937 resultados para (nh4no3)-n-14-n-15


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This report presents the results of the 2007 baseflow condition surveys of the four major streams flowing through Santa Lucia Preserve- Las Garzas, Portrero, San Jose, and San Clemente Creeks. This report has been prepared for the Santa Lucia Conservancy and is primarily intended for the staff of Monterey County and California Department of Fish and Game, in accordance with the baseflow monitoring and reporting requirements outlined in County Conditions 14 and 15. The scope of this report is limited to the presentation and evaluation of existing baseflow conditions as required by Conditions 14 and 15, and is not intended as a comprehensive analysis. However, data presented here are an important part of the long term data set that will be used for future in depth watershed analyses. (Document contains 13 pages & 14 figs)

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Ancien possesseur : Argenson, Antoine-René de Voyer (1722-1787 ; marquis de Paulmy d')

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Survey map of the Second Welland Canal created by the Welland Canal Company showing the Grantham Township along the outskirts of Merritton. Identified structures associated with the Canal include Locks 11, 12, 13, 14, and 15, Lock House Lot, and the towing path. The surveyors' measurements and notes can be seen in red and black ink and pencil. Several stones likely used in the measurements are identified on the map. Local area landmarks are also identified and include streets and roads(ex. Hartzel Road and Macadamized Road), the Great Western Railroad, Swing Bridge, Thorold Station and its structures (ex. freight house, office, water tank, and wood house), Gordon and Mackay Houses, Gordon and Mackay's Cotton Mill, hydraulic race, a wharf, pond, and an unnamed bridge. Properties and property owners of note are: Concession 9 Lots 12 and 13, A. Bradley, John O'Coner, G. Grant, J. Bradley, J. Vanderburgh, O. Clifford and a parcel of land leased Gordon and Mackay.

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A través de tres imágenes concretas de la vida cotidiana, se exponen diferentes casos relacionados con las matemáticas y la ciencia. En la primera a partir de la imagen de un banco de cualquier parque se estudia la predilección por el punto medio de un segmento. A continuación se analizan conceptos como la proximidad o la distancia entre puntos, mediante una imagen donde 16 guijarros están esparcidos por el suelo de forma aleatoria. Finalmente, se estudia la analogía entre las extremidades humanas y un limpiaparabrisas para entender mejor el movimiento y la coordinación del brazo a través de cálculos matemáticos.

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Se parte de que el siglo XXI viene marcado por los cambios pol??ticos, sociales y econ??micos que repercuten en la educaci??n. Se analiza esta situaci??n y se aborda un modelo de escuela que se ajuste a la realidad de estos cambios. Se estructura en 5 apartados: 1.G??nero y educaci??n; 2. Multiculturalidad y educaci??n; 3.Estructura social. Desigualdad educativa y social; 4.Sociolog??a de la educaci??n (contenidos y docencia); 5. Educaci??n y trabajo.

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The canine corpus luteum (CL) typically sustains elevated plasma progesterone concentrations for 2 months or more, with a peak approximately 15-25 days after ovulation, followed by a slow decline. The processes involved in the slow, protracted regression of the CL over the remaining 1.5-2-month period in nonpregnant bitches and until shortly prepartum in pregnant bitches are not well characterized. The rapid luteolysis that occurs immediately prepartum appears to be a result of a prepartum rise in peripheral PGF. The potential role of PGF in the slow regression process in the several weeks preceding parturition and in nonpregnant bitches after 15-25 days after ovulation is not known. Therefore, plasma concentrations of 13,14-dihydro-15-keto-prostaglandin F-2-alpha (PGFM), progesterone (P-4) and estradiol (E-2) Were determined and compared in bitches during nonpregnant diestrus (n = 9) or pregnancy (n = 8). During the gradual decrease in plasma concentrations of progesterone in both groups, the P-4 pattern appeared unrelated to changes in either E-2 or PGFM concentrations. The PGFM pattern was different between diestrus and pregnant bitches (P > 0.01); there was an apparent progressive but slow increase in PGFM in pregnant bitches from Days 30 to 60, followed by a large increase prior to parturition; concentrations declined immediately postpartum. However, there were no increases in PGFM during the same interval in nonpregnant bitches. Mean estradiol concentrations were sporadically elevated during the last third of pregnancy and less so in nonpregnant diestrus; there was no acute prepartum increase in estradiol associated with the PGFM increase. In summary, although there were no apparent changes in peripheral PGF(2)alpha concentration involved in regulating the slow protracted phase of luteal regression in nonpregnant bitches, modest increases in PGFM may play a role in ovarian function after mid-gestation in pregnant bitches. Furthermore, the acute prepartum rise in PGFM was not dependent on any concomitant increase in estradiol concentrations. (c) 2006 Elsevier B.V. All rights reserved.