河床沖刷 的英文怎麼說

中文拼音 [héchuángchōngshuā]
河床沖刷 英文
bedscour
  • 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...
  • 刷 : 刷構詞成分。
  • 河床 : riverbed; bed; poised river; [英方] waterstead; cauce
  1. In many instances, such bed degradation is beneficial.

    在許多情況下，這種河床沖刷是有利的。
  2. Observation and analysis of the river bed scour behind the third dam of gutianxi

    古田溪三級大壩下遊河床沖刷原型觀測與分析
  3. What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank

    研究結果表明：設置低坎分流墩后，消除了擺動水躍水舌擺動的根源，提高了水躍的消能效果，改善了下游水流流態。下游水體的主流在中部，既有效的降低了坎后水流底流速，減輕水流對河床的沖刷，又避免了主流位於表面導致波浪過大的結果，下游的水面波浪明顯得到削減。依據經驗公式，可根據工程水流條件設計出低坎分流墩的體型參數，進而估算出下游沿程的水面波浪，為下游岸邊的砌護提供依據。
  4. 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。
  5. The access roads seem new and made of fresh crushed rock. you can see the roads cross dry creek beds where they have not been washed away

    公路的入口看起來是新的，並且由新壓碎的石頭組成.你可以看到公路穿過了未沖刷的河床
  6. 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。
  7. During the pleistocene epoch the area that is now tso - chen was repeatedly covered and uncovered by the sea, and the fossilized remains of many organisms were preserved in the sediments that were laid down. today, after each heavy rain the bed of tsailiao creek is left covered with large numbers of fossils

    左鎮的菜寮溪流域，由於更新世時為海親海退相互間發生的不安定環境，造成大量死亡的生物形成化石沉積，每逢豪雨沖刷，菜寮溪河床上即散布大量的古生物化石。
  8. 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。
  9. 5. based on the physical model, summarized the general mode of river development in excavated segment with its up and lower influence reach after dredging, it means that gradually deposit in dredging segment while wash out in up reach, and the change intensities are weakening as the time goes on

    概括總結出了河段疏浚挖槽后，疏浚挖槽河段及其上下影響河段的河床演變及水面線變化的模式，即挖槽段逐漸回淤，挖槽上游段逐漸沖刷，並且其回淤及沖刷的強度隨時間的推移由大變小。
  10. Through theoretical computation and experimental observation, it is put forward that the maximal depth of the scoured pits of the embankment is from ten to thirteen meters, and for several pits whose top are rinsed by main flow continuously, their scoured depth have reached twenty meters

    經過理論計算和試驗觀測研究，提出了仁存渡以下沙質河床，丁壩最大沖刷坑水深為10 ? 13米，個別受主流持續頂?的丁壩，最大沖刷坑水深可達20米。
  11. 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。
  12. In order to explore harness scheme, layout, measurements and parameters concerned of the project, which are appropriate for the characteristic and the evolvement law of the watercourse of ningxia section of the yellow river, the study on the experiment of the scoured pit of the dam buttress and runoff of the root rock of ningxia section of the yellow river is of important theoretical meaning and practicable value

    河道床質也不相同，仁存渡以上河段為沙卵石，以下河段為沙質。為了探索適宜黃河寧夏段河道特性和演變規律的整治方案、工程布局、工程措施及有關參數，開展黃河寧夏段河道壩垛沖刷坑和根石走失試驗研究，具有十分重要的理論意義和實用價值。
  13. ( 5 ) lowing down the dam body will reduce the digging deep of the stilling basin, decrease the velocity of flow on the dam body and cut the difficulties of

    但下遊河床的沖刷加大，防護工作增加。降低壩體可以減小消力池的挖深，降低壩面流速和壩面的防護難度。
  14. The gold, washed down the mountain by the river and left in the riverbed near patu, kept on coming

    被河流從山區沖刷下來的金子，沉積在八堵附近的河床中，源源不絕。
  15. The existing results about scour hole was summarized. experiments was made about the influence of aeration on scour, the dynamic pressure on the original riverbed and the scouring hole bottom, and the influence of aeration on the dynamic pressure and the velocity of submerged jet. scour was simulated by numerical model

    在總結前人研究成果的基礎上，試驗研究了摻氣對基巖沖刷破壞的影響；基巖沖刷過程中沖坑底部脈動壓強隨沖坑深度的增加而變化的特性；摻氣對沖坑未形成前河床底部及基巖沖刷坑底部脈動壓強的影響；摻氣對射流軸線流速變化的影響等。
  16. Where resistant channel materials prevail, erosion is limited solely to " plunge pools " immediately below the outlets

    如果河床為抗沖物質，則沖刷僅限於緊靠出口下游的「沖刷坑」 。
  17. According to the similar rule, a movable bed model for downstream channel and the particle size distribution of the model silt in the channel and the scour hole are designed. a theoretical method of size distribution in the scour hole is devised

    根據模型律設計了太平灣尾水渠動床模型，分別確定了河床中和沖刷坑中模型沙的配比，並對沖坑中的床質級配進行了理論推導。
  18. It is concluded that the phenomena of replacement of spatial and temporal process is typical in the erosion development, the coarsen of riverbeds, the sediment concentration and the change of river regime, etc

    分析表明，河流再造床過程在沖刷延展、河床粗化、含沙量及其特徵、岸灘侵蝕以及河型變化等方面具有較典型的時空演替現象。
  19. The formation of the scoured pits is related with such factors as the unstable flow velocity and the unstable flow state caused by the circumfluence in the cross direction, the upstream circumfluence and the circle flow around the embankment

    沖刷坑的形成與橫向環流、上游迴流和繞流丁壩造成流速及流態不均勻等因素有關；根石走失與根石在水中的穩定性和河床性質及壩腳附近沖坑有關。
  20. According to the calculation results of general erosion of riverbed of bridge, this paper analyzes the impact of the main parameters in the formula to general erosion, gives the scope of application and defects of that formula, and proposes a suggestion on determination of general erosion depth

    摘要根據橋位河床的一般沖刷計算成果，分析計算公式中主要參數對一般沖刷的影響，指出公式的適用范圍和不足，提出確定一般沖刷深度的建議。
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