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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。
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truncated dependence group
truncated distribution
truncated dodecahedron
truncated equation
truncated frequency
truncated geometric object
truncated hexahedron
truncated icosahedron
truncated icosidodecahedron
truncated iteration
truncated Levy flight distribution
truncated mean
truncated normal distribution
truncated normal form
truncated octahedron
truncated polyhedron
truncated polynomial algebra
truncated polynomial ring
truncated power function
truncated prism
truncated pyramid
truncated regression
truncated reverse path broadcasting
truncated reverse path broadcasting, TRPB
truncated ring
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