Key nigel (3 Ergebnisse)

Zustand: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. Clean from markings. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,1050grams, ISBN:9781405184601.

Zustand: New. KlappentextMethane digesters-biogas recovery systems that use methane from manure to generate electricity-have not been widely adopted in the United States because costs have exceeded benefits to operators. Burning methane in a digester .

Zustand: New. KlappentextHog production in 2004 was characterized by wide variation in the types, sizes, and economic performance of operations. Operations specializing in a single production phase generated more than three times the product value, on.