河床淤積 的英文怎麼說

中文拼音 [héchuángyūjī]
河床淤積 英文
accretion of bed levels
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 床 : i 名1 （供人睡覺的傢具） bed; couch 2 （像床的器具、地面） something shaped like a bed Ⅱ量詞（用...
  • 淤 : Ⅰ動詞1 （淤積） become silted up 2 （血液不流通） （of blood） stagnateⅡ名詞（淤積的泥沙） silt Ⅲ...
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 河床 : riverbed; bed; poised river; [英方] waterstead; cauce
  • 淤積 : silting-up; deposit; sedimentation
  1. Sediment deposited by flowing water, as in a riverbed, flood plain, or delta

    沖積層河床、洪水淹沒的平原或三角洲中的流水淤積所產生的沉積層
  2. Then river width increased and the intensity of deep point lowing and bed material coarsening decreased and water level lowed continuously. so the bed form changed toward to u type. the bed regulation is realized through sediment silting in different parts in cross section during silting period and the deformation of bed form changed from broad u type channel to narrow and deep v type channel

    研究表明，河道在持續沖刷前期深泓點及水位下降與河床粗化同步發展，河床向v型發展；沖刷後期深泓點下降、河床粗化減弱，河道展寬增大，水位繼續下降，河床向u型發展；在以淤積為主時期的調整，是通過斷面不同部位的淤積來實現的，但都是由u型較大河槽向v型窄深小槽發展。
  3. By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently

    然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖淤演變規律，分析研究表明：建庫前渭河下游主槽處于動態沖淤平衡狀態，灘地處于微淤狀態；建庫后，渭河下遊河道發生嚴重淤積主要是由於潼關高程的抬升造成的；潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的，近期不利的水沙條件加劇了潼關河床的抬升速度和渭河下游的淤積。
  4. Many geological and hydrological factors of the river section, where the yellow river water intake engineering is laid out, such as the capacity of the reservoirs along the river section upstream and downstream, the rate of the flow discharge, the erosion and silt of the watercourse, the form of the riverbed and the water current, ice tuck, the convergence of the upstream branches of the river section, flood crest, sand crest size, the capacity for flood discharge of the watercourse, the effect of flood control structure around and the impacts on surrounding environment and the third person " s legitimate rights and interests, should be considered

    黃河取水工程的布設要考慮工程所處河段的地質水文等諸多因素。如該河段上下游水庫的庫容，泄水流量、河道沖刷、淤積、河床形態、水流形態、冰塞、河段上游的支流匯入、洪峰、沙峰的大小、河道行洪能力的大小、周圍防洪工程的影響及對周圍環境和第三人合法權益的影響等等。
  5. Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir, the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed, and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach

    摘要根據劉家峽水庫變動回水區的河段地形特徵和歷年河床質泥沙粒徑級配資料，分析了變動回水區河段淤積和沖刷時，河床質泥沙中值粒徑的沿程變化和歷年河床質泥沙中值粒徑變化過程，並指出粒徑分佈由粗變細的轉折點在變動回水區寺溝峽峽口處。
  6. First, erosion resulting from exce ive deforestation in the u er reaches of the river and, second, heavy silting which raised the riverbed in the main cha el

    第一，過度砍伐引起的河流上游的侵蝕，第二，嚴重的泥沙淤積抬高了主幹道的河床。
  7. First, erosion resulting from excessive deforestation in the upper reaches of the river and, second, heavy silting which raised the riverbed in the main channel

    第一，過度砍伐引起的河流上游的侵蝕，第二，嚴重的泥沙淤積抬高了主幹道的河床。
  8. The analyzed results are as follows : the late 1960 ' s cutoff of riverbends increased both the runoff amount and the sediment transport amount of the lower reach of jingjiang river, while the sediment deposition decreased in the lkngting lake area ; after the mid 1980 ' s, both the middle reach of yangtze river main stem and the dongting lake occurred a trend of decreasing annual sediment transport as a result of decreasing sediment releasing from the upper reach of yangtze river ; and in the recent 3 years ( 2003 - 2006 ), the three gorges reservoir first impoundment additionally reduced the sediment concentration in the middle reach of yangtze river flow with a long time, so a distance would be quite long for suspended sediment recovery, but the distance for bed - material load of suspended sediment recovery would be quite short

