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of the mixed mesophiles, three effective means were used to reduce the disadvantage of magnesia during the bioleaching operation. They were adaptation of the mixed mesophiles to improve the tolerance.... Key words: column reactor; mixed mesophiles; nickel sulfide mineral; magnesia adaptation; pre-leaching  ......
Effect of mixed moderately thermophilic adaptation on leachability and mechanism of high arsenic gold concentrate in an airlift bioreactorYU Run-lan(余润兰), WU Fa-deng(吴发登), CHEN An(陈安), SHI Li-juan(石丽... gold concentrate with 19% arsenic was treated by a mixed moderately thermophiles in an airlift bioreactor through an adaptation protocol. The moderately thermophiles could respond well to 20% (w/v......
An adaptive algorithm for pass adaptation in plate rollingZhichun Mu, WeimingLi, and Ke LiuInformation Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正>A new algorithm for pass adaptation in plate rolling is developed to improve thickness accuracy of plate products. The feature of the algorithm......
低碱度镁质氧化球团的试验研究范晓慧1,甘敏1,陈许玲1,姜涛1,白国华1(1.湖南省长沙市中南大学资源加工与生物工程学院)摘 要:通过往铁精矿中添加菱镁石和石灰石改变球团MgO含量和碱度(R)的试验研究,得到一种低碱度镁质球团矿,其具有机械强度高,还原性能好,还原膨胀低,软熔温度高的特点.提高球团MgO的质量分数到2.5%,碱度为0.2时,相比普通酸性球团矿,球团机械强度从3 167 N/个提高到3 517 N/个,球团还原度从70.52%提高到80.80%,还原膨胀从13.3%下降到5.7%,软化开始和结束温......
2-Dimensional FEM modeling of macrosegregation in the directional solidification with mesh adaptation Weitao LIU1,Michel Bellet2,Hervé Combeau2,Changchuan XIE3 (1.Beijing Metallurgical Technology...; whereas, the objective mesh size in the liquid is considered as a function of the distance to the liquidus isotherm. The efficiency of mesh adaptation is demonstrated by prediction......
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trajectories with both satisfactory accuracy and stability.Key words:robot path planning; bacterial foraging behaviors; swarm intelligence; adaptation......
准化学平衡条件下MgO对多元铁酸钙生成的影响郭兴敏1,张俊1,李春增2,朱利1,赵金龙1(1.北京市北京科技大学冶金与生态工程学院2.石家庄钢铁有限公司 技术中心,河北石家庄 050031)摘 要:研究了不同碱度,不同SiO2与Al2O3含量条件下MgO对铁酸钙生成的影响以及Fe2O3-SiO2-CaO-Al2O3-MgO系内烧结矿的成矿过程,通过模拟高碱度烧结矿配料在空气气氛,1 220℃准化学平衡条件下进行烧结实验,利用XRD-QAMS法进行矿物定量,显微镜下观察矿相结构等方法进行分析.实验结果表明:R=2......
Biosynthesis of Bioadaptive Materials: A Review on Developing Materials Available for Tissue AdaptationJunxuan Ma1,2,Zhiyu Zhou2,Manman Gao2,Binsheng Yu1,Deming Xiao1,Xuenong Zou2,Cody Bünger31. Department of Orthopaedic, Peking University Shenzhen Hospital2. Department of Spinal Surgery/Orthopaedic......
of space adaptation syndrome (SAS) and improve the training efficiency of the astronauts, a novel astronaut rehabilitative training robot (ART) was proposed. ART can help the astronauts to carry out... adaptation syndrome; astronaut rehabilitative training robot; model identification; hybrid force control......