共查询到19条相似文献,搜索用时 78 毫秒
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用表面活性技术处理得到的膨化硝酸铵炸药,较好地克服了粉状硝铵炸药的主要缺点,具有高爆速、高威力、高猛度的爆炸特性。由于其体系中不含TNT,且毒性小、成本低,因此具有良好的经济效益、社会效益及推广应用前景。 相似文献
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时下一些部门和一部分人对硝酸铵产品提出无用论 ,认为硝酸铵会影响绿色食品品质 ,为此 ,我先后同中国农科院土肥研究所、山东农业大学、上海农科院的农业专家 ,以及西北农业大学等就有关问题和他们进行了大量的交流和探讨 ,并结合多年工作实践 ,我认为 :硝酸铵是一种好肥料 ,正确的使用 ,不但不会影响作物品质、污染环境 ,反而会提高农产品品质。1 硝酸铵肥料是农作物的营养素硝酸铵极易溶于水 ,只有在 2 1 0℃以上才能分解为氧化亚氮和水 ,而在农用条件下 ,这个温度是绝对达不到的。硝酸铵溶于水及施与农田中是以铵 (NH+4 )离子和硝酸… 相似文献
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造粒硝铵装置改产硝酸铵钙 总被引:8,自引:0,他引:8
介绍硝酸铵钙的物化性能,采用硝酸铵与石灰石混和法生产硝酸铵钙的工艺流程,以及技术经济指标,硝酸铵钙用作肥料能增加养分种类,改善土壤品质,并具有适应性广等特点。是硝铵生产厂家一条很好的改产途径。 相似文献
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Vytenis Babrauskas 《火与材料》2018,42(2):164-172
On April 17, 2013, an explosion of ammonium nitrate (AN) fertilizer stored at the West Fertilizer Company resulted in 15 deaths, 260 injuries, and the destruction of a sizable portion of the town. AN fertilizer is classified as an oxidizer, not as an explosive; nonetheless, it is a chemical which can detonate, and there is a century's worth of history of such explosions, some of them in manufacturing operations, but many in storage or transport. A review of incidents showed that 100% of AN fertilizer explosions in storage or transport had a single cause—an uncontrolled fire. Thus, AN fertilizer explosions in storage are preventable accidents, because technology to preclude uncontrollable fires also has been available for a century. In the case of transport accidents, uncontrolled fires may not be avoidable. However, technologies exist that can make AN less likely to explode, and to show greatly reduced explosion intensity, if driven to explosion. None of these safety measures were in place for this disaster. Details of necessary fire safety measures and the effectiveness and utility of existing regulations for AN are examined. This is important because most AN storage facilities in the United States are similarly inadequate in their fire safety. 相似文献
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为了适应硝酸铵市场的需求,云天化公司对硝酸铵进行了改性研究。通过在现有装置上进行的四硝酸锌工业试验、硝酸铵钙工业试验和硝基复合肥的工业试验研究表明,硝酸铵钙和硝基复合肥的生产都存在许多问题,需要改进现有工艺和增加许多设备。而自行开发的硝酸锌熔融生产工艺在不改变现有装置情况下,生产的硝酸锌总氮为33.04%、NH4NO3为34.4%、抗压强度为9.92 N,产品的粒度、水分、强度都达到了国家标准,其松散度较好。 相似文献
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