光纤流量计的稳定性分析

分析了反射式光纤涡街流量计在管道内流体的流动为层流和紊流时光纤的受迫振动，分析表明在层流和条流状态下，光纤所受张力与单位光纤长度的质量比满足Ｔ／ρ＞＞（０．４ｖＤ／ｄ）￣２时，光纤的振动及反射回到光纤的光强变化只与外力变化频率有关。实验结果已证实了本文分析的正确性。     

加强产学研合作 推动工程教育发展

就高等学校工程教育的发展趋势,阐述了产学研合作是工程教育的重要内容,要建立以企业为主、市场导向、产学研相结合的技术创新体系。这意味着高校、企业将在技术创新、人才培养等方面建立新的互动发展模式。产学研合作教育的探索和实践是工程教育深化改革、提高质量的重要环节。     

地震荷载作用下钢筋混凝土安全壳的可靠性分析

对秦山核电站的钢筋混凝土安全壳进行了地震可靠性分析．结构系统极限破坏的可靠度采用稳定构形法（ＳＣＡ）和三维有限元法的应力分析（ＦＥＭ）来估计．结构系统的破坏定义为所有可能的稳定构形破坏事件的交集．用２ＳＳＥ地震作为输入地震荷载．地面运动假设为具有田治见洪－金井清谱的零平均平稳高斯过程．基于在不同峰地面加速度下计算的条件破坏概率，给出了系统极限状态的破坏概率以及初始屈服时的年破坏概率．     

走近电影:后现代电影批评的几个关键词

桑塔格所提出的“反对阐释”和“新感受力”等概念与海德格尔关于“艺术”、“艺术的本质”的思考有内在的联系。他们所着眼的都是现象自身。对海德格尔来说,西方艺术本质的历史与真理本质的转换是相对应的,其获得的途径是从体验出发的;桑塔格认为,新感受力必须根植于人类历史上新出现的那些体验,以此同海德格尔关于从诗中寻找适宜于技术时代的人类的生存状态相呼应。在后现代所出现的新的文化形态面前,特别是今天面对以数字技术为核心的电影现象,桑塔格开启了对后现代电影的新的进入方式。     

看不见风景的草编艺人

北京会议中心的人群中,一位女士的声音听起来很美,她一直夸赞着吴凤章的手工技艺,说要把他编的蝈蝈送给自己的女儿。她还问起吴凤章失明后的生活和身体状况,离开前,那个声音告诉吴凤章:"我是彭丽媛"。2014年11月10日,吴凤章作为辽宁残疾人士的唯一代表,到北京APEC会议参加了"促进残疾人共享经济社会发展成果"主题下的残疾人才艺展示活动。在现场,吴凤章为部     

Statistical methods for handling missing data to align with treatment policy strategy

The International Council for Harmonization (ICH) E9(R1) addendum recommends choosing an appropriate estimand based on the study objectives in advance of trial design. One defining attribute of an estimand is the intercurrent event, specifically what is considered an intercurrent event and how it should be handled. The primary objective of a clinical study is usually to assess a product's effectiveness and safety based on the planned treatment regimen instead of the actual treatment received. The estimand using the treatment policy strategy, which collects and analyzes data regardless of the occurrence of intercurrent events, is usually utilized. In this article, we explain how missing data can be handled using the treatment policy strategy from the authors' viewpoint in connection with antihyperglycemic product development programs. The article discusses five statistical methods to impute missing data occurring after intercurrent events. All five methods are applied within the framework of the treatment policy strategy. The article compares the five methods via Markov Chain Monte Carlo simulations and showcases how three of these five methods have been applied to estimate the treatment effects published in the labels for three antihyperglycemic agents currently on the market.     

社会治理共同体:推进基层公共安全治理现代化的基石——基于结构化理论的分析视角

社会治理共同体建设不仅是推进国家治理现代化的必然要求,同样也是维护国家安全和社会稳定的重要手段。立足于中国基层治理的现实场域,考察社会治理共同体的建设实践,发现其主体多元性、行动协同性和能力聚合性,可以有效适配和契合公共安全问题的来源广泛性、影响扩散性和应对复杂性。同时社会治理共同体结构能够通过能力汇聚机制、规则约束机制和价值引领机制的运作过程形成治理合力和共同行动,从而有序有效地应对和处理公共安全问题。但在社会治理共同体的实际建设当中,仍面临着主体能力有限参与不足,规矩约束不及不适和价值导向多元无序的现实困境。有鉴于此,可以采用激活培育治理主体、创新完善治理机制以及营造优化治理环境来进一步发挥社会治理共同体在基层公共安全治理中的协同作用。     

An Investigation into the Cross-Cultural Equivalence of the Personal Wellbeing Index

The Personal Wellbeing Index (PWI) is being developed for the cross-cultural measurement of subjective wellbeing (SWB). This paper reports the findings of its utility with the Hong Kong Chinese and Australian populations. An item on affect, ‘satisfaction with own happiness’ was also investigated to determine whether it should be added to the index. Three-hundred and sixty participants (180 per country), with equal representation from groups aged 18–35, 35–64 and 65 years and above, were recruited from each country. The PWI demonstrated good psychometric performance in terms of its reliability, validity and sensitivity, which are comparable in both countries. The item ‘satisfaction with own happiness’ was found to contribute significantly to the scale’s psychometric performance in Australia but not in Hong Kong. Cultural differences in the perception of the concepts ‘satisfaction’ and ‘happiness’ were suggested as an explanation for this finding. The PWI data are also consistent with homeostasis theory, which proposes that each person’s SWB level is maintained within a limited positive range. For the Australian population, their mean SWB level fell within the established Western range of 70–80, on a scale from 0 to 100. The Hong Kong population, however, fell below this range. Cultural response bias was identified as a plausible explanation for the differences between the Hong Kong and Australian samples.     

电影研究中的影像本位问题

讨论电影研究中的影像本位与视觉本位问题,是为了解决电影研究的共同基础,即出发点问题。同时也可证明本位问题在电影研究中的重要意义。     

“新感受力”的当下意义

苏珊·桑塔格“新感受力”概念是对后现代艺术现象的应对策略。从现代艺术发展角度看,在艺术与科技的相融过程中,艺术已经转换为泛文化现象,传统哲学的逻各斯中心主义所设立的概念对立、界限、不平等等等都被消解了,审美的感性内涵获得了解放。所谓“新感受力”之“新”,是针对传统的对内容阐释的旧感受力而言,是回应了泛文化新现象;更重要的是,它肯定了人对世界把握的多元性,强调了感性在认识论中的地位和价值。