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A survey of the cedar research completed at the Southwest Texas State Teachers CollegeGary, Charles E. January 1948 (has links)
Thesis (M.A.)--Southwest Texas State University, 1948. / Includes bibliographical references (leaves 53-55).
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A survey of the cedar research completed at the Southwest Texas State Teachers College /Gary, Charles E. January 1948 (has links)
Thesis (M.A.)--Southwest Texas State University, 1948. / Includes bibliographical references (leaves 53-55).
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Evaluation of NO₂ sorption of Japanese cedar wood (Cryptomeria japonica) / スギ材の二酸化窒素収着評価Nakagawa, Miyuki 24 September 2021 (has links)
京都大学 / 新制・課程博士 / 博士(農学) / 甲第23525号 / 農博第2472号 / 新制||農||1087(附属図書館) / 学位論文||R3||N5356(農学部図書室) / 京都大学大学院農学研究科森林科学専攻 / (主査)教授 梅村 研二, 教授 矢野 浩之, 教授 仲村 匡司 / 学位規則第4条第1項該当 / Doctor of Agricultural Science / Kyoto University / DFAM
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Dinosaurian Faunas of the Cedar Mountain Formation and LA-ICP-MS Detrital Zircon Ages for Three Stratigraphic SectionsMori, Hirotsugu 23 November 2009 (has links) (PDF)
The Cedar Mountain Formation contains the most diverse record of Early Cretaceous dinosaurs in the western hemisphere. However, analyses of its faunas have been hindered because 1) most taxa are based on incomplete/fragmentary materials or incomplete descriptions, 2) most sites and some horizons preserve few taxa, and 3) the stratigraphy and geochronology are poorly understood. To help resolve these stratigraphic and correlation problems U-Pb LA-ICP-MS detrital zircon ages were obtained at significant sites and horizons. These dates indicate all sites at or near the base of the formation are no older than 122 to 124 Ma, thus all basal stratigraphic packages are time equivalent. Detrital zircons coarsely bracket the temporal span of the Ruby Ranch Member between about 115 Ma to 111 Ma while the base of the Mussentuchit Member is dated between 108 to 104 Ma and the top of the member is Cenomanian in age. Multivariate analyses utilizing Simpson and Raup-Crick similarity index and pair-group moving algorithms reveal that formationfs faunas fall into two groups. These groups are compared statistically with European, Asian, and Morrison faunas. Results indicate (1) that there is no close relationship between the Yellow Cat fauna and the Morrison Formation fauna and (2) corroborate long-standing hypotheses that the Yellow Cat fauna has European ties and the Mussentuchit fauna has Asian ties. Detrital zircon LA-ICP-MS U-Pb ages were used in this study to approximate the time of deposition of strata because volcanic ashes are rarely preserved in the formation. The ability to select the youngest crystals in a sample prior to applying analytical methods could substantially reduce the number of crystals and cost required to obtain these dates. To this end, the hypothesis that the most pristine, unabraded crystals should be younger than abraded crystals was tested by imaging detrital zircons via SEM, ranking the crystals by the degree of abrasion, and determining their ages. Results of this study partly corroborate the hypothesis in that there is a correlation between the degree of abrasion and ages – obviously abraded crystals are most likely the oldest while pristine to slightly abraded crystals are usually the youngest in a given sample.
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A Geotechnical Investigation of the October 2011 Cedar City Landslide, UtahTizzano, Ashley S. 24 April 2014 (has links)
No description available.
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Lithologic Evidence of Jurassic/Cretaceous Boundary Within the Nonmarine Cedar Mountain Formation, San Rafael Swell, UtahAyers, James D. 24 November 2004 (has links)
No description available.
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Port-Orford-cedar and Phytophthora lateralis : grafting and heritability of resistance in the host, and variation in the pathogenMcWilliams, Michael G. 06 June 2000 (has links)
Port-Orford-cedar (Chamaecyparis lawsoniana) is a forest tree native to
a small area of Oregon and California. A root disease caused by
Phytophthora lateralis causes widespread mortality of Port-Orford-cedar.
