Nanomaterials describe, in principle, materials of which a single unit is sized (in at least one dimension) between 1 to 1000 nanometres (10−9 meter) but usually is 1 to 100 nm (the usual definition of nanoscale).
An EU team examined Europe's drought history to predict the future hazard. Results included a major impact database, pan-European vulnerability and riks maps, as well as options for drought management for different geo-climatic settings.
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