197,251 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

    "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

    Effects of shoreline alteration and habitat heterogeneity on macroinvertebrate community composition across European lakes

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    Human lake shore alterations often result in a substantial decrease of littoral and riparian habitat diversity and physical complexity, but the intensity at which shore alterations affect biodiversity may differ among European geographical regions. We tested if the response of littoral macroinvertebrate communities to human shoreline alterations is consistent among geographical regions. We compared community composition and diversity of human altered with those of unmodified littoral zones from 51 lakes across seven European countries in four geographical regions based on pooled composite as well as habitat-specific macroinvertebrate samples. Taxon richness and community composition differed among shore types and different habitats in all geographic regions, with morphological alteration having an overall negative effect on macroinvertebrate taxon richness. In addition, habitat heterogeneity also had a strong effect on littoral communities, with highest taxon richness found in the structurally complex macrophyte habitats in all regions. Average proportional densities of Diptera and Oligochaeta taxa generally increased in morphologically altered shores in all geographical regions, while Bivalvia, Crustacea, Ephemeroptera, Gastropoda and Trichoptera showed comparatively lower numbers in many anthropogenically altered sites. Furthermore, taxon richness was positively correlated with habitat diversity. We were able to relate changes in littoral communities to anthropogenic shoreline alterations, and linked the effect to the loss of habitats and habitat complexity. The results of our study demonstrate that littoral macroinvertebrates respond consistently negative to the influence of morphological alterations across European geographical regions in terms of biodiversity. While macroinvertebrates have previously been identified to be useful descriptors of morphological change in single countries/regions, we can now validate that they can be used to assess the ecological status of lakes in terms of morphological alterations across European regions. Our results can be used to further improve ealready existing WFD-compliant multimetric indices, for example by including taxa groups, which show a strong reaction to shoreline alterations. This could be supported by the inclusion of a suit of indicator taxa reflecting the loss of complex habitats such as macrophytes in the lake littoral

    Cryo-electron tomography of individual protein molecules

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    Averaging methods of determining structure, such as X-ray diffraction, do not preserve information about the flexibility of molecules. Cryo-electron tomography allows us to reconstruct individual hydrated objects. The method is limited to low-resolution, but it can be used to study dynamic structures, such as very large macromolecular complexes, and to perform in situ analysis of cellular organelles.This thesis explores the expansion of the cryo-electron tomography method to individual protein molecules. Tomographic structures of four proteins, ranging in size from 90 to 150 kDa, are presented in the current thesis.We have analysed the structure and flexibility of the antibody immunoglobulin G (IgG). The tomograms reveal y-shaped IgG molecules with three protruding subunits. We show that the tomographic structures are consistent with X-ray crystallographic structures of IgG and that the three 50 kDa subunits were resolved with accuracy. Each subunit has a similar structure in the tomograms and in the Xray map. Notably, the positions of the subunits differed greatly from one molecule to another. The large flexibility of IgG in solution is most likely of functional significance in antigen recognition. We have investigated a larger number of individual IgG molecules, measured equilibrium distribution of the molecule in terms of the relevant angular coordinates and built a model of the dynamics of IgG in solution.The hepatocyte growth factor/scatter factor (HGF/SF) controls the growth, morphogenesis or migration of epithelial, endothelial and muscle progenitor cells. We have defined the main conformations of inactive single-chain HGF/SF and active two-chain HGF/SF. Furthermore we present structures of the receptor tyrosine kinase MET and of MET bound to two-chain HGF/SF. These structures reveal the mechanism of HGF/SF activation and clarify the mode of binding to MET.Nuclear receptors play important roles in development and tissue homeostasis, and have been implicated in many disease states. We present the structure of the full-length Glucocorticoid Receptor (GR) protein, activated by a synthetic hormone agonist. Three asymmetric domains are clearly defined in the structure of the GR monomer, and two low-density regions, interpreted as hinge regions, connect the domains. The three domains were further characterized by multi-resolution docking procedures and by visualizing GR in complex with a monoclonal antibody.These studies show that cryo-electron tomography can be used to visualize individual proteins molecules with a molecular weight below 200 kDa. Thus, the method can be applied to flexible multi-domain proteins that have not been amenable to high-resolution methods of determining structure.List of scientific papersI. Sandin S, Ofverstedt LG, Wikstrom AC, Wrange O, Skoglund U (2004). Structure and flexibility of individual immunoglobulin G molecules in solution. Structure. 12(3): 409-15. https://pubmed.ncbi.nlm.nih.gov/15016357II. Bongini L, Fanelli D, Piazza F, De Los Rios P, Sandin S, Skoglund U (2004). Freezing immunoglobulins to see them move. Proc Natl Acad Sci U S A. 101(17): 6466-71. https://pubmed.ncbi.nlm.nih.gov/15082830III. Gherardi E, Sandin S, Pethoukov M, Finch J, Ofverstedt LG, Nunez R, Blundell T, Vande Woude G, Skoglund U, Svergun D (2005). Structural basis of hepatocyte growth factor/scatter factor activation, receptor binding and dimerisation. [Submitted]IV. Sandin S, Ofverstedt LG, Wikstrom AC, Wrange O, Skoglund U (2005). Tomographic structures of the full-length glucocorticoid receptor. [Manuscript]</p

    Application of formwork systems for lot 1881 & 1882 at Mont Kiara / Benedict Sandin Joseph Garan

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    This report briefly described the application of the formwork for slab and column, machinery and tools used produced after four month experience in construction site. The objective of this report is to identify the formwork system and materials used in site. The finding from this report is the application of formwork for slab is start from installation of the table form as workplace and formwork of slab, application of mould oil, installation of reinforcement bar and M&E services component on the slab formwork, inspection of the formwork and finally casting process. For the application of formwork for column is start from installation of rebar and setting out, inspection of the rebar, application of mould oil on internal surface of formwork, installation of formwork, inspection of vertically for formwork, and finally casting and dismantling of formwork. The machinery and tools used for application of formwork is tower crane, poker vibrator, Doka trolley, Dokamatic tables and theodolite. Hope that this report can give a lot of advantages to readers on application of formwork for high rise building

    Mediterranean diet and sustainable food habits: The case of Neapolitan children

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    The Mediterranean diet (MD hereafter) is widely recognized as one of the healthiest dietary patterns, able to benefit biodiversity and food system sustainability. The study was aimed at gathering information on real children's dietary habits in Southern Italy in order: (1) to assess the current adherence to MD, which is considered as a proxy for food consumption sustainability; and (2) to give suggestions on the role of school nutrition education programs in fostering more sustainable food habits. The adherence of Neapolitan children to the MD was assessed using an ad hoc Mediterranean Diet Quality Index. Results from the Neapolitan case study demonstrate that eating habits in the area follow unhealthy and unsustainable food models, which are quite far from the traditional Mediterranean diet. The main conclusion of the paper is that a major effort should be made by the Ministry of Education, school managers and educators, in the field of food education intervention

    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
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