巷道顶板事故及防治

顶板事故是在矿井开采采过程中,由于顶板意外冒落导致的人员伤亡、设备损坏、生产终止等安全事故。随着煤矿开采的加深、巷道断面加大等,工作面和巷道的顶板事故预防日趋重要。本文主要阐述了巷道掘进顶板事故类型、掘进冒顶的主要预兆、支架支护巷道冒顶事故的原因与预防、锚杆支护巷道冒顶事故等问题。     

2004-2012年我国建筑施工事故统计分析

我国建筑施工安全事故频发,严重影响到建筑业的可持续发展。本文采用直方图、趋势图、圆形结构图和事故分析表等对2004-2012年我国建筑施工事故进行统计,从事故的发生次数、死亡人数、事故类型及地区分布等几个方面进行分析,归纳出了建筑施工事故的发生规律,并针对事故发生规律提出了建筑施工安全管理的对策与建议。     

弹药维修事故致因理论及预防研究

对事故致因理论的了解,有助于分析事故产生的原因及发展,能够预先提出措施,减少事故发生的概率。针对弹药维修过程中产生事故的原因和发展等问题,在给出弹药维修事故定义和主要事故类型的前提下,运用综合-动态事故致因理论,建立了弹药维修事故致因理论分析模型。通过该理论模型,对弹药维修事故产生的原因与发展做了进一步研究,分析了人、物、环境和管理等因素对弹药维修事故产生的影响,给出各因素之间内在联系,并制订了弹药维修事故的预防措施,从多方面、多角度降低事故发生的可能性。     

浅谈煤矿机电事故原因及预防措施

煤矿机电事故指机电设备(设施)导致的事故,包括运输设备在安装、检修、调试过程中发生的事故,发生在低、高压电网,直流架空线的人身触电事故等。该文通过分析我国近些年来煤矿机电事故的特点、原因及在煤矿各类事故中所占比例,提出加强煤矿机电事故的预防措施。     

急倾斜煤层顶板事故原因及防治措施研究

本文介绍急倾斜煤层顶板事故的主要类型:漏垮型事故、压垮型事故、推垮型事故和冲垮型事故,并分析引起顶板事故的原因,以此为依据针对性的提出顶板事故的防治措施,如加强施工管理、定期维护检测等,以减少顶板事故的发生,给我国煤矿开采过程中的顶板支护提供参考。     

煤矿瓦斯地质规律探讨

目前,煤矿安全生产的健康发展一直受到了瓦斯灾害事故的威胁,瓦斯灾害事故在煤矿安全生产事故中占主导地位,而瓦斯爆炸事故在瓦斯灾害事故中又特别突出。本论文先通过对矿井瓦斯地质影响因素进行分析,发现煤体自身性质、煤层赋存条件、地质构造等因素对煤层瓦斯含量的影响,并从火源安全管理、瓦斯安全管理等角度给出了瓦斯事故的预防及防治措施。     

煤矿机电事故分析浅析

煤矿机电事故指机电设备(设施)导致的事故,包括运输设备在安装、检修、调试过程中发生的事故,发生在低、高压电网,直流架空线的人身触电事故等.该文分析了我国近10年来煤矿机电事故的特点、原因及在煤矿各类事故中所占比例,提出如何加强煤矿机电事故的预防措施,具有一定借鉴意义.     

浅谈煤矿机电事故分析及预防措施

煤矿机电事故指机电设备(设施)导致的事故,包括运输设备在安装、检修、调试过程中发生的事故,发生在低、高压电网,直流架空线的人身触电事故等.该文通过分析我国近10年来煤矿机电事故的特点、原因及在煤矿各类事故中所占比例,提出加强煤矿机电事故的预防措施.     

