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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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autonomous ordinance
autonomous prefecture
Autonomous Region in Muslim Mindanao
autonomous robot
autonomous system
autonomous system, AS
autonomous system,AS
autonomous system of differential equations
autonomous systems
autonomous theatre
autonomous underwater helicopter
autonomous underwater vehicle
autonomous underwater wehicle
autonomous vehicle
autonomy
autonomy and jointnomy
autonomy of art
autonomy rights of the elderly
autonymy
auto-oscillating system
auto-oscillation
auto-oxidation
auto oxidation chemiluminescence
auto-oxidation chemiluminescence
autoparallel curve
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