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You-sheng Wu Jun Ding Xue-kang Gu Chun-yan Ji Xiong-bo Zheng Guo-ping Zhou Dao-lin Xu Li Ma 《水动力学研究与进展(B辑)》2021,33(1):1-12
In 2019 a Scientific Research&Demonstration Platform was deployed near islands and reefs in South China Sea by a joint research group of 7 institutes and universities in China.It is a simplified small model of a two-module semi-submersible-type VLFS.The test on site has continued for more than one and half years since then for long-term observations to validate the developed key technologies for design and behavior predictions of floating structures deployed near islands and reefs.An integrated information system was set up to continuously collect and inspect the data of the encountered waves,structure responses,connector forces,mooring line forces,anti-corrosion status of the platform,the performance efficiencies of a floating breakwater nearby and a wave energy converter attached on the breakwater.In this paper,the status of the on-site measurements and validations of the key technologies are briefly described. 相似文献
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田中兴 《中国水能及电气化》2008,(5):12-15
同志们: 全国违规水电站清查整改工作座谈会就要结束了,上午胡四一副部长作了一个非常重要的讲话,全面肯定了清查整改工作成绩,对下一步工作提出了明确的任务要求并进行了全面部署;国家安监总局王力争副司长通报了全国一季度安全生产情况,传达了国务院领导同志关于安全生产工作的最新指示,提出了下阶段安监部门进一步配合水利部门做好违规水电站清查整改工作的意见和建议;国家电监会吴晔副处长提出了进一步理顺体制机制,加强市场监管,从根本上消除违规水电站的意见;福建、湖南、广东、广西、重庆水利厅(局)和贵州铜仁地区水利局介绍了他们的做法和经验,会议还就贯彻胡四一副部长的讲话精神、进一步做好清查整改工作进行了讨论,大家提出了许多好的意见和建议.应该说,这次会议时间虽短,但开得紧凑,效果很好. 相似文献
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《中国水能及电气化》2008,(4):58-64
各省、自治区、直辖市及计划单列市、副省级会城市、新疆生产建设兵团发展改革委、经贸委(经委),国家电网公司、南方电网公司、中国华能集团公司、中国大唐集团公司、中国国电集团公司、中国科学院、中国工程院: 相似文献
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本文对辽宁省农村水电发展的现状及存在的问题进行了分析,从行业自身、市场和社会、生态环境等方面进行研究,提出建议. 相似文献
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通过阐述水务信息化建设的重要意义,分析目前潮白河供水管理所信息化建设的现状和存在问题.针对实际情况,提出信息化建设的方法和建议. 相似文献
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在先秦诸子中,兵家是最受诸侯欢迎的一家。历史为兵家提供了驰骋的舞台;而战争,则为兵家提供了锻造的熔炉。春秋战国之际,一大批军事家走上历史的前台。但大浪淘沙,有兵圣之誉者,唯孙子一人。 相似文献
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本文以湿润地区具有自由水面的潜水含水层为研究对象,根据连续性原理和达西定律,用显式有限元法对湿润地区地下水进行分析计算,对解域的空间变量采用有限单元分割,用时间变量采用逐步积分法.通过计算实例验证,所提出的方法具有较好的精度. 相似文献
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本文通过采用“扩大蓄热法”在西藏那曲地区巴青水电站混凝土冬季施工中的成功应用,证明该方法效果理想,满足设计要求。值得同样条件地区参考与借鉴。 相似文献
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《Water science and technology》1998,37(6-7):109-116
In 1994 the quality of the uppermost sediment layer of the Elbe estuary was surveyed for various planning purposes. For example, metal contents were determined in the grain-size fraction < 20 μm, and the concentrations of PAH were analyzed in the total sample, with correcting for grain-size effect being done numerically. Using the specific zinc contents in fine-grained particles, transport phenomena were recognized: particles of marine origin are transported >100 km upstream to the Hamburg area, causing contamination to decrease to about 50% of the fluvial level. The local metal contamination however varies strongly. Samples with low concentration could be detected as geogen; the samples with the highest level of contamination were assumed to have originated from periods of higher river pollution. Of the samples, 74% with medium enrichment factors (2 to 8.5 vs. background for Zn) were suspected to reflect the actual contamination level. Compared to previously reported quality criteria, sediment samples from the upper part of the estuary are still highly contaminated. In the outer part of the estuary the quality is better, but because the marine finegrained particles still have contamination levels to class II-III in the ARGE Elbe classification system, a further reduction of sediment contamination in the whole estuary would be limited to this level. 相似文献
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苏丹麦洛维大坝芯墙坝段防渗土料采用分散性粘土.简要说明了分散性粘土的特点,重点介绍了分散性粘土的试验方法以及麦洛维工程中对分散性粘土的各种处理方法. 相似文献
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高压喷射灌浆地基防渗处理具有施工简便、速度快、质量可靠的优点,尤其在处理深层透水层地基时,具有较大的优越性.本文就红山水库坝基砂砾石层高压旋喷灌浆防渗处理的设计及施工做简单介绍,供类似工程参考. 相似文献
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从降雨量及分布、水库蓄水、河道水情等方面对北京市2008年汛期雨水情特点进行了分析,并与历史资料进行了对比,指出2008年北京市汛期降水接近常年,是自1999年以来降水量最多的年份. 相似文献