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As members of the Final Examination Committee, we certify that we have read the dissertation prepared by Final approval and acceptance of this dissertation is contingent upon the candidate's submission of the final copy of the dissertation to the Graduate College. I hereby certify that I have read the dissertation as prepared under my direction and(More)
Since temperature affects the inactivation rate of viruses in natural water systems, the aim of this study was to determine if a temperature shift could influence the structural integrity of model viruses. When crude lysates of MS-2 phage were seeded into groundwater microcosms and incubated at 27 degrees C, complete virus inactivation took place in eight(More)
Natural, spontaneous speech (and even quite careful speech) often shows extreme reduction in many speech segments, even resulting in apparent deletion of consonants. Where the flap ([inverted J]) allophone of /t/ and /d/ is expected in American English, one frequently sees an approximant-like or even vocalic pattern, rather than a clear flap. Still, the /t/(More)
This dissertation has been submitted in partial fulfillment of requirements for an advanced degree at The University of Arizona and is deposited in the University Library to be made available to borrowers under rules of the Library. Brief quotations from this dissertation are allowable without special permission, provided that accurate acknowledgment of(More)
Linguistics is traditionally a university subject. We describe here comprehensive efforts that the University of Arizona's Linguistics Department makes to engage with additional audiences: K–12 and community college students, lifelong learners, and festival-goers. Our coordination of these efforts is relatively recent, and this article emphasizes what we(More)
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