To investigate the characteristics of service value of the karst rocky desertification ecosystem,we take water conservation,soil conservation,carbon-fixation and oxygen-production,production of organic matter,and puri...To investigate the characteristics of service value of the karst rocky desertification ecosystem,we take water conservation,soil conservation,carbon-fixation and oxygen-production,production of organic matter,and purification of atmospheric environment as function indicators,to conduct quantitative assessment and analysis of service function value of ecosystem in Bijie Yachi,Qingzhen Hongfenghu and Guanling-Zhenfeng Huajiang demonstration areas in Guizhou Province,using remote sensing and field monitoring data in 2006. The results show that the rate of contribution of water conservation,soil conservation,carbon-fixation and oxygen-production functions to regional service value is high ( 37. 05%,36. 68% and 23. 15%,respectively) ; the rate of contribution of production of organic matter and purification of atmospheric environment functions to regional service value is low ( 2. 80% and 0. 32%,respectively) . The ranking of landscape in terms of service value per unit area is as follows: forestland ( 23.353 9 million yuan) > shrub land ( 10.630 1 million yuan) > grassland ( 5.036 7 million yuan) > dry land ( 3.381 2 million yuan) > farmland ( 2.508 8 million yuan) . The ranking of demonstration areas in terms of service value per unit area is as follows: Yachi Demonstration Area ( 12.44 million yuan) > Hongfenghu Demonstration Area ( 5. 91 million yuan) > Huajiang Demonstration Area ( 4. 4 million yuan) . It is negatively correlated with rocky desertification incidence within the region. The results also indicate that in the process of restoring and reconstructing the ecological environment in rocky desertification areas,increasing the area of forest vegetation,promoting the conversion of dry land and farmland into forestland, shrub land and grassland,will contribute to enhancement in ecological service value.展开更多
工程变更指令(Engineering Change Order,ECO)在芯片设计当中是一种非常有效地解决芯片功能或时序问题的方法。本文以自研的条形码识别芯片为例,提出一种结合逻辑验证的从寄存器传输级(Register Transfer Level,RTL)电路到GDSII版图的...工程变更指令(Engineering Change Order,ECO)在芯片设计当中是一种非常有效地解决芯片功能或时序问题的方法。本文以自研的条形码识别芯片为例,提出一种结合逻辑验证的从寄存器传输级(Register Transfer Level,RTL)电路到GDSII版图的自动化ECO流程。介绍了基于综合工具、逻辑验证工具,布局布线工具的自动化ECO流程应用。同时围绕Conformal工具进行逻辑等效验证及ECO补丁生成,能够更直观地了解设计的变更点。且所有操作均可由自动化脚本完成,相较于传统的ECO流程,自动化程度更高,通过调用的综合工具使电路能更好地满足时序约束,大大降低了时间和人力成本,加快了芯片生产周期。展开更多
As Climate Change Haven Communities are constructed across the Northern Hemisphere, it will be necessary to attract two types of migrants to populate them. The first group consists of professionals and companies in ec...As Climate Change Haven Communities are constructed across the Northern Hemisphere, it will be necessary to attract two types of migrants to populate them. The first group consists of professionals and companies in eco-sustainable businesses, such as law firms, insurance companies, investment firms, banking, technological innovation, mass media, medical research and pharmaceutical research. The second group will consist of persons engaged in organic/eco-sustainable agriculture whose crops and animal husbandry practices can be transferred successfully to Climate Change Haven regions. The present research focuses on the social and economic variables that must be taken into account to insure that each new Climate Change Haven Community becomes successfully integrated with the local population and forms a cohesive, harmonious social structure. Examples are given from the United States, France, Spain, Portugal and Italy.展开更多
基金National Twelfth Five-Year Plan Science & Technology Support Project ( 2011BAC09B01)
文摘To investigate the characteristics of service value of the karst rocky desertification ecosystem,we take water conservation,soil conservation,carbon-fixation and oxygen-production,production of organic matter,and purification of atmospheric environment as function indicators,to conduct quantitative assessment and analysis of service function value of ecosystem in Bijie Yachi,Qingzhen Hongfenghu and Guanling-Zhenfeng Huajiang demonstration areas in Guizhou Province,using remote sensing and field monitoring data in 2006. The results show that the rate of contribution of water conservation,soil conservation,carbon-fixation and oxygen-production functions to regional service value is high ( 37. 05%,36. 68% and 23. 15%,respectively) ; the rate of contribution of production of organic matter and purification of atmospheric environment functions to regional service value is low ( 2. 80% and 0. 32%,respectively) . The ranking of landscape in terms of service value per unit area is as follows: forestland ( 23.353 9 million yuan) > shrub land ( 10.630 1 million yuan) > grassland ( 5.036 7 million yuan) > dry land ( 3.381 2 million yuan) > farmland ( 2.508 8 million yuan) . The ranking of demonstration areas in terms of service value per unit area is as follows: Yachi Demonstration Area ( 12.44 million yuan) > Hongfenghu Demonstration Area ( 5. 91 million yuan) > Huajiang Demonstration Area ( 4. 4 million yuan) . It is negatively correlated with rocky desertification incidence within the region. The results also indicate that in the process of restoring and reconstructing the ecological environment in rocky desertification areas,increasing the area of forest vegetation,promoting the conversion of dry land and farmland into forestland, shrub land and grassland,will contribute to enhancement in ecological service value.
文摘工程变更指令(Engineering Change Order,ECO)在芯片设计当中是一种非常有效地解决芯片功能或时序问题的方法。本文以自研的条形码识别芯片为例,提出一种结合逻辑验证的从寄存器传输级(Register Transfer Level,RTL)电路到GDSII版图的自动化ECO流程。介绍了基于综合工具、逻辑验证工具,布局布线工具的自动化ECO流程应用。同时围绕Conformal工具进行逻辑等效验证及ECO补丁生成,能够更直观地了解设计的变更点。且所有操作均可由自动化脚本完成,相较于传统的ECO流程,自动化程度更高,通过调用的综合工具使电路能更好地满足时序约束,大大降低了时间和人力成本,加快了芯片生产周期。
文摘As Climate Change Haven Communities are constructed across the Northern Hemisphere, it will be necessary to attract two types of migrants to populate them. The first group consists of professionals and companies in eco-sustainable businesses, such as law firms, insurance companies, investment firms, banking, technological innovation, mass media, medical research and pharmaceutical research. The second group will consist of persons engaged in organic/eco-sustainable agriculture whose crops and animal husbandry practices can be transferred successfully to Climate Change Haven regions. The present research focuses on the social and economic variables that must be taken into account to insure that each new Climate Change Haven Community becomes successfully integrated with the local population and forms a cohesive, harmonious social structure. Examples are given from the United States, France, Spain, Portugal and Italy.
