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21.
重庆市民族传统体育项目板鞋竞速的现状与发展研究   总被引:1,自引:0,他引:1  
板鞋竞速项目是一项在广西壮族自治区少数民族中较为盛行的民族传统体育项目,本文结合重庆市板鞋竞速项目在第八届全国少数民族传统体育运动会的历程,分析重庆市板鞋竞速项目的现状与发展.  相似文献   
22.
从“换位思考”的视角,介绍了开展读者服务工作的经验,并以良好的工作实绩,论证了这种服务模式的有效性。  相似文献   
23.
福建晋江运动鞋产业集群实证研究与特点分析   总被引:1,自引:0,他引:1  
运用文献资料调研、数理统计及比较分析等研究方法,对福建晋江运动鞋产业集群阶段演进、发展特点及其集聚优势进行分析和实证研究。结果表明:晋江运动鞋产业集群发展具有明显的阶段性,其发展经历了萌芽阶段、OEM生产阶段以及自主品牌打造三个阶段。集群内企业具备了低成本优势、营销优势和信息与技术创新等优势,“区位品牌”突显,具备了完整的产业价值链和明显的空间集聚特征。但是在品牌和产业集聚的互动中仍受到:集群企业生产能力与创新能力,先进的装备工艺与人力资源,集群企业造牌成本与品牌价值,集群企业产业规模与单体生产能力,集群企业发展速度与发展空间等影响。为了促进晋江运动鞋产业集群的发展,应从科学制定促进产业集群发展的政策体系;深化群内企业的兼并、分工与合作,优化产业链结构;重视培植企业品牌和区域品牌,提升区域的产品质量和信誉;实现技术标准、经营体制、销售方式的国际化接轨;充分重视行业协会,完善社会化服务体系五方面入手进行改革与完善。  相似文献   
24.
跑鞋能量特性的理论探讨   总被引:5,自引:2,他引:3  
通过人在跑步中鞋的能量特性分析,得出如下结论:在跑速一定的情况下,鞋子越重,人体所消耗的能量就越多;在跑步中,鞋子水平方向的运动使人体消耗的附加能量比鞋子垂直方向运动要多得多;在受力大小一样的情况下,软鞋子内储存的弹性能比硬质鞋子内储存的弹性能要多;鞋子的弹性能能否被人体运动所利用则要考虑时间效应、频率效应和位置效应等几个因素。  相似文献   
25.
西门庆如同无厌地追逐女人一样 ,也无厌地寻觅长相漂亮的男童供自己玩弄。他有着足 (鞋 )恋倾向 ,尤其看重红色 ,不妨称之为“红鞋恋”。他主要是通过鞭恋行为与裸恋行为 ,达到性唤起的目的。“三恋”畸变心理的形成 ,恐怕与当时整个社会风气有关  相似文献   
26.
结合市场需求和高职院校的实际情况,分析了鞋模培养的可行性和必要性,并且介绍了在实际教学中一些有益的尝试。  相似文献   
27.
"勾鞋弹烟锅"是关中地区的一句俗语,它体现出了关中农村人广泛的生活内容、淳朴的生活习惯、交往方式等民俗文化信息,具有浓厚的民俗文化意义。  相似文献   
28.
BackgroundPrevious studies of foot strike patterns of distance runners in road races have typically found that the overwhelming majority of shod runners initially contact the ground on the rearfoot. However, none of these studies has attempted to quantify foot strike patterns of barefoot or minimally shod runners. This study classifies foot strike patterns of barefoot and minimally shod runners in a recreational road race.MethodsHigh-speed video footage was obtained of 169 barefoot and 42 minimally shod distance runners at the 2011 New York City Barefoot Run. Foot strike patterns were classified for each runner, and frequencies of forefoot, midfoot, and rearfoot striking were compared between the barefoot and minimally shod groups.ResultsA total of 59.2% of barefoot runners were forefoot strikers, 20.1% were midfoot strikers, and 20.7% were rearfoot strikers. For minimally shod runners, 33.3% were forefoot strikers, 19.1% were midfoot strikers, and 47.6% were rearfoot strikers. Foot strike distributions for barefoot and minimally shod runners were significantly different both from one another and from previously reported foot strike distributions of shod road racers.ConclusionFoot strike patterns differ between barefoot and minimally shod runners, with forefoot striking being more common, and rearfoot striking less common in the barefoot group.  相似文献   
29.
PurposeThis study examined variation in foot strike types, lower extremity kinematics, and arch height and stiffness among Tarahumara Indians from the Sierra Tarahumara, Mexico.MethodsHigh speed video was used to study the kinematics of 23 individuals, 13 who habitually wear traditional minimal running sandals (huaraches), and 10 who habitually wear modern, conventional running shoes with elevated, cushioned heels and arch support. Measurements of foot shape and arch stiffness were taken on these individuals plus an additional sample of 12 individuals.ResultsMinimally shod Tarahumara exhibit much variation with 40% primarily using midfoot strikes, 30% primarily using forefoot strikes, and 30% primarily using rearfoot strikes. In contrast, 75% of the conventionally shod Tarahumara primarily used rearfoot strikes, and 25% primarily used midfoot strikes. Individuals who used forefoot or midfoot strikes landed with significantly more plantarflexed ankles, flexed knees, and flexed hips than runners who used rearfoot strikes. Foot measurements indicate that conventionally shod Tarahumara also have significantly less stiff arches than those wearing minimal shoes.ConclusionThese data reinforce earlier studies that there is variation among foot strike patterns among minimally shod runners, but also support the hypothesis that foot stiffness and important aspects of running form, including foot strike, differ between runners who grow up using minimal versus modern, conventional footwear.  相似文献   
30.
论课程改革之复杂性逻辑:声辩及其构想   总被引:1,自引:0,他引:1  
新课改面临着诸多限制出现了"穿新鞋走老路"的现象,有学者在追问方式与归因方式上存在着对课程改革的简单性误读与误解,由此忽视与低估了课程改革的复杂性逻辑。消解简单性思维所诱发的偏执及其困顿,关键在于运用复杂科学的思维方式,进而从课程改革的非线性特征、过程性旨趣以及关系性品质三个维度为课程改革之复杂性进行声辩。  相似文献   
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