river bed evolution 中文意思是什麼
river bed evolution
解釋
河床演變-
Analysis of river bed evolution of yangtze river at yangluo bridge in wuhan
武漢陽邏長江大橋橋位河段河床演變分析 -
Analysis on river bed evolution of dam area from the main river closure to open diversion channel closure of tgp
三峽工程大江及明渠截流期間壩區河演分析 -
Based on the analyses of the flow and sediment characteristics and evolution trend of the river bed of the fuling reach in the yangtze river before and after the impoundment of the three gorges reservoir, the water level, velocity variation and influenced range in the fuling reach before and fifty years after the operation of the three gorges reservoir with the construction of the fuling dock and four discharge combinations are calculated by using a two - dimensional flow mathematic model
摘要在分析長江涪陵段的水沙特性和三峽水庫蓄水前後該河段河床演變趨勢的基礎上，運用二維水流數學模型，分析了4種流量組合情況下在三峽水庫運用前和運用50年，涪陵港區碼頭修建前後的水位、流速變化及其影響范圍。 -
According to the practice of waterway regulation in the mid & lower streams of hanjiang river during the past 50 years, this paper puts forward 33 suggestions on key points of waterway regulation design such as river regime control, bed evolution analysis, etc
摘要根據半個世紀以來漢江中下游航道整治工程情況，對整治工程設計中的關鍵性問題，提出了控制河勢、重視和利用節點等33條建議。 -
The extreme effects of sand mining on local deformation of riverbed and evolution of river stretch in typical river sections such as straight river section, river bend and river fork are experimentally studied in micro - scale loose bed hydraulic model
摘要採用微尺度動床河工模型試驗的方法研究了在順直、彎道與分汊等典型河道不同部位進行大規模采砂對河床局部變形及對河段變形的極限影響。 -
Possible influences of the three - gorges reservoir on evolution of changjiang river - bed
三峽水庫建成后對長江河床演變的影響
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