淤積面積 的英文怎麼說

中文拼音 [miàn]
淤積面積 英文
area of deposition
  • : 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...
  • : 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...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 淤積 : silting-up; deposit; sedimentation
  • 面積 : [數學] area
  1. A statistical model is developed and indicates high correlation between the accretion of modem yellow river delta and the water and sediment discharge of yellow river, and the model shows the necessary water and sediment discharge per year to ensure the equilibrium of alluvion and erosion of yellow river delta

    黃河三角洲凈造陸與黃河入海水沙量的統計模型說明,黃河三角洲沖動態平衡時的黃河入海徑流量為71 . 93億m ~ 3 a ,輸沙量為1 . 853億t a 。
  2. Deposition is the counterpart of erosion.

    是侵蝕的對應
  3. 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與潮盆的比值,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與潮盆的比值與平均潮差之間存在著顯著的相關性。
  4. Look from the vertical section plane, project two have not the delta conformation of fill up. project one lost the effectual contains of reservoir. in opposition, project two lost the dead contains. during the experiment of the local former in front of the dam, the quantity of the sandiness out the reservoir appears that lot of sandiness passed the bottom hole and little passed the electricity plant and the water gap

    方案二與初設方案運用對比,方案二總量明顯減少,從縱剖看,方案二無明顯三角洲形態,而初設方案運用30年形態具有明顯的三角洲形態,從庫容變化看,初設方案運用主要損失有效庫容,而方案二則相反主要損失死庫容。
  5. Raised, conical seat prevents solids build - up from interfering with seal. seat is hardfaced with stellite to meet severe service. alternative space age alloys are also used

    凸起的、錐形閥座避免實心顆粒影響密封。閥座採用鎢鉻鈷合金進行硬處理,能夠經受惡劣環境的考驗。也可採用航空工業用合金製作的閥座。
  6. 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;在以為主時期的調整,是通過斷不同部位的來實現的,但都是由u型較大河槽向v型窄深小槽發展。
  7. According to the contrast between different maps and the dynamical conditions, the area of bohe lagoon had reduced by 45. 3 % from 1932 to 2000 and human activities in the coastal zone, such as inning, sand dredging and aquiculture, have brought great effects on the coastal system, which has accelerated the barrier erosion and lagoon evolvement

    通過對比分析, 1932 ~ 2000年,博賀?湖減少45 . 3 % ,人類活動已成為影響該區海岸演變的主導因素;灘塗圍墾、海岸采沙與水產養殖等人類活動加劇了沙壩海岸的侵蝕後退,且使得?湖迅速減少,不斷淺萎縮,大大加快了海岸體系的演化進程。
  8. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉分配的過程來看:三角洲與濱海區泥沙的沉變化趨勢是基本一致的,各部位的泥沙沉比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙沉的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉量; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來沙量與造陸的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  9. Its tidal land covers an area of more than 6. 8 million mu, 75 % of jiangsu with land forming eastward at the speed of 40, 000 - 50, 000 mu per year

    沿海灘塗680多萬畝,佔全省沿海灘塗的75 % ,每年還以4 - 5萬畝的速度向大海長。
  10. The effect of dredging channel for deposition reduction is related to dredged channel geometry morphology and dredged channel area

    挖河減效果與挖槽幾何形態及挖槽有關。
  11. Forests as an adjuster for ecological balance in mountain areas play important roles in soil and water conservation, runoff and silt retardance etc. especially, forests are regarded as " forest reservoir " due to their great hydrological regulation functions through canopy, undergrowth, litterfall and soil layers

    森林是山地生態平衡的重要調節器,特別是其水源涵養、理水保土、緩洪滯的功能對于山地大的福建省顯得極為重要。森林通過林冠層、林下植被層、枯枝落葉層以及土壤層發揮良好的涵養水源、保持水土、削峰滯洪等「森林水庫」的功能。
  12. The characteristic of bed regulating is that the width and area of main channel and medium flowing channel increased greatly during the sustained silting period and decreased during scouring period

    河道調整特點為持續沖刷時期主槽、中水河槽的河寬、都明顯增大,持續時期則減小。
  13. Because of serious sedimentation for the downstream section of the wei river, the conventional forecasting method cannot get satisfactory results

    在探討了gis與圖形交互技術的應用方,有所前進。渭河下遊河道嚴重,一般洪水預報方法效果不佳。
  14. ( 3 ) the landscape pattern of kaifeng city were affected by yellow river, such as many no - used land were transformed to farmland land through irrigation diverting water from yellow river, the developing direction of construction land was restricted by yellow river

