Archipelagos and networks: urbanization and water privatization in the South

This paper examines the interrelationship between urbanization and water supply privatization in cities in the global South. The purpose of the paper is not to evaluate the impacts of privatization; rather, the paper analyses the differences in pathways and modes of water supply privatization, focusing on urban and contrasting with rural areas. A distinction is drawn between privatization (organizational change) and commercialization (institutional change) of water supply. Emphasis is placed upon the interrelationship between regulatory change (a shift from public to private management of water supply systems), human use of and access to water, and urban waterscapes. In contrast to metaphors of 'networks' so often applied in analyses of water management, the 'archipelago' is posited as a metaphor which better captures the complex overlapping strategies of water supply provision in urban areas in the South. Building on this metaphor, and in response to the 'public–private' dualism often invoked in studies of privatization, the paper outlines an alternative typology of water management in urban areas in the South. This typology foregrounds the concepts of the territorialization of corporate power as a means of understanding the articulation between privatization and urbanization processes in the South.     

大功率激电在双阳煤田找矿应用

大功率激电法在双阳煤田找煤的应用中,证实了山河推覆构造的存在;在充分研究工作区的地质、地球物理特征前提下,恰当地选用了方法技术,并正确理解异常的地质、地球物理意义,取得了较好的找煤效果,在Ⅰ号剖面的激电异常上经钻探和坑探证实磨盘山组灰岩下存在质量较好的可采煤层。     

关于新疆煤炭工业可持续发展的思考

阐述了新疆煤炭工业发展中存在的主要问题,分析了新疆煤田地质工作的发展方向及当前工作重点,并对新疆煤炭工业的可持续发展战略提出了政策性建议。     

库尔勒数字地震台台基噪声分析

选取库尔勒地震台FBS—3数字地震仪不同时段的无震记录资料，运用傅里叶变换对其台基噪声进行频谱分析，并计算台基的平均噪声水平及仪器的实际动态范围。库尔勒地震台数字地震仪台基噪声主要来自随机干扰，噪声频段相对稳定，噪声幅度随时段有所变化。观测系统实际动态范围符合数字地震仪架设的要求。     

容易造成误判的几例电源故障及排除

在仪器设备的各种故障中，由电源引起的故障所占比例最高，而表现形式又各不相同。本文通过几例仪器设备的维修过程，说明容易被忽视的一些问题和有关测量手段需要注意的事项。     

Communities as the agents of commodification: The Kumbo Water Authority in Northwest Cameroon

In 1991 the people of the town of Kumbo in Northwest Cameroon expelled the national water corporation from town by force. They claimed to be retrieving a network that the community rightfully owned and they began to run the system along community lines. The paper tells the story of that water supply twice. First it reproduces the popular accounts that circulated in the 1990s that emphasize the role played by the community in the development and operation of the water supply and portray recent events as a triumph of community management. Then it retells the story using archive evidence that puts a quite different light on some of the events. It is argued that the emphasis on community management has a tendency to obscure other important aspects of the story, for example its political context and consequences. It is suggested that the widespread admiration for any initiative that is community based often results in an uncritical analysis of this form of development project. In this case the commodification of water accelerates after the community has wrested control of this public service from the state.     

沈阳2×200兆瓦低温核供热站厂址基准地面运动参数的确定

本文在综合厂址、近区域及区域地震地质资料的基础上,根据有关规范的要求,采用地震构造法、最大历史地震法和概率法分别计算了沈阳2×200兆瓦低温核供热站厂址的极限安全地震动SL-2,计算结果分别为200Gal、125Gal和170Gal。取三者最大值,厂址SL-2应当是200gal。厂址基岩地面运动SL-2水平向加速度反应谱取确定性法和概率法计算曲线的外包线作为用于厂址的基岩加速度反应谱。     

DB16智能大型岩土工程无损检测仪及其应用

介绍一种智能大型岩土工程无损检测仪及其应用。该仪器以大功率稀土超磁致伸缩换能器作震源，以与计算机并行接口连接的高速数据传输的16通道DB16数据采集系统进行声波采集，以高灵敏度的低频压电陶瓷(PZT)换能器作接收，用声波层析成像(CT)技术进行数据处理，检测结果用彩色等高图表示。该仪器从参数的设置到数据的采集、保存、CT数据的处理、CT成像等全在一专用软件中完成，操作方便快捷。给出了利用本仪器对某大型水库的泄流深孔挑流鼻坎混凝土浇注质量无损检测的应用实例。     

SEDIMENTATION STUDY ON PUMPED-STORAGE POWER STATION OF PUSHI RIVER

I.INTRODUCTIONThePtlmped-storagepoll,erprojectofPushiriverisconsistedofupperreservoir,lobal-erreset'oir.watertransmissionSystemandpotvergeneratingsystem.ThelowerreservoirIviththecatchmentbasinareaof1141kmZisthewatersupplierl-c'hichislocatedonthedownstreamofthePushiriverinthesouthernpactofNortheastChina.Theupperreservoirisabout300-400metershigherthanthelowerresen!oirattheleftsideoftheriverwithcatchmentbasinareaof1.12km2.Thecharacteristicsoftheprojectandreservoirareshottviintablel-l.Ino…     

岩溶发育区供水井施工工艺

分析了岩溶区供水井施工困难的原因，并从钻井、成井工艺方面就防治地面塌陷和克服井孔弯曲、坍塌、延长供水井寿命等问题进行了探讨。