煤矿机电事故分析浅析

煤矿机电事故指机电设备（设施）导致的事故,包括运输设备在安装、检修、调试过程中发生的事故,发生在低、高压电网,直流架空线的人身触电事故等。该文分析了我国近10年来煤矿机电事故的特点、原因及在煤矿各类事故中所占比例,提出如何加强煤矿机电事故的预防措施,具有一定借鉴意义。     

浅析煤矿采煤工作面顶板事故原因及其防治措施研究

随着社会和经济的不断发展,煤矿企业也在不停地提高自身的经济效益和社会效益,但是在煤矿生产过程中,煤矿事故在井下经常会出现,主要有突水、瓦斯、顶板、粉尘等事故,然而,这些事故中最为经常发生的是项板事故,占到整个煤矿事故的百分之六七十左右,顶板事故经常会由小区域内的岩块掉落,发展到整个工作面会出现大范围的冒顶等,正是由于这类事故具有多发性,并且煤矿工人极易忽略这类事故,所以这类事故已经引起了煤矿企业地领导的高度重视和关注。本文对煤矿采煤工作面顶板事故原因及其防治措施进行分析研究。     

电子音乐流派的社会变革(英文)

从社会和政治变化、电子音乐流派的发展,形成了电子音乐,科学和技术的发展对电子音乐有重大的影响。他们是四个不同历史时期的发展——未来派,法西斯主义,达达派、电子音乐的时期。从最早使用:麦架,嘘声,窃窃私语,爆炸等。音乐和表达感情的表现,在阶级斗争,政治变革和经济危机、发展迅速的电子音乐,用在许多不同的零件,例如播放音乐、电影、电视等,都成了一个必不可少的组成部分的音乐市场。     

The Geography of Innovation in China and India

The BRICS countries in general, and China and India in particular, are now widely regarded as the areas of the world likely to challenge the economic leadership of the United States (US) and the European Union (EU). A large part of this challenge will come from rapid technological catch‐up by China and India. Yet, despite a recent rise in interest, there is limited knowledge about how and where innovation takes place in these two leading emerging countries and to what extent the Chinese and Indian territorial systems of innovation differ from those in the EU or the US. In this article we explore the geography of innovation in China and India, concentrating on understanding key territorial‐level innovation trends by country, region and technology field, using the US and the EU as benchmarks. We find significant contrasts between the geography of innovation in China and India and that of the US and the EU. First, the degree of concentration of innovative activities in both countries is extremely high. Levels of agglomeration of innovation in the coastal provinces of China, as well as in Delhi and the South of India, significantly exceed the levels of agglomeration found in the USA and the EU. Secondly, China has witnessed a more rapid increase in the degree of concentration of innovation than India. We posit that the differences in the geography of innovation between, on the one hand, China and India and, on the other hand, between these countries and the developed world are rooted in different institutional settings, different systems of innovation and different national innovation strategies.     

WHAT'S TO KNOW ABOUT THE CREDIBILITY OF EMPIRICAL ECONOMICS?

The scientific credibility of economics is itself a scientific question that can be addressed with both theoretical speculations and empirical data. In this review, we examine the major parameters that are expected to affect the credibility of empirical economics: sample size, magnitude of pursued effects, number and pre‐selection of tested relationships, flexibility and lack of standardization in designs, definitions, outcomes and analyses, financial and other interests and prejudices, and the multiplicity and fragmentation of efforts. We summarize and discuss the empirical evidence on the lack of a robust reproducibility culture in economics and business research, the prevalence of potential publication and other selective reporting biases, and other failures and biases in the market of scientific information. Overall, the credibility of the economics literature is likely to be modest or even low.     

Engineering Cities: Mediating Materialities,Infrastructural Imaginaries and Shifting Regimes of Urban Expertise

This symposium opens up new critical insights and analytical perspectives into the relationships between power, politics, materiality and urban engineering. In so doing it demonstrates the central role of engineers in the production and negotiation of everyday life in the city. In contrast to the technocratic exercise engineering often professes to be, the contributors to this symposium argue that the assembling and choreography of cities through the myriad techniques, routines, standards and visions of engineers is inextricably bound up with broader socio‐cultural, material and political urban dynamics and processes. This necessitates investigating the multiple and competing social imaginations, forms of knowledge and regimes of expertise associated with urban engineering. The symposium's five articles, straddling disciplinary backgrounds in geography, anthropology, engineering and history, focus analytical and empirical attention on the figure of the engineer and on the work of engineering in the cities of Paris, Mumbai, Singapore and London. Engineering, we suggest, is a diagnostic for probing the shifting forms of mediation that animate and inhabit contemporary dynamics of urban change. The symposium thus opens up a new avenue for cross‐disciplinary and transregional research for urban studies while also suggesting innovative ways of conceptualizing urban transformation and contestation.     

