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硝酸磷肥
释义
硝酸磷肥
Encyclopedia
工学
复合肥料
释
nitrophosphate
硝酸磷肥
用硝酸分解磷矿制得的氮磷(钾)复合肥料。产品主要成分为硝酸铵、磷酸铵和磷酸钙盐。硝酸磷肥的主要特点是硝酸分解磷矿时,硝酸起到了双重作用,既利用了硝酸的化学能分解磷矿,把矿中的五氧化二磷转变为可被作物吸收的形态,其本身又能作为作物的养分留在产品中,起到以氮带磷的作用,经济上比较合理。
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second-stage propulsion system for ejection seat
second stage unit
second Steiner circle
second style mural
second subordinate series
second summation
Second Temple Period
second term
second theorem of Pappus
second trace
second-trace echo
second transit
second-type outer boundary condition
second type surface
Second United Nations Conference on Human Settlements (HABITAT II)
second university reform movement in Germany
second variation
second variation formula
second variation formula of arc length
Second Vatican Council
second virial coefficient
second wave of Chinese newspaper publication
second window
secrecy
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