小龙江水电站的开发设想

根据上犹县小龙江流域水能资源特点及其开发现状，结合上犹县水电及电气化建设的实际，阐述开发小龙江水电站的迫切性及重要意义，探讨小龙江水电站的开发方案，提出了相应的建议。     

吉塞尼小水电站的更新改建

卢旺达是最不发达国家之一，其水电蕴藏量约为100MW。其中四分之一的水电已由四座小水电站开发。小水电(SHP)的进一步开发将依据国家公用事业是否愿意将小型电站并八国家电网而定。吉塞尼这座最老的水电站是在出利时殖民统治时建造的，经20年运行后，连行了更新改建，并从该工程中获得了大量的经验。该工程是德国枝术合作署(GTZ)GmbH和卢旺达国家电力局(E1ectrogaz)之间(卢一德)广泛合作计划的一部分。本文叙述了吉塞尼的经验并着眼于卢旺达未来小型和微型水电开发的前景。     

贫困山区小水电开发的喜与忧

1 贫困山区小水电开发方兴未艾 近年来,由于国家扶持山区小水电开发优惠政策的实施,黄岩西部山区的小水电开发也方兴未艾。据勘测论证,黄岩西部山区水力资源比较丰富,其中6个贫困乡镇具有开发价值的水力资源约4万多kW。到1995年末,已建成电站51座,装机容量16998kW,年发电量约4600万kW·h。根据我区“九五”扶贫工作和山区开发计划的安排,6个贫困乡镇在“九五”期间计划开发小     

小峡水电站首台机组并网发电

“十五”重点建设项目黄河小峡水电站工程首台机组经过72小时试运行，于近日顺利并网发电。该电站是甘肃小三峡水电开发有限责任公司继大峡水电站之后开发建设的第二座水电站。工程总投资约15亿元，电站总装机容量为230MW，多年平均发电量9．56亿kWh。     

小水电站委托运营管理模式浅析

介绍了目前国内小水电站现状和小水电站自身特点,并对小水电站委托运营管理的现状、风险、利弊进行分析。     

基于重要特征分析的水电站运营成本回归

近年来,我国能源发展环境发生重要变化。在能源转型的大背景下,水电发展重心也需从开发新水电转为对已建水电站的精细化运营管理。为此,以某地区65座水电站运营成本为研究对象,定义了水电站标准支出成本概念,利用皮尔逊相关系数、互信息等方法进行重要特征识别,在此基础上利用列文伯格-马夸尔特方法对成本进行回归。结果表明,上述方法对水电站成本具有较好的拟合效果,为水电站运营效率对标评价、水电企业寻优补差工作提供了新思路。     

黑河市小水电站安全生产管理浅析

黑河市江河纵横,水丰流长,水能资源十分丰富,水能理论蕴藏量为340.96万千瓦,可开发量为112.2万千瓦,占蕴藏量的32.9%,水电资源开发潜力巨大。截止目前,全市共建成农村小水电站11座,总装机容量13.99万千瓦,年发电量3.47亿度。在建电站1座,装机容量2.2     

秦安县小型农田水利重点县建设初探

<正>2009年,甘肃省秦安县根据财政部《关于实施中央财政小型农田水利重点县建设的意见》和省财政厅、水利厅《关于印发2009年中央财政小型农田水利工程建设项目立项指南通知》的有关要求,紧密结合该县以往小型农田水利建设的实际,积极组织编制并上报重点县建设方案。     

黎川县山洪灾害防治非工程措施县级监测预警平台建设

本文通过江西省黎川县暴雨山洪的基本特征分析,介绍了该县山洪灾害防治非工程措施灾害的四大体系基本情况,并重点介绍了县级监测预警平台基本功能和群测群防体系.     

Pulp mill process closure: a review of global technology developments and mill experiences in the 1990s.

The impact of effluent discharges continues to be an important issue for the pulp manufacturing industry. Considerable progress has been made in pollution prevention to minimize waste generation, so-called manufacturing "process closure." Since the mid-1980s many important technologies have been developed and implemented, many of these in response to organochlorine concerns. Zero effluent operation is now a reality for a few bleached chemi-thermomechanical pulp (BCTMP) pulp mills. In kraft pulp manufacturing, important developments include widespread adoption of new cooking techniques, oxygen delignification, closed screening, improved process control, new bleaching methods, and systems that minimize pulping liquor losses. Coupled to this is a commitment to reduce water use and maximize reuse of in-mill process streams. Some companies pursued bleach plant closure, and many have been successful in eliminating a portion of their bleaching wastewaters. However, the difficulties inherent in closing bleach plants are considerable. For many mills the optimal solution has been found to be a high degree of closure coupled with external biological treatment of the remaining process effluent. No bleach plants at papergrade bleached kraft mills are known to be operating effluent-free on a continuous basis. This paper reviews the important worldwide technological developments and mill experiences in the 1990s that were focused on minimizing environmental impacts of pulp manufacturing operations.     

密云县雨水利用工程探讨

综述了国内外雨水利用的进展,介绍了密云县的缺水现状和近2 a的雨水利用情况,总结出了4种模式并提出了一些建议.雨水利用工程有效地利用了雨洪资源,节水效果明显,补充了地下水.     

加快尤溪县小水电的发展

尤溪是充分发挥水力资源优势，加快小水电发展，以县为主调动地方办电的积极性，统筹考虑制定合理规划，实际流域整体、梯级、综合开发，巩固发展 自供区和电网，推进多元办电，多方集资，深化水电行业改革，大力开拓电力市场，建设水电强县，促进全县经济发展和社会进步。     

小面积区的集水径流计算方法

曲线数值法考虑了径流与土壤特性和土地利用情况的关系，所需参数少，是一种较好的小型集水区径流计算方法，可用于小面积集水区可集雨量的计算。     

Contaminants and Trends in Fall Run Coho Salmon

Fillets of fall run coho salmon from each of the Great Lakes were analyzed for pesticides and industrial compounds. PCBs were the dominant contaminant in all samples ranging from trace concentrations in Lake Superior to 1.74 μg/kg in Lake Ontario. Compounds which have been banned or restricted were detected in most samples. These include PCB, DDT, chlordane, dieldrin, toxaphene, endrin, lindane, and heptachlor-epoxide. The herbicide, dacthal, was detected in samples from Lakes Michigan, Huron, and Erie. Comparison of 1984 coho salmon with those collected in 1980 through 1983 indicates that concentrations of PCB and DDT in coho from Lakes Erie and Michigan have declined, following first order loss kinetics. Dieldrin concentrations in Lake Michigan coho have also declined following first order loss kinetics.     

排江泵房调试运行

阐述了杭州市四堡污水处理厂为解决排放口受钱塘江潮影响而建的排江泵房的调试经过 ,分析排放口潮水变化情况对污水处理厂出水的影响。并介绍了采用后池水位控制排江泵房水泵运行的实例     

虹吸管在进贤县小型水库中的应用

阐述了在小型水库中采用虹吸管取代坝下涵管的应用,介绍了施工和质量控制以及运行中应注意的问题．     

密云县水土保持在生态县建设中的作用及发展对策

为保护北京饮用水源——密云水库,多年来密云县积极开展了水土流失治理工作;2005年,密云提出了创建国家生态县的目标。随着生态县建设的深入,保护密云水库力度进一步加大。阐述水土保持在生态县的作用,分析了存在的问题,提出水土保持的发展对策。