196,755 research outputs found

    Dr. Duane M. Jackson, Morehouse College, July 2011

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    This video is a conversation with Dr. Duane M. Jackson. Dr. Jackson talks about his paper, "Recall and the Serial Position Effect: The Role of Primacy and Recency on Accounting Students' Performance." Jackie Daniel, AUC Woodruff Library, is the interviewer

    Dynamics of Noctiluca scintillans (Macartney) Kofoid & Swezy and its Contribution to Mesozooplankton in the Southeastern Black Sea

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    SENTURK, YASEMEN/0000-0001-8292-399XDuring the last half century, significant changes have been observed in the zooplankton communities in the Black Sea. While some species have almost disappeared, someother species have increased in number. Noctiluca scintillans is a red-tide forming heterotrophic dinoflagellate, which is widely distributed in the world's oceans. Due to its large cell size (>200 mu m) and phagotrophic feeding behavior, Noctiluca scintillans is assessed within mesozooplankton communities. After the 1970s, Noctiluca scintillans became dominant in the mesozooplankton community in the Black Sea. Between May 2015 and April 2016, the population characteristics of Noctiluca scintillans and its contribution to mesozooplankton communities were investigated in surface waters in the southeastern Black Sea. the abundance of Noctiluca scintillans in surface waters ranged between 0-23357 cells/m(-3) with the lowest number found in the summer and the highest number found from February to May. Abundance tended to increase from the river mouth toward open waters. During the study, the cell diameter and volume of Noctiluca scintillans varied between 352-629 mu m and 2.28 x 10(7)-1.3x10(8) mu m(3), respectively. the total mesozooplankton abundance ranged between 10-24020 individuals/m(-3). There are no statistically significant differences in Noctiluca scintillans and mesozooplankton abundance between sampling stations (p>0.05). the contribution of Noctiluca scintillans to the mesozooplankton population was the lowest during summer, but from February to May, Noctiluca scintillans comprised 79%+/- 4% and 98%+/- 2% of the total mesozooplankton population in the river mouth and coastal waters, respectively. These results confirm that Noctiluca scintillans is still an important contributor of the mesozoplankton community in the southeastern Black Sea

    "Reflections on the subject of Emigration from Europe with a view to Settlement in the United States" By M. Carey.

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    "Reflections on the subject of Emigration from Europe with a view to Settlement in the United States: containing bried sketches of the moral and political character of those states. By M. Carey, member of the American philosophical, and of the American Antiquarian Society, and author of The Olive Branch, Cindiciae Hibernicae, essays on banking, on political economy, and on internal improvement. To which are now added the English editor's comments on the subject; together with Important Advice to Emigrants, and Cautions Against Impositions Practiced in the Outports

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Dr. Glendon Swarthout

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    Hosted by Roger M. Busfield, MSU Assistant Professor of Speech and Theater, Meet the Author is designed to introduce a general audience to a contemporary author and their work through in-depth interviews. This episode features a conversation between Dr. Glendon Swarthout, prolific author and English professor at MSU, and assistant professors Sam S. Baskett and Theodore B. Strandness

    Simulation of thermal plant optimization and hydraulic aspects of thermal distribution loops for large campuses

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    Following an introduction, the author describes Texas A&M University and its utilities system. After that, the author presents how to construct simulation models for chilled water and heating hot water distribution systems. The simulation model was used in a $2.3 million Ross Street chilled water pipe replacement project at Texas A&M University. A second project conducted at the University of Texas at San Antonio was used as an example to demonstrate how to identify and design an optimal distribution system by using a simulation model. The author found that the minor losses of these closed loop thermal distribution systems are significantly higher than potable water distribution systems. In the second part of the report, the author presents the latest development of software called the Plant Optimization Program, which can simulate cogeneration plant operation, estimate its operation cost and provide optimized operation suggestions. The author also developed detailed simulation models for a gas turbine and heat recovery steam generator and identified significant potential savings. Finally, the author also used a steam turbine as an example to present a multi-regression method on constructing simulation models by using basic statistics and optimization algorithms. This report presents a survey of the author??s working experience at the Energy Systems Laboratory (ESL) at Texas A&M University during the period of January 2002 through March 2004. The purpose of the above work was to allow the author to become familiar with the practice of engineering. The result is that the author knows how to complete a project from start to finish and understands how both technical and nontechnical aspects of a project need to be considered in order to ensure a quality deliverable and bring a project to successful completion. This report concludes that the objectives of the internship were successfully accomplished and that the requirements for the degree of Degree of Engineering have been satisfied

    Intern experience at CH���M Hill, Inc.: an internship report

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    Includes author's vita"Submitted to the College of Engineering of Texas A&M University in partial fulfillment of the requirement for the degree of Doctor of Engineering."Includes bibliographical referencesA review of the author's internship experience with CH���M HILL, Inc. during the period September 1975 through May 1976 is presented. During this nine month internship the author worked as an Engineer II in the Industrial Processes discipline of this large consulting engineering firm... The author's prime responsibility was as one of three lead design engineers on the design of a large wastewater treatment facility for a pulp mill in Hoquiam, Washington owned by ITT Rayonier Inc. The work generally consisted of the design of individual treatment units and associated piping and pumping. The purpose of the project was to provide wastewater treatment capabilities that would satisfy the effluent limitations (standards) imposed upon the mill by the State of Washington Department of Ecology and the U.S. Environmental Protection Agency. The author's assignment also entailed necessary interaction with the project manager and other CH���M HILL design engineers and support staff members, the client's representatives, and representatives of two other consulting engineering firms working on the project. Thus, the internship position at CH���M HILL provided considerable experience coordinating the author's work with the work of other engineers, guiding the design and administrative efforts of a support staff, and interacting regularly with the client and other consulting firms. This broad exposure to a variety of engineering and organizational problems provided a valuable educational experience

    First Visna case in a lamb in Turkey

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    Visna is a neurological disease due to the Maedi Visna Virus (MVV) infection in sheep. The MVV infection is characterized by a long incubation period and sheep from 2 to 4 years of age are the most frequently affected. MVV usually causes a worldwide diffused respiratory disease called Maedi, consisting in lymphoproliferative pneumonia. The nervous form, called Visna, is unusual and no cases have been so far reported in Turkey. This work describes a severe Visna case in a lamb from a Turkish flock. A 10 months old male Merino lamb from a Turkish flock of 850 sheep suddenly showed nervous signs. A history of other four similar cases was recorded in the farm. The lamb died within 2 days after the first clinical signs and was submitted to the necropsy. Lung congestion and pneumonia were observed. In the CNS, the meninges appeared congested but some parts were discolored especially in the cerebellum region. In the left brain hemisphere, a Coenurus cerebralis cyst was found. Microscopically, severe non-purulent meningoencephalitis and lymphoproliferative pneumonia were observed. In order to detect MVV by PCR, the DNA was extracted from formalin fixed and paraffin embedded slides from the lung and the CNS. After the integrity of the extracted DNA was verified by PCR for the ovine mitochondrial DNA, a PCR for the LTR gene of MVV was carried out. MVV provirus was demonstrated in all the pulmonary and nervous samples collected. This is the first case of Visna reported in Turkey. Visna usually affects adult sheep and, in this case, it was surprising to find such severe neurological lesions in a young animal. These observations could depend on infection by a particularly virulent and neurotropic MVV strain or on the concurrent infection observed in the CNS
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