This dissertation examines three important elements of the Port-Orford-cedar
P. lateralis pathosystem related to breeding for disease resistance:
use of resistant rootstocks to maintain genotypes of Port-Orford-cedar for
breeding; the heritability and genetic basis of disease resistance; and
variability in virulence and DNA fingerprint among a sample of P. lateralis
isolates.
Port-Orford-cedar was reciprocally grafted to western redcedar (Thuja
plicata), incense cedar (Calocedrus decurrens), and Alaska yellow-cedar
(Chamaecyparis nootkatensis). Port-Orford-cedar scion graft success was
moderate with western redcedar and incense cedar, but extreme
overgrowth of the rootstock by the scion indicated incompatibility. Xylem
union was good, but phloem union was incomplete or lacking. Nearly all
Port-Orford-cedar rootstocks and seedlings exposed to P. lateralis died of
root disease. Four percent of the Alaska yellow-cedar exposed also died,
confirming this tree as a host for P. lateralis.
Resistance of Port-Orford-cedar to P. lateralis is rare. A small number
of trees have been identified exhibiting resistance. A number of families
were tested to determine the genetic basis for resistance. Estimates of
narrow-sense and family mean heritability of resistance, as exhibited by
restriction of lesion length after inoculation, were determined. Both narrow-sense
and family mean heritabilities were between 0.61 and 0.98 in most
tests. Between 21% and 32% of the variance was due to differences
among families.
Thirteen isolates of P. lateralis were collected from three hosts
throughout the geographic range of the fungus. Variation in growth rate on
artificial media at three temperatures, virulence when used to inoculate
Port-Orford-cedar, and DNA fingerprint were compared. There were
significant differences in growth rate among isolates at 24C, but fewer
differences at lower temperatures and on a rich medium. One isolate
produced significantly shorter lesions in three different inoculation tests.
Isolates differed at only two of 189 bands produced by Inter Simple
Sequence Repeat (ISSR) DNA primers, indicating very little genetic
variation among isolates. / Graduation date: 2001
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The role of the senior pastor in relocating a church a case study approach /Scheil, Randall Lee. January 2003 (has links)
Thesis (D. Min.)--Trinity International University, 2003. / Abstract. Includes bibliographical references (leaves 152-155).
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Determining the Emissivity of Roofing Samples: Asphalt, Ceramic and Coated CedarAdesanya, Oludamilola 12 1900 (has links)
The goal is to perform heat measurements examine of selected roofing material samples. Those roofing materials are asphalt shingles, ceramics, and cedar. It’s important to understand the concept of heat transfer, which consists of conduction, convection, and radiation. Research work was reviewed on different infrared devices to see which one would be suitable for conducting my experiment. In this experiment, the main focus was on a specific property of radiation. That property is the emissivity, which is the amount of heat a material is able to radiate compared to a blackbody. An infrared measuring device, such as the infrared camera was used to determine the emissivity of each sample by using a measurement formula consisting of certain equations. These equations account for the emissivity, transmittance of heat through the atmosphere and temperatures of the samples, atmosphere and background. The experiment verifies how reasonable the data is compared to values in the emissivity table. A blackbody method such as electrical black tape was applied to help generate the correct data. With this data obtained, the emissivity was examined to understand what factors and parameters affect this property of the materials. This experiment was conducted using a suitable heat source to heat up the material samples to high temperature. The measurements were taken during the experiment and displayed by the IR camera. The IR images show the behavior of surface temperatures being distributed throughout the different materials. The main challenge was to determine the most accurate emissivity values for all material samples. The results obtained by the IR camera were displayed in figures and tables at different distances, which was between the heap lamp and materials. The materials exhibited different behaviors in temperature and emissivity at certain distances. The emissivity of each material varied with different temperatures. The results led to suggestions of certain materials that could be beneficial and disadvantageous in energy and cost savings during cold and hot seasons of the year. Also this led to some uncertainties in the data generated. Overall, this can support in exploring other ideas to increase energy and cost saving consistently during both season by using a material that can change its color and density based on a high or low temperature.
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The geology of the building stone of Cedar Park and vicinityBarrow, Leonidas Theodore 07 November 2012 (has links)
Not available / text
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