乌蒙山片区绿色减贫指数分析

[目的]通过分析2012年和2014年乌蒙山片区绿色减贫指数,评价该地区不同年份扶贫效果,这也为今后各项扶贫政策的实施提供理论参考。[方法]文章依据中国绿色减贫指数指标体系,从经济增长绿化度、资源利用与环境保护程度、社会发展能力和扶贫开发与减贫效果4个方面,以人均地区生产总值、单位地区生产总值能耗等27个因子作为评价指标,利用线性加权综合法分析2012年和2014年经济增长绿化度、资源利用与环境保护程度、社会发展能力和扶贫开发与减贫效果指标值,最终确定绿色减贫指数。同时,分析片区内各贫困县波动较大的第三产业增加值比重、单位耕地面积化肥施用量、城乡收入比和农村人均纯收入增长率等指标。[结果]2014年相比2012年,乌蒙山片区经济增长绿化度、资源利用与环境保护程度和扶贫开发与减贫效果指标值上升,社会发展能力指标值降低,绿色减贫指数提高了15.40%。各县第三产业比重均降低,但农村人均纯收入都有提高。四川省10个县单位耕地面积化肥施用量增加。四川省除叙永县和美姑县,贵州省除赤水市,片区内的各贫困县城乡收入比降低。[结论]2014年,乌蒙山区在落实国家扶贫规划上取得了较好的成效。但各县之间差距较大,在今后的扶贫攻坚中,需要从不同地区的实际情况出发,了解贫困类型和贫困程度,考察当地资源储备和环境现状,统筹区域发展。     

通用机场运行安全保障能力评价研究

通用机场正处于难得的历史机遇期.为了促进其健康发展,从根本上改进通用机场可能存在的安全漏洞,着重分析了通用机场的运行安全特性,强化过程管理,构建安全保障能力评价指标体系,将变权综合法应用到该评价中,计算出评价体系的综合评价值,并通过实例验证该方法的可行性.研究成果可为中国通用机场提升安全管理水平提供参考.     

The Role of Dialectical Interrogation in Review Studies: Theorizing from What We See Rather Than What We Have Already Seen

Review-centric works receive increasing attention for generating insightful contributions to management and organization studies. Despite this, the literature on theory building has taken little note of their place in the theorizing process. This deserves attention, however, given the challenges reviews face in theorizing in the absence of new empirical observations. Accordingly, these works run the risk of merely summarizing ‘what we have already seen’, instead of ‘maximizing what we see’. Drawing on the strategies of theorizing from similarities and theorizing from anomalies, we propose dialectical interrogation as a critical step in theorizing through which review scholars imaginatively engage in a back and forth inquiry between the phenomenal world of a given field and existing theory. By analysing selected review studies from top management journals, we reveal that theorizing outcomes occur through two ways of dialectical interrogation (consolidative and disruptive). We contribute by demonstrating that review scholars can enter into powerful theorizing through the consolidative or disruptive interrogation of the review data with extant theory to detect emergence and novelty alongside puzzles, conflicts and paradoxes. Dialectical interrogation can address the shortcomings of current theorizing in review-centric works and bears potential for advancing theories of management and organization studies.     

采用遗传算法的MIMO雷达L型阵列稀布优化

针对多输入多输出（MIMO）雷达阵列稀布导致栅瓣效应的问题,研究了L型阵列方向图综合方法。通过在发射和接收阵列的阵元位置中引入随机扰动,同步优化收发阵列,对MIMO雷达Ｌ型阵列等效构造的虚拟矩形平面阵列进行二维方向图综合,并且对遗传算法的变异算子进行改进,提高全局搜索性,从而有效抑制栅瓣,降低二维合成方向图中方位维和俯仰维的峰值旁瓣电平。仿真实验证明了所提算法的有效性。     

