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Attenuation of compressional waves in the earth's mantle

Creator:: Sarmah, Suryya Kanta
Abstract:: Fourier transformed amplitudes of the compressional waves recorded between 9° and 91° (about 1000 to 10,000 km) epicentral distance from Gnome, Shoal, Haymaker,and Bilby underground nuclear explosions have been compared with Fourier transformed amplitudes of P waves measured at distances between 9.0 and 1 3. 0 km from the explosions....
Resource Type:: Dissertation
Full Text:: for Privacy ACKNOWLEDGMENT This research was performed under the direction of Dr. Joseph W. Berg

Transmission and attenuation of the primary seismic wave, [delta]=100 to 600 KM

Creator:: Long, L. T. (Leland Timothy)
Abstract:: The character of the primary seismic wave in the range of distances between 100 and 600 km is affected by such factors as the nature of the source, exponential attenuation, crustal structure, type of wave propagation, recording site geology and instrument response. The first arrivals from the GNOME and SHOAL...
Resource Type:: Dissertation
Full Text:: , Washington, District of Columbia. I am grateful to Dr. Joseph W. Berg, Jr. for his assistance throughout

Seismic source characteristics from explosion generated P waves

Creator:: Trembly, Lynn Dale
Resource Type:: Dissertation
Full Text:: presented in this thesis was performed under the direction of Dr. Joseph W. Berg, Jr., Professor of

Some aspects of the biological metabolism of a partially colloidal substrate

Creator:: Berg, Richard Harold
Abstract:: An investigation was conducted to ascertain if certain concepts of microbial metabolism, derived from studies using simple soluble substrates, are applicable to the biological assimilation of complex, partially colloidal suspensions. A mixture containing one gram of Carnation dry-skim milk is considered to be a complex, partially colloidal substrate and was...
Resource Type:: Dissertation
Full Text:: colloidal substrate AN ABSTRACT OF THE THESIS OF RICHARD .:HAROLD BERG for the Ph. D. in Civil

Yeast extractives in the nutrition of San Francisco sourdough bacteria (Lactobacillus sanfrancisco)

Creator:: Berg, Ronald Wayne
Abstract:: A laboratory-prepared hot-water extract of yeast is required for vigorous growth of San Francisco sourdough bacteria (Lactobacillus sanfrancisco) in pure culture. This requirement was examined with the goal of determining what is unique about fresh yeast extractives (commercial extractives exhibit much lower growth promoting activity), and which components of fresh...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF RONALD WAYNE BERG for the

Comparative development of a thinned and a natural Douglas-fir stand from 45 to 60 years of age

Creator:: Groman, William A.
Abstract:: An understanding of the dynamics of individual tree and stand growth, development, and structural patterns during the immature formative years of a commercial species is essential to determine correct thinning practices necessary to attain desired objectives. This study compared a natural, medium-site Douglas-fir stand and an adjacent similar stand released...
Resource Type:: Dissertation

Systematic, genomic, and transcriptomic analysis of mycoparasitic Tolypocladium species and their Elaphomyces hosts

Creator:: Quandt, C. Alisha
Abstract:: Fungi in the genus Tolypocladium are diverse in their host associations, but the predominant ecologies include parasites of the ectomycorrhizal genus Elaphomyces and pathogens of insects. The aim of this dissertation research is to examine the evolution of these fungi and their host associations. To accomplish this several lines of...
Resource Type:: Dissertation
Full Text:: :________________________________________________________ Joseph W. Spatafora Fungi in the genus Tolypocladium are diverse in their host

Characterization of fungal and bacterial communities associated with mat-forming ectomycorrhizal fungi from old-growth stands in the H.J. Andrews Experimental Forest

Creator:: Hesse, Cedar N.
Abstract:: Mat-forming ectomycorrhizal (EcM) fungi represent a prevalent constituent of many temperate forest ecosystems and create dramatic changes in soil structure and chemistry. EcM mat soil have been shown to have increased microbial respiration rates and have been hypothesized to harbor unique assemblages of fungi and bacteria. The objectives of this...
Resource Type:: Dissertation
Full Text:: : _____________________________________________________________________ Joseph W. Spatafora Mat-forming ectomycorrhizal (EcM) fungi represent a prevalent

Coherent raman spectroscopy of molecular clusters

Creator:: Yang, Ming, 1959-
Resource Type:: Dissertation
Full Text:: for Privacy Professor Joseph W. Nibler Several refinements of the Coherent anti-Stokes Raman

Systematics and phylogeny of Cordyceps and the Clavicipitaceae with emphasis on the evolution of host affiliation

Creator:: Sung, Gi-Ho
Abstract:: Cordyceps is a genus of perithecial ascomycetes. It includes over 400 species that are pathogens of arthropods and parasites of the truffle genus Elaphomyces. Based on the morphology of cylindrical asci, thickened ascus apices and filiform ascospores, it is classified in the Clavicipitaceae (Hypocreales), which also includes endophytes and epiphytes...
Resource Type:: Dissertation
Full Text:: Privacy Redacted for privacy CONTRIBUTION OF AUTHORS Dr. Joseph W. Spatafora was involved in the

ScholarsArchive@OSU

Attenuation of compressional waves in the earth's mantle

Transmission and attenuation of the primary seismic wave, [delta]=100 to 600 KM

Seismic source characteristics from explosion generated P waves

Some aspects of the biological metabolism of a partially colloidal substrate

Yeast extractives in the nutrition of San Francisco sourdough bacteria (Lactobacillus sanfrancisco)

Comparative development of a thinned and a natural Douglas-fir stand from 45 to 60 years of age

Systematic, genomic, and transcriptomic analysis of mycoparasitic Tolypocladium species and their Elaphomyces hosts

Characterization of fungal and bacterial communities associated with mat-forming ectomycorrhizal fungi from old-growth stands in the H.J. Andrews Experimental Forest

Coherent raman spectroscopy of molecular clusters

Systematics and phylogeny of Cordyceps and the Clavicipitaceae with emphasis on the evolution of host affiliation

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