浅谈生态理念在现代建筑设计中的应用

本文从探讨生态建筑的概念出发，详细阐述了生态建筑对人们生活的重要意义。接着笔者又深入分析了生态建筑的特点。最后，结合自身多年工作研究经验，笔者在生态理念基础上提出了现代建筑的一些设计理念。     

Economic analysis of two processes for biodiesel production

In this study, two continuous processes for biodiesel production, alkali catalyzed process and solid acid catalyzed process, are discussed with the help of Aspen Plus. By comparing some economic indicators, it can be found that solid acid catalysis could be a good choice for investors in the near future.     

横石水治理方案实施过程中存在问题思考

横石水治理工程治理方案从设计到实施过程中，不但要符合中小河流的治理理念原则，在实施中，还要从施工措施、当地的具体情况和群众要求等多方面思考对治理方案合理的优化与调整，工程施工才能顺利开展和实施，治理后的河流满足当地管理和行洪要求。     

Extending Cognitive Work Analysis for embodiment: ecological psychology,activity theory and Worker Competency Analysis

With the growth of novel embedded technologies, human interaction with ‘smart’ environments will require a comprehensive conceptualisation of the body and embodied cognition. Thus, producing a requirement for work analysis approaches to address the embodied aspects of work systems. Correspondingly, this article presents two interrelated items. First, it extends Cognitive Work Analysis (CWA) on the basis of embodiment, ecological psychology and activity theory. The embodied approach to cognition emphasises that human knowing (cognition) is shaped by the body and behaviour: the body, mind and activity are intricately entwined. In extending CWA for the embodiment, this article presents the second contribution in terms of the ‘embodiment hierarchy’ in the fifth phase of CWA – Worker Competency Analysis, for addressing the constraints related to embodiment. An example in the nanotechnology domain is provided to demonstrate the above-mentioned concepts.     

规划动态性特征分析及其在城市设计中的应用——以聊城市徒骇河两岸规划发展为例

城市功能交界区是城市一体化发展的重点区域,而城市中央滨水区域则是城市"都市生活"的核心区域。在功能交界区的滨水地带向中央滨水区过渡的过程中,滨水区域凭借便利的交通及优越的自然环境,往往成为城市功能角色转变中最大的区域,也是城市规划管理中最具动态性、最难控制的区域。研究以聊城市徒骇河两岸近十年的规划发展为例,分析规划动态性的成因,探究规划动态管理在城市设计中的应用,为规划编制和规划管理提供借鉴与参考。     

TD-20密度控制系统在鸿源选煤厂的应用

通过对PLC系统、密度测量系统、密度控制系统的详细介绍,阐明了TD-20密度控制系统的的组成、功能及理论依据,系统PLC采用西门子S7 300系列,CPU选用适于中等程序处理量的314型号,控制程序采用PID控制理论,通过阿姆德尔同位素密度计在线测量悬浮液密度。该系统在鸿源选煤厂应用后,悬浮液密度控制精度达到了0.5%,实现了对悬浮液密度高精度控制的同时,优化了其它各选煤工艺参数,确保了产品的灰分及回收率等指标,实现了良好的经济效益。     

搭建产学研一体化平台创新强企

北京建工集团创新强企,与清华大学联手,成立了北京市首个集产、学、研于一体的污染场地修复联合研究中心。充分利用了企业与学校的各自强项,优势互补。实践表明,校企结合是企业创新经营模式的有益尝试,为企业带来了主营业务经济效益的提高、社会影响力的提升以及企业创新能力的升华。     

白云新城北部延伸区工程地质分区及评价

以白云新城北部延伸区工程地质勘察与地质环境质量评价为例,在综合分析规划区工程地质条件的基础上,对规划区工程地质分区的影响因素进行了探讨,并对规划区进行了工程地质分区及评价,为工程建设提供了依据。     

深圳市海水入侵形成原因分析

在分析海水入侵形成机理的基础上,从特殊地质环境及相关自然因素和人类工程经济活动两大方面分析了深圳市海水侵入的原因,启示我们在大力发展经济建设时,应统筹考虑对人类生存的自然环境的保护,不能以牺牲生态环境来换取经济效益。     

Study of the combustion behaviour and temperature of pulverised coal in a tuyere zone of blast furnace

The combustion behaviour and temperature of pulverised coal in a tuyere zone of the blast furnace could benefit to adjust the operation parameters, assure the stable state as well as maintaining high quality of hot metal of the blast furnace. However, there have been rare studies about this subject. In this paper, the digital imaging system based on the colour charge coupled device within gas-cooling and dustproof functions was established to capture the combustion radiation in the tuyere zone. For instance, images of tuyere zones of 2000 and 2500?m³ blast furnaces were detected through a peephole in front of the blowpipe by the application of digital imaging and image processing techniques, and the temperature distributions were also calculated. Some measurements were used to improve the accuracy of the results, and the combustion behaviour was also analysed.