生态文明视域下欠发达地区低碳经济发展探析

欠发达地区是区域生态文明建设的难点,当前,国际社会的低碳发展转型趋势为欠发达地区的跨越式发展和生态文明建设带来了新的契机,发展低碳经济成为欠发达地区生态文明建设的突破口。但目前欠发达地区的低碳发展道路仍面临着诸多障碍:对脱贫路径的认识误区带来的观念障碍、后发性导致的选择障碍、创新能力不足构成的技术障碍、财政困难和市场需求惨淡招致的资金障碍、落后技术和低端产业造成的锁定障碍。及早采取措施和行动突破上述障碍,顺应低碳发展的潮流和趋势,走适合区域实际的低碳发展之路,是欠发达地区生态文明建设的有效路径,也是欠发达地区提升竞争力,加快发展和更好发展的有效路径。     

Competency‐based Education: Evidence from Social Work Postgraduates from Five Universities in China

Social work education in China has undergone rapid development during last two decades. However, methods to define, measure, and evaluate social work students' competency remain largely unexplored. In this study, we evaluated competency in graduate social work students in China and examined factors that impacted competency, based on learning theory. Findings indicated that knowledge and skills learned in class, field placement, and social context all have effects on competency. How students think about individual development and the social work profession has the most significant effect. These findings carry implications for social work education in the Chinese context. The rapid development of social work education in China requires the effective measurement and evaluation of students' core competencies.     

考虑技术投资的供应链网络下可交易污染排放许可均衡问题

构建了包含多污染物、多污染接收点的供应链网络,考虑了生产技术和减排技术投资,对可交易的污染排放许可下的供应链网络进行了均衡分析,给出了变分不等式框架,建立了均衡模型。模型明确地处理了空间差异,同时保证了通过初始污染排放许可分配就可达到指定的环境标准。提出了模型的求解算法,最后利用提出的模型及算法对算例进行了计算,得到利润最大化下供应链网络中各工厂的产品生产量、排放量、污染排放许可的均衡分配额和污染排放许可的交易价格、技术最优投资额,并分析了成本函数参数以及工厂数量的变化对生产技术投资和减排技术投资的影响。     

Sample size determination for estimating multivariate process capability indices based on lower confidence limits

With the advent of modern technology, manufacturing processes have become very sophisticated; a single quality characteristic can no longer reflect a product's quality. In order to establish performance measures for evaluating the capability of a multivariate manufacturing process, several new multivariate capability (NMC) indices, such as NMC _p and NMC _pm , have been developed over the past few years. However, the sample size determination for multivariate process capability indices has not been thoroughly considered in previous studies. Generally, the larger the sample size, the more accurate an estimation will be. However, too large a sample size may result in excessive costs. Hence, the trade-off between sample size and precision in estimation is a critical issue. In this paper, the lower confidence limits of NMC _p and NMC _pm indices are used to determine the appropriate sample size. Moreover, a procedure for conducting the multivariate process capability study is provided. Finally, two numerical examples are given to demonstrate that the proper determination of sample size for multivariate process indices can achieve a good balance between sampling costs and estimation precision.     

根植统计工作实践，促进统计事业发展 ——新中国政府统计科研工作60年回顾

 60年前,国家统计局的正式成立,标志着新中国政府统计机构正式建成运转。回首60年的历程,统计事业的兴衰与祖国命运紧密联系在一起;而统计科研工作作为整个统计事业的重要组成部分,也在曲折与挑战中不断发展和完善。本文从机构人员、科研活动、科研管理、学会建设和学术期刊等五个方面对政府统计科研工作进行了全面的回顾和梳理。今后统计科研工作仍将致力于统计科学的研究与实践,围绕国家统计局中心工作的同时,充分发挥中国统计学会的桥梁、纽带作用,利用杂志等学术平台,不断加强对全国统计科研工作的组织和管理,为我国统计事业的发展发挥重要作用。     

Motivations for self-assembling into project teams

This study investigates the self-assembly mechanisms of ad hoc project teams using a bipartite network perspective. Individuals and projects are modeled as two types of nodes and team membership as relations between them. This approach enables us to investigate factors that impact voluntary team assembly at the individual, dyadic, and team levels simultaneously. Using Exponential Random Graph Models (ERGM/p*), we study players’ combat teams in a Massively Multiplayer Online Role-Playing Game (MMORPG) as a case of self-assembled project teams. Empirical results show that individuals are motivated to join ad hoc teams to complete difficult projects but not projects with long durations. We also found that individuals tend to collaborate with specific teammates who have complementary skills, those who have similar age or skill level, and those who are affiliated with the same organizational entity.     

青年自创节日文化现象透视

我国的传统节日在工业化、信息化、全球化的发展中逐步被"边缘化",改革开放之后"洋节"以全新的庆祝方式满足了现代青年人对休闲、娱乐、聚会、消费的要求。随着我国文化教育水平的提高,青年人注重自我价值,自我意识凸显,个性独立张扬。在"洋节"的退烧中创立专属自身群体的独特节日,并赋予节日以文化内涵。从社会文化的多维度视角透视青年自创节日文化的原因,审视其活动内容,引导青年人树立正确的价值观是很有必要的。     

大学生革命精神认同力研究

大学生是祖国的未来,他们对革命精神的认同力直接反映着一个国家的精神建构。随着全球化和网络时代的到来,大学生对革命精神的认同发生了很大变化。调查发现,当代大学生在对革命精神的知晓、认同、反感、思考与选择五个维度上各有特点,基本状况是:革命精神知晓度比较高,认同度持中,反感存在,思考与选择则较世俗化。由此,提升当代大学生革命精神认同力应该从丰富大学生了解革命精神的途径、倡导革命精神中符合时代要求的内容、制定切合各群体的价值和道德标准、高度重视"官德"建设对于革命精神认同力的正效应等方面入手。     

八思巴遗宝“大朝国师统领诸国僧尼中兴释教之印”考

前西藏自治区文管会珍藏的蒙古汗国时期的“大朝国师统领诸国僧尼中兴释教之印”虽然是复制品,但其仍属不可多见的国宝.通过多方对比、排查,该印的主人应当是推动祖国统一、民族团结的曾任国师,后升任元王朝首任帝师的著名藏族政治家、佛学大师,藏传佛教萨迦派第五代祖师八思巴.