浅论保险与理财

随着财富的增加,人们越来越意识到保险的重要性,但是许多人仍不清楚保险与理财的关系,以及如何使用保险产品。本文从保险与理财的关系出发,阐述了保险规划的流程,并详细分析了保险理财中应注意保险的本质、功能、社会保险的意义、购买保险的目的以及把握购买时机等问题。     

Bourdieu Comes to Town: Pertinence,Principles, Applications

This article frames the themes of the two‐part Interventions section ‘Bourdieu Comes to Town’. I first establish the pertinence of Bourdieu's sociology for students of the city by revisiting his youthful work on power, space, and the diffusion of urban forms in provincial Béarn and colonial Algeria. In both cases, urbanization is the key vector of transformation, and the city, town, or camp the site anchoring the forces dissolving the social fabric of the French countryside and overturning French imperialism in North Africa. These early studies establish that all social and mental structures have spatial correlates and conditions of possibility; that social distance and power relations are both expressed in and reinforced by spatial distance; and that propinquity to the center of accumulation of capital (economic, military, or cultural) is a key determinant of the force and velocity of social change. Next, I discuss four principles that undergird Bourdieu's investigations and can profitably drive urban inquiry: the Bachelardian moment of epistemological rupture, the Weberian invitation to historicize the agent (habitus), the world (social space) and the categories of the analyst (epistemic reflexivity); the Leibnizian‐Durkheimian imperative to deploy the topological mode of reasoning; and Cassirer's command to heed the constitutive efficacy of symbolic structures. The plasticity and productivity of his concepts suggest that Bourdieu can not only energize urban inquiry but also merge it into a broader analytic of the trialectic of symbolic division, social space, and the built environment. This paves a pathway for reconceptualizing the urban as the domain of accumulation, differentiation and contestation of manifold forms of capital, which makes the city a central ground, product, and prize of historical struggles.     

Towards a Theory of Serendipity: A Systematic Review and Conceptualization

Serendipity – the notion of making surprising and valuable discoveries – plays a major role in the success of individuals and organizations alike. Previous research has established the importance of serendipity and identified important individual- and organizational-level antecedents. However, the literature has been dispersed and the boundaries of the concept have been blurry, leading to a lack of conceptual clarity and structure, and thus limiting validity and managerial actionability. Based on a systematic literature review, I synthesize existing management-related research on serendipity and explicate the emergence and composition of serendipity in the organizational context. I first identify three necessary conditions that differentiate serendipity from related concepts such as luck or targeted innovation: agency, surprise, and value. Then, I draw from the literature on sensemaking, event-based theorizing, and quantum-based approaches to management to conceptualize the process of cultivating serendipity in the organizational context as a process of enabling potentiality and materialization, and develop a multi-level theory of (cultivating) serendipity. This conceptualization contributes to our collective understanding of how, why, and when (i.e., under what conditions) organizations can leverage the value in the unexpected, which opens up fruitful avenues for further research.     

控保建筑价值确定的影响因素与估值探索——以苏州为例

控保建筑作为一种特殊的房地产类型,在价值(价格)的评估方面有其特殊原则、特别考虑因素和特有估价方法和途径,实施估值的人员必须站在较长时间序列的背景下,在充分了解和掌握建筑物的文化背景、历史背景、技法背景的前提下,从建筑本体和外部两个角度,给予历史、艺术和科学的价值估算。     

Supply Chain Strategies in the UK Fashion Industry—The Rhetoric of Partnership and Realities of Power

This paper focuses on the fashion industry, one characterised by issues such as dramatic shifts in the scale and power of major retail buyers in the market, the advent of retailer own brands, and the nature of sourcing and supply chain decisions, issues that are increasingly global in nature. The aim of this research is to explore the nature of relationships between UK high street multiple fashion retailers and their contracted suppliers, many of whom are entrepreneurial firms by most definitions of the term. Four core themes emerge from the literature and provide a framework for the research, namely, power, process, partnership, and people. The research approach was qualitative, and conducted over a period of twelve months. The paper ends with an agenda for future research.     

新时期城市空间的流动特征

基于新时期城市所面临的全球化、信息化与城市化共同作用的多重发展背景,从城市空间出现的距离消失、新边界产生、功能混合与城市空间多维化等转变的研究出发,分析了新时期城市的办公、居住、商业与工业等功能空间流动的新特征。