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1.
沥青紫外线老化仿真系统的建立   总被引:2,自引:1,他引:1  
叶奋  黄彭 《建筑材料学报》2005,8(5):567-571
探讨了紫外线辐射条件下沥青光氧化的机理,分析了沥青光氧化速率的影响因素,并通过对青藏高原日光辐射强度和波段区间分布的调研,利用室内强紫外线老化环境箱对沥青材料进行室内外紫外线老化模拟对比分析,建立了沥青紫外线老化仿真系统.这对于西部受强日光紫外线辐射地区研究道路沥青光氧化老化提供了一种切实可行的方法.  相似文献   

2.
通风空调系统中紫外线辐射消毒的应用   总被引:2,自引:1,他引:1  
介绍了紫外线消毒技术的应用情况,分析了紫外线辐射消毒在通风空调系统中应用的可行性,认为紫外线消毒装置与空气过滤器组合使用才能发挥出更大的效应,在通风空调系统中宜将紫外线消毒装置设置在空气处理机组内盘管的出口侧。  相似文献   

3.
刘兴  张振宇 《华中建筑》2010,28(9):12-14
拓扑学给当今建筑界带来深刻的变革,这种变革不仅表现在建筑单体的设计上,更重要的是对整个建筑设计体系的冲击。该文从拓扑学的定义出发,介绍了拓扑学的性质及其核心问题同胚变换,阐明了拓扑形变对建筑形态设计的影响,并结合实例说明这种变换在建筑设计中的具体应用。  相似文献   

4.
为探究紫外线剂量对大肠杆菌光复活现象的影响,通过调节紫外线强度和紫外线辐射时间控制紫外线剂量的大小,研究了不同紫外线剂量条件下大肠杆菌光复活的程度。结果表明,较高紫外线剂量辐射下大肠杆菌的光复活程度显著低于较低紫外线剂量辐射下,紫外线剂量为92. 28 m J/cm2时的大肠杆菌光复活率比26. 88 m J/cm2时小2. 72个对数数量级。当紫外线辐射时间不变时,紫外线强度越强,大肠杆菌光复活率越小。同一强度下,紫外线辐射时间越长,大肠杆菌光复活率越小。经较高紫外线剂量辐射后的大肠杆菌,发生光复活现象的时间显著滞后于较低紫外线剂量。  相似文献   

5.
建筑形态的拓扑同胚演化   总被引:5,自引:0,他引:5  
拓扑学给当今建筑界带来深刻的变革,这种变革不仅表现在建筑形态上,更重要的是对整个建筑体系的冲击。本文主要从介绍拓扑学的核心问题即同胚变换入手,阐明了拓扑学同胚变换时建筑形态的表现形式,并进一步说明了导致建筑形态同胚变换的深层原因,指出同胚变换是建筑形态变化的深层结构。  相似文献   

6.
光照对古建筑油饰彩画的影响与保护措施研究   总被引:1,自引:1,他引:0  
李昭君  马剑 《建筑科学》2007,23(9):41-43,47
从古建筑油饰彩画的成分入手,分析光源辐射中红外线和紫外线对其危害的机理.通过实验定量研究了不同照明光源对油饰彩画的破坏程度,并从加强油饰彩画颜料本身防护和新型光源开发应用的角度阐述了保护措施.同时,为照明工作者进行合理、安全的古建筑景观照明设计提供了指导.  相似文献   

7.
文章以建筑类型学和拓扑学为研究对象,重新解读类型的概念和演变,并依次结合拓扑学的性质和变换理论,阐述类型学和拓扑学内两组理论的异同,最后以当代建筑作品为例,具体阐明建筑类型与拓扑相结合的理论实践。  相似文献   

8.
介绍了紫外线消毒技术在二次供水中的应用情况,并进行了二次供水紫外线消毒实验。结果表明:①紫外线消毒会使二次供水中的余氯略有降低,但是仍满足我国《生活饮用水卫生标准》(GB 5749—2006)的限值要求;②紫外线消毒在80 m J/cm2辐射剂量内仅小幅改变水中部分有机物的官能团;③紫外线消毒对二次供水中消毒副产物(DBPs)的浓度和生成几乎没有影响。  相似文献   

9.
该文用拓扑学几何概念与符号学的方法,分析中国古代建筑名著《营造法式》的词汇与语法意义,更为精确与系统地对《营造法式》进行了解读,清晰且深刻地分析了中国古代建筑的符号学意义与建筑构造的叙事话语。  相似文献   

10.
紫外线消毒技术在给排水中的应用   总被引:21,自引:3,他引:21  
阐述了紫外线消毒的工作原理,技术特征及其应用成本,此外还分析了影响紫外线消毒效率的各种因素。国外实际应用的数据表明,紫外线消毒在灭菌效率,杀菌广谱性,消毒副产物,系统应用成本等方面均大大优于化学消毒,该技术在给排水方面的应用将大大提高用水安全性。  相似文献   

