8,329 research outputs found

    Ab Initio Calculations on the H_(2)+D_(2)=2HD Four‐Center Exchange Reaction. I. Elements of the Reaction Surface

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    We present the results of ab initio calculations on some interesting regions of the reaction surface for the four‐center exchange reaction H_(2)+D_(2)=2HD. These calculations, which use a minimum basis set of Slater orbitals, indicate that for all geometries appropriate to the transition state of the reaction, a barrier height of at least 148 kcal/mole is present. This is far greater than the energy required to produce free radicals and more than three times the experimental energy of activation, 42 kcal/mole. Considering the sources and magnitudes for errors due to correlation and basis set restrictions, we estimate the barrier height for this exchange reaction to be 132 ± 20 kcal/mole exclusive of zero‐point energies. In this paper we discuss the surface as determined by configuration interaction techniques. We find that the most favorable geometries for the exchange reactions are the square, rhombus, and kite configurations. However, all of these states are unstable with respect to H_(2) + 2H. In addition we find no evidence of collision complexes for any of the likely transition state geometries. In the following paper we will examine the G1 wavefunctions for this system in order to obtain an understanding of the factors responsible for the shape of the surface

    Price Relationships between Hard Red Spring and Hard Red Winter Wheats in the United States

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    Price differentials for Hard Red Spring and Hard Red Winter wheat of different protein levels are examined in this study.Demand and Price Analysis, Marketing,

    On Being Human: The Folklore of Mormon Missionaries

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    Not long ago I was asked to entertain some of my colleagues at a faculty gathering by telling stories about J . Golden Kimball, that crusty old Mormon divine who salted his sermons and public statements with a liberal sprinkling of cuss words and earthy metaphors. Because I know a fair number of these stories and enjoy telling them, I agreed. The event was a tolerable success. At least most people laughed, and no one threw brickbats. Still, as I drove home, I wondered if I had not done more harm than good. I had, I feared, simply strengthened the notion, held by many, that the study of folklore might provide interesting material for after-dinner speeches but certainly could not be expected to increase our understanding of the human condition. This evening I would like to rectify that impression. The night I told J. Golden Kimball stories I played the role of folklore performer. Tonight I will play the critic. My argument will be that the performance of folklore- whether it provides us with delight and amusement or causes us to fear and tremble- is one of our most fundamental human activities. The study of folklore, therefore, is not just a pleasant pastime useful primarily for whiling away idle moments. Rather, it is centrally and crucially important in our attempts to understand our own behavior and that of our fellow human beings

    The Marrow of Human Experience

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    Composed over several decades, the essays here are remarkably fresh and relevant. They offer instruction for the student just beginning the study of folklore as well as repeated value for the many established scholars who continue to wrestle with issues that Wilson has addressed. As his work has long offered insight on critical mattersn--nationalism, genre, belief, the relationship of folklore to other disciplines in the humanities and arts, the currency of legend, the significance of humor as a cultural expression, and so forth--so his recent writing, in its reflexive approach to narrative and storytelling, illuminates today\u27s paradigms. Its notable autobiographical dimension, long an element of Wilson\u27s work, employs family and local lore to draw conclusions of more universal significance. Another way to think of it is that newer folklorists are catching up with Wilson and what he has been about for some time. As a body, Wilson\u27s essays develop related topics and connected themes. This collection organizes them in three coherent parts. The first examines the importance of folklore. What it is and its value in various contexts. Part two, drawing especially on the experience of Finland, considers the role of folklore in national identity, including both how it helps define and sustain identity and the less savory ways it may be used for the sake of nationalistic ideology. Part three, based in large part on Wilson\u27s extensive work in Mormon folklore, which is the most important in that area since that of Austin and Alta Fife, looks at religious cultural expressions and outsider perceptions of them and, again, at how identity is shaped, by religious belief, experience, and participation; by the stories about them; and by the many other expressive parts of life encountered daily in a culture. Each essay is introduced by a well-known folklorist who discusses the influence of Wilson\u27s scholarship. These include Richard Bauman, Margaret Brady, Simon Bronner, Elliott Oring, Henry Glassie, David Hufford, Michael Owen Jones, and Beverly Stoeltje. In these essays William Wilson illuminates folklore theory and practice, romantic nationalism, religious folklore, personal narrative, and much else. Each essay is introduced by a notable fellow folklorist, among them Richard Bauman, Margaret K. Brady, Simon J. Bronner, Henry Glassie, David J. Hufford, Michael Owen Jones, Elliott Oring, Steve Siporin, David Stanley, Beverly Stoeltje, and Jacqueline S. Thursby.https://digitalcommons.usu.edu/usupress_pubs/1076/thumbnail.jp

    What\u27s True in Mormon Folklore? The Contribution of Folklore to Mormon Studies

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    PROCUREMENT STRATEGIES TO MEET FUNCTIONAL REQUIREMENTS IN WHEAT SHIPMENTS

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    Consistency of functional characteristics in wheat is a concern confronting buyers and sellers. This research analyzes the cost and risk of different procurement strategies for importers. A stochastic simulation model is used to determine the probability of a functional characteristic being satisfied subject to quality targets. Joint probabilities of meeting specifications and costs were determined for alternative functional characteristics. Results indicate that, as more specific characteristics are incorporated into a contract, the probabilities of meeting end-use requirements increase. Specific characteristics come with a higher cost, due to increased testing costs related to identity preservation. The results are summarized as cost/risk tradeoffs confronting buyers in wheat procurement.buying strategies, location, variety, functional characteristic tests, costs, risks, Crop Production/Industries, International Relations/Trade,

    Importer Loyalty in International Wheat Markets

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    International Relations/Trade,
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