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排序方式： 共有150条查询结果，搜索用时 15 毫秒
1.
This paper discusses an overall strategy for reducing energy demand in non-domestic buildings, mainly focusing on office developments. It considers four areas: reducing internal heat loads; addressing passive design through the building construction; using efficient and responsive HVAC systems and focusing on chilled (heated) surface systems; integrating renewable energy supply systems into the building design. The impact on energy use and carbon dioxide emissions will be discussed. The paper will draw from a range of design projects carried out in Europe, where this integrated approach has been applied, and then explore the benefits in relation to applications in the Middle East and China. Energy modeling results, to inform the design process will be presented, using energy simulation for three case study locations, in Zurich, the Chongqing and Abu Dhabi. 相似文献
2.
《Cities》1988,5(2):137-143
Controls to protect the historic environment have developed relatively late in Australian cities. The earliest and subsequently most comprehensive evolved in the state of Victoria, especially in the inner suburbs of the state capital, Melbourne. These controls have two basic forms; specific site registration and protection and broader planning control. While the controls have developed amidst some criticism and opposition, they appear currently to be well accepted and to be making a positive impact. 相似文献
3.
Review of water reuse practices and development in China. 总被引：1，自引：0，他引：1
Y Zhang X Chen X Zheng J Zhao Y Sun X Zhang Y Ju W Shang F Liao 《Water science and technology》2007,55(1-2):495-502
The paper reviews existing urban water reuse schemes in north China including existing policies, institutional, technical and financial practices, summarises the data of nine water reclamation plants in six case study cities, highlights key issues and constraints, and presents development trend in water reuse sector. It is based on an intensive study programme financed by the World Bank in 2004/2005. 相似文献
4.
聚乙烯燃气管道工程设计与施工技术要点 总被引：1，自引：0，他引：1
本文依据行业标准《聚乙烯燃气管道工程技术规程》CJJ63—2008,重点介绍了聚乙烯燃气管道工程设计、施工和验收等技术。 相似文献
5.
建筑业信息化标准是规范建筑行业信息化工作的强有力保障。为了完善我国建筑业信息化标准系统性,阐述了信息化标准体系设计原则, 建立了两种信息化标准体系结构模型, 明确了两种结构模型各层次标准的对应关系, 总结了信息化标准体系编制情况, 为指导建筑业信息化标准化建设提供依据。 相似文献
6.
工程建设主体的安全生产管理定位与制度改进 总被引：1，自引：0，他引：1
良好的制度取决于制度内部要素间的一致性及其与外部环境间的协调,而不是依赖于外部监督。针对我国建筑安全生产依赖于政府检查和监理监督的现状,基于专家访谈和利益相关者分析,对我国建筑安全生产管理制度中建设单位、设计单位和监理单位的不同定位进行探讨,根据三者的定位组合提出三种制度改进方案:①建设单位推动安全生产管理;②政府部门推动安全生产管理;③激励施工单位主动加强安全生产管理。探讨三种制度改进方案的适用条件、改进步骤以及各建设主体安全管理权责的变化,为相关政府部门和政策研究部门提供参考。 相似文献
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Polycentricity belongs to the most versatile and fuzzy concepts in urban geography. It basically points to the existence of more than one center within a conurbation. Previous studies have mostly referred to the spatial distribution of employment density for (sub-) center identification. In contrast, our study draws on large area 3D building models derived from ubiquitous remote sensing data. We use stereoscopic Cartosat-1 digital surface models in combination with building footprints. These geoinformation reflect the spatial configuration of the built dimension and allow a physical approach to the concept of polycentricity. For (sub-) center identification we thoroughly analyze conceptually different kinds of threshold approaches (global, region-specific and distance-based) applied to concentrations of urban masses. After evaluating the advantages and disadvantages of the threshold approaches applied, we combine these methods to overcome their individual shortcomings. Last but not least, we establish a framework consisting of mapping techniques and site- and non-site specific statistics to evaluate polycentricity at fine-grained spatial intra-urban scale. In general we find that urban mass concentrations are a reasonable proxy for commonly used employment density data. We address the polycentricity issue across four German city regions—Frankfurt, Cologne, Stuttgart and Munich—and we find all of them to still be morphologically dominated by their core cities. Nevertheless, our analysis reveals striking differences of the urban spatial structure highlighting a rather monocentric pattern in the Munich region on the one hand, and a polycentric-dispersed distribution of urban mass concentrations in the Stuttgart region on the other hand. 相似文献
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