零售商的资金约束对协调契约的影响分析

在零售商促销下,探讨了零售商的资金约束对使用收益共享契约和回购契约协调供应链的影响。分析了零售商拥有不同运营资金下供应链的契约协调问题,研究表明：在运营资金相对充裕下,收益共享契约不仅能协调供应链,且能实现渠道收益的任意分配,但回购契约不能实现渠道收益的任意分配,除非运营资金非常充裕;在运营资金不足下,收益共享契约仍有可能协调供应链,但回购契约不能协调供应链。讨论了资金的时间价值对两个契约协调供应链的影响,结果表明：在回购契约下,资金利率越大,具有资金约束零售商的供应链被协调的可能性越大,但资金利率对收益共享契约没有影响。最后提供了数值分析。研究中得到一些管理启示,可为资金约束供应链的协调管理提供理论借鉴。     

产品召回供应链中线性保险合约与订货决策

考虑一个由单供应商和单制造商组成的二级供应链,在不确定市场需求情形下考虑产品召回,站在制造商角度研究供应链线性保险合约下的最优订货决策以及最优线性保险合约决策。研究表明,最优的订货决策与产品召回概率以及线性保险系数相关,存在唯一的最优订货量来最大化制造商的利润。对于密度函数倒数的导数较大的一般需求分布函数,最优的线性保险系数与线性保险合约的固定费用以及产品召回概率有关。当产品召回概率和线性保险合约的固定费用均较小时或者产品召回概率较大但线性保险合约的固定费用适中时,制造商通过选择线性保险合约可以改善自己的利润。     

Dynamic scheduling of steel casting and milling using multi-agents

This paper presents a case study on the use of multi-agents for integrated dynamic scheduling of steel milling and casting. Steel production is an extremely complex problem requiring the consideration of several different constraints and objectives of a range of processes in a dynamic environment. Most research in steel production scheduling considers static scheduling of processes in isolation. In contrast to earlier approaches, the multi-agent architecture proposed consists of a set of heterogeneous agents which integrate and optimize a range of scheduling objectives related to different processes of steel production, and can adapt to changes in the environment while still achieving overall system goals. Each agent embodies its own scheduling model and realizes its local predictive-reactive schedule taking into account local objectives, real-time information and information received from other agents. Agents cooperate in order to find a globally good schedule, which is able to effectively react to real-time disruptions, and to optimize the original production goals whilst minimising disruption carried by unexpected events occurring in real-time. The inter-agent cooperation is based on the Contract Net Protocol with commitment.     

建设工程监理合同法律关系研究

文章介绍了建设工程监理合同的性质、特征和建设工程监理合同存在的法律关系,分析了损害监理合同法律关系的几种行为,并从明确法律关系、加强立法、完善监理合同的签订与履行和改变费用支付方式四个方面提出了规范不良行为的对策.     

基于诺丁斯关怀德育模式 构建高校德育师生关系的思考

诺丁斯的关怀德育模式以“学会关怀他人”为核心,重视对师生关怀意识和能力的培养,对构建我国高校师生关系具有重要意义。在分析当前高校德育师生关系存在问题的基础上,基于诺丁斯的关怀德育模式,从价值理性出发重构关怀型的德育师生关系,实现师生在“双主体”关系上的平等交往；引导教师在日常德育工作和教学中回归生活世界,创建关怀型互动情境；加强高校教师关怀能力建设,以师为范,为学生树立关怀榜样；寻求师生之间的有效对话,实现高校师生的真实交往。     

高校教师体育需求特征、需求满足的制约因素与对策

高校教师体育也是高校体育工作的重要内容,搞好高校教师体育工作必修尊重教师的主体体育需求和帮助消除满足其体育需求的制约因素.通过检索期刊网对2000年来高校教师体育需求特征的相关文献,经过筛选和统计分析,了解到目前高校教师对体育的需求表现依次为:增强体质、抗病防病, 消遣娱乐,调节心理,健身美体等几个方面,而影响高校教师体育活动的主要因素是没有充分时间、工作和家庭压力大、场地缺乏、没有专业老师指导,以及对体育认识不足等,本文就以上问题提出自己的建议与措施,为高校教师体育活动的全面开展提供思路和参考.     

突发性产出下的供应链协调应对策略

针对突发事件影响制造商产出的情形，研究了收益共享契约协调应对突发产出事件的有效性问题。首先论证了无突发产出事件时收益共享契约协调供应链的有效性，进而分析了突发产出事件对供应链最优生产计划、定价决策、绩效和协调性的影响。然后，建立了突发产出事件下的收益共享契约协调应对模型，并对原收益共享契约和修正后的收益共享契约进行了对比分析。研究表明：当突发产出事件导致产出扰动范围较小时，供应链的最优生产计划、批发价格和零售价格几乎保持不变，仅当产出扰动范围较大时，三者才需要同时调整，此时原供应链的协调性也将被打破，而修正后的收益共享契约具有良好的抗突发性。最后，通过算例进行了验证。     

Teaching ethnicity in social work education: teachers’ experiences in Sweden

ABSTRACT

The shifting demographics that come with migration and globalization have changed the settings for social work education in Sweden. To promote sustainability in a diverse society, strategies for inclusion and equality are essential in the development of core competencies in social work. One essential question is how social work education has responded to the demographic changes. The study aims to contribute with knowledge about how ethnicity is conceptualized in Sweden and to describe the impact the subject has on teaching forms and strategies. More specifically, the study investigates university teachers’ expressions of their teaching practices about the concept and addresses the faculty members’ narratives about the teaching situations. The study concludes that the lack of a coherent academic context for teaching ethnicity leads to the development of individual approaches by the teachers and a personalization of the issue of ethnicity in social work education. This creates a limitation on how structural elements come into play in relation to ethnicity, and in turn, leads to a shortage of a critical analysis of the construction of social problems where ethnicity plays a fundamental role. These circumstances precede theoretical perspectives on social problems related to ethnicity, migration, transnational relations, globalization, and racism.     

高校师生道德审美的和谐互动

高校在道德教育过程中应重视注入审美要素,强调道德的美学品格,通过持之以恒的师生和谐互动,发掘道德之美,在学生中形成以德为美、以德为荣的良好道德氛围.高校师生道德审美和谐互动有其特定的内涵与作用.高校师生道德审美和谐互动应该坚持道德为主、审美为辅;双向互动、相与促进;自主、和谐、发展;以情感人、以境动人;道德熏陶、艺术感染;审美教育、政治教育和道德教育统一的基本原则.实现高校师生道德审美和谐互动的途径有如下几点:更新教育理念,注重环境建设,发掘教师之美,贴近学生实际.     

论教师个性心理品质与学生发展

教师的智力和知识水平与学生的发展关系甚小,对学生发展较为重要的因素有教师的教学能力以及教师的个性心理品质。