автор: Nathaniel J. Clements

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2 Электронные книги Nathaniel J. Clements

Nathaniel J Clements & Edison G. Hahn: Commercial Spaceflight
Historically, the commercial space launch industry focused primarily on putting payloads, such as satellites, into orbit, using launch vehicles that did not return to earth. Such launches have droppe …
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€270.82
Sheila E Corby: Manure Management
In 2003, EPA introduced revised Clean Water Act regulations to better protect surface waters from nutrients from concentrated animal feeding operations (CAFOs). When applying manure to crop or pastur …
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€232.55