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内容简介84Organic agriculture: a global perspectiveThe purpose of tillage always needs to be to achieve an economic balance between the short-term need for seasonal crop productivity and the long-te...
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内容简介Science fiction - one of the most popular literary, cinematic and televisual genres - has received increasing academic attention in recent years. For many theorists science fiction opens up ...
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内容简介Long before astronomy was a science, humans used the stars to mark time, navigate, organize planting, and dramatize myths. In fact, some lunar calendars may date back over 30,000 years. From...
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Massimo Giovannini, "A Primer On The Physics Of The Cosmic Microwave Background"
9812791426
2011-04-19 00:00:00
内容简介Early Initial Conditions?313Using these observations, the pump lds of the scalar and tensor modes of the geometry can be expressed solely in terms of the slow-roll parameters. In particular,...
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内容简介5Geography, post-communism, and comparative politicsJeffrey KopsteinThe waves of democratization and de-democratization that swept over the Eurasian landmass in the 35 years after 1974 spawn...
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Cleomedes, Robert B. Todd (Translator), Alan C. Bowen (Translator)
9780520233256
2011-04-13 00:00:00
内容简介At some time around 200 A.D., the Stoic philosopher and teacher Cleomedes delivered a set of lectures on elementary astronomy as part of a complete introduction to Stoicism for his students....
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内容简介Notes to Pages 59�319226.27.28. 29. 30. 31. 32.writer: see Two Maids of More-clack (that is, Mortlake, where Dee lived) and A Nest of Ninnies. Armin is thought to have played the role of Sir...
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Asteroids, Comets, and Meteorites: Cosmic Invaders of the Earth
816048738
2011-03-18 00:00:00
内容简介Asteroids, Comets, and Meteoritesate-period and long-period comets appear to originate from the Oort cloud, whereas the Jupiter-family comets appear to come from the Kuiper belt. The comets ...
