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The spray droplets were deposited over a rotating copper substrate to achieve a disc shape preform. The thickness uniformity of the preform was found to depend on the preform distance from the nozzle, preform offset distance from the axis of the atomizer and inclination of the preform from the horizontal plane. Mathematical equations were developed to represent the thickness variation of the preform with aforementioned parameters. The porosity, hardness, strength, wear and microstructural studies of the Al-Si-Pb spray deposited alloys were conducted for different lead content, top to bottom...

Indian agriculture is more than 10000 years old. History of Indian animal husbandry is older than the history of cropping. Indian literature is a rich repository of knowledge relating to all aspects of animal husbandry. In ancient India animal husbandry was flourishing like anything and was the basis of peoples livelihoods, socioeconomic status and happiness. Nowadays when animal husbandry is being visualized as the most realistic and safe method to reduce poverty of rural India, importance of the knowledge in this field can be readily realized. As a sub-sector of the agricultural economy,...