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• Describe appropriate methods for evaluating the risk of lightning damage to wind turbines
Rain and wind resistance
for the evaluation in aqueous medium of the ultimate biodegradability of organic compounds and wastewaters at a given concentration by aerobic microorganisms
With obedience and compliance to BS 684-2
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Acceptance code for gear units - Test code for airborne sound Ingestion-build-239834 • Describe appropriate methods for1 Scope This part of ISO 8579 specifies the instructions and standardized conditions necessary for the determination of the airborne sound emission of gear units and gearmotors. It also specifies the allowed measurement methods, together with the operating and mounting conditions used for the test. The emission characteristics include emission sound pressure levels at specified positions and the sound power level. The determination of these quantities
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