庄子摆脱社会之困的方法论探讨及其生态解读     

王素芬  丁全忠 《保定学院学报》2017,30(1)

庄子认为，人的一生都面临着命运、社会、自我以及环境等因素带来的难以摆脱的困境。其中，社会之困主要是指时势、儒家仁义等对人的限制或束缚。庄子对时势之困采取了安时处顺、无为而治的消解方法，对仁义之困采取了法天贵真、掊击圣人、以道释儒的化解策略。在庄子所采取的摆脱社会困境的种种策略和方法中所贯穿的都是顺物自然的生态学原则。  相似文献   

Timescales for exploratory tactical behaviour in football small-sided games     

Angel Ric  Robert Hristovski  Bruno Gonçalves  Lorena Torres  Jaime Sampaio  Carlota Torrents 《Journal of sports sciences》2016,34(18):1723-1730

The aim of this study was to identify the dynamics of tactical behaviour emerging on different timescales in football small-sided games and to quantify short- and long-term exploratory behaviour according to the number of opponents. Two teams of four professional male footballers played small-sided games against two different teams with a variable number of opponents (3, 5 and 7). Data were collected using a combination of systematic observation and a non-differential global positioning system (15 Hz). The temporal diversity and structural flexibility of the players were determined by calculating the dynamic overlap order parameter q, entropy and trapping strength. Analysis of the exploratory dynamics revealed two different timescales, forming a different metastable landscape of action for each constraint. Fast dynamics lasted on average a few seconds and consisted of changes in tactical patterns. The long timescale corresponded to the shared tasks of offence and defence lasting tens of seconds. The players’ tactical diversity decreased with an increasing number of opponents, especially in defence. Manipulating numerical imbalance is likely to promote changes in the diversity, unpredictability and flexibility of tactical solutions. The fact that the temporally nested structure of constraints shaped the emergence of tactical behaviour provides a new rationale for practice task design. The manipulation of numerical imbalance on the timescale of a few tens of seconds, on which the exploratory behaviour of players saturates, may help coaches to optimise the exploratory efficiency of the small-sided games.  相似文献   

民营企业融资约束的异质性与收敛性分析:来自沪深A股的经验数据     

戴瑞姣 《教育教学论坛》2019,(26):64-65

以2007-2017年我国沪深A股的上市民营企业为研究对象,通过计算SA指数,考察我国民营企业融资约束的异质性和收敛性。研究发现,民营企业普遍面临着较为严重的融资约束,区域异质性体现不明显,行业异质性存在,民营企业的融资约束呈现σ-和β-收敛。  相似文献   

大学适度规檩的取值条件分析     

刘志民 《黑龙江高教研究》2004,(11):6-9

规模经济理论被应用于大学适度规模研究，是基于大学资源优化配置后能产生规模效益的认识，已经采用的研究方法主要有：统计成本分析法、适生存检验法和MR与MC分析法。规模经济理论及研究方法的局限性及高等教育的特殊性，使得大学最小有效规模或最佳规模的研究结果有很大差异。因此，大学在选择适度规模时应综合考虑基本办学条件、学校发展定位、教育市场需求等约束条件，根据自身资源利用与再生潜力确立一个相对合理的规模区间。  相似文献   

Being and becoming a university teacher     

Wendy McMillan 《高等教育研究与发展》2017,36(4):777-790

This study examined how one academic framed the enablements and constraints to her project of being and becoming an academic. Complexity facilitated reflection in that it provided a visual representation of data, which was used to generate a concept map, which represented as equal all the component parts of her landscape. Five spaces with emancipatory potential to assist the academic in her professional development emerged, namely: communities of practice, academic freedom, position statements, development opportunities and a supportive environment. Rather than suggesting any generalisability in the findings, the authors argue that the significance of this study is theoretical and methodological. Complexity theory has the potential to help academic development practitioners understand the landscapes in which their academics operate, and guide appropriate development opportunities.  相似文献   

投资现金流敏感性研究：国内外文献综述     

郭强 《齐齐哈尔师范高等专科学校学报》2011,(5):99-102

投资现金流敏感性研究是现代企业投资理论研究的热点。本文通过回顾投资现金流敏感性研究的国内外相关文献,主要介绍了投资现金流敏感性研究的理论基础,研究的方向、采用的实证模型以及动因甄别方法和计量方法,最后对投资现金流敏感性分析提出建议,以期对进一步的相关研究提供参考。  相似文献   

任务教学法在商务英语教学中的应用     

朱曦 《牡丹江教育学院学报》2007,(5):136-138

从任务教学法的理论基础入手,阐述了任务教学法对商务英语教学的意义,并根据商务英语的教学内容和教学目的,设计了讨论会、商务洽谈、商务介绍、案例分析等几种任务模式,分析了任务教学法的制约因素并探讨了其实施措施。  相似文献   

损失规避下的指数跟踪问题及其粒子群算法求解     

李惊雷  胡支军 《贵州教育学院学报》2011,(6):6-10

随着指数衍生产品日益受到重视,指数化投资组合常被传统的消极基金管理者或机构所采用,而用有限的资金按指数构成比例进行投资显然是不现实的,所以指数的最优误差追踪就显得更加重要。将追踪误差定义为证券投资组合收益率与所追踪的指数基准收益率之差的均值平方和的平方根,建立了基数约束（即总资产数不超过某个特定整数K）下考虑投资者损失规避决策偏好的跟踪误差最小化模型,并设计了一个粒子群算法求解模型。实际算例表明,所构建的模型和算法是有效的。  相似文献   

基于制度构成要素的公共管理制度创新研究     

许广路 《江苏经贸职业技术学院学报》2011,(4)

公共管理制度体系由正式约束、非正式约束和实施机制组成,公共管理制度创新必须综合考虑这三个要素的特征与功能。现阶段,应高度重视我国公共管理正式约束的创新作用,特别是正式约束的形成机制;应促进非正式制度的变革创新,使之与正式制度变迁相互协调。完善有效的实施机制是制度创新成功的关键。  相似文献   

Preparation time influences ankle and knee joint control during dynamic change of direction movements     

Patrick Fuerst  Albert Gollhofer  Dominic Gehring 《Journal of sports sciences》2017,35(8):762-768

The influence of preparation time on ankle joint biomechanics during highly dynamic movements is largely unknown. The aim of this study was to evaluate the impact of limited preparation time on ankle joint loading during highly dynamic run-and-cut movements. Thirteen male basketball players performed 45°-sidestep-cutting and 180°-turning manoeuvres in reaction to light signals which appeared during the approach run. Both movements were executed under (1) an easy condition, in which the light signal appeared very early, (2) a medium condition and (3) a hard condition with very little time to prepare the movements. Maximum ankle inversion angles, moments and velocities during ground contact, as well as EMG signals of three lower extremity muscles, were analysed. In 180°-turning movements, reduced preparation time led to significantly increased maximum ankle inversion velocities. Muscular activation levels, however, did not change. Increased inversion velocities, without accompanying changes in muscular activation, may have the potential to destabilise the ankle joint when less preparation time is available. This may result in a higher injury risk during turning movements and should therefore be considered in ankle injury research and the aetiology of ankle sprains.  相似文献