二维变系数线性微分系统的求解定理

给出二维变系数线性微分系统在已知某解的情形下求通解的公式,并直接应用此公式,导出几类二维变系数线性微分系统的通解公式.对理论和实际应用都是有益的.     

基于提前期的多阶通用件库存模型

针对单个企业内部应用通用件的环境,在假定一个多阶生产系统的基础上,对应用通用件的库存量水平及其成本进行了分析,建立了多阶通用件库存模型,提出通过对采用通用件和不采用通用件的成本差异的比较,来决策多阶生产系统中在哪一阶工序采用通用件,并求解出每一阶工序优化的基本库存水平。     

A Framework for Analyzing the Economic Tradeoffs Between Urban Commerce and Security Against Terrorism

This article presents a framework for economic consequence analysis of terrorism countermeasures. It specifies major categories of direct and indirect costs, benefits, spillover effects, and transfer payments that must be estimated in a comprehensive assessment. It develops a spreadsheet tool for data collection, storage, and refinement, as well as estimation of the various components of the necessary economic accounts. It also illustrates the usefulness of the framework in the first assessment of the tradeoffs between enhanced security and changes in commercial activity in an urban area, with explicit attention to the role of spillover effects. The article also contributes a practical user interface to the model for emergency managers.     

国内外阅读障碍研究对比分析与国内研究前景展望

阅读障碍亦称诵读障碍或拼写障碍,是一种与脑部相关的学习障碍。阅读障碍研究集心理语言学、心理学、认知科学、医学等诸多学科于一体,是近年来国内外学术界的研究热点之一。梳理国内外阅读障碍的研究团队发展状况,分析国内外阅读障碍研究在诊断、表征、成因以及干预四个方面的异同,探讨国内阅读障碍研究的发展前景,对促进本领域的深入研究大有裨益。     

Asymptotic approximations to the distribution of Kendall's sample τ

This paper provides a saddlepoint approximation to the distribution of the sample version of Kendall's τ, which is a measure of association between two samples. The saddlepoint approximation is compared with the Edgeworth and the normal approximations, and with the bootstrap resampling distribution. A numerical study shows that with small sample sizes the saddlepoint approximation outperforms both the normal and the Edgeworth approximations. This paper gives also an analytical comparison between approximated and exact cumulants of the sample Kendall's τ when the two samples are independent.     

Whither practice-near research in the modernization programme? Policy blunders in children's services

In this article, we lament the effects of practice-distant research and associated policy initiatives on contemporary children's services in England. In the last decade, as a result of high profile inquiries into non-accidental child deaths, statutory children's social care services in the UK have been subject to a wide-reaching ‘modernization’ programme. We studied decision-making in the high blame environment of local authority children's services. Our research sought to examine the relationship between performance management and the impact of anticipated blame within the decision-making practices of those providing, supervising and managing these services. We show that systems and technologies can be developed which both assist the users in their daily work and achieve desired organizational goals, but without an ethnographically informed, practice-near approach, unsafe work regimes and practices can ensue.     

清雍正朝改土归流的原因、策略与效用

清雍正朝的改土归流是一次重要的社会变革,也是明代以来诸多改土归流中规模最大的一次。本文根据新近披露的边疆大吏奏疏和其他史料,探讨此次改流的原因、实现改流的策略以及改流产生的效用,对以往的一些观点亦提出商榷,同时总结清雍正朝施政的若干特点。     

论苏东坡黄州词的创新及原因分析

苏东坡对词的最大贡献公认是扩大了词的题材范围,提高了词的表现力和社会功能,提升了词的品位,指出了词的向上一路,使之与诗相媲美,成为传统文学上的双璧。他对词的创新在贬居黄州时期表现更为突出,《念奴娇.赤壁怀古》被认为是豪放词的代表之作。通过对他在黄州时期的生活状况、生活环境、思想情感及创作特色等方面的分析,可以看出,是黄州特殊的生活经历和人文环境给他提供了新的创作条件和创作思路,是苏词创新的推动力。     

Retrofitting Drucker: Knowledge work under cognitive capitalism

This article uses Peter Drucker's work vector-like, to carry the thesis of cognitive capitalism into the management field. Drucker's prophetic insights into the knowledge society are juxtaposed with recent, Italian autonomist Marxist-inspired analyses of capitalism's cognitive phase. If the capacity to create knowledge – or what autonomists call the ‘general intellect’ – is becoming the key productive force, arguably there is a need for a full-blown social form of knowledge management. Our reading of Drucker thus retrieves the one worthwhile thing from the rubble of normative knowledge management. It is the idea of society-level knowledge management premised on a universal and unconditional guaranteed basic income (GBI; or social wage). Basic income represents not just a social investment in knowledge, which Drucker himself called for, but also compensation for biolabour's augmented social productivity. With Drucker as the steppingstone, we conclude, the autonomist tradition merits greater attention from critical management and organisational scholars interested in factoring class and gender back into the knowledge management equation.     

立法语言的语体(下)

立法语言是准确表达立法意图、立法目的和体现立法政策的一种专门载体,比一般的语言文字严谨、规范、简洁、通俗、明确。法律文本大到行文成篇,小至遣词用字,都应当予以足够的重视,要求既符合作为法律行业特殊语体的习惯和规则,也要符合国家通用语言文字(普通话)的语法、语义要求。根据我国立法文本的用字和用词、立法语言的口语以及立法语言的外来词等方面的统计、分析和研究,我们发现立法语言具有通用语言文字和特殊行业语言的双重特点,自然也要接受、符合通用语言文字和法律行业语言的双重规范。