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: A Effect of revert recycle times on microstructures and properties of nickel-base superalloy K446 YUAN Chao1, GUO Jian-ting1, ZANG Zhi-xin1, LAI Wan-hui1, LIU Yi-ming2, LI Hong-liang2 (1. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China; 2. Shenyang Liming Aero-Engine (Group) Corporation, Shenyang 110043, China) Abstract: The effect of the recycle times......
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电子垃圾的回收再利用及其成本-收益模型研究 刘亮岐1,尹立孟2 (1.华南理工大学材料科学与工程学院,广州,510640;2.重庆科技学院冶金与材料工程学院,重庆,401331) 摘要:研究了电子垃圾回收和再利用的技术,方法和流程工艺,并在此基础上以台式电脑这一常用电子产品为例,提出了电子垃圾回收处理的成本-收益模型,同时对该模型进行了分析与总结. 关键词:电子垃圾; 回收再利用; 成本-收益; 模型; electronic-waste; recycle and reuse; cost-benefit; model; [全文内容正在添加中] ......
沙钢转炉煤气实时调度系统应用分析陆亚飞1,张玉庆2(1.江苏省苏州市张家港市江苏沙钢集团有限公司计算机应用中心2.冶金自动化研究设计院)摘 要:介绍江苏沙钢集团有限公司能源调度中心转炉煤气调度系统.利用调度系统进行综合分析,根据转炉生产节奏的特殊性和生产计划进行实时调度,优化调度,克服煤气柜储存能力的局限,有效地保证转炉煤气的回收利用,实现少放空,不放空的目标,并实现均衡生产,达到节能减排和稳产高产的目的.2008年吨钢消耗为-13.1 kg标煤,达到了转炉负能炼钢的国内先进水平.关键词:转炉煤气......
electrowinning; current efficiency; effluent recycle Foundation item: Project(51574294) supported by the National Natural Science Foundation of China Received date: 2018-07-04; Accepted date: 2018-10-16......
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-Verlag Berlin Heidelberg 2016 Abstract: A large amount of coal gangue from coal mining and processing is regarded as waste and usually stockpiled directly. In order to recycle the valuable elements... concentrate reaches 80.4% at 270°C for 40 min in the Bayer process. Key words: coal gangue; recycle; alumina; titanium dioxide; tobermorite 1 Introduction During the past decades, most of coal resources......
capacity and cycling performance. The first discharge capacity is 160 mA?h/g from 3.0 V to 4.3 V. The discharge capacity after cycled 30 times is still 150 mA?h/g. Key words: LiCoO2; recycle......