Light emitting diodes and the lighting revolution: The emergence of a solid-state lighting industry

Emergence of new industries from evolving technologies is critical to the global economy, yet has been relatively understudied due to the paucity of available data. This study draws lessons on industry emergence, by analyzing how a solid-state lighting (SSL) industry grew out of light emitting diode (LED) technologies that evolved for half a century, with participation by tens of thousands of researchers in universities, national laboratories, and firms. Using data on publications, patents, and firms combined with business history we trace the evolution of SSL through a succession of market niches. At times a few researchers with unorthodox research approaches made breakthroughs that greatly advanced particular technology trajectories and pushed LED research in unexpected directions. A succession of LED market niches advanced the technology and provided profits to incentivize continuing research while reducing cost and improving efficacy of LEDs. Innovating firms developed a thicket of patents and captured substantial profit, but were embroiled in extensive litigation that was ultimately resolved through cross-licensing. A major new generation of lighting products is now disrupting the traditional lighting industry. Although the leading incumbent lighting firms all invested early and heavily in SSL, the industry's future leadership is uncertain.     

Financial information management for university departments,using open-source software

This paper presents a model to analyse the different outcomes generated by the application of Task-Technology Fit (TTF) theory to economic and financial information management in university departments. This model extends that proposed by Goodhue (1995), in two ways: (i) a key role is played by the manager in designing the technology and in performing the task in question. Both of these aspects can be modified, depending on the evaluation made of a series of characteristics (or dimensions) inherent to the model. (ii) The free dissemination of the source code of the application not only allows the transfer of knowledge, but also creates virtual communities which, through collaborative work and the exchange of experiences, can achieve a better fit of the technology to the task at hand. This model has been introduced in several departments at the University of Granada (Spain), and evaluated in terms of the results obtained at both individual and group levels. This evaluation was conducted by means of in-depth interviews with departmental managers.     

Sustainability transitions: A political coalition perspective

In the case of technology transitions to low-carbon sources of energy, there is growing evidence that even in countries with a strong political consensus in favor of a transition, the pace has been slow in comparison with the need to reduce greenhouse gases. One factor that affects the slowness of the transition is political resistance from the incumbent industrial regime. Using data on the mobilization of resistance from the fossil-fuel industry in the United States, the study builds on the growing literature on the political dimensions of sustainability transitions by drawing attention to the role of incumbent regime coalitions, grassroots coalitions in support of green transition policies, and countervailing industrial power. Case studies of political coalitions for ballot propositions in the U.S. are used to show how countervailing industrial power, especially from the technology and financial sector, can tip the balance of electoral spending in favor of grassroots organizations.     

GP S软件接收机跟踪算法研究

全球定位系统（GPS）软件接收机被广泛应用于卫星信号的精确定位。在接收机跟踪算法中,载波跟踪环路采用了Costas环,以保证对180度相位翻转不敏感;码跟踪环路采用了性能良好的归一化超前减滞后码相位鉴别器,以确保对信号的准确跟踪。最后提出了窄相关技术,在噪声和多径干扰条件下能够有效降低码跟踪误差。     

基于Web数据挖掘的研究与应用

随着Internet的迅速发展及Web的全球普及,数据挖掘技术已经在各个领域、各个行业展现了它的巨大作用。通过分析Web及数据挖掘的特点,列举出数据挖掘在Web基础上的具体应用。     

基于WebGL技术和Oak3D引擎的交互式三维地球模型研究

使用WebGL技术和Oak3D引擎对三维地球进行了模拟。该模型与平台无关,简便高效,使用简单,具有良好的Web交互性,不需要任何浏览器插件支持,对互联网时代的3D可视化实现具有一定的参考价值。     

科技立项评估及信息采集

科技立项评估是为科技计划立项提供决策咨询,其评估质量的好坏取决于评估结论必须要符合科技管理、科技决策原则要求、所在领域的科技规律,必须要有事实依据的支撑,因此相关的信息采集十分重要。本文对尝试科技立项评估及其信息采集的要求、内容、方法、注意问题进行多角度分析。     

神宁集团梅花井煤矿1102206综采自动化工作面开采技术应斥

介绍了梅花井煤矿1102206综采自动化工作面总体设计方案,对其各子系统进行了阐述。分析自动化工作面的采煤工艺,重点介绍了综采自动化工作面自动控制系统的总体设计,分析了自动控制系统的控制原理。建立了地面监控系统,实现对整个综采工作面集中监控。地面监控系统     

港珠澳大桥青州航道桥钢锚箱整体组装技术研究

根据港珠澳大桥青州航道桥钢锚箱的结构特点,介绍其在车间整体组装过程中采取的技术方案,以控制钢锚箱整体组装精度,使钢锚箱成品各部尺寸满足规定要求。     

基于SWOT分析的东莞技术市场发展战略研究

发展技术市场,是东莞抢抓综合性国家科学中心建设战略机遇迫切需求和东莞经济高质量发展的内在需要。东莞亟需推动技术市场发展,为建设创新型城市提供科技支撑。本文运用SWOT理论,分析东莞技术市场发展情况的优势、劣势和面临的机会、威胁,提出促进东莞技术市场发展战略选择：SO战略、WO战略、ST战略和WT战略,针对每一个战略提出相应政策建议,供政府决策参考,从开展技术要素市场化配置改革、建设大科学装置技术交易平台等方面实施SO战略;从开展权属改革试点、设立湾区科技成果转化引导基金等方面实施WO战略;从加快科技成果应用场景建设、构建区域技术交易平台等方面实施ST战略;从加快国家技术转移人才培养基地（广东）建设步伐、健全技术市场制度体系等方面实施WT战略。