查询词典 superphosphate

Potassium dihydrogen phosphate was prepared by the reaction of ordinary superphosphate with potassium sulfate,and effecting factors were investigated.

研究了以普钙和硫酸钾为原料制备磷酸二氢钾的工艺条件。

Key words: single superphosphate; computer; formulating system; software; module

关键词］过磷酸钙；计算机；配料系统；软件；模块

A new production technology is developed in this paper in which crystal of potassium dihydrogen phosphate is produced through the reaction of triple superphosphate and potassium sulfate.

本文通过对现有工艺的分析和总结，开发了由重钙和硫酸钾生产磷酸二氢钾的新工艺。

We make superphosphate by reacting rock phosphate with sulphuric acid.

我们使磷酸盐岩同硫酸发生化学反应制造过磷酸钙。

In this paper, quick determination of the content of the effective phosphorus in the new calcium superphosphate by means of potentiometric titration has been researched.

研究了用电位滴定法快速测定新鲜过磷酸钙磷肥中有效磷含量的方法。

A kind of new typer mixing reacter with an injection tube and a baffled chamber for producing calcium superphosphate was introduced.

介绍了由一个喷射管和一个折流室构成的用于普钙生产的新型混合反应器。

Results revealed that superphosphate has a similar effect as straw ash.

过磷酸钙对沤改旱田旱作有显著的增产效果。

Using pot experiment,the transformations of different forms and the bioavailability of added Pb in soil blended with single superphosphate were determined.

采用盆栽试验方法，研究了施入过磷酸钙磷肥对土壤中外源铅的形态变化及其生物有效性的影响。

In this paper,a new type of mixing reaction unit composed of injector and baffled chamber,which is used in production of calcium superphosphate

介绍了由一个喷射管和一个折流室构成的用于普钙生产的新型混合反应装置，它有结构简单、节能、操作方便、质轻体小、成本低、应用效果好等优点。

South of companies Linfei Chang calcium superphosphate workshop for the silica gel filtration, washing and pressing.

南化公司磷肥厂用于普钙车间硅胶的过滤、洗涤和压榨。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。