phosphate fertilizer

According to the different contents both silicon tetrafluoride and hydrogen fluoride in production of phosphate fertilizer, they are absorbed with ammonium fluoride and/ or ammonia to obtain high concentration solution of ammonium fluosilicate, which is ammoniated and separated.

依据磷肥生产排出含氟废气中的四氟化硅和氟化氢含量的不同，以氟化铵和/或氨进行吸收，得到高浓度的氟硅酸铵溶液。

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Application of Gore Film Filter in Wastewater Treatment from Phosphate Fertilizer Production

戈尔膜过滤器在磷肥废水处理中的应用

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Calculating model for the available phosphorus in phosphate fertilizer made by partially acidulated phosphate rock

部分酸化磷矿法磷肥中有效磷含量计算模型

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Recent development and future trend of Yunnan province's sulphuric acid and phosphate fertilizer industries are discussed.

论述近年来云南省硫酸磷肥工业的发展情况及今后的发展方向.

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Research on the Control of Water Solubility of Phosphate Fertilizer Rate of Re-nurture

磷肥的水溶率控制研究

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Cd pollution of general farmland does not exist in short-term, but fertilizer pollution must he payed attention during the use of phosphate fertilizer in the area and in the special crop for a long-term.

指出一般农田短期内不存在Cd污染，但对长期大量施用磷肥的地区和特定作物（如根叶类蔬菜）施用磷肥须谨慎。

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A Study on Phosphorus Transformation and Residual Effect of Phosphate Fertilizer in Calcarious Soil

石灰性土壤中磷肥后效及磷素转化规律的研究

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High reinforcing white carbon black is prepared from phosphate fertilizer by-product fluosilicic acid.

以磷肥副产氟硅酸为原料,氨水为氨解剂制备了高补强性白炭黑.

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Study on the Effect of Phosphate Fertilizer in High Phosphate Soil

高磷土壤磷肥施用效果研究

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The main material of the phosphate fertilizer is apatite.

这种磷肥的主要原料就是磷灰石.

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Development and Utilization of By-product Silica containing Fluorine in Phosphate Fertilizer Industry

磷肥工业副产含氟硅胶的开发与利用

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They always connected water with their attitude. Production Summary of the HDH Process Phosphoric Acid Plant of Honghe Phosphate Fertilizer Factory

红河磷肥厂半水-二水物法磷酸装置生产小结

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He applied phosphate fertilizer in nutrient solution at two levels and at three stages of development.

他在营养液中分两个用量三个发育阶段施入磷肥.

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Zaoli phosphate fertilizer, and Hefei, hydrochloric acid production, sale, the enterprise product raw materials procurement.

造粒磷肥、复合肥 、 盐酸生产 、 销售, 本企业生产产品原料的采购.

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Phosphate fertilizer has certain promoting effect on taproot plus lateral root, but reduces the growth of adventitious root, resulting in the amount of roots decrease.

磷肥的施用对主根+侧根部分的发育虽有一定的促进效应，但是却减少了不定根的发育，使最终的根系总量有所减少。

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The Ap-2 fertilizer increased yield by 12. 86%, 13. 32% and 14. 13%, respectively, when the fertilizer substitute for 50%, 70% and 100% of chemical phosphate fertilizer, compered to alone chemical phosphate fertilizer.

当代替50%、70%和100%化学磷肥时，分别比单施化学磷肥增产12.86%、13.32%和14.13%。

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Study on Producing Cryolite from Low Concentration Fluorosilicic Acid in A Phosphate Fertilizer Plant

磷肥厂低浓度氟硅酸制冰晶石的研究

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Discharged by the phosphate fertilizer enterprise during the production process and main ingredient is the dihydrate of calcium sulfate, the precipitate, phosphogypsum, is the main industrial by-products.

磷石膏是磷肥企业在生产过程中排出的以二水硫酸钙为主要成分的沉淀物，是磷化工生产中最主要的工业副产品。

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Effect of phosphate Fertilizer on Capsicum Yield Increase and the Negative Effect of its Excess Application

天鹰椒的磷肥效应及磷肥过量的负作用

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the produce present situation of chinese milk vetch in xinyang and the effect of using phosphate fertilizer to chinese milk vetch

信阳紫云英生产现状及施用磷肥效果试验

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Situation of China's sulphuric acid and phosphate fertilizer in 2004

2004年全国硫酸磷肥生产情况

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Lu : gui alloy powder , Dianxiejinzhumeng, Guimeng alloy calcium magnesium phosphate fertilizer, composite Guifei, phosphate rock sales.

铝硅 合金粉 、电解金属锰 、 硅锰合金、钙镁磷肥 、 复合硅肥 、 磷矿石购销.

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The period of turf formation, phosphate fertilizer has little effect for the natural growth height.

可见磷肥对狗牙根成坪期间的自然生长高度影响不大。

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