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高水平网球运动员训练和比赛负荷的实证研究
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作者 刘畅 侯会生 +2 位作者 沈大海 蒋丽萍 刘泽 《天津体育学院学报》 CAS 北大核心 2024年第2期241-248,共8页
RPE因其经济、简便的优点,广泛应用于网球运动员内部训练负荷的监控和评价。然而,RPE指标会受到非客观因素的干扰,这也必然影响到评价的准确性和教练员下一阶段训练计划的制定。在实际训练中,教练员应如何合理运用RPE指标评价运动员内... RPE因其经济、简便的优点,广泛应用于网球运动员内部训练负荷的监控和评价。然而,RPE指标会受到非客观因素的干扰,这也必然影响到评价的准确性和教练员下一阶段训练计划的制定。在实际训练中,教练员应如何合理运用RPE指标评价运动员内部训练负荷仍缺乏相关研究。本研究以中国国家网球集训队24名队员(12男12女)为研究对象,按男队员和女队员进行分组,同时将运动形式分为训练和比赛两种状态,分别将RPE指标与心率指标进行相关性分析。结果显示:(1)训练和比赛两种状态下,RPE与平均最大心率百分比和最高心率之间相关性均较低;(2)比赛状态下,所有队员s-RPE与Banister’s Trimp和Edwards’s TL均显著相关(P<0.05),而训练状态下,显著相关的比例分别为50%和41.7%(P<0.05),因此RPE指标在评价比赛状态下内部负荷量时更为客观;(3)训练状态和比赛状态下,女队员RPE指标与心率指标的相关性显著高于男队员,因此,RPE指标在评价女队员内部训练负荷时更为客观。本研究将为我国高水平网球运动员合理运用RPE指标客观评价内部训练负荷提供一定参考。 展开更多
关键词 RPE s-RPE 训练负荷 Banister’s Trimp edwards’s TL
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The English Translation of Lunyu and the Dissemination of the Confucian Culture
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作者 LU Ming-yan ZHANG Shun-sheng 《Journal of Literature and Art Studies》 2023年第3期178-183,共6页
As one of the carriers of Confucian culture,and from ancient times to the present,Lunyu or The Analects or The Analects of Confucius,has been well received by readers at home and abroad,and there are more and more Eng... As one of the carriers of Confucian culture,and from ancient times to the present,Lunyu or The Analects or The Analects of Confucius,has been well received by readers at home and abroad,and there are more and more English translations of Lunyu.This article will select some of the vocabulary translations with ancient Chinese characteristics in Lunyu as the object,employ the method of a comparative analysis to explore the cultural connotation behind the text and the dissemination of the translation,and discuss the translator’s translation strategies.Judging from the research on The Analects by scholars from home and abroad and the opening and development of overseas Confucius Institutes,Lunyu has exerted an enlightenment effect in different times. 展开更多
关键词 Lunyu Confucian culture culture-loaded words Amoy Ku’s version William edward soothill’s version TRANsLATION
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Does scatter-hoarding of seeds benefit cache owners or pilferers? 被引量:3
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作者 Haifeng GU Qingjian ZHAO Zhibin ZHANG 《Integrative Zoology》 SCIE CSCD 2017年第6期477-488,共12页
The scatter-hoarding behavior of granivorous rodents plays an important role in seed dispersal and seedling re­generation of trees,as well as the evolution of several well-known mutualisms between trees and roden... The scatter-hoarding behavior of granivorous rodents plays an important role in seed dispersal and seedling re­generation of trees,as well as the evolution of several well-known mutualisms between trees and rodents in for­est ecosystems.Because it is difficult to identify seed hoarders and pilferers under field conditions by traditional methods,the full costs incurred and benefits accrued by scatter-hoarding have not been fully evaluated in most systems.By using infrared radiation camera tracking and seed tagging,we investigated the benefits and losses of scatter-hoarded seeds(Camellia oleifera)for 3 sympatric rodent species(Apodemus draco,Niviventer confu­cianus and Leopoldamys edwardsi)in a subtropical forest of Southwest China during 2013 to 2015.We estab­lished the relationships between the rodents and the seeds at the individual level.For each rodent species,we calculated the cache recovery rate of cache owners,as well as conspecific and interspecific pilferage rates.We found that all 3 sympatric rodent species had a cache recovery advantage with rates that far exceeded average pilferage rates over a 30-day tracking period.The smallest species(A.draco)showed the highest rate of scat­ter-hoarding and the highest recovery advantage compared with the other 2 larger species(N.confucianus and L.edwardsi).Our results suggest that scatter-hoarding benefits cache owners in food competition,supporting the pilferage avoidance hypothesis.Therefore,scatter-hoarding behavior should be favored by natural selection,and plays a significant role in species coexistence of rodent community and in the formation of mutualism between seeds and rodents in forest ecosystems. 展开更多
关键词 Chinese white-bellied rat edward’s long-tailed rat oil tea scatter-hoarding benefits south China field mouse
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