基于分层网络的机动时间研究

现有网络计划技术的研究主要针对单层网络,难以有效地指导大型项目的生产.原因在于大型工程项目生产过程复杂,工序成千上万,给对应的网络图描述带来了极大的困难.然而,通过网络分层技术则能把一个复杂的网络分解成多个简单的子网络,即将大型网络过渡到几个简单的单层网络,继而利用单层网络技术对其进行分析.本文依据大型网络的构建过程提出简化组合模型,将多层次复杂网络转化为多个单层次简单网络,在此基础上给出分层网络机动时间的计算公式.最后通过一个实例验证了此方法的正确性和可行性.     

项目进村中村干部角色及村庄治理型态

村干部在村庄治理中扮演着关键角色,但在实践中村干部行为却出现了日益权变的趋向。通过对S省J县7个村庄的项目进村的案例比较研究发现:村庄资源禀赋与公众参与是影响和塑造村干部角色与行为的关键变量。项目进村中,村干部角色在国家“代理人”与村庄“当家人”的制度角色定位中出现了变异或偏移,呈现出“撞钟型”“横暴型”“分利型”“协调型”干部四种行为类型,村庄治理也由此呈现为“沉默秩序”“普力夺秩序”“谋利秩序”和“多元治理秩序”四种治理型态。新时代乡村治理重心下移,对村干部角色具有纠偏和规制效应,促使村干部角色回归其应然位置,促进乡村多元有序治理和良善秩序的生成。     

中央政府支持边远地区的经济项目在立项设计、效益评估方面所涉及到的各种因素

本文从建国后中央政府支持的边远地区经济项目的得与失出发,阐述了这些项目设计立项时应当考虑的各种因素及效益评估办法。     

Large-Scale Urban Projects in Smaller Metro Areas: Towards a Broader Conceptual Perspective

Large-scale projects seem to be as popular in urban politics as they are risky in implementation. Existing research shows a certain bias towards studying projects in large metropolitan regions. The paper aims at extending the scope of research on large-scale urban projects by analysing such projects in a smaller metropolitan area. The case of the city region and country of Luxembourg shows that decision-makers in small metropolitan regions also make use of large-scale urban projects as a planning and place-making instrument. The case is also used to explore methodological approaches of examining the symbolic nature and discursive place-making dimension of planning large-scale projects, and proposes a methodological approach based on constructivist grounded theory and situational analysis of discourses.     

基于低碳经济视角的建设公共工程项目的前提条件评价

将低碳经济发展的要求与公共工程项目建设的前提条件相结合,采用修正的QFD技术这一评价模型,提出一个普适性的、可以有效监督评测建设这类项目的前提需求的评价指标体系。研究表明该评价体系为开展公共工程项目建设前提条件评价提供了参考依据,能够较好地体现低碳经济的需求,使基于低碳经济需求下公共工程项目的建设有针对性,更加科学有效。     

主体资质影响合同效力之理论探析————以建设工程合同为例

通过案例整理发现,现行法律制度中,判定主体资质有瑕疵的建设工程合同无效的理由主要为违反效力性强制性规定和法人行为能力欠缺,但此种认定路径并不合适,以损害社会公共利益为判定理由更具正当性。对于主体资质失而复得从而恢复合同效力的司法解释,无论是法律行为的补正或确认制度,或以主体资质作为法律行为的特别生效要件等学说,都难以成为其理论依据。从保护特殊建筑的法规立法目的的角度,可以判定主体资质嗣后取得的合同有效,但这只能是少数情形。     

建设云南生态安全屏障的科技需求与对策研究

生态安全屏障问题已经成为我国新时期经济社会发展的重大主题之一,而科技对支撑生态安全建设起着举足轻重的作用。云南是我国“两屏三带一区多点”国家生态安全屏障体系中“黄土高原—川滇生态屏障”的重要组成部分,随着云南省桥头堡建设的推进和国家“一带一路”战略的提出,云南省生态安全屏障建设的科技需求进一步增强。云南生态安全屏障建设的科技需求主要体现在促进生态保护、加强生态治理、推进绿色生态发展三个方面。构建云南省生态安全屏障,应以建设生态科技工程为重要载体和主要抓手,从建设跨境生态雨林、跨境河流、沿边生态走廊、天然林、高原湖泊、节能环保、绿色生态庄园、健康照护基地等方面入手来开展工作。     

Fostering CHANGE: Lessons from implementing a multi-country,multi-sector nutrition-sensitive agriculture project

Using agriculture to improve nutrition is an approach growing in popularity, with programs becoming increasingly complex and multisectoral. While there is an active line of research assessing the impacts of such programs, little has been written about the process of successfully implementing them. As such, this paper uses a multisectoral nutrition-sensitive agriculture program implemented in four African countries as a case study to address key challenges in and lessons learned from implementation. We highlight the overall flexibility of nutrition-sensitive agriculture but also the need to adapt certain aspects to the particular context, as well as the opportunities for cross-context learning (and the limits to this). Integrating rigorous evaluation into such complex programs and forging diverse cross-sectoral partnerships offer both rewards and challenges, upon which we reflect. Main lessons learned from the program include the importance of carefully sequencing interventions, retaining flexibility in implementation, allowing for considerable time for cross-sector integration and coordination, and considering community impacts when designing research.     

A governance network perspective on environmental conflicts in China: findings from the Dalian paraxylene conflict

Employing the Governance Network framework, this article presents an in-depth case study of the conflict that evolved from 2003 onwards over the construction and operation of a paraxylene plant in Dalian, China. The study explores the usefulness of this framework as an empirical tool to describe and make sense of policy processes and governance in multi-actor situations in China. The analysis shows the lack of anticipation and deliberation by Chinese governments, resulting in the buildup of citizens’ concerns, mediated by social media beyond government control. This results in an outbreak of protest followed by uncoordinated governmental responses, with high costs for all parties. It is argued that, because of the underlying institutional causes, the challenges are even greater for Chinese governments to come to grips with the increasing need for internal coordination, deal with new social media, and balance economic and environmental values.     

基于CDIO的计算机图形图像类通识课程的建设与实践研究

CDIO工程教育是从"培养什么人"和"怎样培养人"这两个根本问题出发来探索工程教育问题,而大学通识选修课程作为高校本科人才培养课程体系的重要组成部分,以其开设的课程内容丰富,时间相对集中灵活而深受学生的欢迎。在基于CDIO的计算机图形图像类通识课程的建设与实践研究中,依据CDIO的原理,以设计实验项目实例为教学主线,来贯彻和实现CDIO的让学生"在做中学和在学中做"的教学理念及培养方法。