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The relationship of lysosomal stability to radiation-induced delay of cell division in Tetrahymena pyriformis

Creator:: Hodge, Frederick Allen
Abstract:: Cell division in a heat synchronized Tetrahymena pyriformis (GL-I) cell can be delayed if the cell is exposed to X-irradiation (300 kVp, 20 mA, HVL = 0. 9 mm Cu, 25 R/ sec) prior to a critical time after the end of the synchronizing treatment (EST). At the critical time,...
Resource Type:: Dissertation
Full Text:: United States Navy, Bureau of Medicine and Surgery for financial support of this study. TABLE OF

Education of American research astronomers, 1876-1941

Creator:: Hall, Robert Dale, 1947-
Abstract:: The education (particularly graduate education) of Americans who were active in astronomical research between 1876 and 1941 is assessed for its effectiveness in preparing the astronomers for careers in research. This period contains three dynamic changes: the growth of American astronomy in becoming the world's leading community of astronomers, the...
Resource Type:: Dissertation
Full Text:: ," as used in this study, refers specifically to citizens or long- term residents of the United States

Boundaries of research : civilian leadership, military funding, and the international network surrounding the development of numerical weather prediction in the United States

Creator:: Harper, Kristine C.
Abstract:: American meteorology was synonymous with subjective weather forecasting in the early twentieth century. Controlled by the Weather Bureau and with no academic programs of its own, the few hundred extant meteorologists had no standing in the scientific community. Until the American Meteorological Society was founded in 1919, meteorologists had no...
Resource Type:: Dissertation
Full Text:: of Numerical Weather Prediction in the United States. Abstract approved: E. Doel American

Rocks and reactors : an atomic interpretation of human rights, 1941-1979

Creator:: Richards, Linda Marie
Abstract:: The atomic age was enacted by many scientists as a way to realize health and human rights. Human rights were conceived in this context as rights to economic development, science education, and nuclear medicine. The United States Atomic Energy Commission (AEC) acted hand in hand with UN agencies and educators...
Resource Type:: Dissertation
Full Text:: influenced by the needs of the United States security state.19 Health and human rights claims of both

Agricultural export promotion and economic structure : an historical perspective

Creator:: Townsend, Terry P.
Abstract:: The United States has had a long history of promoting agricultural exports, and the return to conditions of extreme surplus in many agricultural markets in recent years has revived interest in this topic. Some products received imperial bounties during our colonial era, but the systematic collection of trade statistics for...
Resource Type:: Dissertation
Full Text:: PERSPECTIVE. Abstract approved: U Joim A. Edwards The United States has had a long history of promoting

Geneticist L.C. Dunn : politics, activism, and community

Creator:: Gormley, Melinda (Melinda Brooke)
Abstract:: L. C. Dunn (1893-1974) spent most of his scientific career conducting research in developmental genetics as a member of the Zoology Department at Columbia University in the City of New York. He had an accomplished scientific career researching mutations in mice, which earned him respect from other geneticists and scientists....
Resource Type:: Dissertation
Full Text:: citizens inside and outside of the United States. Guiding Dunn were his beliefs in socialism, democracy

Dixy Lee Ray, marine biology, and the public understanding of science in the United States (1930-1970)

Creator:: Ellis, Erik
Abstract:: This dissertation focuses on the life of Dixy Lee Ray as it examines important developments in marine biology and biological oceanography during the mid twentieth century. In addition, Ray's key involvement in the public understanding of science movement of the 1950s and 1960s provides a larger social and cultural context...
Resource Type:: Dissertation
Full Text:: . Marine Biology, and the Public Understanding of Science in the United States (1930-1970) Abstract

Identifying Opportunities for Collaboration in Resilience-Based Management: Coordinating Rancher and Land Manager Incentives

Creator:: Maher, Anna T.
Abstract:: Resilience-based management in rangelands implies maintaining desirable ecological states and avoiding thresholds to less desirable ones; however, the efficacy of resilience-based management depends upon several driving forces. These forces include management by those who depend upon rangelands for their livelihoods, the current state of ecological health of rangelands, and changing...
Resource Type:: Dissertation
Full Text:: management by those who depend upon rangelands for their livelihoods, the current state of ecological

A Microeconomic Analysis of Wildfire Suppression Programs in the Western United States

Creator:: Rossi, David J.
Abstract:: This dissertation studies the microeconomics of forest fire suppression programs. It starts with an inquiry into the causes of increasing shares of public land management budgets devoted to wildland fire suppression in lieu of hazardous fuel reduction or other pre-fire risk mitigation programs. The first two chapters consider competing economic...
Resource Type:: Dissertation
Full Text:: aDepartment of Applied Economics. Oregon State University. Corvallis, OR. bDepartment of Forest Engineering

A cooperative work experience approach to in-service staff development for selected community colleges

Creator:: Visger, Dale Bennett
Abstract:: The major purpose of this research was to study the in-service programs for community college vocational instructors, and develop guidelines for a cooperative work experience approach to in-service staff development. The specific objectives of the study were: (1) To develop a research instrument capable of measuring the agreement relative to...
Resource Type:: Dissertation
Full Text:: renewal. Garrison (1975) clearly states the problem as follows: The present typical state of in-service

ScholarsArchive@OSU

The relationship of lysosomal stability to radiation-induced delay of cell division in Tetrahymena pyriformis

Education of American research astronomers, 1876-1941

Boundaries of research : civilian leadership, military funding, and the international network surrounding the development of numerical weather prediction in the United States

Rocks and reactors : an atomic interpretation of human rights, 1941-1979

Agricultural export promotion and economic structure : an historical perspective

Geneticist L.C. Dunn : politics, activism, and community

Dixy Lee Ray, marine biology, and the public understanding of science in the United States (1930-1970)

Identifying Opportunities for Collaboration in Resilience-Based Management: Coordinating Rancher and Land Manager Incentives

A Microeconomic Analysis of Wildfire Suppression Programs in the Western United States

A cooperative work experience approach to in-service staff development for selected community colleges

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