河勢 的英文怎麼說

中文拼音 [héshì]
河勢 英文
river pattern
  • 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...
  • 勢 : 名詞1 （勢力） power; force; influence 2 （一切事物力量表現出來的趨向） momentum; tendency 3 （自...
  1. ( 4 ) the dike breach risk of the south bank is relative higher in wandering reaches. ( 5 ) the dike breach risk of the north bank is higher than the south bank in winding reaches. simultaneously, the evaluation results manifest that the evaluation indexes system established from the locomotion of incoming water and sediment load, the regional crustal stability, the evolvement of river regime and the stability of river dikes, can reflect the actual situation of hang river in the lower yellow river more fully

    評價結果同時表明，從水沙運動、區域地殼穩定性、河勢演變和堤防穩定性4個方面建立評價指標體系，能夠更加全面的反映黃河下游懸河的實際情況;運用多層次模糊綜合評判法能夠較好地解決影響因素眾多、作用機制復雜的懸河決溢風險問題;運用gis技術強大的空間分析功能，使黃河下游懸河不同空間位置的決溢風險得到了量化，可以客觀地反映黃河下遊河道不同空間位置決溢風險的差別，對于指導防洪和河道治理的實踐具有重要的現實意義。
  2. Based on analysis of hang river ' s actuality in the lower yellow river and researches related with evaluation of dike breach risk, it is put forward that the influencing factors of hang river dike beach risk in the lower yellow river should involve 4 aspects, the locomotion of incoming water and sediment load, the regional crustal stability, the evolvement of river regime and the stability of river dikes. the evaluation indexes system of hang river dike breach risk and uniform synthetic model are established from the 4 aspects. with the support of gis technology, the evaluation indexes system and the model of multi - hierarchical fuzzy synthetic judgment are applied to estimating the dike beach risk of hang river in the lower yellow river under different flood conditions

    在對黃河下游懸河現狀、決溢風險評價有關研究進行分析的基礎上，本文提出黃河下游懸河決溢風險的影響因素應當包含水沙運動、區域地殼穩定性、河勢演變和堤防穩定性4個方面，並從這4個方面建立了黃河下游懸河決溢風險評價的指標體系和統一的綜合評價模型;在gis技術的支持下，運用評價指標體系和多層次模糊綜合評判模型，對不同洪水情景下黃河下游懸河的決溢風險狀況進行了評價。
  3. Discussion on river pattern variation of the fenhe river ' s section of entering the yellow river

    淺議汾河入黃段河勢變遷及影響
  4. The river section from tieshu, mengjin, henan province to gaocun, shandong provice, is a wandering section, with the length of 299 km. the section are wide and shallow, the flow state of the section is turbulent with a swing mainflow

    黃河下遊河南孟津鐵謝至山東高村299公里游蕩性河段，河道寬淺，河勢散亂，主流搖擺不定，是黃河下遊河道整治的重點和難點。
  5. Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed

    文摘:涪江潼南河段防洪整治是一項以防洪為主體的綜合性河岸整治工程，在平面二維數值模擬計算的基礎上再進行河工模型試驗，比較分析各防洪整治方案下潼南河段水流條件的變化，及其對上游防洪、河道、大橋、電站、航運、河勢的影響，提出合理可行的工程方案
  6. Permeable pile dike is an important method for stream control in river restoration or construction, and is of some marked advantages including deep groundwork, large strength, simple construction, little emergency, easy maintenance, effective control on the flow trend and increasing the sedimentation

    透水樁壩是河道整治工程中的一種，由於其根基深，強度大，施工程序簡便，具有少搶險，易護理，同時具有控導河勢和在灘地緩流落淤等功效。
  7. Efficiency of permeable pile dike is closely related to water - sand ratio in upstream flow, direction of the coming flow and seepage rate. this paper investigates mechanism and effect of flow control and aggradation using hydraulic modeling and theoretical analysis. it is shown that suitable seepage rate can help aggradation and suitable coming flow direction can help to govern the flow trend

    研究結果顯示，來流和來沙一定的條件下，透水率在適當的范圍內有利於壩后緩流落淤，入流角在一定范圍內對控導河勢有明顯作用，不同方案組合所對應的緩流落淤效果和控導河勢作用具有一定的差異性。
  8. Abstract : by analyzing the changes of incoming water and sediment in the lower weihe river, in allusion to the question of flood discharge capacity being not enough, control project being short, river pattern can ? t being controlled and the management being loose etc, advise to increase the investment, consummate the measures of flood prevention engineering and non - engineering. strengthen the management, consolidate the consciousness of flood prevention and disaster alleviation, in order to raise recent ability of flood prevention in the lower weihe river

    文摘:通過對渭河下游來水來沙變化的分析，針對現狀堤防過洪能力不足、控導工程少、河勢得不到控制和管理工程等方面存在的問題，提出應加大投入力度，完善防洪工程措施和非工程措施，加強管理，強化防洪減災意識，提高近期渭河下游防洪能力。
  9. According to the test results from the yellow river water - sediment regulation, especially the first test, e paper analyzes the results of the scouring or deposition in the lower river and the area of the river - mouth bar, the adjustment of the channel morphology, the effect of channel regulation and the changes of flowing capacity of the lower reaches

