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Short Notes on Noise Control | Noise Pollution

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For the solution of noise problems, it is very convenient to view the system in terms of a source, a path and a receiver, as shown in Fig. 3 in the form of a block diagram. The source is the point (or points) in space where the noise apparently originates. The path is the line […]

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    Natural Resources: Meaning and Classification of Natural Resources

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    Natural Resources: Meaning and Classification of Natural Resources! Meaning: The sum total of all the physical, chemical, biological and social factors surrounding a man may be termed as environment. Each element in the surroundings forms re­sources on which the human beings depend, in order to develop economically and socially a better life system. (more…)

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