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Mercury cadmium telluride (MCT) is the third most well-regarded semiconductor after silicon and gallium arsenide and is the material of choice for use in infrared sensing and imaging. The reason for this is that MCT can be 'tuned' to the desired IR wavelength by varying the cadmium concentration.Mer... अधिक

America's public universities educate 80% of our nation's college students. But in the wake of rising demands on state treasuries, changing demographics, growing income inequality, and legislative indifference, many of these institutions have fallen into decline. Tuition costs have skyrocketed, cl... अधिक

This state-of-the-art information on social groupwork with children and youth provides theoretical guidelines and suggestions for practice. Each authoritative chapter represents a blending of old and new practice models and syntheses of various knowledge perspectives and emphasizes the subtlety and... अधिक

Sam has made it most of the way through sixth grade, barely able to read and write, but now Sam's family have moved again and he is faced with the prospect of attending a new school. How long will he be able to keep his problem secret?... अधिक

Not only were more African slaves transported to South America than to North, but overlapping imperialisms and shared resistance to them have linked Africa, Latin America, and the Caribbean for over five centuries. Yet despite the rise in transatlantic, oceanic, hemispheric, and regional studies, an... अधिक