    ( 3 )開封城市景觀格局深受黃河的影響,如引黃灌使的未利用土地轉變為耕地,引黃水利建設使的水域增加,建設用地受到黃河的影響向北發展受到一定的限制。
  15. The equipment adopts centrifugal sliding plow groove rotor and is the newest structure evaporator at present. it can form membrane under the condition of small flow. comparing with that of fixed space drag evaporator, its evaporation capacity can increase 40

    本設備採用離心式滑動溝槽轉子,是目前國外最新結構蒸發器,在流量很小的情況下也能形成薄膜,在簡體蒸發段內壁表附著處理液中的物可被活動刮板迅速移去,和固定間隙的刮板蒸發器相比,蒸發量可提高40 69 。
  16. For the reasons of accumulated soils and sands and the amount of precipitation, the volume in the reservoir is dynamic. if the volume in the reservoir is not dispatched correctly, it will result in the overflowing of the dam bank of the reservoir, even in the collapsing of the darn

    庫容又是水庫調度不可忽視的問題,而庫容又與水庫的橫、縱斷、水位、水深有關,由於泥沙、降水量多少等原因,水庫水量是動態的,不對水庫水量正確調度,會在大洪水時,造成水庫堤壩漫溢甚至垮壩。
  17. The outcomes show that not only the channel near the outlet has been extended, but also the created land area increased to varying degrees during the tests of a regulated discharge regime of the river and ; a regulated discharge regime has significant roles on keeping the balance of erosion and deposition of the estuary

    結果表明:調水調沙期間,河口口門附近不管是河道延伸,還是造陸都有不同程度的增加;調水調沙對河口的沖平衡有重大的作用。
  18. On one hand, technological difficulty exists in determining the number and flood routing for dam system. on the other hand, for dam system security and stability, single dam ’ s designing should take flood control standard of dams, hinge composing, building sequence as well as years of filling up into account

    一方壩系整體調洪、數量的確定技術難度大,另一方,小流域壩系中單壩的設計必須綜合考慮上下游壩的防洪標準、樞紐組成、建設順序、年限等情況,才能保證壩系的安全和穩定。
  19. Based on the analysis of satellite images of various periods, landform data and river channel transverse section evolution in the lower yellow river, the characteristics of the river channel boundary condition changes at different location are clarified as middle flood channel flood transport width and area are evidently decreased especially for the main channel with comparison to 1950s, beach area that is unimpeded before become blocked because of road, irrigation channel constructed on it, and consequently intensify high edge of beach and lowering dyke and river

    在現場查勘的基礎上,通過對丹江口水庫和小浪底水庫攔沙初期下遊河道演變、排洪能力變化特點的對比,分析了黃河下游防洪臨的新形勢:小浪底水庫攔沙初期,下遊河道發生沖刷,但艾山以下窄河段沖變化不大,近年來形成的萎縮的狀況難以很快改觀,游蕩性河段調整劇烈,工程出險機遇增大,河道水位流量關系中水流量以下部分同流量水位明顯降低,中水流量以上部分水位降低幅度可能會明顯偏小,防洪形勢仍不容樂觀。
  20. Hydroelectric power exploitation can reduce sediment disposal, lengthen life of power plants in lower stream, control stream, better water quality, and reduce contamination etc. considering the structure of power of sichuan province and pointing out its six problems in power development, this thesis comes up with sustainale development strategy of sichuan hydroelectric power exploitation, that is, prefentially exploit large scale hydropower plant which has good water - adapting capability, comprehensively use water resource, try to reduce cost caused by drowning, stimulate rotating exploitation, well deal with settlement of people in hydroproject construction, and alleviate contamination

    論述水電開發在減緩泥沙、延長下游水電站壽命、調控水流、提高供水量、改善水質、提供清潔能源、減少環境污染等方對長江上游生態屏障建設的作用。本文研究分析了四川水電開發的可持續發展戰略,首先對四川省電力結構現狀進行了分析,指出目前四川電力發展存在的六個主要問題,從優先開發具有良好調節性能的大型水電站、綜合利用好水資源,盡最大可能減少水庫淹沒損失,極推進流域梯級滾動綜合開發,處理好水庫移民關系,減輕對環境的不利影響等六個方論述了水電開發的可持續發展戰略。
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