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医疗机构医疗废物管理技术 被引量:10
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作者 吴安华 任南 《中国护理管理》 2003年第5期59-62,共4页
国务院总理温家宝于2003年6月16日签署第380号国务院令,颁布<医疗废物管理条例>.条例首先明确,制定该条例的宗旨是为了加强医疗废物的安全管理,防止疾病传播,保护环境,保障人体健康.制定条例的依据是<中华人民共和国传染病防治... 国务院总理温家宝于2003年6月16日签署第380号国务院令,颁布<医疗废物管理条例>.条例首先明确,制定该条例的宗旨是为了加强医疗废物的安全管理,防止疾病传播,保护环境,保障人体健康.制定条例的依据是<中华人民共和国传染病防治法>和<中华人民共和国固体废物污染环境防治法>.这是我国医疗废物管理的一个里程碑,标志着我国医疗废物管理步入法制化的轨道,必将极大地促进我国医疗废物的规范化管理. 展开更多
关键词 医疗废物 所有 包装物 医用废弃物 废物处理 化学性废物
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Characterization of semi-coke generated by coal-based direct reduction process of siderite
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作者 朱德庆 罗艳红 +1 位作者 潘建 周仙霖 《Journal of Central South University》 SCIE EI CAS CSCD 2015年第8期2914-2921,共8页
Solid wastes derived from metallurgical industries pose a significant threat to environment. The utilization and disposal of these solid wastes are the major concern in the world. Semi-coke generated in coal-based dir... Solid wastes derived from metallurgical industries pose a significant threat to environment. The utilization and disposal of these solid wastes are the major concern in the world. Semi-coke generated in coal-based direct reduction process of iron ore is a by-product and its suitable utilization is not available so far. In order to handle it properly, the characteristics of this by-product were comprehensively investigated. A series of analysis methods were used to demonstrate its mineral compositions, petrography and physico-chemical properties. The results reveal that the semi-coke has poor washability. The fixed carbon content of semi-coke reaches 76.11% and the gross calorific value is 28.10 MJ/kg, both of which are similar to those of traditional sinter coke breeze. Also, semi-coke ash possesses lower content of SiO2, Al2O3, S and higher content of CaO and MgO, which could improve the strength of sinter ore when partially substituting for coke breeze in sintering. Semi-coke features well-development porous structure and higher reaction activity, which predicts that the sintering speed could be elevated to some extent when employing it as a partial replacement of coke breeze, so the studies further suggest that the potential adverse effect of the high reactivity on sintering process could be weakened by adequately coarsening the semi-coke's particle size. 展开更多
关键词 SEMI-COKE coal-based direct reduction non-magnetic product sinter fuel
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