    根據這兩次黃河調水調沙試驗成果，特別是首次調水調沙試驗成果，對下遊河道沖淤效果、河口攔門沙區泥沙沖淤量及其分佈、河勢調整、整治工程作用及河道過流能力變化進行了分析。
  10. Thus, it is neccessary to analyze and predict the change of this wandering river section, so that to adopt the suitable counter - measures in advance

    如何分析和預測小浪底水庫運用后游蕩性河段的河勢變化，及早預籌對策，就顯得十分緊迫和必要。
  11. The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious

    結果表明，近期隨著水沙條件、潼關高程等的變化及工農業的發展，渭河的水環境發生了巨大變化，表現在年水量及汛期水量銳減；大流量級水流出現次數減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴重；河道向擺動型發展，河道萎縮，河勢惡化；大洪水發生的次數顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災發生次數增加，洪災加重；水質污染極為嚴重。
  12. The dissertation focus on the main conflict of flow and sediment change, by analyzing the flow and sediment features, and change in rivercourse of typical period in histry, collecting the data of riverbed change. according to the flow and sediment change condition, combining the existed water works, and based on the results of former researches, the study are conducted on the law of flow state change by comparing rivercourse conditions before and after the completion of sanmenxia project, which may provide some idea for flow state change when xiaolangdi project completed and put into operation and some basic clue for the prediction of variation trend of river section from tiexie to shendi, from shendi to tieqiao near zhengzhou, from tieqiao near zhengzhou to dongbatou, from dongbatou to gaocun and so on in the year 2010 and the period 2010 to 2020. the result may provide some reference for flood control of these wangdering river sections, and some guidelines for planning of water projects and arrangement of project sequence

    本課題緊緊抓住小浪底水庫運用后水沙變化這一主要矛盾，通過分析研究以往典型時期的水沙特點和河道演變特點，收集分析河床邊界條件變化資料，小浪底水庫運用后水沙資料變化，結合現有河道整治工程建設情況，總結前人的研究成果，重點研究三門峽水庫運用後下遊河道河勢變化的規律和特點，探索小浪底水庫運用後下遊河勢變化情況，分析預測游蕩性河道鐵謝至神堤、神堤至鄭州鐵橋、鄭州鐵橋至東壩頭、東壩頭至高村等各個河段在2010年， 2010年至2020年期間的河勢變化趨勢，為分析游蕩性河段的防洪形勢，指導河道整治工程建設的規劃和工程安排提供決策參考和依據。
  13. The local current disturbance after bridge being built in qiantang estuary leads to correspond changes of riverbed near bridge. but there is not any impact on astronomical tide, runoff large - scaled river shape and riverbed after bridge being built. so it does n ' t change the formation of tidal bore at all after bridge being built, but there is some impact on the shape and intensity of tidal bore because of pier resistance

    在錢塘江河口建橋將引起局部水流的擾動及近區河床的相應變化，但不會對天文潮、徑流及大范圍河勢、河床產生影響，因而，建橋不會從根本上改變涌潮的產生，但橋墩阻力對涌潮形態和強度是有影響的。
  14. Results show that the construction of the fuling dock has a little influence on flood control and flow regime of the fuling reach

    結果表明，修建涪陵港區碼頭對該河段的防洪及河勢變化影響不大。
  15. When xiaolangdi project completed and put into orperation, the inflow of water and sediment condition will be changed because of the regulation of the reservoir. especially the initial 14 years, the reservoir will hold up sediment and release clear water, which may affect the river sections in henan province, especially the wandering sections. it will result in changes of flow state and endangering the water works, because the longitudinal addend by scouring and lateral slope failure

    小浪底水庫建成運用后，通過水庫的調水調沙，改變了黃河下游的來水來沙條件，尤其是運用的前14年處于攔沙期，下泄清水，對河南河道的影響最為劇烈，對游蕩性河段的河勢變化將產生很大影響，河道縱向沖刷下切，橫向灘岸坍塌，工程出險將大量增加。
  16. Research on engineering geology of river pattern control in the middle and lower reaches of the yangtze river

    論長江中下遊河勢控制工程的地質研究
  17. River regime evolution at tongling reach of the yangtze river and the influence of 1998 embankment works on river regime

    長江銅陵段河勢演變及隱蔽工程對河勢影響
  18. Research on the river pattern change and control of the xiajingjiang river

    下荊江河勢演變與河勢控制研究
  19. Research on yellow - river - crossing works and river regime flood control

    南水北調中線穿黃工程河勢與防洪初步研究
  20. Influence of water transfer project from south to north on middle and lower reaches of hanjiang river

    南水北調中線工程調水后對漢江中下遊河勢的影響
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