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of change in the energy consumption ratio can be used as the criteria of the crack initiation and propagation and the unstable failure of the sample, respectively. Key words: energy evolution..., and damage and failure evolution mechanism, and establishes the energy criterion of instability and failure of a jointed rock mass surrounding an opening based on the defined energy consumption ratio......
4.1.2 出口水温及热能释放量 图7所示为分层蓄热型和非分层蓄热型系统水箱出口水温及热能释放量随时间的变化.从图7可见: 图7 出口水温及热能释放量随用能时间的变化 Fig. 7 Export water temperature and thermal energy release vs energy consumption time 1) 对于出口水温,用能1 min时,采用分层蓄热型和非... heat preservation energy cost distribution 表2 分层蓄热系统和非分层蓄热系统的月保温能耗对比 Table 2 Monthly heat preservation energy cost comparison between stratified and non-stratified thermal storage system 4.3 全年运行能耗 考虑......
42CrMo合金棒材降温轧制工艺研究魏立群1,柳谋渊2,陈汉辉3,许亚飞3(1.上海市上海应用技术学院材料科学与工程系2.上海应用技术学院 材料科学与工程学院,上海 2002353.宝钢股份公司 特殊钢分公司,上海 201900)摘 要:根据宝钢股份公司特殊钢分公司合金钢棒材分厂的工艺和设备能力,结合现场实测参数和理论计算模型,确定42CrMo钢的轧制力能参数计算公式.在满足该轧机和主电机的能力,轧制产品的组织性能和表面质量的条件下,将42CrMo钢的加热温度从1 150℃降到1 030℃,使生产线的总能耗减低......
of network performance in a movement-assisted data gathering scheme was studied by analyzing the energy consumption of wireless sensor network with node uniform distribution. A theoretically analytical... optimization; energy consumption balancing; density ratio of sensor node; network lifetime 1 Introduction The main function of wireless sensor networks is to gather the information of surrounding......
310027, China)Abstract:A motion parameter optimization method based on the objective of minimizing the total energy consumption in segment positioning was proposed for segment erector of shield tunneling...Energy saving analysis of segment positioning in shield tunneling machine considering assembling path optimizationSHI Hu(施虎)1, 2, GONG Guo-fang(龚国芳)2, YANG Hua-yong(杨华勇)2, MEI Xue-song(梅雪松)1(1. State......
on the cathodic current efficiency, recovery rate, energy consumption and cell voltage were explored, respectively. The results indicate that the cathode current efficiency and the energy consumption...; energy consumption 镍是一种银白色重金属,以其优良的特性,被用于制造不锈钢,耐热合金,抗腐蚀合金,磁性合金和特种合金等方面,是一种重要的战略资源[1].镍资源主要有硫化镍矿和红土镍矿两种,其中红土镍矿占镍资源总量的60%以上.随着高品位含镍硫化矿的日益枯竭和社会发展对镍需求量的不断增加,高效低成本地开发利用红土镍矿具有重要的意义. 目前,红土镍矿的处理工艺分为火法和湿法两种.火法工艺......
the smallest total energy consumption, and the location and energy level which made the longest life expectancy. The results show that the network life can be improved 5 times than that of fixed node’s transmitting power only by selecting the optimal transmitting power. When the network hop is single, the location of buffer zone makes the minimum total energy consumption, when the network hop......
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实验室节能减排降耗与环保盛宏宇1,李勇1,王琳2(1.黑龙江省哈尔滨市人民武装警察部队黄金第三支队2.中国人民武装警察部队黄金第四支队)摘 要:分析了当前国内实验室节能减排降耗与环保的现状,详细地阐述了实验室节能减排降耗与环保的新措施,新方法和新手段,提出了简便,实用,操作性强的技术规范以及相应的考核办法和要求.它能够完全融入实验室的整体建设和综合验收中,可以使实验室在相对较低的成本下,获取更高的利润或更多的科研成果,从而为实现"十二五"节能减排目标做出应有的贡献.同时,为实验室管理者,实验室管理体系建立者和标......
wastewater via anammox. Key words: domestic wastewater; nitritation; bioaugmentation; anammox; energy saving and consumption reducing 厌氧氨氧化菌(Anammox)在厌氧的条件下以二氧化碳作为碳源,利用亚硝酸盐氧化氨氮,因此厌氧氨氧化菌的发现使污水生物脱氮过程由异养转向自养..., SALZGEBER D, EUGSTER J, et al. Anammox brings WWTP closer to energy autarky due to increased biogas production and reduced aeration energy for N-removal[J]. Water Science and Technology, 2008, 57(3......