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重过磷酸钙
释义
重过磷酸钙
Encyclopedia
工学
湿法磷肥
释
triple superphosphate
重过磷酸钙
由磷矿粉与磷酸反应制成的高浓度磷肥。是一种酸法磷肥。含P2O538%~46%,为普通过磷酸钙P2O5含量的2~3倍,但不含硫酸钙。主要组合呈磷酸二氢钙的水合物[Ca(H2PO4)2·H2O]和少量的游离磷酸。外观为灰色或灰白色的粉料,有吸湿性,受潮后易结块。也可制成颗粒。可作为基肥、种肥和追肥直接施用,或作为制造氮-磷-钾复合肥料的配料。
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density estimator
density evolution
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density-exposure curve
density family
density flow
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density fluctuation and correlation near critical point
density function
density functional approximation
density functional based tight binding
density-functional based tight-binding
density functional method
density functional perturbation theory
density functional perturbation theory, DFPT
density functional theory
density functional theory, DFT
density function theory for polymer
density gauge
density gauge survey
density gradient centrifugation
density gradient method
density hole
density hypothesis
density independence
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