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1·Cattle manure and calcium superphosphate were main polluting material.

牛粪、过钙是基质中主要镉污染物质。

2·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。

3·Besides, there are about 79 small and medium scale units producing single superphosphate.

此外，还有约79中小规模的单位生产过磷酸钙。

4·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。

5·The mechanism was Studed by m SPectroscopy that paper making Waste Water and phosphatic manure Waste Water control calcium Superphosphate moisture.

用红外光谱法探讨造纸与磷肥废液调控普钙水分的机理。

6·It could be expected that nucleoprotamine modified calcium phosphate could be a better transfect agent as compared to coprecipitated superphosphate.

本研究认为鱼精蛋白改性磷酸钙是一种比共沉淀法合成磷酸钙更好的转染载体。

7·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。

8·It is practically insoluble in water and only very slowly soluble in diluted acids, so it is largely converted for fertilizing purposes into superphosphate.

磷酸三钙几乎完全不溶于水，在稀酸中溶解也极为缓慢。所以，作为肥料，通常得把磷酸三钙转化为过磷酸钙。

9·The control tactics discussed in this paper is worth to be popularized not only in wet process of superphosphate but also in production of ammonium phosphate.

文中介绍的控制方案，不仅在普钙湿法工艺中有推广价值，也适用于小磷铵生产工艺。

10·Triple superphosphate Abbreviations: TSP (TSP) Quality Standard: HG2219-2224-91 Characters: granular solid, slightly acidic, look pale or dark colored exhaust.

三料过磷酸钙简称：重钙(TSP)质量标准：HG 2219 - 2224 - 91性状：粒状固体，微酸性，外观呈灰白色或暗竭色。

过磷酸钙

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。