由“河堤决口了,洪水冲过来了”说开去

复句中的语义关系既是事物之间客观联系的反映,又是人们主观视角的反映。在事物之间的客观联系保持固定的情况下,人们的主观视角会随着认知需求的变化而变化。表现在复句中,则是适时添加复句关系词。并列范畴转化为因果范畴是人的特定视角的转化,这需要一定的客观条件,同时又必须有一定的认知作为前提。     

Perceived health problems in swimmers according to the chemical treatment of water in swimming pools

The objective of this study was to determine which chemical treatment used for disinfecting water in indoor swimming pools had the least impact on users' perceptions of health problems, and which generated the greatest satisfaction with the quality of the water. A survey on satisfaction and perceived health problems was given to 1001 users at 20 indoor swimming pools which used different water treatment methods [chlorine, bromine, ozone, ultraviolet lamps (UV) and salt electrolysis]. The findings suggest that there is a greater probability of perceived health problems, such as eye and skin irritation, respiratory problems and skin dryness, in swimming pools treated with chlorine than in swimming pools using other chemical treatment methods. Pools treated with bromine have similar, although slightly better, results. Other factors, such as age, gender, time of day of use (morning and afternoon) and type of user (competitive and recreational), can also affect the probability of suffering health problems. For all of the above, using combined treatment methods as ozone and UV, or salt electrolysis produces a lower probability of perceived health problems and greater satisfaction.     

Active recovery of the finger flexors enhances intermittent handgrip performance in rock climbers

This study aimed to (1) evaluate the effect of hand shaking during recovery phases of intermittent testing on the time–force characteristics of performance and muscle oxygenation, and (2) assess inter-individual variability in the time to achieve the target force during intermittent testing in rock climbers. Twenty-two participants undertook three finger flexor endurance tests at 60% of their maximal voluntary contraction until failure. Performances of a sustained contraction and two intermittent contractions, each with different recovery strategies, were analysed by time–force parameters and near-infrared spectroscopy. Recovery with shaking of the forearm beside the body led to a significantly greater intermittent test time (↑ 22%, P?P?P?相似文献   

#OscarsSoWhite: how Stuart Hall explains why nothing changes in Hollywood and everything is changing

ABSTRACT

Stuart Hall’s work on culture, representation, ideology and hegemony positions Hollywood as a cultural institution informed by and informative of US social values and norms. Thus contemporary debates over Hollywood's diversity are indicative of broader social conflicts. Empirically the article examines 2014–2015 news coverage of Hollywood to question the Hollywood paradox—the lack of diversity in film/TV production yet TV’s increasing shift towards on-screen diversity. It maps three discursive frames: Hollywood exceptionalism, economic imperatives, and institutionalized racism and sexism. The article concludes by using Hulu’s East Los High to reflect on TV’s digital turn and innovative models in production and representation.     

试论健美操运动对校园体育文化的影响

本文从健美操与校园体育文化两者的功能出发,探讨两者之间的关系。研究表明,健美操作为当代高校一种新兴的校园体育活动,不仅丰富了校园体育文化的内涵,同时对整个校园体育文化的发展方向和结构布局均有着重要的影响。反之,丰富多彩的校园体育文化活动是健美操运动赖以生存和发展的基础,两者相互依赖,相互促进,共同发展。     

李清照作品的女性特色

李清照是中国文学史上创造力最强、艺术成就最高的女性作家。综观李清照的作品,不仅题材丰富,其体裁更可谓诗词文赋兼擅,欢愉之作亦工,悲苦之篇尤胜。李清照作品的多姿多采,是其饱尝人间甘苦的人生所决定的。她的词不论是写少女的天真活泼,还是写少妇的相思、幽怨,抑或写老年嫠妇的凄苦境遇,无不表现出一种与众不同的情趣和韵味,令人回味无穷。她词作中所展现的女性情感世界,完美的艺术技巧,充分展示了其个性,揭示了女性生活中婉美、多情的一面,而且以其不同时期的作品,构成了一部女性情感历程的巨著。     

带式输送机虚拟实验系统在教学实际中的应用

带式输送机有着非常复杂但很有效的结构和电液控制系统,如果在教学中加入对于这一环节的学习与研究,对于培养出全面的工程型人才能够起到非常关键的作用。结合目前的教学实践需求,提出了带式输送机的模拟实验系统和基于Automation Studio的虚拟实验系统。这两种系统能够让学生全面了解带式输送机的结构及其工作原理,也解决了教师的教学中缺乏实践环节的困扰。     

高校招生中“加分降线投档”政策之分析

“享受加分考生名单、录取结果要公示”,是高校招生要实现公开、公平与公正政策的表现之一。从公共政策和理性的视角审视,“加分降线投档”政策是政府为了解决招生过程中出现的特殊群体问题而制定的具体政策,具有公共政策的特质,对教育行动具有导向作用；该政策也是人们充分运用理性的结果,既能体现工具理性,也虑及价值平衡问题,给价值理性留有一定空间。     

论胡赫翼的管理和军事才能

被称为成同中兴三大名臣之一的胡林翼，在整顿贵州、经营湖北方面均体现出了他杰出的管理才能，而在湖北对太平天国的镇压，又凸显了他杰出的军事才能。对胡林翼的文武之才进行论述和考证，深入了解胡林翼的思想和才能，进一步分析研究湘军和中国近代史。     

英语会话幽默产生的语用分析

由于中英两种语言的差异和中西方思维方式的不同 ,许多人认为英语幽默不但不幽默 ,而且晦涩难懂。笔者从语用学的角度对某些英语会话幽默的产生进行分析 ,希望对增强英语幽默的欣赏能力、真正理解英语幽默的实质及趣味性等方面有所帮助