Now showing items 11638-11657 of 14623

    • A RULE-BASED FINITE ELEMENT MODELING SYSTEM

      Kissil, Andrew, 1958- (The University of Arizona., 1987)
    • A RULE-BASED PROGRAMMING LANGUAGE AND ITS APPLICATION TO IMAGE RECOGNITION

      Mehldau, Gerhard, 1959- (The University of Arizona., 1986)
    • Rules and regulations governing interscholastic athletic activities in the United States

      Simonich, Edwin James, 1904- (The University of Arizona., 1938)
    • The ruling elite of Korea: 1894-1907

      Quiñones, C. Kenneth (Carlos Kenneth), 1943- (The University of Arizona., 1969)
    • A rural communicable disease simulation model

      Coffey, Richard James, 1943- (The University of Arizona., 1971)
    • The rural land use of Kenya

      Martin, Esmond Bradley (The University of Arizona., 1966)
    • Rural Subdivision Regulations

      Parry, Dylan Wyn (The University of Arizona., 2007)
    • Rural to urban water transfers in Arizona : an economic analysis

      DeWalt, David A.,1962- (The University of Arizona., 1987)
      Arizona cities and urban developers in Arizona have been purchasing irrigated agricultural lands in recent years to obtain the lands' appurtenant water rights in order to meet the increased urban water demands. The objective of the study was to determine whether or not farmers who sold their land and water rights benefitted from the transactions based on a comparison of the price received with the value of the land and water rights in agricultural production. Results showed that the minimum price that a farmer could have accepted was a fraction of what the urban buyers paid. Included in the study was the effects of government commodity programs on the value of water in irrigated agriculture. The study concluded that for Arizona cotton growers, federal price support programs increased the returns to water significantly, which, in turn, increased the value of water to the Arizona cotton farmer. Price supports, therefore, kept the farmer's minimum price for land and water rights higher than had there not been price supports.
    • Russian and Ukrainian Adjectives Referring to Place-names: a Contrastive Analysis

      Phillips, Olena (The University of Arizona., 2010)
      This thesis examines linguistic similarities and differences between the Russian and Ukrainian languages regarding the word formation of adjectives referring to place names (toponyms). Using contrastive analysis for analyzing the database composed of approximately 1500 shared toponyms, information is presented revealing the use of appropriate derivational paradigms. Tables are provided illustrating important characteristics of toponym stem-endings and the acquisition of their corresponding suffixes. This information culminates in a better understanding of the proper use within each language for the 25 Russian and 18 Ukrainian suffixes used in the derivational models, and its application within language. Analyzing derivational paradigms of these two investigated languages, I found 15 similar and 7 different models resulting from the word formation process. This information brings a clearer picture for both languages on how derivational paradigms are used in the proper formation of adjectives.
    • S(N) calculated neutron energy spectra from fusing dt microspheres

      Cauble, Robert C. (The University of Arizona., 1976)
      The mean energy per neutron for neutrons leaving a dense, laser compressed plasma was calculated. A discrete ordinates multigroup neutron transport code (ANISN) was used to calculate the energies and fluxes of the neutrons from the D(T, ⁴He)n reaction. A variety of constand density, core-burning compressed plasmas were considered. The mean neutron engergy was found to be a function of the product pR and a function of r/R, where R is the compressed plasma radius. A detailed thermonuckear burn in a microsphere was calculated at various time intervals by ANISN. The pR product for the sphere was 4.4 g /cm². The neutron density weighted mean energy per neutron was found to be 9.8 MeV.
    • SACRAMENTO RIVER PARK MASTER PLAN

      CAMACHO-SERNA, MIGUEL (The University of Arizona., 2002)
    • Sacred Sites and the Perpetuation of Religious Beliefs: Indigenous Understandings and Western Perspectives within Legal Frameworks

      Avila, Rosemary Michelle (The University of Arizona., 2011)
      The way in which land is understood and perceived among American Indians and non-Indians is the cause for vast cultural misunderstandings and divisions between the two groups. For American Indian communities, attachments to place are at the core of religious practices, therefore intrinsically linking the importance of one to the other. This thesis attempts to better understand the way in which American Indians maintain connections to sacred sites, the challenges of access to those sites, and how their conceptualizations differ from Western models of value. This thesis examines the ability of federal policies, cases, legislative processes, and legal frameworks to protect American Indian sacred sites when the cultural context in which this protection is afforded has undeniable discrepancies to American Indian beliefs.
    • THE SAFE SHELTER: FACTORS INFLUENCING DISPOSITION (BATTERED WOMEN)

      Winters, Elizabeth Hamlink, 1952- (The University of Arizona., 1986)
    • The Safety and Efficacy of Pleurotus ostreatus (Oyster Mushroom) Cultivation on Prosopis spp. Products

      Jackson, Lauren Wayne III (The University of Arizona., 2015)
      Improving food safety and food security is imperative to adequately feed a growing population that is expected to exceed 9 billion people by 2050. Mushroom cultivation provides unique opportunities to take advantage of underutilized resources and produce high-quality food from otherwise inedible or unsafe food sources. Pleurotus ostreatus is a ligninolytic and biotechnologically relevant fungus that can be cultivated on a diverse array of lignocellulosic byproducts. Prosopis spp. are abundant in the Sonoran Desert and broadly distributed in semi-arid to arid regions around the globe. Prosopis spp. legumes (pods), and approximately 25% of all commonly cultivated crops, are susceptible to aflatoxin contamination, a highly carcinogenic and potentially lethal mycotoxin. This work aimed to (1) identify novel lignocellulosic byproducts from the Sonoran Desert for use as substrate materials in Pleurotus ostreatus (oyster mushroom) cultivation; (2) evaluate the safety of mushrooms cultivated on plant products that are contaminated with aflatoxin; and (3) measure the amount of aflatoxin that is degraded by P. ostreatus after the contaminated products have been colonized by the fungus. Prosopis spp. pods were identified as suitable substrate component for P. ostreatus production by conducting yield evaluations and finding that the biological efficiency increased with increasing percentages of pods. No detectable quantity of aflatoxin could be measured in mushrooms that were cultivated on maize that was naturally contaminated with aflatoxin B1 at concentrations up to 2500 ng g⁻¹. P. ostreatus degraded AFB₁ by >85% in maize with initial concentrations of 2500 ng g⁻¹ AFB₁ in repeated experiments. Thus, the cultivation of P. ostreatus on aflatoxin-contaminated products may be a viable method to produce a safe and high quality food from an otherwise unsafe food source, and may double as a means to reduce the aflatoxin concentration in contaminated plant products to levels that are acceptable for use as livestock feed.