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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
conditioning extra meridians
conditioning heat treatment
conditioning of a matrix
conditioning regimen pre-HSCT
condition monitoring
condition monitoring repair method
condition number
condition number of eigenvalue problem
condition number of linear system
condition of classical limit
condition of collection
condition of completeness
condition of congruence
condition of connectedness
condition of continuity
condition of convergence
condition of effectivity
condition of electrical neutrality
condition of electrostatic equilibrium in conductors
condition of equivalence
condition of identity
condition of integrability
condition of involution
condition of left invariant
condition of left-invariant
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