Optimal scheduling replacement policies for a system with multiple random works

From the economical viewpoint in reliability theory, this paper addresses a scheduling replacement problem for a single operating system which works at random times for multiple jobs. The system is subject to stochastic failure which results the imperfect maintenance activity based on some random failure mechanism: minimal repair due to type-I (repairable) failure, or corrective replacement due to type-II (non-repairable) failure. Three scheduling models for the system with multiple jobs are considered: a single work, N tandem works, and N parallel works. To control the deterioration process, the preventive replacement is planned to undergo at a scheduling time T or the job's completion time of for each model. The objective is to determine the optimal scheduling parameters (T^* or N^*) that minimizes the mean cost rate function in a finite time horizon for each model. A numerical example is provided to illustrate the proposed analytical model. Because the framework and analysis are general, the proposed models extend several existing results.     

Responsibilisation,social work and inclusive social security in Finland

ABSTRACT

In this article responsibilisation in social work is studied by analysing two Finnish state-level policy documents (called final report and research report) which concern a current activation initiative called inclusive social security (ISS). It is asked how social workers and clients are constructed as responsible subjects in these documents. Responsibilisation refers to the advanced liberal mode of governmentality, which aims to strengthen citizens’ abilities to self-governance through various techniques that include the intertwined elements of surveillance and empowerment. It is demonstrated that the policy documents construct the social workers’ and the clients’ responsibilities partly in different ways. The final report leads activation to be based on shared responsibility and social work to be more community-based, whereas the research report strengthens more individual-based responsibility of clients and social workers. For the clients, the interpretation of ISS based on shared responsibility would probably be less stigmatising and paternalistic than the one based on individual responsibilities, i.e. approaching long-term unemployed citizens as being personally ‘at risk’ and thus a justified target group of individualised techniques for activation. For social workers and clients, future activation appears to be a wide mix of different techniques, moral expectations and possible ways of being a responsible subject.     

Changes in work and care trajectories during the transition to motherhood

In most mid- and high-income countries, there have been significant demographic, structural, and cultural changes in the past decades. However, we know little about how these changes have shaped women's work patterns during a key life stage: the transition to motherhood. Using longitudinal data from Chile, covering over 30 years of employment histories and three periods of first births (1980–2010), I conduct sequence analysis to identify women's work-care trajectories during an eight-year period of the transition to motherhood. Over time, I find that continuous care work at home has declined, for which education plays a key role, while the chances of working continuously have not changed over time. Instead, I find an increasing trend of unsteady paths that combine paid work with either caretaking or unemployment. I discuss how these changes, as well as their association with education, have important implications for both gender and social inequality.     

精神回溯与意象精研的本质书写--林雪诗歌评论

林雪是当代汉语诗歌的重要诗人，她“在心为志，发言为诗”，诗风大气沉郁。她近期的诗歌，情怀与思辨相互倚重、酵化，介入生活与提炼心性同步发力，题材多样，手法多变，情感收放自如，气韵放达从容。她对现实的观照，对时空的架构，对存在的开掘，都呈现出一种新的气象。她自觉地从先期女性主义诗写中觉醒，到如今的清澈中隐显尘世的味蕾，对生活细节和感念触觉的精妙镂刻，以及对世道人心的专注和细致打量。     

Who cares? A lack of self‐care for women in the non‐profit/non‐governmental sector

In this article I examine the lack of self‐care regimes for women working in the non‐profit/non‐governmental sector. While I draw on ethnographic research conducted in the Malaysian context of women's organizations, the issue of self‐care for activists and feminist activists is a global one that crosses borders and boundaries. I explore the gendered nature of care and care professions to demonstrate how women are predominantly affected in these working environments. To date, there has been little scholarship on self‐care and care in non‐profit/non‐governmental working environments. Using interviews with women working in the sector, I argue that women's emotional, mental and physical health comes at a cost in these hectic workplaces. This article contributes to the literature on gender, work and care in women's organizations by taking seriously women's concerns working in these spaces, where they experience self‐neglect and institutional barriers in care regimes.     

