关于解决贫困生上学难问题的反思

贫困生的产生和存在是一个复杂的社会问题,它的根本解决有赖于诸多社会条件,也具有多方面的社会意义。高校几年来助学工作的基本思路和具体措施值得反思。建议高校在这个问题上不介入、不减免、不勉强,即不再充当学生借贷的介绍人;对所有学生都不再以“贫困”为理由减免学费;如果新生录取当年就入学确有困难,不勉强其当年报到。更多地按市场经济的规律办事。     

口蹄疫病毒非结构蛋白3ABC基因的原核表达及其产物的活性检测

利用分别带有BamHⅠ和HindⅢ酶切位点的引物扩增出FMDV 3ABC基因,将其克隆到pMD18-T载体。经BamHⅠ和SalⅠ酶消化后,克隆到表达载体pGEX-6p-1上,构建重组质粒pGEX-3ABC。将该重组质粒转化到大肠埃希氏菌BL21(DE3)pLysS,经终浓度1 mmol/L的IPTG诱导,获得约70 ku的融合蛋白GST-3ABC。Western-blotting结果显示,表达的融合蛋白GST-3ABC可以与感染FMDV的牛血清发生免疫反应。以纯化的GST-3ABC蛋白为抗原的间接ELISA检测结果与以VP2蛋白为抗原的间接ELISA检测结果相比较,表明,融合蛋白GST-3ABC可以用于鉴别感染FMDV和疫苗免疫的牛血清。     

CRITICAL ASPECTS OF PARENTING PLANS FOR YOUNG CHILDREN

The debate about the benefits and drawbacks of overnight schedules for young children is hotly contested in family law. This study investigated connections between occurrence of overnights, schedule consistency, number of caregivers, and young children's adjustment to parental separation and divorce. Families ( N = 161) with children aged 6 years or younger were recruited at the time of filing for divorce or child custody (if unmarried); follow-up data were obtained from 132 families 15 to 18 months later. Results indicated that parenting plan variables are related to children's social, cognitive, and emotional behavior, with caregivers and schedule consistency more salient than overnights. Girls benefited from overnights and more caregivers, whereas boys did not. Overnighting children aged 4 to 6 years when their parents filed manifested fewer problems 1.5 years later than did younger children. Even when controlling for parental conflict and parent-child relationship variable, the constellation of parenting plan variables contributed to young children's adaptation.     

正当性、合理性和现实性——世贸组织法中发展中国家的特殊和差别待遇

在GATT/WTO中争取特殊和差别待遇是发展中国家成员要求建立公平的国际贸易秩序的表现。这种公平的实现是从应有权利到法定权利再到现实权利的权利实践过程。本文分析了影响该权利实践过程和结果的一系列变量,指出发展中国家只有增强自身的参与能力,加强整体的团结,才有可能走向成功的权利实践。WTO应进一步强化规则和纪律,切实保证发达国家成员履行对发展中国家成员的义条,后者才能从特殊和差别待遇中真正受益。     

我国省级政府政务公开监督保障机制的问题与完善

政务公开是实现透明政府的重要制度之一,政务公开的顺利开展有赖于监督保障机制的实现。文章从省级政府信息公开监督保障机制的现状入手,分析监督保障制度存在的公民参与不足和政府履职不全的问题。提出通过提高社会资本水平、降低公民参与成本、政务公开专职化和公开范围精细化等措施,实现政务公开有序进行。     

学生参与:高校教学质量内外部评估的结合点

教学评估新方案的出台,突出强调了学生参与评估的重要性。通过借鉴欧洲和美国的两种不同学生参与方式,分别从内外部维度对教学质量进行了探讨。在外部评估中,欧洲学生作为评估主体直接参与教学评估;在内部评估中,美国学生作为评估对象,通过学生参与度的度量来对教学质量进行评估。基于学生参与的两个维度,构建出我国教学内外部评估学生参与机制的构想,为我国高校教育评估提供参考,并总结了学生参与作为内外部评估结合点对我国高校教学评估的作用和启示。     

Community Involvement as a Vehicle for Integration: A Study with Young Immigrants

ABSTRACT

Immigrants are often exposed to conditions of economic deprivation or to hardships of a social nature connected to their status. These factors increase their feeling of impotence, thus slowing down the integrative process. An element that could counter these disadvantaged conditions is participation in an association that promotes immigrants’ demands on a socio-political level. The first aim of this study is understanding the relationships between involvement and integration. The authors hypothesize that youth engaged in community are more integrated than not engaged immigrant youth. The second aim is to investigate the relationship between the type of activity, type of association and integration. The participants were 644 immigrant youth (Age range 19–35, 56.2%) that were involved in the community. The results show that involved immigrant youth report higher levels of both ethnic and national identity compared to not involved youth. Regarding the type of activity carried out, there is a statistically significant difference between activity of a social type, which obtains higher means, and of a civic type, which rather obtains lower means. While exploratory, the study shows and confirms the relationship between community engagement, young immigrants’ integration process and construction of identity.     

消费者产品涉入与品牌转换：顾客满意的中介效应

消费者的品牌转换行为对企业的经营管理影响巨大，了解其前因变量对控制此类行为至关重要。本研究着眼于消费者产品涉入，探索其对品牌转换的预测效应，以及顾客满意在两者间的中介效应。通过对409名大学生的问卷调研，采用相关分析、验证性因子分析、结构方程建模等统计方法进行假设检验。结果显示，消费者产品涉入对品牌转换存在显著的负向预测效应，顾客满意完全中介消费者产品涉入与品牌转换之间的关系。     

绵羊卵母细胞的差异蛋白质组学研究

为了研究绵羊卵母细胞成熟过程中蛋白质的表达模式,以期在蛋白质水平探索绵羊卵母细胞成熟的分子机制,将采用双向凝胶电泳技术获得的2-DE图谱经PDQuest8.0分析并找出差异蛋白斑点后,对差异蛋白斑点进行高效液相色谱串联离子阱质谱分析。结果显示,GV期和MⅡ期卵母细胞2-DE图谱之间存在13个表达差异明显的蛋白斑点;4个蛋白斑点的质谱检测结果较为理想,对应3种不同的蛋白质,分别为截短的VP2、苹果酸脱氢酶、谷胱甘肽转移酶M3;其中截短的VP2、苹果酸脱氢酶在卵母细胞成熟过程中表达量下调,谷胱甘肽转移酶M3在卵母细胞中大量表达并且表达量上调。结果表明,绵羊卵母细胞成熟过程中,细胞的mRNA合成和表达水平以及糖代谢水平可能降低,细胞的抗氧化和解毒能力可能提高。     

Racial composition,sentencing reforms,and rates of incarceration, 1970–1980

Association with delinquent peer groups is one of the most salient predictors of delinquent behavior. Despite the widespread documentation of these effects, little is known about whether the delinquent peer effect is conditioned by individual‐level characteristics. Using data from a multi‐wave survey of Mexican‐American adolescents, this study explored the interactive effect of susceptibility to peer influence and differential association with delinquent peers on delinquent outcomes. Results suggested that the delinquent peer effect on self‐reported delinquency is amplified when an adolescent is highly susceptible to peer influence. Analyses also indicated that this moderating effect varies according to offense seriousness. Specifically, the conditioning effect is most important when considering acts of serious delinquency.