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城市规划问题是一个典型的复杂适应系统(complex adaptive system,CAS)问题。本文首先介绍了CAS理论的基本概念和特点,以及ABMS建模仿真方法;其次,重点介绍了基于CAS理论的建模仿真在城市复杂系统的应用;最后,提出了存在的问题以及建议。 相似文献
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《中国科学院院刊(英文版)》2003,17(3):142-144
The Executive Committee of the CAS Presidiumsets the consultative work on the State long- andmedium-term S&T development plan the top pri-ority for the CAS Academic Divisions (CASAD) in thecoming two years. This was announced at the secondsession of the fourth CAS presidium executive commit-tee convened on June 10 in Beijing.Chinas national long- and medium-term S&T de-velopment plan is an all-inclusive deployment documentfor S&T activities in the next 15 20 years in China.It addr… 相似文献
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《中国科学院院刊(英文版)》2003,17(2):65-66
CAS and the Max Planck So-ciety (MPS) held a work-shop on cooperation strat-egy April 3 4, 2003 at the CASShanghai Institutes for BiologicalSciences (SIBS). The event includeddiscussion on S&T policies and stra-tegic plans, exchange of bilateral co-operation experiences, and advice onseizing opportunities and takingchallenges.In his speech, CAS Vice Presi-dent Chen Zhu talked about theThree Strategies and Three-StepPlan of CAS. He expressed the CASwishes of seeing more, fruitf… 相似文献
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条件接收系统(CAS)是数字化平台实现服务的基础,它的专用技术对有线电视运营商来说会影响其发展方向和经营效益。本文介绍了数字电视条件接收系统的工作原理及组成,并对条件接收系统的应用进行了分析。 相似文献
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《中国科学院院刊(英文版)》2004,18(1):19-19
As part of China‘s S&T system reform and national.Knowledge Innovation Program (KIP) spearheaded by CAS, an effort to downsize the administration at the CAS headquarters has made significant progress,Vice President Yang Bailing announced at a conference for posi 相似文献
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《中国科学院院刊(英文版)》2004,18(1)
As part of China's S&T system reform and national Knowledge Innovation Program (KIP) spearheaded by CAS, an effort to downsize the administration at the CAS headquarters has made significant progress, Vice President Yang Bailing announced at a conference for position-engagement at the CAS headquarters on Nov. 4 in Beijing.As a result of three rounds of institutional and structural adjust- 相似文献
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中国科学院科技布局研究组 《中国科学院院刊》2007,22(2):89-103
本文从领域方向、研究机构地域分布和在创新价值链中工作性质三维坐标的新视角,研究归纳了国际重要科研团体科技布局调整的有益经验,系统梳理了我院科技布局调整的发展历程,总结了知识创新工程以来我院科技布局调整的经验与做法,分析了存在的问题,提出了抓住当前重要机遇期深入推进科技布局调整的主要思路和政策措施,完整表达了科技创新价值链理论及我院的定位,就科技创新基地建设、院属研究机构布局调整、加强联合合作优化科技布局、新建研究单元、建立我院科技布局自觉持续调整机制等提出了政策建议。 相似文献
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中国科学院科技评价研究组 《中国科学院院刊》2007,22(2):104-114
本文从评价对象、内容和方法三维视角,分析归纳了国际科技评价的特点与趋势及世界知名科研团体各具特色的科技评价。回顾总结了中国科学院科技评价的实践经验,分析了存在的问题。提出了科技评价的美国模式和欧洲大陆模式,提出要探索适合中国科学院特点的科技评估模式,制定评价管理规范,重点开展支撑战略管理的科技评价、促进研究所竞争发展的科技评价和体现政策导向的专项科技评价等政策建议。 相似文献
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《Research Policy》2022,51(3):104471