论全球气候治理中城市的角色转型——兼论中国困境与出路

从全球气候治理的1.0时期、2.0时期到3.0时期，城市逐渐实现了从“幕后参与者”到“共同引领者”的角色转型。这一转型既得益于全球治理理论在气候变化领域的延伸，更受惠于城市外交理论的推动和全球气候治理中“集体行动的困境”之驱使。就目前来看，中国城市的这一“共同引领者”角色还无法完全体现出来——不仅在隐性的“南北分割”的权力结构和发展中国家的气候治理分歧中，面临着对外发展的困境；而且在中央政府对地方政府的气候治理行动的“单向”型构造及城市的“经济发展”和“治理责任”的两难抉择中，面临着对内优化的瓶颈。针对这些问题，中国可以采取“两条干路+六条支路”的“两轨并行”式路径来寻求合理的应对之策。国家可以在寻求发展中国家的集体身份认同之时，进一步完善国内温室气体减排政策和立法，并赋予城市以一定的自主性；而城市也可以在深化城市气候外交，加强与国家的“双向”型气候治理互动的同时，推动“韧性城市”的长效发展。     

关于高校中层副职干部几个基本问题的思考

高校中层副职干部具有高校干部、中层干部和副职干部的群体特征，应当具备相应的政治、思想、道德、业务、能力和身体等方面的基本素质。高校应当按照现行干部配置规制，结合内部管理体制和工作机制任用干部。高校中层副职干部的日常活动涉及到社会、学校、家庭等多个层面，必须妥善处理好各种人事关系。     

对区域高等教育战略规划的若干思考--基于《加利福尼亚州高等教育总体规划（1960-1975）》的分析

《加利福尼亚州高等教育总体规划（1960—1975）》是区域高等教育战略规划领域的成功范例，规划内容通过州宪法性效力、州法律法规性效力以及行业约定性效力三种形式发挥作用。准确把握关键问题、秉持院校自治理念、深入开展调研等做法值得借鉴。我国区域高等教育机遇与挑战并存，教育规划应当坚持治理理念、以人为本理念和系统论理念，对区域高校定位作出合理预期与安排，引导区域高等教育健康和谐发展。     

Identity Dilemmas: Toward a More Situated Understanding

When are identity dilemmas—when people possess identities that conflict with one another and both are potentially stigmatizing—most likely to occur? Are they the result of generic social processes? A review of some of the extant research on “identity work” suggests that historical “misalignments” of culture and stratification, which we refer to as “lag,” create the greatest potential for stigma and the reproduction of inequalities. Lag is exacerbated by complex, intersecting axes of hierarchy, and amplified as symbolic environments globalize and subcultures multiply. Articulating culture and structure reveals how power plays out in interaction, and highlights the omnipresence of struggles for treatment as “fully human.” We consider whether “alignment” is even possible when multiple dimensions of social location intertwine, compete, and collide. Following Schwalbe and Mason‐Schrock (1996), we argue that “subcultural” or collective identity work that brings new meanings into dominant cultural narratives may offer the greatest hope, but in the interim all coping strategies are costly.     

广西沿边"适应-竞争-合作"式 城镇演化模式研究 ——以凭祥、东兴为例

新时代不充分不平衡发展问题突出，加大力度支持边疆民族地区加快发展的要求迫在眉睫。广西沿边民族地区发展总体滞后，城镇发展模式趋同；东兴和凭祥在沿边城镇发展模式趋同的情况下，在“适应-竞争-合作”式城镇演化过程中，充分利用国家政策、发挥比较优势、培育优势特色产业、深化内外合作，实现了城镇经济的跨越式发展。本文以生物学“趋同进化”理论为基础，结合新发展理念和东兴、凭祥的发展经验建议：广西沿边民族地区采取“适应-竞争-合作”式城镇发展模式，以创新增强各城镇内生动力，以互补合作促进协调发展，以绿色发展道路助推城镇发展的可持续性，以加强内外市场的联动性来深化城镇开放、合作式发展，以“省-市-县”、“县-镇-村”的互联互通推进共享发展。