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      • Estimation of evapotranspiration using different methods in Las Abras, Chimborazo, Ecuador

        Brito, Noboa Jessica Sungkyunkwan university 2020 국내석사

        RANK : 247358

        Evapotranspiration is one of the main issues within the hydrological cycle. At present, the analysis of water basins is very important to have adequate information for any type of study or project. In this investigation, the micro basin of the Guano river, part of Las Abras- area of Chimborazo, will be analyzed, with the main objective of estimating Evapotranspiration values using Penman Monteinth and Thornthwaite for the years 1990-1998. Will be analyzed 6 Meteorological stations located in the analysis area. For the calculation of the reference Evapotranspiration, the Cropwat 8.0 tool delivered by the Food and Agriculture Organization of the United Nations will be used, while for the Potential Evapotranspiration the calculation tool will be used with the Tornthwaite method delivered United States Geological Survey (USGS), with the name of Water-Balance Model Driven by a Graphical User Interface. In the end, with the results obtained, the study aims to identify results for each year of analysis and provide a tool so that in the future it can be possible to further investigate certain issues in our countries. The comparison of the Evapotranspiration values calculated using various methods gives us the opportunity to analyze the existing gaps and differences between the processes used, so that the gaps are verified and the similarities between results are recognized. The applications facilitate the calculation, currently the use of programs that save us time and give us real results. That is why in this document several programs are used for the analysis of results.

      • Leaving Latinos out: The teaching of United States history in Texas

        Noboa, Julio The University of Texas at Austin 2003 해외박사(DDOD)

        RANK : 247343

        The primary purpose of this investigation was to explore the factors that influence content choices made by U.S. history teachers in Texas public schools. The ultimate objective was to gain understanding of how these factors affect the extent to which Latinos, in comparison with African Americans and American Indians, are integrated into the historical narrative taught in the classroom. Qualitative methods were primarily used including personal interviews and a focus group with U.S. history teachers in San Antonio. These were combined with other methods including participant observation and content analyses of textbooks, curriculum standards, and course content surveys related to the teaching of U.S. history. Relevant findings from component studies were integrated to provide a more holistic documentation of the representation of Latinos in the teaching of U.S. history in Texas. The areas of investigation included: (a) perspectives and practices of teachers, (b) current and recently adopted textbooks, (c) textbook adoption testimony, and (d) the curriculum standards, Texas Essential Knowledge and Skills (TEKS). These various studies functioned as constituent components which were integrated into the overall design of the larger investigation and the analysis of its data. Though each component study had a purpose specific to its particular focus, each contributed towards constructing a larger mosaic of interrelated parts which taken together achieved the ultimate objectives of this overall investigation. What makes this effort unique is the intent to conduct a comprehensive review of the standards, textbooks, and classroom practices used in the teaching of U.S. history in order to determine the status of Latino representation. Its significance is underscored by the growing size and historical importance of the Latino population in Texas and the nation, and by the influential role Texas has played at the national level in the selection of history textbooks and in the establishment of social studies curriculum standards. All the findings from this investigation consistently revealed that Latinos are indeed underrepresented in the teaching of U.S. history in Texas. Policy recommendations to remedy this problem are suggested and addressed to key educational actors including classroom teachers and the Texas Education Agency.

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