Technology transfer systems (TTSs) and modes of national research institutes (NRIs) have become increasingly significant in shaping national innovation systems. However, few studies have addressed this issue in the context of emerging economies. To fill this research gap, this paper explores the TTSs and modes of Chinese NRIs based on a case study of the Chinese Academy of Sciences (CAS). We clarify the institutional factors that influence the adoption of an academy-branch-institute-level TTS, reveal the policy-driven evolvement of this multi-level TTS, and elucidate the operational mechanisms of the TTS. We find that the effective collaboration between the actors within or across the three levels of the TTS could enhance the functions of integration management, science and technology (S&T) resource allocation, and public research and development. Through a thematic synthesis approach, we identify three technology transfer modes of the CAS. These three modes exhibit an evolutionary sequence from the CAS-region cooperation mode to the incubation ecosystem mode and then to the platform-driven mode, following the progress of the Chinese S&T system reform and the repositioning of the CAS mission. These modes have diverse demands for technological cognition and resource allocation capability that can be satisfied by the co-specialised interaction among the three levels of the TTS. Apart from the theoretical implications for technology transfer studies, our findings provide managerial implications for guiding technology transfer from NRIs. 相似文献
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通过对中科院科技支撑西藏樟木地质灾害防治有关情况的介绍,以及对协同创新的思考,阐明了在科技驱动地方发展的过程中,如何实现从需求中挖掘科学问题,发挥"政产学研用"的综合优势,通过创新成果促发展的链条设计,为发挥科技创新在国家和地方经济社会发展中的重要支撑作用提供借鉴和启示。 相似文献
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生物计算机是以核酸分子作为"数据",以生物酶及生物操作作为信息处理工具的一种新颖的计算机模型。生物计算的早期构想始于1959年,诺贝尔奖获得者Feynman提出利用分子尺度研制计算机;1994年,图灵奖获得者Adleman提出基于生化反应机理的DNA计算模型;在生物计算机方面突破性工作是北京大学在2007年提出的并行型DNA计算模型,将具有61个顶点的一个3-色图的所有48个3-着色全部求解出来,其算法复杂度为359,而此搜索次数,即使是当今最快的超级电子计算机,也需要13 217年方能完成,该结果似乎预示着生物计算机时代即将来临。文章重点介绍了生物计算机的产生背景及意义;DNA计算机,特别是中州I-型DNA计算机的基本原理、计算方法与步骤;DNA计算机的研究进展,特别指出在密码分析与破译等领域的应用;分析了DNA计算机的能力,指出了研究中的难点、发展趋势,最后对我国生物计算机发展提出了一些建议。 相似文献
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《中国科学院院刊(英文版)》2008,22(1):2-3
CAS should stick to the principle of rendering service to, and giving impetus for, the development of China's science enterprise by making S&T innovations, said CAS President LU Yongxiang. The CAS president made the remarks in a recent talk to communicate the gist of the winter session of the Party's Leading-member Group at CAS, which was held from 7 to 11 January in Beijing. 相似文献
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《中国科学院院刊(英文版)》2004,18(1):10-10
CAS President Lu Yongxiang and CAS Vice President Chen Yiyu paid a visit to Tibet from July 10 to 17. They exchanged ideas with leaders of the region on S&T cooperation between the two sides and the establishment of a CAS institute of the Qinghai-Tibet Plateau research.During their trip, Lu and Chen met with the Institute administrators in Nyingchi, a district in southeast Tibet, and listened to the report by 相似文献
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中国科学院作为“国家队”“国家人”,必须心系“国家事”、肩扛“国家责”。中国科学院理化技术研究所作为国立科研机构,如何在国家未来发展中发挥更大作用?文章在深刻认识科技“国家队”的责任与使命的基础上,从加强顶层计、明确发展规划、恪守使命定位、凝练科研方向、优化体制机制等方面,概述了中国科学院理化技术研究所立足自身优势,聚焦国家需求,服务国家战略,打造专业领域的“国家队”的实践和思考。 相似文献