流动人口二代研究:概念、挑战与进路

人口流动对中国社会的复杂性、持续性影响,要求我们不仅要关注流动人口本身,还要关注流 动人口的子代群体,即本文所说的“流动人口二代”。 尽管既有研究提出了一些与“流动人口二代”近似 的概念,并在代际传递视角下围绕代际关系、身心健康、教育状况、职业发展、社会融入等方面开展了经验 研究,但这些研究都没有直接针对这一群体全貌展开系统考察,没有给出流动人口二代的群体画像、总体 特质,也没有对影响流动人口二代发展的社会事件与生命历程展开讨论。 鉴于此,本研究提出要着眼于 流动人口二代生命历程,聚焦流动人口二代生命历程中的健康风险、聚焦数字化场域下的流动人口二代 职业新发展、聚焦人口结构性变迁背景下的流动人口二代家庭化问题、聚焦新时代新形势下的流动人口 二代社会融入问题、聚焦新型城镇化情境下的流动人口二代政策保障,思考流动人口二代研究的总体性 框架与发展进路。     

传统音乐在学校的传承：国际议题和挑战

传统音乐是每个国家都具备的文化元素之一，透过学习和传承传统音乐，可以有效继承和发展自身的本土文化；然而传统音乐在学校课程中面对多方困难和挑战，亚洲各国多以西方音乐作为学校音乐课程的主导，传统音乐则被边缘化。本文先审视传统音乐在当代音乐环境中面临的困境，再介绍一个全面了解音乐传统的理论架构，从而了解不同的音乐传统的独特性和价值，提出音乐文化并无高低之分，并寄语有关当局重新审视本土传统音乐文化在学校教育中的价值和地位。     

Longitudinal Mediators of Relations Between Family Violence and Adolescent Dating Aggression Perpetration

Few longitudinal studies have examined the pathways through which family violence leads to dating aggression. In the current study the authors used 3 waves of data obtained from 8th‐ and 9th‐grade adolescents (N = 1,965) to examine the hypotheses that the prospective relationship between witnessing family violence and directly experiencing violence and physical dating aggression perpetration is mediated by 3 constructs: (a) normative beliefs about dating aggression (norms), (b) anger dysregulation, and (c) depression. Results from cross‐lagged regression models suggest that the relationship between having been hit by an adult and dating aggression is mediated by changes in norms and anger dysregulation, but not depression. No evidence of indirect effects from witnessing family violence to dating aggression was found through any of the proposed mediators. Taken together, the findings suggest that anger dysregulation and normative beliefs are potential targets for dating abuse prevention efforts aimed at youth who have directly experienced violence.     

Optimization of Cascade‐Resilient Electrical Infrastructures and its Validation by Power Flow Modeling

Large‐scale outages on real‐world critical infrastructures, although infrequent, are increasingly disastrous to our society. In this article, we are primarily concerned with power transmission networks and we consider the problem of allocation of generation to distributors by rewiring links under the objectives of maximizing network resilience to cascading failure and minimizing investment costs. The combinatorial multiobjective optimization is carried out by a nondominated sorting binary differential evolution (NSBDE) algorithm. For each generators–distributors connection pattern considered in the NSBDE search, a computationally cheap, topological model of failure cascading in a complex network (named the Motter‐Lai [ML] model) is used to simulate and quantify network resilience to cascading failures initiated by targeted attacks. The results on the 400 kV French power transmission network case study show that the proposed method allows us to identify optimal patterns of generators–distributors connection that improve cascading resilience at an acceptable cost. To verify the realistic character of the results obtained by the NSBDE with the embedded ML topological model, a more realistic but also more computationally expensive model of cascading failures is adopted, based on optimal power flow (namely, the ORNL‐Pserc‐Alaska) model). The consistent results between the two models provide impetus for the use of topological, complex network theory models for analysis and optimization of large infrastructures against cascading failure with the advantages of simplicity, scalability, and low computational cost.     

保温层的临界热绝缘直径

通过对传热速率随保温层直径增加而变化的讨论,得出结论,保温层直径必须大于保温层的临界热绝缘直径,才能降低热损失。     

国际油价波动对国内消费物价水平传导非对称研究

中国原油定价机制逐步市场化,国内与国际油价的关联性大大提高。以研究国际油价波动对中国消费物价水平的传导为研究目的,以2007年1月-2015年12月为样本区间,从国际油价对CPI的传导机理入手,依据传导性质划分为直接传导和间接传导两条传导路径,并以此作为研究框架。以协整和非对称误差修正模型（APT-ECM）为主要研究方法,结合Wald检验和脉冲响应函数分析方法,深入剖析实际传导过程及其特征。实证结果表明,国际油价对国内消费物价水平的传导包括垂直传导和空间传导。受多种因素影响,实际传导效应在油价波动方向、波动幅度和传导速率方面表现出不同程度的非对称性特征。     

人员流动对组织间隐性知识共享影响研究

促进组织间隐性知识共享是一个企业取得成功的关键.隐性知识和人与人之间传染病的传播途径非常相似,主要是通过人与人之间的直接接触进行传播的.文章受传染病动力学建模思想的启发,针对有人员相互流动的两个组织,并考虑员工的引入和离职,构建了两组织间的隐性知识传播动力学模型,给出区分实现组织间隐性知识共享与否的阈值,并对模型进行数值仿真以验证所得理论结果的正确性.从理论性定量研究的角度说明,在两组织间适当进行人员流动能有效促进组织间隐性知识共享,而如果人员流动不合理则会起到抑制作用.     

论数字化技术发展与著作权法律制度创新

主要探讨了数字化技术发展及数字化作品的界定、数字化作品与著作权客体的创新、数字化作品创作中的著作权冲突和网络传输与数字化作品传播权等问题,指出我国应在扩大著作权保护客体、建立著作权集体管理体制、确认网络传输的公开传播权属性等方面予以创新,并充分关注著作权国际保护的基本趋势,采取积极应对措施,以增强我国著作权保护制度在数字化时代的适应性。     

适应开放式教学的物流实训基地建设研究与实践

随着现代传媒技术的发展,动漫作为一种新兴的产业文化正日益蓬勃地发展。日本动漫以其制作精良、形象生动的特点占据了中国大部分的动漫市场,吸引了众多的青少年,而借助动漫,日本文化也在潜移默化中灌输给了青少年。文章试图分析日本动漫在中国的传播现状以及对中国的影响,从而提出面对日本动漫的冲击,中国动漫界应对的措施。