1·The water extraction process of iron and aluminum oxides from superphosphate is experimented and studied by orthogonal designing method and the kinds of additive and extraction conditions are sieved.
本文用正交设计方法对过磷酸钙水浸取过程中倍半氧化物的浸出进行了实验研究,筛选了添加剂的种类和浸取条件。
2·Abstract: The effects of different addition amounts of superphosphate on vegetable waste compost were studied.
摘要:试验研究了不同过磷酸钙添加量对蔬菜废弃物堆肥腐熟进程的影响。