基于区域异质性理论的兵团人力资源开发与管理问题研究

对于新疆生产建设兵团（以下简称兵团）的经济发展来说,物质、资本和人类三方面资源是重要条件。就目前兵团经济发展的情况来看,人力资源是其经济发展的瓶颈,因此,要从根本上改变兵团人力资源现状,即努力做好区域人力资源开发与管理工作。目前有许多文章都是从宏观（国家）层面或者从微观（企业或学校）层面来分析人力资源开发与管理问题,往往忽视了区域异质性。本文将从中观角度,即从兵团的人力资源能力异质性角度来分析该地区人力资源现状及其存在的问题,最后为如何进行兵团人力资源开发与管理提出几点对策和建议。     

简述β系数的发展历程

在资本市场发展演变与实践过程中,正确度量投资风险一直是金融研究领域的核心问题。Sharpe（1964）等人在Markowitz投资组合理论的基础上推出资本资产定价模型（Capital Asset Pricing Model,CAPM）。此后这个模型广泛地应用在各个投资机构,基金管理,风险组合管理上。因而CAPM的关键因子：β系数的计算、性质以及如何能更好的实际应用就显得尤为重要,因此本文就β系数的定义、发展和β系数在中国的应用提出了一些看法。     

Humorous Relations: Attentiveness,pleasure and risk

Abstract

This article focuses on the structures of humor and joke telling that require particular kinds of attentiveness and particular relationships between speaker and audience, or more specifically, between classmates. First, I will analyze the pedagogical and relational preconditions that are necessary for humor to work. If humor is to work well, the person engaging in humor needs to gauge their interlocutors carefully. I discuss, too, the kinds of listening necessary for listening for the joke, including attentiveness to complex possibilities for meaning. This attentiveness to complexity is linked to curiosity and a willingness to be startled, two qualities that are central to the risk and pleasure of learning discussed by Socrates and Maria Lugones. Examining the place of risk in Socrates’ teaching and the place of serious play in Maria Lugones’ discussion of difference, I suggest that humor can help to illuminate complicities and invite more robust interactions with difference, creating pleasurable encounters to work through difficult social divisions.     

Three educational values for a multicultural society: Difference recognition,national cohesion and equality

Educational aims for societies comprising multiple ethnic, cultural and racial groups should involve three different values—recognizing difference, national cohesion and equality. Recognition of difference acknowledges and respects ethnocultural identities and in educational contexts also encourages mutual engagement across difference. National cohesion involves teaching a sense of civic attachment to a nation and to one’s fellow citizens of different groups and identities. ‘Multiculturalism’ has traditionally been understood to support the first value but not as much the second, a charge made by ‘interculturalism,’ a newer idea in Europe and francophone Canada. But Tariq Modood, this year’s Kohlberg Memorial Lecturer, has argued that national integration has always been a goal of multiculturalism. However, neither multiculturalism nor interculturalism has placed sufficient emphasis on equality as a social and educational ideal. Equality is a complex idea that involves both equal treatment by teachers of students from different groups, and also relative equal student outcomes among different groups.     

词块教学引起的有意注意效能性的实证研究

Schmidt的“有意注意假说”（Noticing Hypothesis）认为强迫性输出即通过讲解、提问和反馈可提高学习者有意注意的强度,从而有效增强学习者的语言输出效率和准确性。然而在实际运用之中却发现学习者的性别差异以及现有不同语言能力在很大程度上影响到了有意注意的效能。除讲解、提问和反馈外,从语言本身即语言形式出发,如词块教学是否同样可以引起学生的有意注意。文章以非英语专业学生为对象,通过一系列的语言实验,对相关数据进行统计分析找出干预有意注意效能发挥的因素及词块教学和有意注意之间的联系,从而更好地把有意注意理论应用到大学英语教学中去。     

三维QED中的动力学手征对称破缺(英文)

为了研究非微扰理论中的传播子行为,以及协变规范对其行为的影响,以常用的截断方案下的DysonSchw inger方程为基础,采用数值联立求解的方法研究了三维量子电动力学(QED)中的费米子和玻色子的行为,并获得了一系列不同规范下费米传播子在Nambu和Wigner相中的自洽解.对这些数值解的分析表明,远离Landau规范的红外区处,传播子行为明显不同于Landau规范中的行为.基于Nambu和Wigner相中的不同规范下的传播子,进一步对等效压力差和费米凝聚随规范参数的变化做了比较,结果表明,采用CJT等效势描述的相变与手征凝聚描述的手征相变两者之间不完全自洽.     

