查询词典 dam

Based on the example of shahe reservoir, the text makes an analysis on circulation, management and environment and social economy development condition of the surrounding ecosystem. Then, the author carries on inquisition, data analysis and summary and makes calculation and demonstration of the safe stability of the dam ,and discusses the risking obviation and reinforcing technique. Finally, based on the existing research of sustainable development, experts" opinions and Mathematical Statistics analysis, the author brought forward an indication system suitable for reservoirs" sustainable development This system is made up of 4 first class indexes, 13 second class indexes, 38 foundational indexes. The 4 first class indexes are the dam safety evaluating index, the management index of reservoirs, the water ecosystem system stability index, the reservoirs construction effect index. The 13 second class indexes are the construction quality evaluating index, the dam running and management evaluating index, the flood control standard recheck index, the structure safety evaluating index, the anti- earthquake evaluating index, seepage safety evaluation index sign, the metal structure safety evaluating index, the engineering facility index, the management index, the water ecosystem system stability index, engineering effect index, the economic development index, the society development index.

本文以沙河水库为例，对其运行、管理及周围生态环境和社会经济发展状况进行调查，并将调查资料进行分析、归纳、总结；然后对水库大坝的安全稳定情况作出了简要的计算和论证，并讨论了水库的主要除险加固技术；最后在总结现有可持续发展研究的基础上，征集专家的意见，进行数理统计分析，提出了由4个一级指标、13个二级指标、38个基层指标组成的一套适合该水库可持续发展的指标体系。4个一级指标分别为：水库大坝运行安全综合评价指标、水库管理指标、水资源生态系统稳定性指标、水库建设效应指标；13个二级指标分别为：工程质量评价指标、大坝运行管理评价指标、防洪标准复核指标、结构安全评价指标、抗震安全评价指标、渗流安全评价指标、金属结构安全评价指标、工程设施指标、管理指标、水资源生态系统稳定性指标、工程效应指标、经济发展指标、社会发展指标。

Research on deep anti-sliding stability and reinforcement of entirety polygonal line gravity dam;2. The 2D Elastoplastic Finite Difference Method is adopted to analyze the deep anti-sliding stability for the dam foundation of Longkou hydropower station factory dam.

采用二维有限差分程序对龙口水利枢纽混凝土重力坝厂房坝段进行深层抗滑稳定分析，采用强度折减方法，根据特征点位移突变临界破坏判据和止水帷幕部位夹层错动量达到1mm临界破坏判据分别得出了厂房坝段的两个深层抗滑稳定安全系数。

Rubber dam laboratory model experiment: respectively measures the reaeration ability of smooth overflow surface and roughened overflow surface, then contrastively analyses the effect and reason of reaeration improving after roughened modification, and the reaeration effect between curve dam and rubber dam.

橡胶坝复氧室内模型试验：分别测量了光滑溢流面和糙化溢流面的复氧能力，对比分析了溢流面糙化后复氧增强的效果和原因，并对摘要比分析了曲线型溢流坝和橡胶坝的复氧效果。4。

The section field value distribution of dam seismic response can be seen clearly.(2) Presents a visualization method——multiple section color contour display, which can not only display the stress diagram of single dam section, but also make the stress diagram on several dam section be showed and be compare.

为了使人们了解大坝地震反应整体应力分布情况，提出多层断面云图显示方法，将大坝多层断面的场值云图通过轴测投影变换后显示在一个画面里，并使其光强叠加，透过前一个断面可看到后一个断面的场值分布。

In this research, this study also uses statistic test analysis to find the effect to fish habitat after removing dam. No matter it's before dam-breaking, after dam-breaking, or we remove it for two steps, there is no obvious effect to Habitat Suitability Index of Cyprinidae, Gobiidae, and Homalopteridae.

本研究透过统计检定分析探讨拆坝对於鱼类栖地造成之变化，不论溃坝前亦或是溃坝后以及假设坝体分两次拆除的情形下，鲤科、鰕虎科、平鳍鳅科之鱼类栖地适合度指数皆无明显的变化。

This part analyzed and compared many kinds of solvement of dam-break , then the adopted traditional one-direction B. Saint. Venant equation and conceal format to calculate the proceeding of dam-break flood, then according to calculation result analyzed influence of villages located beside Fabiela river from dam-break flood.

这一部分首先分析比较了溃坝波的各种求解方法，然后采用传统的一维圣维南方程组和隐式差分格式进行了溃坝洪水演进计算，然后根据计算结果分析了各种溃坝情况下洪水对河道两岸村屯的影响。

Compared with Conventional construction method, the concrete face wall meet the merit of accelerated construction of RCCD, which has successfully applied to upper stillwater dam、Khlong thadan dam, it is no application at home, and there are short of project date and calculation about dam structure.

与传统的施工模板相比，混凝土面墙技术具有能够适应碾压混凝土重力坝快速施工等优点，已在美国上静水坝、泰国科隆塔丹坝等工程中成功使用，国内目前尚未使用，与混凝土面墙技术相关的工程资料和坝体结构的计算分析资料较少。

The results indicate that the thermal stress and comprehensive stress of 6Aa dam section and F6 fault concrete tuck during construction and operation are all within the allowed concrete tensive strength. The results indicate that the construction scheme of 6Aa dam section and the disposal scheme of F6 fault is feasible and meet the need of dam temperature control and crack .prevention.

计算分析表明，施工期和运行期6Aa坝段及F6断层混凝土塞的温度应力、综合应力均未超过该工程碾压混凝土的设计允许抗拉强度，表明6Aa，坝段的施工方案和F6断层的处理方案在温控和防裂方面是可行的。

The uncertainty problems in dam safety monitoring were studied in this dissertation. Based on regarding dam and its bedrock as an uncertainty system, the international actuality of correlative research was reviewed, and then closely combining with engineering practice, umpty analyses methods and their applications for uncertainty problems in dam safety monitoring were studied.

以大坝安全监控中的不确定性问题为研究对象，在综论国内外有关研究现状的基础上，将大坝及其坝基看作是受诸多不确定性因素影响的不确定性系统，并在此基础上紧密结合工程实际，对大坝安全监控中若干不确定性问题的分析方法与应用进行了深入研究。

Based on the geological simplification of the typical sections and dam foundation of Wudu RCC gravity dam ,the 3D geomechanical model test on stability against deep sliding in the condition of natural foundation of this dam is performed.

通过建立武都碾压混凝土重力坝典型坝段坝基的地质概化模型，采用三维地质力学模型试验方法对其天然地基条件下的深层抗滑稳定问题进行系统研究。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&