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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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Stirling finite difference formula
Stirling formula
Stirling interpolation formula
Stirling number
Stirling number of the first kind
Stirling number of the second kind
Stirling polynomial
Stirling Range National Park
Stirling refrigeration cycle
Stirling refrigerator
Stirling series
Stirling Silliphant
Stirling transform
stirred bioreactor
stirred fermentor
stirred loop bioreactor
stirred mill
stirred reactor
stirred tank
stirred tank bioreactor
stirred yoghurt
stirrer
stirring
stirring device
stirring pin
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