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101.
Global guidelines for physical activity are not being met by most of the world’s youths, adults, and older adults. Family and friends who engage in physical activity across generations derive emotional, social, cognitive, and physical benefits from their interaction. Youths depend on adult assistance to travel long distances, adults are encumbered with obligations to work, and older adults often live more than 200 miles from their extended families. Intergenerational physical activity is difficult because generations are distant and lead busy lifestyles. Remotely played exergames can connect family and friends for intergenerational physical activity. Internet exergaming can help to make physical activity convenient and enjoyable as well as eliminate the effect of distance on playing with family and friends. 相似文献
102.
Using in‐depth interview data on nominal marriages – legal marriages between a gay man and a lesbian to give the appearance of heterosexuality – this paper develops the concept of performative family to explain the processes through which parents and their adult children negotiate and resolve disagreements in relation to marriage decisions in post‐socialist China. We identify three mechanisms – network pressure, a revised discourse of filial piety and resource leverage – through which parents influence their gay offspring's decision to turn to nominal marriage. We also delineate six strategies, namely minimizing network participation, changing expectations, making partial concessions, drawing the line, delaying decisions and ending the marriage, by which gay people in nominal marriages attempt to meet parental expectations while simultaneously retaining a degree of autonomy. Through these interactions, we argue that Chinese parents and their gay adult children implicitly and explicitly collaborate to perform family, emphasizing the importance of formally meeting society's expectations about marriage rather than substantively yielding to its demands. We also argue that the performative family is a pragmatic response to the tension between the persistent centrality of family and marriage and the rising tide of individualism in post‐socialist China. We believe that our findings highlight the specific predicament of homosexual people. They also shed light on the more general dynamics of intergenerational negotiation because there is evidence that the mechanisms used by parents to exert influence may well be similar between gay and non‐gay people. 相似文献
103.
The resources of ageing? Middle‐aged gay men's accounts of Manchester's gay voluntary organizations
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Paul Simpson 《The Sociological review》2016,64(2):366-383
Middle‐aged men's experiences of gay voluntary organizations (GVOs) are neglected in research. To address this knowledge gap, this article extends Bourdieusian theorizing beyond that deployed by Hakim (2010) and Green (2008) concerning ‘erotic capital’ to demonstrate how norms in GVOs can facilitate or frustrate mobilization of ‘ageing capital’ by middle‐aged gay men living in Manchester (UK), which has implications for comparable cities within and beyond a UK context. Based on interviews with 22 men aged 39–55, this article demonstrates how ‘ageing capital’ can facilitate challenge to gay ageism but also how such ageism can frustrate and even overwhelm men's capacities to deploy ageing capital in generic GVOs, thus reinforcing intergenerational conflict and expression of ageism towards younger gay men. In doing so, this article contributes to knowledge about the reproduction of the relations of ageism in a particular field of gay existence. 相似文献
104.
Parental Divorce,Residence Arrangements,and Contact Between Grandchildren and Grandparents
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When parents divorce, grandparents can play a supportive role in the lives of their grandchildren, but a parental divorce may also put grandchild–grandparent ties under pressure. In this study the authors investigated how grandchildren of married and divorced parents differ in the frequency of face‐to‐face contacts with grandparents and how this is mediated by postdivorce residence arrangements. Based on the multi‐actor survey “Divorce in Flanders,” they used reports of contact provided by more than 1,000 grandchildren and compared them with more than 1,100 grandparent reports for validation. The results showed that grandchildren from divorced parents have fewer contacts with their grandparents than grandchildren whose parents are married but that it is the postdivorce residence arrangement of grandchildren that produces this result. When grandchildren live with their divorced father or in a shared residence arrangement, they even see paternal grandparents more often than grandchildren with married parents. 相似文献
105.
针对无线环境的动态性及虚拟网络请求到达与离开的随机性,使得物理网络负载分布不均衡,导致后续请求的接受率降低的问题,提出一种无线网络虚拟化中的两阶段重映射算法(two stages reconfiguration scheme for wireless network virtualization,TR-WNV)。该算法通过第1个阶段选出合适的虚拟网络进行重映射,接着在第2个阶段按照优先级对已选出的虚拟网络进行重映射,并根据离散度来判断每次映射效果。最后,通过仿真对算法进行验证,结果表明该算法在保证虚拟网络请求收益最大化同时,有效提高了虚拟网络请求接受率,实现整个底层网络的负载分布均衡。 相似文献
106.
余宏 《安徽理工大学学报(社会科学版)》2021,23(1):103-108
文化记忆媒介经历多次嬗变,从口述媒介、书写媒介、印刷媒介到当下的数字媒介.媒介嬗变为文化记忆当下化提供了基本的结构框架,尤其是数字媒介,对文化记忆的储存、传播和表现产生了诸多新影响.首先,它极大地提升了文化记忆的储存能力,也产生了"数字黑暗时代"问题;其次,它有利于传播个体关于文化记忆的观点和评价,放大了各群体间关于文... 相似文献
107.
We use a large non-student sample to test how distinct measures of risk-attitudes relate to each other, to demographic characteristics and to real-life risk taking in the financial domain. These measures, namely the Bomb Risk Elicitation Task (BRET), self-reported willingness to take risks in general, the choice in a hypothetical lottery, the score in the Domain Specific Risk-Taking (DOSPERT) scale, appear to be positively correlated and exhibit a certain degree of consistency. Furthermore, a subset of these measures is driven by similar demographic characteristics as such that males are more risk seeking and risk-aversion increases with age. Using extensive data on the retirement portfolios of the participants during the years 2008–2014, we find that all of these measures are positively correlated with the riskiness of individual portfolios. The self-reported willingness to take risks in general appears to be the most relevant measure in predicting actual risk-taking behavior. 相似文献
108.
对刑罚意义的不同理解以及对刑罚目的的不同追求直接决定着刑事制裁方式的选择。刑罚的目的是通过加重犯罪所需要的成本来制止犯罪,从而得到最佳的刑罚效益。在刑罚资源有限的前提下,如何选择有效的刑事制裁方式,以最合理、最小量的刑罚成本投入,最大限度获取刑罚效益,始终是一个难题。从刑罚经济分析的角度,研究犯罪与刑罚的关系,有助于实现刑罚资源的有效配置,促进刑事司法活动成本减少、效益增大,进而更好地惩治犯罪与预防犯罪。 相似文献
109.
In this paper we consider the problem of determining the optimum number of repairable and replaceable components to maximize a system's reliability when both, the cost of repairing the components and the cost of replacement of components by new ones, are random. We formulate it as a problem of non-linear stochastic programming. The solution is obtained through Chance Constrained programming. We also consider the problem of finding the optimal maintenance cost for a given reliability requirement of the system. The solution is then obtained by using Modified E-model. A numerical example is solved for both the formulations. 相似文献
110.
谢庆立 《吉林工程技术师范学院学报》2009,25(11):36-37
本文探讨同传中“顺句驱动”在合理分配注意力中的作用,进而分析英汉同传中传译定语从句时使用“顺句驱动”的可行性,并提出五种具体技巧。 相似文献