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Effect of RE Complex Inoculation on the Fatigue Wear Behaviours of High Chromium Cast Iron
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作者 王久彬 李庆春 《Journal of Rare Earths》 SCIE EI CAS CSCD 1995年第1期67-70,共4页
Inoculation of high chromium cast iron is made by RE complex inoculant. Influence of inoculating on rolling fatigue wear characteristics of high chromium cast iron is investigated. The experimental resutls indicate th... Inoculation of high chromium cast iron is made by RE complex inoculant. Influence of inoculating on rolling fatigue wear characteristics of high chromium cast iron is investigated. The experimental resutls indicate that high chromium cast iron inoculated by RE complex inoculation is improved in structure and properties, i. e. fatigue wear sevice life is prolonged and relative wear resistance is increased greatly. 展开更多
关键词 Rare earth Fatigue wear complex inoculation High chromium cast iron
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Two stages kinetics of municipal solid waste inoculation composting processes 被引量:2
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作者 XIBei-dou HUANGGuo-he +1 位作者 QINXiao-sheng LIUHong-liang 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2004年第3期520-524,共5页
In order to understand the key mechanisms of the composting processes, the municipal solid waste(MSW) composting processes were divided into two stages, and the characteristics of typical experimental scenarios from t... In order to understand the key mechanisms of the composting processes, the municipal solid waste(MSW) composting processes were divided into two stages, and the characteristics of typical experimental scenarios from the viewpoint of microbial kinetics was analyzed. Through experimentation with advanced composting reactor under controlled composting conditions, several equations were worked out to simulate the degradation rate of the substrate. The equations showed that the degradation rate was controlled by concentration of microbes in the first stage. The degradation rates of substrates of inoculation Run A, B, C and Control composting systems were 13 61 g/(kg·h), 13 08 g/(kg·h), 15 671 g/(kg·h), and 10 5 g/(kg·h), respectively. The value of Run C is around 1 5 times higher than that of Control system. The decomposition rate of the second stage is controlled by concentration of substrate. Although the organic matter degradation rates were similar to all Runs, inoculation could reduce the values of the half velocity coefficient K \-m and could be more efficient to make the composting stable. Particularly, for Run C, the degradation rate is high in the first stage, and K \-m is low in the second stage. The results indicated that the inoculation was efficient for the composting processes. 展开更多
关键词 municipal solid waste inoculation complex microbial community oxygen consumption two stages kinetics equations
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