中频电源故障分析及维修

介绍了中频电源的工作原理,分析了几种中频电源中常见的故障,并以实例阐述了电源故障的处理方法和维修经验。     

大气污染控制工程创新性实验的探索与思考

结合本校＂培养高级应用型人才＂的办学宗旨和环境工程专业的办学理念,从提高学生素质和创新能力出发,就大气污染控制工程课程创新性实验的经验和体会进行了总结。     

论文学

文学是个非常古老的精神活动、精神形式,但人们对它既熟悉又陌生,熟知却未必真知。加上西方20世纪80年代发生了文学的＂文化转向＂后,文学的疆界变得无限开阔,而其自身的界定也面临空前的危机。因此,对＂文学是什么＂的回答就成了一个迫切的学术问题。而此前的＂形象论＂、＂表现论＂和＂审美意识形态论＂文学观都存在着严重不足,故而需要另辟蹊径,再进行新的界定。新的结论是：从其本源上看,文学是一种高级的魅态文化形式;从其历史面貌上看,文学是个历史性的家族,表现为文学观、特征论、形式定位、流派形态,同时还呈现为杂化和纯化的周期性变奏;从本质的抽象定义看,文学则是象征性的语言艺术,它不以科学和实用为目的,而以想象性超越和诗性的解放为旨归。中国当代文学的致命危机就是＂象征性＂传统谱系的断裂。     

Banach空间中序压缩映射方程组的不动点定理

在Banach空间中引入了几种按序压缩的压缩型映射,用半序的方法讨论了一类非线性映射方程组的不动点的存在性,并推广了相应定理.     

新媒体对高校思想政治教育的影响与应对

新媒体对于当代大学生来说已不再仅仅是一种工具,而是形成了一种环境。本文分析了新媒体环境下高校思想政治教育存在的困境及其给高校思想政治教育带来的机遇,提出要从构筑新媒体教育平台、创新思想政治教育话语、提升大学生新媒体素养、加强思想政治教育工作者队伍建设等方面探索大学生思想政治教育的新路径。     

现代汉语二合复句中分句语气异类组配的倾向性研究

现代汉语二合复句内分句语气同类组配是主体,异类组配是次要的。前后分句语气异类组配的使用频率具有一定的倾向性：陈述与疑问／祈使／感叹的组配〉疑问／祈使／感叹之间的两两组配;陈述＋疑问／祈使／感叹〉疑问／祈使／感叹＋陈述。陈述语气与疑问／祈使／感叹共享特征的数量都多于疑问、祈使、感叹两两语气之间共享特征的数量,因此前者是优势组配。疑问／祈使／感叹居前时通常要满足三个条件,居后时不受此限制,因此疑问／祈使／感叹居后是优势组配。     

信息时代译者的读者立场

在信息时代,翻译更应强调译者的“读者立场”。特别是在最能反应时代脉搏跳动的网络、多媒体、新闻报刊及广告等文体的翻译中,译者要站在读者的立场上,调整翻译策略,实现翻译目的。     

Application of network meta-analysis in the field of physical activity and health promotion

Continued advancement in the field of physical activity and health promotion relies heavily on the synthesis of rigorous scientific evidence. As such, systematic reviews and meta-analyses of randomized controlled trials have led to a better understanding of which intervention strategies are superior (i.e., produce the greatest effects) in physical activity-based health behavior change interventions. Indeed, standard meta-analytic approaches have allowed researchers in the field to synthesize relevant experimental evidence using pairwise procedures that produce reliable estimates of the homogeneity, magnitude, and potential biases in the observed effects. However, pairwise meta-analytic procedures are only capable to discerning differences in effects between a select intervention strategy and a select comparison or control condition. In order to maximize the impact of physical activity interventions on health-related outcomes, it is necessary to establish evidence concerning the comparative efficacy of all relevant physical activity intervention strategies. The development of network meta-analysis (NMA)—most commonly used in medical-based clinical trials—has allowed for the quantification of indirect comparisons, even in the absence of direct, head-to-head trials. Thus, it stands to reason that NMA can be applied in physical activity and health promotion research to identify the best intervention strategies. Given that this analysis technique is novel and largely unexplored in the field of physical activity and health promotion, care must be taken in its application to ensure reliable estimates and discernment of the effect sizes among interventions. Therefore, the purpose of this review is to comment on the potential application and importance of NMA in the field of physical activity and health promotion, describe how to properly and effectively apply this technique, and suggest important considerations for its appropriate application in this field. In this paper, overviews of the foundations of NMA and commonly used approaches for conducting NMA are provided, followed by assumptions related to NMA, opportunities and challenges in NMA, and a step-by-step example of developing and conducting an NMA.     

论太极拳中的“逆向运动”

太极拳是中华武术的一朵奇葩,它以人为本,强调以拳为形式,来达到“太极”这种“自如、自然、和谐”的“状态”。文章引入了“反向”与“不自如”的运动——逆向运动,研究了逆向运动在太极拳中的体现。     

对体育高考男生立定三级跳远3跳比例特征的调查研究

通过2007,2008两年期间,抽样调查测量了260名参加安徽省体育高考加试男生的立定三级跳远3跳成绩,对其3跳比例进行研究,结果显示：被研究不同成绩段落的考生3跳比例不尽相同,但总体立定三级跳远的3跳均值比例为24.8%、31%和44.2%。成绩在9m以上男生三级跳远的3跳均值比例为23.20%、32.05%、44.75%。