口门
- 网络entrance;harbor entrance;cut
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为此,德尔夫特水工研究所(DelftHydraulics)进行了港池防淤研究,提出旁泄式维护性疏浚、重新布置口门、建屏蔽式拦沙防波堤等多种解决方案。
Performing a sedimentation study of the port , Delft Hydraulics developed various solutions including by-pass maintenance dredging , relocating the port entrance , and shielding the port with a sand trap breakwater .
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粉沙质海岸港口口门位置的选择
Site Selection for Entrance of Ports Located on Silty Sandy Coasts
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由口门处至外海,Cr和Hg含量的总体趋势是增大的。
From the estuary to the open-sea , the trend of the content of Cr and Hg is increscent .
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论文通过对溃堤机理的研究,采用Fread提出的宽顶堰流公式来计算堤防决口口门过流量。
The break-dam flux is calculated by Fread formula based on analysis of the mechanism of break-dam .
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根据2000-2002年3a中对珠江东四口门水域的调查资料,分析该水域富营养化状况及其构成因子来源。
Based on the data observed in the Pear River Estuary Waters from 2000 to 2002 , the distribution in space and variety with water season of eutrophication and it 's component factors in the waters were studied .
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研究结果认为设置导堤后泥沙在口门附近的淤积范围和数量减少,淤积厚度最大点的位置向外海推进了230m,有利于把河口泥沙输送到深海,效果明显。
The amount and range of sedimentation in the estuary are reduced and the position of maximum sediment thickness point is extended to seawards about 230m . The effect of training levees is obvious .
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此外,还用改进的Gadd公式确定口门涨、落潮流输沙率,计算中引入汊道口门流速频率分布函数的定义。
For determination of sediment transport rates due to flood and ebb tide currents , the Gadd equation is modified through a definition of the frequency distribution function of current speeds within the harbour entrance .
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珠江三角洲污染物对东四口门通量影响分析
Effects of Discharged Pollutants from Pearl River Delta on East Outlets
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分蓄洪区口门流量计算研究
Computation of Discharge Process at Inlet of Flood Diversion Area
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滹沱河倒虹吸行洪口门宽度的方案论证
Demonstration on width for flood discharge opening of Hutuo River Inverted Siphon
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输水渠道大流量分水口门的分级分水方式
Multi-stage Diversion Modes for Large Flow Dividing Gates in Water Transportation Channel
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株洲枢纽中船闸引航道口门区淤积问题研究
Study on silting at the entrance of ship lock approach
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广西沿岸港湾口门潮流三角洲的地貌特征
Geomorphologic characteristics of tidal current delta along the harbour mouth in Guangxi
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珠江八大口门表层沉积物重金属污染及生态危害评价
Pollution and Ecological Hazard Evaluation of Sediment Heavy Metals in Pearl River Estuary
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大型船台工程口门水下段施工工艺简介
Introduction of Construction Method for under Water Gate Section of Large Ship Dock
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黄河口口门地区沟汊形成机制初探
Analysis on formation mechanism of ditches and branches in the Yellow River estuary
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挖入式港池口门回流运动特性分析
Characteristic Analysis of Reflow in Entrance of Excavated Dock
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黄河口新口门海域流场分析
Analysis of the current field in the New Yellow River entrance sea area
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堤防历史口门部位渗流控制研究
Study on seepage controlling of historic breach at dykes
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船闸口门区与连接段为弯道时的通航条件
Navigation condition when entrance area and connecting segment of lock are in bend
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珠江三角洲口门区近期演变与围垦远景分析
Recent evolution of outlets in Zhujiang River Delta and the prospect for land reclamation
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三峡工程船闸上游引航道口门区斜流特性研究
Investigation on Oblique Flow Characteristics in Upstream Approach Entrance Region of TGP 's Lock
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珠江八大口门污染物浓度变化及成因分析
Pollutant concentration variation and analysis of causes in Eight Major Outlet of Pearl Rive
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船闸引航道口门区流态的模型研究
Model Research of Flow Pattern at Lock Approach
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盲肠河段口门掺混区的泥沙扩散
A study on sediment diffusion in turbulent mixing region at the mouth of cecum reach
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低闸坝枢纽船闸引航道口门区通航水流条件研究
Study on Navigation Flow Condition at the Entrance of Approaching Channel in Low head Dams
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盲肠河段口门紊动掺混区水流运动的相似分析
Similarity analysis for water movement of turbulent mixing region at the mouth of cecum reach
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株洲枢纽船闸下引航道口门区整治措施及效果分析
Regulation Measures and Effect Analysis for the Entrance Area of Zhuzhou Lock Lower Approach Channel
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冬季口门内各站位的氮营养盐和有机污染最为严重。
N nutrients and organic pollution in stations of inner gate in winter are most serious .
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河岸形态对低水头枢纽船闸口门区水流条件影响研究
Influence of Different Riverside Shape on Flow Condition of Low-head Hydraulic Lock ′ s Outlet Area