NBA中锋发展趋势及空间型中锋技术剖析     

吴鲲  贾丽娟 《武汉体育学院学报》2018,52(7):95-101

NBA比赛规则的改变和内线球员位置的模糊化使得中锋呈现出新的发展趋势,高强度、高对抗、快速攻防转换以及更加注重拉开空间对中锋的策应能力和远距离投篮能力提出了更高的要求,促使内线球员向全能空间型中锋转型。研究发现,空间型中锋技术更为全面,进攻方式多样,拥有较高的三分球出手次数和高效稳定的三分球命中率,具备良好的组织和策应能力;在助攻、触球后的传导球以及触球得分上都优于传统中锋;空间型中锋攻防空间更为开阔,丰富了球队技战术选择因而使用率更高。借鉴NBA中锋的发展,CBA应侧重培养中锋的速度和灵活性,提高中锋的策应、助攻和三分球投射能力。  相似文献   

Intergenerational transmission of out-of-home care in Sweden: A population-based cohort study     

《Child abuse & neglect》2018

The objective of this study is to examine the intergenerational transmission of out-of-home care. This population-based study used data from the Swedish National Registers and included all children born in Sweden between 1990 and 2012 (followed for up to 13 years), whose parents were both born in Sweden between 1973 and 1980 (278 327 children; 145 935 mothers; 146 896 fathers). Cox regression models are used to obtain crude and adjusted hazard ratios (HR) of OHC placement among children based on parents’ history of OHC. Compared with children whose parents both did not have a history of OHC, the risk of being placed in OHC was greater when both parents spent time in OHC (crude HR = 48.70, 95% CI 41.46–57.21; adjusted HR = 3.04, 95% CI = 2.54–3.64), however, children who had only one parent who spent time in care were also at higher risk (mothers only adjusted HR = 2.37, 95% CI = 2.08–2.70; fathers only adjusted HR = 1.33, 95% CI = 1.13–1.55). The crude rate of placement in OHC was highest for children whose parents were placed in care during adolescence, but after adjusting for social and behavioral covariates, children whose parents were in care in early childhood were at greater risk of OHC than children whose parents were in care in adolescence. To reduce this intergenerational transmission of OHC, more supports should be provided to parents who spent time in OHC to ensure a successful transition to parenthood.  相似文献   

非再生能源资源使用者成本:一个新的估计     

曾先峰  李国平 《资源科学》2013,35(2):439-446

对使用者成本的准确估算与补偿是非再生能源资源可持续利用的关键.本文对传统的使用者成本法做了两方面修正:一是考虑了资源开采中的耗损问题;二是强调了通货膨胀对使用者成本的影响.采用修正的使用者成本法计算了1985年-2010年中国煤炭、石油天然气等资源的使用者成本.研究发现,现行的资源税费仅能部分补偿使用者成本,煤炭、石油天然气开采中存在严重的跨代负外部性.要完全内部化使用者成本,煤炭的资源税费总额应由从量的9.2元/t提高至42.7元/t,石油天然气的资源税费总额应提高至从价的21.06％.要对矿产资源的税费制度进行配套改革,在不增加矿业企业总体税费负担水平的情况下,提高资源税费的征收标准,以实现对跨代外部成本的充分补偿.  相似文献   

Handling pressures: analysing touch in American films about youth sport     

Nicholas Chare 《Sport, Education and Society》2013,18(5):663-677

This paper examines how films produced in the USA in the past 10 years and featuring the coaching of youth sport, represent the issue of touch during instruction and training. Touch in such films is figured in diverse ways ranging from pats of reassurance and hugs of congratulation to cuffs of disapprobation. Touch is also occasionally depicted differently, dependent upon the ethnicity and gender of the central characters in specific films. These distinctions are evaluated for what they reveal about the nuances of understandings of touch in film portrayals of sport education in American high schools. The difficulty of interpreting physical contact between coaches and athletes in these films, and what this reveals about the problem of policing touch in general in educational settings, is explored. Finally, the paper examines how the films expose the intricacy of tactile encounters in ways that challenge the judiciousness of risk-averse ‘no-touch’ policies and practices in sports coaching.  相似文献   

