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actinia is an open source rest api for scalable, distributed, high performance processing of geographical data that uses grass gis for computational tasks.
actiniaは、地理データのスケーラブルで分散した高パフォーマンス処理のためのオープンソースrest apiであり、計算タスクにgrass gisを使用します。
mapnik is a toolkit for rendering beautiful maps, with clean, soft feature edges provided by quality anti-aliasing graphics, intelligent label placement, and scalable, svg symbolisation.
mapnik は美しい地図を描画するツールキットで、高品質なアンチエイリアス処理によるクリーンでソフトなフィーチャの描画、インテリジェントなラベル配置、svg によるスケーリング可能なシンボル描画が可能です。
it is a challenge to fabricate graphene bulk materials with properties arising from the nature of individual graphene sheets, and which assemble into monolithic three-dimensional structures. here we report the scalable self-assembly of randomly oriented graphene sheets into additive-free, essentially homogenous graphene sponge materials that provide a combination of both cork-like and rubber-like properties. these graphene sponges, with densities similar to air, display poisson’s ratios in all directions that are near-zero and largely strain-independent during reversible compression to giant strains. and at the same time, they function as enthalpic rubbers, which can recover up to 98% compression in air and 90% in liquids, and operate between 196 and 900c. furthermore, these sponges provide reversible liquid absorption for hundreds of cycles and then discharge it within seconds, while still providing an effective near-zero poisson’s ratio.
三次元海綿状グラフェン材料ゼロに近いポアソン比と圧縮超弾性接合
Dernière mise à jour : 2015-04-16
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