The effect of activation porous agent on reaction process of phosphate rock acidulated by sulfuric acid was studied.
用硫酸分解开阳磷矿，研究了活化疏松剂（APA）对该反应过程的影响。
The phosphate degradation was studied when Fused Magnesium phosphate, Single-super phosphate and Partially Acidulated phosphate Rock were applied in two kinds of soils.
对钙镁磷肥、过磷酸钙和部分酸化磷肥在河南郑州西岗沙土和河南西华县潮土中的退化情况进行了研究。
The effect of partially acidulated phosphate rock compound fertilizer and the degeneration mechanism of water soluble phosphate in soil were introduced.
介绍了部分酸化磷矿一步法制复合肥的肥效及水溶磷在土壤中的退化机理。
Process features and experimental results of production of compound fertilizer from partially acidulated phosphate rock in one step are presented.
介绍部分酸化磷矿一步法制复肥的工艺特点及实验研究结果。
Shangsuan phosphate rock of Yunnan province was acidulated by the phosphoric acid about 20% P2O5 produced by hot-process.
采用热法磷酸制成含20% P 2o5左右的磷酸，用以与云南上蒜磷矿进行分解反应。
Shangsuan phosphate rock of Yunnan province was acidulated by the phosphoric acid about 20% P2O5 produced by hot-process.
采用热法磷酸制成含20% P 2o5左右的磷酸，用以与云南上蒜磷矿进行分解反应。
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