论魏晋南北朝人物画的美学诉求     

刘强 《阜阳师范学院学报(社会科学版)》2004,(1):19-22

魏晋南北朝人物画的兴起 ,是魏晋人物品藻风气影响下的产物 ,是魏晋人物美学的一个重要组成部分。“传神写照”的美学诉求和“以形写神’’的绘画技法 ,恰好构成了魏晋南北朝人物画的一个相对完整的认识论和方法论的理论体系。它是“形神”这一对哲学范畴在艺术领域实践经验的一次总结 ,在我国艺术史和美学史上有着重要意义。  相似文献   

关于中美文化差异的调查与思考     

张碧聪 《南平师专学报》2006,25(1):112-115

不同文化背景的人们在进行交流中，相互间的理解或误解除了言语本身的因素外。由于对各自文化的认同也是问题所在。中美文化差异表现在许多方面，本文从对中国和美国公民的125份调查问卷进行分析，试图探讨两国间的宗教信仰差异，身体接触意识差异，社会行为表现差异。  相似文献   

乌鲁木齐维吾尔族生活语言变化研究     

古力加娜提·艾乃吐拉 《新疆师范大学学报(哲学社会科学版)》2012,(2):66-72

语言接触是在人类语言产生、发展的进程中带有普遍性的一种社会现象,是指不同语言由于在使用过程中的相互接触而发生的结构和功能特征等的变化。这种现象的产生、发展不仅与语言本身有关,还与一个民族的政治、经济、文化、教育、历史、人口、宗教等诸多因素密切相关。文章以笔者在田野调查中获得的第一手材料为依据,分析自然语言接触对乌鲁木齐市维吾尔族居民的生活语言产生的影响。  相似文献   

Shared Family Identity,Age Salience,and Intergroup Contact: Investigation of the Grandparent–Grandchild Relationship1 This study was part of the first author's doctoral dissertation and portions of the study were presented at the National Communication Association annual meeting,Chicago, 2004.     

《Communication monographs》2012,79(1):87-107

This study investigated communicative and relational aspects of the grandparent–grandchild relationship that lead to perceptions of age salience and shared family identity with the grandparent. The perceptions represent manifestations of inter- and intragroup levels of categorization in dealing with the other family member. The association between these group-oriented categorizations and perceptions of intergenerational contact outside of the family was examined. Participants (N?=?369) completed questionnaires assessing perceptions of experiences with multiple grandparents. Findings showed that general family identification of the grandchild, parental encouragement, and personal communication (social support and reciprocal self-disclosure) are positively associated with perceptions of shared family identity, whereas intergroup communication (under/overaccommodation) and perceptions of impaired health are associated with age salience. Results suggest that age salience may moderate the relationship between shared family identity and perceptions of older adults in some circumstances.  相似文献   

嵌入式系统VxWorks下汉字输入法的研究与实现     

韩改宁  李永锋  张西 《咸阳师范学院学报》2012,27(4):44-46

针对嵌入式应用系统下的汉字输入和显示的问题,利用汉字编码技术、触摸屏控制技术和LCD显示技术,基于ARM9嵌入式硬件开发平台,在VxWorks操作系统中利用设计的拼音码与汉字机内码转换引擎实现拼音到汉字的映射,获取相应汉字,然后通过汉字字形点阵在LCD上显示汉字。该设计原理清晰,易于实现,具有一定的工程应用价值。  相似文献   

论触觉与产品设计     

赵曦 《河南科技学院学报》2012,(5):89-91

现代社会,各种各样的产品层出不穷,竞争日趋激烈。对于感兴趣的产品,人们会调动各种感觉器官对产品进行更深入的了解。作为人类重要的感官,触觉能够帮助人们建立起对于产品的全面认识。现代的产品设计,要充分重视和发挥触觉在产品中的作用。  相似文献