937 resultados para district cooling
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Report on a special investigation of the football program at Lincoln High School within the Des Moines Independent Community School District for the period May 30, 2003 through October 31, 2012
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Report on the Iowa Judicial Branch – County Clerks of District Courts, a part of the State of Iowa, for the year ended June 30, 2012
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To constrain the age of strike-slip shear, related granitic magmatism, and cooling along the Insubric line, 29 size fractions of monazite and xenotime were dated by the U-Pb method, and a series of 25 Rb-Sr and Ar-40/Ar-39 ages were measured on different size fractions of muscovite and biotite. The three pegmatitic intrusions analyzed truncate high-grade metamorphic mylonite gneisses of the Simplon shear zone, a major Alpine structure produced in association with dextral strike-slip movements along the southern edge of the European plate, after collision with its Adriatic indenter. Pegmatites and aplites were produced between 29 and 25 Ma in direct relation to right-lateral shear along the Insubric line, by melting of continental crust having Sr-87/Sr-86 between 0.7199 and 0.7244 at the time of melting. High-temperature dextral strike-slip shear was active at 29.2 +/- 0.2 (2 sigma) Ma, and it terminated before 26.4 +/- 0.1 Ma. During dike injection, temperatures in the country rocks of the Isorno-Orselina and Monte Rosa structural units did not exceed approximate to 500 degrees C, leading to fast initial cooling, followed by slower cooling to approximate to 350 degrees C within several million years. In one case, initial cooling to approximate to 500 degrees C was significantly delayed by about 4 m.y., with final cooling to approximate to 300 degrees C at 20-19 Ma in all units. For the period between 29 and 19 Ma, cooling of the three sample localities was non-uniform in space and time, with significant variations on the kilometre scale. These differences are most likely due to strongly varying heat flow, and/or heterogeneous distribution of unroofing rates within the continuously deforming Insubric line. If entirely ascribed to differences in unroofing, corresponding rates would vary between 0.5 and 2.5 mm/y, for a thermal gradient of 30 degrees/km.
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Combined report on the eight Judicial District Departments of Correctional Services for the year ended June 30, 2012
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Report on a review of the Sixth Judicial District Department of Correctional Services for the period July 1, 2008 through June 30, 2012
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Audit report on Clarke Community School District in Osceola, Iowa for the year ended June 30, 2013
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Audit report on Sheldon Community School District in Sheldon, Iowa for the year ended June 30, 2013
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Audit report on the Xenia Rural Water District for the year ended December 31, 2013
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Report on a special investigation of the Mahaska County Soil and Water Conservation District for the period March 24, 2006 through August 31, 2013
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Report on the Iowa Judicial Branch – County Clerks of District Courts, a part of the State of Iowa, for the year ended June 30, 2013
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Combined report on the eight Judicial District Departments of Correctional Services for the year ended June 30, 2013
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Audit report on Sheldon Community School District in Sheldon, Iowa for the year ended June 30, 2014
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Report on a special investigation of the Martensdale-St. Marys Community School District for the period July 1, 2009 through April 30, 2014
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Report on a special investigation of the Mid-Prairie Community School District for the period July 1, 2012 through June 30, 2014