屋面雨水利用系统量化评估中径流系数的取值(英文)

为了实现屋面雨水利用系统量化评估中径流系数的精确取值,通过连续3年(2010—2012年)对河北省邯郸市不同屋面类型(屋面坡度和材料)及降雨特征(降雨深度和强度)的屋面径流进行实地监测,得到了各场实际降雨屋面径流系数的不同取值.研究结果表明,屋面径流系数的取值分布与各降雨事件的降雨深度相关性较强,其他影响因素对其影响较小.场次径流系数的取值与降雨深度呈显著的分段线性关系.根据1960—2008年的日降雨数据资料,计算得出邯郸市年均屋面径流系数可近似按照0.62这一常数进行取值.该研究成果可用于屋面雨水利用系统的量化评估及运行分析.     

越江公路隧道浅埋段地温长期演化的数值预测(英文)

在考虑并行隧道耦合传热的前提下,预测越江公路隧道江岸浅埋段地温的长期演化,使用有限差分法进行数值模拟,通过现场观测与数值迭代方式确定边界条件与初值.模拟结果表明:最终的计算稳定传热时间为68年,但传热在20年内即基本完成;隧道周围的初始恒温土层最终被转变为年变温土层;隧道外侧5 m及两孔之间出现了一个显著变温区,其最大温升值为7.14℃,最大年度温升的峰谷值为10℃;隧道周围10 m以下土层的温度变化仅由隧道传热所控制;两孔之间土层的最终稳定温度要高于其他位置的最终稳定温度,证实了耦合传热效应的存在.此外,还提出了一组单变量函数的回归模型,用以估计隧道周围不同位置土层的年度温度波动量.该研究将有助于深入探究隧道浅埋段所穿越江滩区域工程地质条件的长期演化趋势.     

基于自相关系数的有序样本聚类分析

有序样本的聚类关键是建立合理的分类指标。将系统聚类法与Fisher算法相结合,引入样本一阶自相关系数描述相邻样本间的相关关系,并以此为分类指标,进行分类。最后运用离差平方和确定最优分类数及分类结果,分类结果符合实际。     

Dynamic analysis of a high-speed train operating on a curved track with failed fasteners

A high-speed train-track coupling dynamic model is used to investigate the dynamic behavior of a high-speed train operating on a curved track with failed fasteners. The model considers a high-speed train consisting of eight vehicles coupled with a ballasted track. The vehicle is modeled as a multi-body system, and the rail is modeled with a Timoshenko beam resting on the discrete sleepers. The vehicle model considers the effect of the end connections of the neighboring vehicles on the dynamic behavior. The track model takes into account the lateral, vertical, and torsional deformations of the rails and the effect of the discrete sleeper support on the coupling dynamics of the vehicles and the track. The sleepers are assumed to move backward at a constant speed to simulate the vehicle running along the track at the same speed. The train model couples with the track model by using a Hertzian contact model for the wheel/rail normal force calculation, and the nonlinear creep theory by Shen et al. (1984) is used for wheel/rail tangent force calculation. In the analysis, a curved track of 7000-m radius with failed fasteners is selected, and the effects of train operational speed and the number of failed fasteners on the dynamic behaviors of the train and the track are investigated in detail. Furthermore, the wheel/rail forces and derailment coefficient and the wheelset loading reduction are analyzed when the high-speed train passes over the curved track with the different number of continuously failed fasteners at different operational speeds. Through the detailed numerical analysis, it is found that the high-speed train can operate normally on the curved track of 7000-m radius at the speeds of 200 km/h to 350 km/h.