11.
提出了地域性建筑设计中双重尺度的设计方法,即形式的拓扑和深层结构的转换。双重尺度的设计方法是以地域建筑原型为基础,从物质和精神两个层面提取原则,既是建筑设计的出发点,又是方案地域性表达反复推敲矫正的尺度。形式的拓扑即场地、形体、平面符号等方面的拓扑,深层结构的转换即美学观念、历史文脉、行为模式等方面的转换。最后选择具有浓郁客家文化特色的工程实例——福建省龙岩火车站,进一步论证。  相似文献   

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14.
This paper explores Australia's multi-level system of governance and considers its implications for urban and regional policy. The paper addresses four main questions about Australian urban governance. In what ways can Australia's federal system of urban governance be contrasted with models in other developed countries? How have shifts in recent decades within Australia's federal system affected urban governance? What have been the main characteristics of change within Australia's state/territory planning systems in recent decades, and to what extent have these affected multi-level governance of space? Finally, what lessons about the strengths and weaknesses of a federal system of urban governance can be drawn from the Australian experience?  相似文献   

15.
李婷婷 《山西建筑》2005,31(20):25-26
探讨了建筑三要素随社会发展程度不同,对建筑产生的作用也是不同的,从拓扑学几何原理出发,以广东省梅州市客家民居为例,分析了适用、经济、美观对建筑的影响与作用.  相似文献   

16.
本文根据兰州的自然环境和气候特征,对兰州建筑中大玻璃窗所带来的能耗大、紫外线损害室内物品等弊病进行了分析。作者介绍了自己在兰州建筑实践中对窗及其立面设计的一些尝试。  相似文献   

17.
Andrea Palladio's Renaissance villas are amongst the most famous and widely studied examples of domestic architecture ever produced. The majority of past research about Palladio's architecture employed historical, mathematical and computational methods to analyse their complex proportional systems and rules. In contrast, this paper examines three of Palladio's arguments about his villas plans which relate to their spatial properties and topological connections. Specifically, this paper uses a computational method – the justified plan graph (JPG) – to test two arguments about the location and significance of the primary salon on the plan, and a third about the extent to which the rooms in Palladio's plans are, as he claims, flexible enough to contain alternative functions. Using ten of Palladio's piano nobile (main floor) plans from I Quattro Libri Dell'Architettura as cases, this paper develops mathematical data to test three hypotheses framed around Palladio's plans and theories.  相似文献   

18.
This paper develops the theme of architecture as symbolic capital, by presenting a detailed story of the design, building and reaction to the London and Westminster Bank's new headquarters in the early 19th-century City of London. In developing a detailed contextual account of the place of this banking institution within the City's changing urban landscape, the paper points to the specific ways in which the architecture of its new headquarters symbolized a struggle for recognition within a hostile and private world. A subtext to the main narrative suggests that the aesthetics of this new bank building played a deeper ideological role too, negotiating the complex and inherently unstable qualities of money itself.  相似文献   

19.
This paper explores the networks of thoughts behind words by reading architectural texts in the context of linguistics. Using a corpus-based model, our main interest is what the collocational data contribute at an architectural level. The notion of “collocation identification in architecture” was drawn from an analysis of the use of the data for Rem Koolhaas. The data for this study were collected from Rem Koolhaas’s articles from 1977 to 2014. An analysis of Koolhaas’s ideas about architecture and urban planning was conducted using the AntConc 3.4.4.0 corpus analysis toolkit. The corpus-based model reduced selected articles to words and lexical bundles using the corpus analysis toolkit. This paper explores Koolhaas’s thoughts on understanding architecture and the metaphors he uses by analyzing articles using the corpus-based analysis model. The discourse codes in the texts of Koolhaas are examined. A corpus-based model proposal tested on architectural texts has the potential to create new areas of knowledge for architectural discourse. Deciphering the texts and analyzing the codes contribute to the development of new models.  相似文献   

20.
This article focuses in detail on the domestic architecture of Indian town-dwellers within the context of provincial urbanisation in British colonial Bengal in the nineteenth century. It maps out the complex development of house-forms in provincial towns particularly in relation to rural-urban mobility and new social relationships brought about by the establishment of colonial governmental infrastructure in interior areas of the Bengal Province. Positing these domestic forms to be as important as the much-studied ‘bungalow’ in terms of typological complexity as well as the range of social, political and economic processes that they represented, the article foregrounds them as being significant spatial models of colonial urban domesticity and modernity. It analyses the development of residential architecture in the light of the varied perceptions of provincial towns held by different constituencies among the urban population—such as European officers or Bengali rural immigrants—from a range of socio-economic classes. It argues that urban-rural mobility and the nature of changing but continuing connections between rural and urban locations created an incrementally growing provincial urban domestic architecture characterised by malleable notions of work, home and leisure spaces. This produced a typological flexibility and specific articulations of public and private domains within residential premises.

The chief purpose of the paper is threefold: first, to make a case for Indian agency in the co-production of colonial architecture and urbanism; second, to argue the role of provincial spatial cultures and house forms as key bearers of colonial modernity; third, to explore colonial architectural history through on-ground mapping of everyday domestic spaces of individual families and varied social groups.  相似文献   

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