Titlebook: Dynamical Symmetries for Nanostructures; Implicit Symmetries Konstantin Kikoin,Mikhail Kiselev,Yshai Avishai Book 2012 Springer-Verlag / W

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Bruno Bertotti,Paolo Farinellaation of cropland has greatly increased food production, but has also had some drawbacks due to the amount of water drawn from aquifers. Some of the major problems related with irrigation are excessive leaching of nutrients and pesticides, depletion of aquifers, ground subsidence, and soil salinization.

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衰弱的心

https://doi.org/10.1057/9781137474056ughout the same time, however, the notion of community has also been embraced by the disadvantaged as a site for mobilising collective engagement in social activism and conflict. For disadvantaged groups, community has served as a symbol of human agency around which collective struggles of resistanc

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