淤泥底 的英文怎麼說
中文拼音 [yūníde]
淤泥底
英文
muddy ground-
The deposition of bed load sediment was greatly reduced in the sump by adding a flushing gallery
通過在集水池底設置排沙廊道，較好地解決了推移質泥沙淤積問題。Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat. therefore, based on the raster image of the year of 2000, the thesis has built correlation equations between average tidal ranges and the density of tidal creeks, the ratio of the width of outlet to the length of low tidal shore, the ratio of the area of tidal creek to tidal basin respectively. the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation
潮汐是塑造潮灘的主要動力因素，它必然與淤泥質潮灘上潮溝系統的發育有密切的關系，為此，本文以2000年的衛片作底圖，對潮溝系的密度、溝口寬度占低潮線長度的比值以及潮溝面積與潮盆面積的比值，分別與平均潮差建立了相關關系，結果發現，潮溝系的密度與平均潮差之間存在著高度顯著的相關性，溝口寬度占低潮線長度的比值和潮溝面積與潮盆面積的比值與平均潮差之間存在著顯著的相關性。American plant with roundish heart - shaped or kidney - shaped leaves ; usually rooted in muddy bottoms of ponds and ditches
一種美國水生植物，葉腎形或圓心形，佛焰苞具有短的柄或無柄；通常紮根在池塘和水溝的底部淤泥中。Aiming at five kinds of targets from geneva lake which are rock, sand, pebble, grit and sullage, the features we extracted based on the cwt time - frequency matrix are singular values, some parameters of histogram and invariant moment
針對萊蒙湖底的巖石、沙、卵石、砂礫、淤泥等五類目標，文中所提取的特徵主要有時頻矩陣的奇異值、直方圖的有關參數以及不變矩等三類特徵。When excavating deep foundation ditch in the lake sediment that filled with deep and thick silt, it is a common technical problem that the upheave which caused by relief loads leading to slope destabilization
摘要在湖泊相沉積的深厚淤泥土場地開挖深基坑，由於坑底卸荷隆起導致基坑邊坡位移、失穩是常見的技術難題。Since 1976 it has been made great achievements which has conducted water more than 100 billion m3 and has been an important project of heilongjiang province. but recently the channel has been seriously freezing - melting eroded and sand of cliff edge has been deposited along the channel, which resulted to highten the channel bottom, increase width of the channel and reduce horse road. what all above have affected to apply safely channel so it is necessary to repair comprehensive
自1976年建成以來，已累計引水100多億立方米，取得了巨大的經濟效益，成為黑龍江省西部關繫到國計民生的重點工程，但近年來渠道破壞嚴重，凍融侵蝕強烈，邊壁剝蝕下來的泥沙經渠道內水流搬運沿程發生淤積，導致渠底抬高，渠寬增加，馬道縮小，已經嚴重影響到渠道的安全運用，必須進行綜合治理。4 for dredging works, only mechanical dredgers with bucket - type closed - grabs shall be used for the dredging of river bed or ponds
進行挖泥工程時，只可使用密封抓鬥式的機械挖泥機，以挖掘河床或塘底的淤泥。Sunken ships and sunken articles refer to all kinds of ships and articles, including their main bodies and equipment, all goods and other articles on board, that have sunken under surface of china ' s coastal waters or buried under mud on the seabed
三）沉船沉物，是指沉沒于中國沿海水域水面以下或者淤埋海底泥面以下的各類船舶和器物，包括沉船沉物的主體及其設備、所載的全部貨物或者其他物品。Soft seabed mud
柔軟的海底淤泥The incoming water brings silt with it into the pond. this silt settles onto the pond floor and needs to be removed or else the pond will dry up. as a result, the reserve s dredger is now busy clearing the silt from the channels around the perimeter of
沿岸濕地會被淤泥堵塞，逐漸變為乾地，這是自然現象，米埔亦難以避免：當基圍換水時，淤泥隨流入的水沖進塘內，並積聚塘底，若不清理，水塘終會乾涸。Complicated hydrologic and geographic conditions, and the large scale of the xiaolangdi hydraulic project on the yellow river are introduced briefly. three desilting tunnels are designed to meet the requirements of flood control, sediment discharge and runoff regulation. according to the performance requirements of desilting tunnels, the tunnel lining down - stream of the grouting curtain is designed to be post - tensional prestressed lining. on the basis of investigation and research, experiements and analysis, the unbonded prestressing system is used. it is the largest unbonded prestressed tunnel lining project in the world, and the first one in china
簡介黃河小浪底水利樞紐復雜的水文、地質條件以及龐大的工程規模.該樞紐設計有3條排沙洞，擔負著泄洪、排沙、調節徑流和保證進水口不被泥沙淤堵的任務.根據排沙洞的水庫運用要求，灌漿帷幕下游排沙洞洞身段設計為混凝土后張預應力隧洞.通過大量的調研、試驗、分析論證，在施工前確定該預應力方案選用無粘結預應力系統，成為目前世界上規模最大的無粘結預應力隧洞襯砌工程，在國內尚屬首例Combined with the actual work experience the paper introducs operation method and characteristic of the holland ' s silas walking and sailing system that has been used in the taihu lake bottom silt investigation
摘要結合實際工作經驗，介紹荷蘭silas走航式測量系統在太湖水下、湖底淤泥調查的使用方法及系統的特點。According to two - dimension flow continuity, momentum equations, suspended sand diffusion equations and two - phase flow bed sand motion equations, hydraulic - dynamics sediment accumulation mathematical model between two impounding dams was set up by adopting the methods of weighting and concentrating masses
根據二維水流連續、運動方程、懸沙擴散方程和兩相流底沙運動方程，採用加權集中質量剖分方法，建立了蓄水兩壩間水動力、泥沙淤積數學模型。Using this method, satisfactory results about the evolution of the seabed are obtained, which is consistent with in situ observations
用海底泥沙通量代替散度來表徵海底的沖淤，物理概念明確。Sediment transport under the coexisting action of waves and currents and the prediction of sudden sedimentation in navigation channel
流共同作用下的近底泥沙輸移及航道驟淤預報分享友人