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This book discusses the ultrasonic synthesis, characterization and application of various nanoparticles, as well as the ultrasonic synthesis of metal and inorganic nanoparticles such as noble metals, transition metals, semiconductors, nanocomposites, alloys and catalysts.

The green revolution is not completely green in the sense that the new technology in agriculture has benefited the farmers with larger holdings while those with smaller holdings lagged behind in the distribution of gains of green revolution. The high growth rate of agricultural production in the green revolution regions does not seem to have brought about much improvement in the levels of living of the marginal and small farmers. It is evident that the benefits of Green Revolution have not been reaped equally by all the farmers, the marginal and small farmers left to their plight of having...