威海市海洋渔业资源可持续利用评价研究

全面收集整理了2007-2015年威海市渔业资源、经济和社会统计数据,在分析海洋渔业资源特点基础上,利用层次分析法原理构建了威海市海洋渔业资源可持续利用评价指标体系,该指标体系包括资源环境子系统、社会子系统和经济子系统3个层次的24个指标,采用层次分析法确定各指标的权重,应用层次灰色综合评价模型首次定量评估了2007-2015年威海市海洋渔业资源可持续利用水平。结果表明:2007年,威海市海洋渔业资源可持续利用综合评价值为0.45,2008年,评价值降至近9年的最低值0.15,仅为2007年的33.2%,2009年评价值回升到0.48,2010年,再次下降到较低的水平0.17,仅为2009年的35.9%,2010-2014年评价值一直维持在极低的水平,海洋渔业资源可持续利用水平一直处于较低的状态,2015年,评价值达到最大值0.82,是最低值的5.54倍,海洋渔业资源可持续利用水平明显提高。     

中国企业战略管理四十年（1978—2018）：回顾、总结与展望

本文对中国企业战略管理四十年来的发展历程进行了系统的回顾、总结和展望。首先以关键事件为线索将中国企业战略管理的发展历程划分为萌芽和产生（1978—1991年）、发育和确立（1992—2001年）以及成长和国际化（2002年—）三个阶段，并从企业实践和学术研究与学科发展两个重要方面梳理了发展的脉络；其次，总结了中国企业战略管理的发展成就，同时结合企业面临的新环境和新形势着重反思和展望了“战略稳定和战略变革”“西方范式和中国范式”以及“实践导向和理论导向”三个企业实践、学术研究和学科发展上的双元问题。本文对于了解和理清中国企业战略管理的发展历史具有重要意义，并对企业战略管理的实践、研究和教育具有一定的启示作用。     

Bayesian forecasting of electoral outcomes with new parties’ competition

We propose a new methodology for predicting electoral results that combines a fundamental model and national polls within an evidence synthesis framework. Although novel, the methodology builds upon basic statistical structures, largely modern analysis of variance type models, and it is carried out in open-source software. The methodology is motivated by the specific challenges of forecasting elections with the participation of new political parties, which is becoming increasingly common in the post-2008 European panorama. Our methodology is also particularly useful for the allocation of parliamentary seats, since the vast majority of available opinion polls predict at national level whereas seats are allocated at local level. We illustrate the advantages of our approach relative to recent competing approaches using the 2015 Spanish Congressional Election. In general, the predictions of our model outperform the alternative specifications, including hybrid models that combine fundamental and polls models. Our forecasts are, in relative terms, particularly accurate in predicting the seats obtained by each political party.     

X频段信标机的设计与实现

为满足船载X频段测控设备信道相位修正和伺服性能检查的需要，设计并研制了一款X频段信标机。首先，选用HMC765LP6CE芯片，利用频率合成技术设计了信源并通过通用串行总线（USB）实现了发射频率用户自定义；其次，针对安装平台面积小的限制，基于高频结构仿真器(HFSS)设计了高次模微带天线并完成了仿真分析和指标优化；最后，完成了X频段信标机的工程实现并给出了硬件电路结构和软件程序设计方法。经测试,该信标机锁相效果良好，控制简便，性能可靠,满足用户使用要求。     

Competitive and Comparative Advantage: Towards a Unified Theory of International Trade

The field of international business/economics is largely dualistic in nature. On one hand is the economics literature which has, for two centuries, focused on the notion of comparative advantage (technology, factor proportions) while on the other is the business literature which has recently developed the concept of competitive advantage. This paper presents a reconciliation of the two based on global value chain/supply chain analysis and the concept of vertical comparative advantage. It is shown that the theory of competitive advantage's epistemological comparative advantage lies with its ‘how to’ approach to developing an advantage, while the theory of comparative advantage's epistemological comparative advantage lies with its account of ‘what is’ and that both are complementary. However, it is also argued that the failure to recognize this complementarity as well as the shortcomings of each have prevented and continue to prevent the emergence of an integrated, empirically-consistent theory of international trade – in short, prevented us from taking advantage of the gains from epistemological trade.     

浆态床一步法二甲醚产业化技术突破与进展

介绍了清华大学与重庆英力燃化有限公司合作开发的燃料级二甲醚合成中试研发进展。采用新型循环浆态床反应器一步法合成二甲醚技术取得了实质性突破，并获得了良好的中试结果：CO单程转化率达到60％以上，DME选择性达到94％，明显优于APCI和NKK的浆态床二甲醚合成工艺。