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单词
single superphosphate
释义
single superphosphate
Encyclopedia
工学
湿法磷肥
释
single superphosphate
过磷酸钙
用硫酸分解磷矿直接制得的磷肥。又称普通过磷酸钙,简称普钙。主要有用组分是磷酸二氢钙的水合物[Ca(H2PO4)2·H2O]和少量游离的磷酸,还含有无水硫酸钙组分(对缺硫土壤有用)。过磷酸钙含有效五氧化二磷为14%~20%(其中80%~95%溶于水),属于水溶性速效磷肥,灰色或灰白色粉料或颗粒料(由粉料造粒制成),可直接作磷肥,也可作制复合肥料的配料。
随便看
geometric function theory in several complex variables
geometric function theory of one complex variable
geometric fundamental group
geometric genus
geometric geodesy
geometric Goppa code
geometric graph
geometric group
geometric group theory
geometric holohedry
geometric homology
geometrician
geometric idea
geometric index evaluation
geometric inequality
geometric internal detector
geometric interpretation
geometric intuition
geometric invariant
geometric invariant theory
geometric isomer
geometric isomerism
geometric language
geometric latitude
geometric lattice
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