737 resultados para Contemporary photography


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Hindi

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Previous research has shown that site-specific nitrogen (N) fertilizer recommendations based on an assessment of a soil’s N supply (mineral N testing) and the crop’s N status (sap nitrate analysis) can help to decrease excessive N inputs for winter wheat on the North China Plain. However, the costs to derive such recommendations based on multiple sampling of a single field hamper the use of this approach at the on-farm level. In this study low-altitude aerial true-color photographs were used to examine the relationship between image-derived reflectance values and soil–plant data in an on-station experiment. Treatments comprised a conventional N treatment (typical farmers’ practice), an optimum N treatment (N application based on soil–plant testing) and six treatments without N (one to six cropping seasons without any N fertilizer input). Normalized intensities of the red, green and blue color bands on the photographs were highly correlated with total N concentrations, SPAD readings and stem sap nitrate of winter wheat. The results indicate the potential of aerial photography to determine in combination with on site soil–plant testing the optimum N fertilizer rate for larger fields and to thereby decrease the costs for N need assessments.

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We enhance photographs shot in dark environments by combining a picture taken with the available light and one taken with the flash. We preserve the ambiance of the original lighting and insert the sharpness from the flash image. We use the bilateral filter to decompose the images into detail and large scale. We reconstruct the image using the large scale of the available lighting and the detail of the flash. We detect and correct flash shadows. This combines the advantages of available illumination and flash photography.

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This file describes the resouces to be made available through the Open Educational Resources 'C-change in GEES' project exploring the open licensing of climate change and sustainability resources in the Geography, Earth and Environmental Sciences.

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The module takes as its starting point the assumption that as future artists, designers and professionals in the creative industries you will be future producers of visual culture. You will be introduced to some of the core theoretical issues that underpin the production of visual culture including questions of what an image is, how it works, its relationship to ideology and theories of representation. Please contact Gordon Hon if you have any questions before selecting the module. G.Hon@soton.ac.uk

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Social Movements are decentralising in the modern world. Web 2.0 has driven latency structures in social movements, and made activism more personal than ever before, but it has also introduced the concept of slacktivism. Micro-Macro relationships are becoming important theoretical frameworks for Social Movement research on the Web - has the Global Justice Movement of 1999 become Global Justice Networks in 2013?

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La presente obra bilingüe (castellano e inglés) a través de sus dos textos pretende servir como punto de partida para el desarrollo de un debate sobre la fotografía y sus relaciones con la historia. El objetivo del libro es establecer puntos de reflexión sobre metodología de la historia frente a las dimensiones culturales, estéticas y tecnológicas del fenómeno fotográfico. Se divide el libro en dos capítulos: 1. De la 'Fotohistoria' a la Historia con la fotografía. 2. Imágenes contaminadas. (La fotografía en la Historia del arte).

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Se lleva a cabo una interpretación contemporánea de textos y tragedias griegas antiguas, a través del teatro y mediante las visiones de dos autores.

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Ayuda a preparar educación física (PE) para AQA y cubre los contenidos teóricos de tres aspectos distintos de PE para A2. Su contenido se centra en: la psicología aplicada para optimizar el rendimiento; aspectos psicológicos que optimizan el rendimiento; y evaluación de las influencias contemporáneas en el deporte. La última sección se dedica a preguntas similares a las que se pueden encontrar en el examen y las respuestas se acompañan de comentarios para orientar a los alumnos sobre sus puntos fuertes y débiles.

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One of the distinctive characteristics of the water supply system of Greater Amman, the capital of Jordan, is that it has been based on a regime of rationing since 1987, with households receiving water once a week for various durations. This reflects the fact that while Amman's recent growth has been phenomenal, Jordan is one of the ten most water-scarce nations on earth. Amman is highly polarised socio-economically, and by means of household surveys conducted in both high- and low-income divisions of the city, the aim has been to provide detailed empirical evidence concerning the storage and use if water, the strategies used by households to manage water and overall satisfactions with water supply issues, looking specifically at issues of social equity. The analysis demonstrates the social costs of water rationing and consequent household management to be high, as well as emphasising that issues of water quality are of central importance to all consumers.