Jointly published by 14 Department headed by Standardization Administraion ofChina(SAC) Subtitle: China will formulate and reformulate 926 standards for energy conservation andcomprehensive u-tilization during 2005 an...Jointly published by 14 Department headed by Standardization Administraion ofChina(SAC) Subtitle: China will formulate and reformulate 926 standards for energy conservation andcomprehensive u-tilization during 2005 and 2007. In the past few days, 14 departments jointlypublished the Development Program of Energy Conservation and Comprehensive Utilization 2005-2007,(Program for short). They are Standardization Administration of China, National Development andReform Commission, Ministry of Land and Resources, Ministry of Establishment, Ministry ofCommunications, Ministry of Information Industry, Ministry of Waster Resources, Ministry ofAgriculture, Ministry of Commerce, General Administration of Quality Supervision, Inspection andQuarantine of the PRC, State Environmental Protection Administration, State Forestry Bureau, StateOceanic Administration and China Meteorological Bureau.展开更多
In this paper,we consider the energy conserving numerical scheme for coupled nonlinear Klein-Gordon equations.We propose energy conserving finite element method and get the unconditional superconvergence resultO(h^(2)...In this paper,we consider the energy conserving numerical scheme for coupled nonlinear Klein-Gordon equations.We propose energy conserving finite element method and get the unconditional superconvergence resultO(h^(2)+Dt^(2))by using the error splitting technique and postprocessing interpolation.Numerical experiments are carried out to support our theoretical results.展开更多
中国石油化工股份有限公司洛阳分公司芳烃联合装置综合节能优化改造主要是以降低工艺用能、提高能量转化和传输过程的效率为目标,采用新型塔板技术对芳烃抽提和对二甲苯装置的8个塔器进行改造,采用搪瓷管空气预热器对加热炉余热回收系...中国石油化工股份有限公司洛阳分公司芳烃联合装置综合节能优化改造主要是以降低工艺用能、提高能量转化和传输过程的效率为目标,采用新型塔板技术对芳烃抽提和对二甲苯装置的8个塔器进行改造,采用搪瓷管空气预热器对加热炉余热回收系统改造。改造后,装置运行平稳,产品质量合格,加热炉热效率由89%提高到92%。标定结果显示,装置每年能耗降低427.76 G J,三苯单位能耗降低1.06 G J。展开更多
文摘Jointly published by 14 Department headed by Standardization Administraion ofChina(SAC) Subtitle: China will formulate and reformulate 926 standards for energy conservation andcomprehensive u-tilization during 2005 and 2007. In the past few days, 14 departments jointlypublished the Development Program of Energy Conservation and Comprehensive Utilization 2005-2007,(Program for short). They are Standardization Administration of China, National Development andReform Commission, Ministry of Land and Resources, Ministry of Establishment, Ministry ofCommunications, Ministry of Information Industry, Ministry of Waster Resources, Ministry ofAgriculture, Ministry of Commerce, General Administration of Quality Supervision, Inspection andQuarantine of the PRC, State Environmental Protection Administration, State Forestry Bureau, StateOceanic Administration and China Meteorological Bureau.
基金The work is supported by the National Natural Science Foundation of China(No.11871441)Beijing Natural Science Foundation(No.1192003).
文摘In this paper,we consider the energy conserving numerical scheme for coupled nonlinear Klein-Gordon equations.We propose energy conserving finite element method and get the unconditional superconvergence resultO(h^(2)+Dt^(2))by using the error splitting technique and postprocessing interpolation.Numerical experiments are carried out to support our theoretical results.
文摘中国石油化工股份有限公司洛阳分公司芳烃联合装置综合节能优化改造主要是以降低工艺用能、提高能量转化和传输过程的效率为目标,采用新型塔板技术对芳烃抽提和对二甲苯装置的8个塔器进行改造,采用搪瓷管空气预热器对加热炉余热回收系统改造。改造后,装置运行平稳,产品质量合格,加热炉热效率由89%提高到92%。标定结果显示,装置每年能耗降低427.76 G J,三苯单位能耗降低1.06 G J。