    分析結果表明： 20世紀60年代下荊江裁彎后，三口（松滋口、太平口、藕池口）分流分沙減少，下荊江徑流量和輸沙量相應增加，洞庭湖泥沙淤積減少； 80年代中期以後，長江中游幹流及洞庭湖出口的年輸沙量呈減少趨勢，城陵磯至武漢河段河床由淤積轉為趨向沖淤平衡；三峽工程初期蓄水運用后，長江中游含沙量沿程恢復距離較長，但床沙質部分恢復距離相對較短。
  9. In the canal with sand moving balance and stable bed, may keep the current status ; for the sediment canal which seriously reduced discharge, may properly clean sediment ; for the seriously scoured canal, such as curved canal, should lining the canal

    對于輸沙達到平衡、河床比較穩定又達到輸水能力的渠段，可保持現狀；對淤積比較嚴重又影響輸水能力的局部渠道，可進行適當疏浚清淤；對淘刷比較嚴重的彎道凹岸進行工程護砌。
  10. It shows that the water level in the definite reach is lower than that with same discharges before dredging river, the surface slope on upper reaches dredged is enlarged and deposition load on bed is reduced or eroded

    主要表現在可以引起一定范圍河段內的水位較挖河前同流量下有所降低，開挖上遊河段水面比降增大，床面淤積量有所減少或發生沖刷。
  11. There is sharp gradient in top and small gradient in bottom. the ability of removing flood is high in top and it is small in bottom correspondingly. sediment silt up continually, so the bed of river is jacked up year by year and become the famous river on land

    由於泥沙含量高，現行河道已行水140餘年，山東段河床上寬下窄，坡度上陡下緩，排洪能力上大下小，在泥沙淤積作用下，河床逐年抬高，成為世界上著名的地上「懸河」 。
  12. To help overcome this problem, the shing mun river improvement works were carried out between 2001 and 2005. the project improved the quality of the sediment in shing mun river, both by dredging out contaminated sediment and by applying a bioremediation method

    為解決氣味問題，政府於2001年至2005年間推行城門河環境改善工程，挖掘河床上的污染沉積物及應用生化方法處理淤泥，改善沉積物質素。
  13. Two major factors contributed to devastating summer flooding along the yangtze river and its tributaries. first, erosion resulting from excessive deforestation in the upper reaches of the river and, second, heavy silting which raised the riverbed in the main channel

    兩個主要因素導致了夏季長江及其支流的特大洪水。第一，過度砍伐引起的河流上游的侵蝕，第二，嚴重的泥沙淤積抬高了主幹道的河床。
  14. The carrying capacity of water resources and water environment in yellow river basin is faced with a huge challenge, such as vegetation destruction, water and soil erosion, riverbed run - up, watercourse shrinkage, water shortage, frequency breakage flow, severity pollution, water quality deterioration, trace to the source and sendiment, coast erosion and regradation

    植被破壞、水土流失，河床抬高、河道萎縮，水源匱乏、頻繁斷流，污染嚴重、水質下降，朔源淤積、海岸蝕退等表明黃河流域水資源與水環境的承載能力面臨著極大的挑戰。
  15. After the flood discharges in 1995, parts of downstream channel is silted up in taiping wai powerstation. it raises the water lever, and decreases the work of generating unit

    由於太平灣電廠尾水河道在遭遇大洪水後部分河床淤積，壅高了電站的尾水位，影響機組出力。
  16. Thus, whether the building and putting in use of dong zhuang reservoir will result in sediment deposits worsen of lower wei - river ? so it is very important to conduct the movable bed physical model about dong zhung water conservancy hub on river bed of lower wei - river

    那麼東莊水庫的修建和運用，是否會造成渭河下游淤積狀況的惡化，進行東莊水利樞紐對渭河下遊河道動床物理模型試驗研究就顯得尤為重要。
  17. Because the intertidal main channel of the shing mun river suffers from a very weak flow, pollutants have tended to build up in the sediment, leading to low levels of dissolved oxygen

    城門河主河道的潮汐水流緩慢，污染物容易沉積在河床淤泥里，引致溶解氧水平下降，河水散發出惡臭。
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