心理倒U型假说与篮球比赛的相关研究

以武汉体院男篮和湖北省男篮队员为研究对象,通过问卷调查对篮球比赛过程中影响运动员水平发挥的心理因素进行了分析,得出结论：篮球运动员只有处在一个适中的心理唤醒水平,才会发挥出较好的水平,赢得最好的比赛成绩.     

The methodological origins of Newton’s queries

This paper analyses the different ways in which Isaac Newton employed queries in his writings on natural philosophy. It is argued that queries were used in three different ways by Newton and that each of these uses is best understood against the background of the role that queries played in the Baconian method that was adopted by the leading experimenters of the early Royal Society. After a discussion of the role of queries in Francis Bacon’s natural historical method, Newton’s queries in his Trinity Notebook are shown to reveal the influence of his early reading in the new experimental philosophy. Then after a discussion of Robert Hooke’s view of the role of queries, the paper turns to an assessment of Newton’s correspondence and Opticks. It is argued that the queries in his correspondence with Oldenburg on his early optical experiments are closely tied to an experimental program, whereas the queries in the Opticks are more discursive and speculative, but that each of these uses of queries represents a significant Baconian legacy in his natural philosophical methodology.     

中国股票A股市场随机游走模型的检验

本文简要介绍了金融市场有效性的概念和非稳定过程的形式和特点 .运用时间序列分析中的单位根检验的方法 ,对 2 0 0 0年度上海证券交易所和深圳证券交易所 A股指数的日收盘值进行了研究 .分析结果表明 ,两个市场 A股指数的数据生成过程遵从带漂移项的随机游走模型 ,由此得出中国股票 A股市场为一弱有效市场的结论 ,并为投资者提出了一些建设性的意见和建议 .     

Copular Usage under Cross Linguistic Influence

According to Lado（1957：2） in the Contrastive Analysis Hypothesis, a student who comes into contact with a foreign language will find some features of it quite easy and others extremely difficult. Those elements that are similar to his native language will be simple for .him and those elements that are different will he difficult. Corder （1981： 101）added that where the mother tongue is formally similar to the target language, a learner will pass more rapidly along the developmental continuum （or some parts of it）than where it differs. Eric Kellerman（1986） also believed that learners have intuitions about which language features they can transfer from their first language to the target language and which are less likely to be transferable. And Lee（1968）even held that the interference coming from the learner＇s native language to be the sole cause of difficulty and error in foreign language learning. Given that the Chinese character sbi functions the same as an English copula, 1 would like to apply two theories to illustrate the syntactic features associated with copular usages in this dissertation.     

English engineer John Smeaton's experimental method(s): Optimisation,hypothesis testing and exploratory experimentation

In this paper I provide a detailed account of eighteenth-century engineer John Smeaton's experimental methods, with the aim of bringing our understanding of his work into line with recent research in the history and philosophy of science. Starting from his use of the technique of parameter variation, I identify three distinct methodological aims in the research he carried out on waterwheels, windmills and hydraulic mortars. These aims are: optimisation, hypothesis testing and maxim generation. The main claim of this paper is that Smeaton did more than merely improve engineering methods by systematising earlier artisanal approaches, which is the classic view of Smeaton's method developed by historians of technology in the 1990s. I argue instead that his approach bridged the divide between science and technology, by integrating both hypothesis testing and exploratory experimentation. This is borne out, in particular, by the way that Smeaton emphasised the exploratory side of the work he published in the Philosophical Transactions, in contrast to his account of the construction of the Eddystone lighthouse, which was aimed at a broader, non-specialist public. I contribute to recent research on exploratory experimentation by showing – in line with other work on this topic – that exploratory experimentation is not incompatible with hypothesis testing. This new perspective on Smeaton's method will hopefully lead to further research and new insights into the relation between science and technology at the start of the Industrial Revolution.     

事件结构概念隐喻的哲学基础与萨丕尔—沃尔夫假说

上世纪90年代,人们对萨丕尔—沃尔夫假说提出了新的认识,支持"假说"关于语言范畴影响思维范畴的观点。文章持不同观点。通过对英汉事件结构概念隐喻的对比研究,发现英汉两种不同语言在该概念隐喻化过程中存在极大的相似性,并从产生相似性的哲学基础——体验哲学的角度,推论出不同的语言并未影响不同的隐喻化思维。     

正态总体方差假设检验中两类错误的探讨

定义了正态总体方差检验的OC函数,探讨了其性质,并给出了一种控制两类错误下最小样本容量确定的方法.且可应用于实际工作中.     

分形：非线性科学理论、创新与实践

分形理论成型于20世纪70年代,乃是当代最重要的非线性科学理论分支之一。分形理论主要以自然和社会科学领域广泛存在的＂粗糙＂为研究对象,试图发掘不规则中存在的规则。分形理论的产生对人们的哲学观和方法论由线性科学领域渗入非线性科学领域产生了重大影响。本文简要介绍了分形理论的产生和发展及在我国的研究现状,然后对分形理论应用于资本市场做了系统分析。我们希望本文的基础讨论能为后续深入研究提供指引。     

不同冠高腾冲栲叶片结构及其影响因子

树高的水力限制假说认为树木顶端的叶片受到水分胁迫后气孔导度降低,从而减少了碳积累,并限制了顶端生长和树木高生长.然而有实验表明美国黄松(Pinus ponderosa)叶片内非结构性移动碳化合物(NSC)并没有随着高度的增加而降低.为了解阔叶树种中NSC是否表现出同样的规律,以及结合NSC、叶片形态特征和水力结构来进一步综合探讨树木高生长的限制机理,我们测量了腾冲栲不同高度梯度的叶片大小、叶片表皮细胞大小、气体交换、NSC含量以及木质部导管大小.结果发现随着高度增加,叶片大小和表皮细胞大小在降低;气孔导度、单位干重和单位面积的光合速率都没有下降;单位干重和单位叶面积的可溶性糖含量在升高;单位干重和单位叶面积的淀粉含量维持在一个稳定的水平.这说明叶片和表皮细胞变小可能不是由于碳获得减少造成的,树木高生长的停滞可能并不能从单位叶片的碳积累不足角度来解释.木质部导管直径随树木长高在减小,表明水分传导能力减小,因而高处叶片可能遭受更低的水势和膨压使细胞生长受限.     

风险最佳检驗及其应用

本文将统计图形识别问题转化为风险的最佳假设检验问题,并用之于对机器运行是否正常的判断。