen Haushofer (1920, Frauenstein-1970, Steyr): Die Tapetentur (1957) and Die Mansarde (1969). / Both work were written in a "pre-feminist" period in the history of German women writers. However, with the aid of contemporary feminist approaches, they can be rediscovered and deciphered for the modern reader. / In the first chapter I will introduce the theories to be applied, the biography of her author and the reception of the work, focusing on areas relevant to the topic of the thesis. The recurring themes of spatial isolation and speechlessness will then be analysed in terms of form and content. Through the observation of physical spaces and their psychological implications, and through the investigation of a new form of verbal expression and freedom, a process of writing continuity ("Fortschreibung") emerges from Haushofer's world. / In the related characters of two women figures, Annette in Die Tapetentur and the unnamed heroine in Die Mansarde, Marlen Haushofer establishes a line of development in her work. At the end of her literary career, she succeeds in delivering to the reader her encoded version of the liberation of women from their fettered, hopeless existence.

Orientador: João Manuel Cardoso de Mello / Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Economia / Made available in DSpace on 2018-07-13T23:42:12Z (GMT). No. of bitstreams: 1 Quadros_WaldirJosede_D.pdf: 7602795 bytes, checksum: 37afacacf9a61f5bef7fe1dc109178be (MD5) Previous issue date: 1991 / Resumo: Não informado / Abstract: Not informed. / Doutorado / Doutor em Ciências Econômicas

Orientador: Mauricio Chafin Coutinho / Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Economia / Made available in DSpace on 2018-07-14T00:36:34Z (GMT). No. of bitstreams: 1 Pedrosa_IvoVasconcelos_D.pdf: 5405186 bytes, checksum: 0280c2b44a6727e27044c5ecba1f7163 (MD5) Previous issue date: 1991 / Resumo: O estudo desenvolvido nesta tese tem como objeto o Estado capitalista brasileiro entre meados dos anos setenta e meados dos oitenta. Concentra-se nos sistemas de gastos públicos e de seu financiamento, especificamente, asaplicações de recursos nas áreas com impactos redistributivos de renda ou de riqueza, comumente denominadas de 'áreas sociais'...Observação: O resumo, na íntegra, poderá ser visualizado no texto completo da tese digital / Abstract: This thesis has the Brazilian capitalist state during the mid-1970s to the mid-1980s as its subject. It focuses on public outlays and their financing. More specifically, it investigates the process of resource alocation in areas with income and wealth redistributive impacts, the so-called 'social areas'...Note: The complete abstract is available with the full electronic digital thesis or dissertations / Doutorado / Doutor em Economia

Orientador: Liana Maria Aureliano da Silva / Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Economia / Made available in DSpace on 2018-07-15T03:59:21Z (GMT). No. of bitstreams: 1 Leao_IgorZanoniConstantCarneiro_M.pdf: 4544877 bytes, checksum: 3d4ca1e8154fcb6bfeca2d237deb18c8 (MD5) Previous issue date: 1986 / Resumo: Não informado / Abstract: Not informed. / Mestrado / Mestre em Economia