典型河流 的英文怎麼說

中文拼音 [diǎnxínghéliú]
典型河流 英文
model stream
  • 典 : Ⅰ名詞1 （標準; 法則） standard; law; canon2 （典範性書籍） standard work of scholarship 3 （典故...
  • 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...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 典型 : 1 （在同類中最具有代表性的人或事） typical case; typical example; model; type; specimen 2 （具有...
  • 河流 : rivers; stream
  1. The researches indicated : ( 1 ) the seepage flow field of infiltration diversion is characterized by three - dimensional, saturated and steady flow. there is the close hydraulic relationship between the river and the groundwater in the filtering bed, and the groundwater is confined

    研究表明： （ 1 ）滲濾取水的滲流場具有典型的飽和三維穩定流特徵；滲濾取水濾床中地下水與河流的水力聯系比較緊密，濾床中的地下水處于承壓狀態。
  2. A typical case study on the sand body to subaqueous distribution river course and its oil enrichment

    一個典型的水下分流河道砂體展布與油氣富集規律
  3. A 2 - d hydrodynamic - numerical model was applied to typical rocky rapids called jiyutan by comparing different computational models. based on the comparison of different schemes, the change of the discharge and the flow current in a branch were analyzed, and the relationship between the flow condition and excavation area, scope as well as mode was discussed, the conclusions show : ( 1 ) in a branching rocky rapids, the velocity may be reduced and flow condition can be improved by excavating one channel partly

    本文在對各種數學模型比較的基礎上，應用二維水動力數學模型研究典型石質汊流灘? ?廣西潯江鯽魚灘航道整治工程方案，通過各方案計算結果比較，分析了不同汊道的開挖及汊道內不同開挖面積、開挖范圍以及開挖方式所引起的分流比及工程區域航道水力條件的變化規律，研究結果表明： （ 1 ）對于石質汊流灘來說，在某一汊道通過局部開挖河槽，擴大過水斷面面積，可以達到降低工程段流速、改善局部水流條件的目的。
  4. Jinsha river, nu river, lancang river and dulong river flush from the north to the south and form the relatively typical river - valley landforms which gives priority to the valleys

    金沙江、怒江、瀾滄江、獨龍江自北向南奔流，形成了較為典型的以峽谷為主的河谷地貌。
  5. Located at the middle between shanghai and suzhou, zhouzhuang is an ancient town of kunshan city, jiangsu provice, where abounds with rivers and lakes. the town is though over900 years old, yet it remains as it were. the typical style and features of the water country in town and even the way of life of its inhabitants remain unchanged. all the houses in the town built by streams with sidewalks along have naturally turned into its streets together with the ater lanes. stone bridges and overhead towers projection span over them for free passage of the local people. the murmuring streams under small bridges and courtyards, each surrounded by dwelling quarters, are the typical features of zhouzhuang and even the whole area of east china

    周莊是中國的一個水鄉古鎮，位於上海，蘇州之間.鎮為澤國，四面環水，港汊交歧，湖河聯絡，咫尺瓦工拿來，皆須舟楫.周莊雖然經歷900多年的滄桑，但仍完整地保存著原有的水鄉古鎮風貌和格局.全鎮依河成街，橋街相連，傍河築屋，深宅大院，重脊高檐，河埠廊坊，過街騎樓，穿竹石欄，臨河水閣，一派古樸，明潔的幽靜，是江南典型的"小橋，流水，人家"
  6. That the connotations, forming mechanisms, and the calculation methods on each element involved in water price are studied systematically and deeply. the water prices of luanhe basin, tianjin city and yinluanrujin iwt system in the typical year 2000 are calculated as the cases. the problems including the relationships between water price and water demand, as well as the bearing capacity of the consumer to water price are discussed

    提出了水價構成的理論公式；對水價構成中各基本要素的內涵、形成機理及其計算確定方法進行了較系統深入地分析研究，並對2000典型年灤河流域、天津市和引灤入津調水系統的水價問題進行了實證研究；對水價與需水量的關系以及用戶對水價的承受能力等問題進行了一定的分析探討。
  7. By integrating gis, social and economic statistical and field investigating data, taking wudinghe river watershed as the case study area, we discussed the driving mechanisms for the watershed land use change and the relationship between land use spatial distribution pattern and soil erosion at different scales. the results as follows : 1

    本文以無定河流域為典型研究地區，藉助地理信息系統（ gis ）技術，結合社會經濟統計資料和實地調查的數據，探討無定河流域土地利用變化的驅動機制和流域內不同尺度土地利用類型空間分佈格局與水土流失的關系，初步結論如下： 1
  8. The temperature of upper reach is higher than that of lower reach, therefore, the river freezes up from lower reach to upper reach and breaks up from upper reach to lower reach. secondly, inner mongolia reach lies in inland area. it is far from ocean and controlled by mongolia high - pressure

    其次，內蒙段處于內陸地帶，離海洋距離遠，暖濕氣流難以到達，常為蒙古高壓控制，呈典型的大陸性氣候，年降水量少，夏季盛熱短暫，冬季嚴寒漫長，河流結冰期長達4 - 5個月，大部分為穩定封凍河段。
  9. An example for such conditions is the tarim river and theeuphrates poplar forests at its banks and branches

    塔里木河和生長在其岸邊和支流上的胡楊就是乾旱地區生態環境的一個典型。
  10. Study on the eco - environmental water requirement for wetland in yellow river basin

    黃河流域典型濕地生態環境需水量研究
  11. The results showed that the water quality pollution of the whole basin is not serious and can achieve the water quality standard of this region basically

    結果表明：流域水質具有明顯的區域差異，在14個典型監測斷面中，福山水閘下和新夾河橋2個監測斷面水質污染較為嚴重，宮家島等4個斷面水質較好，其餘斷面水質良好。
  12. Analysis of runoff and sediment variation and landscape pattern of typical watersheds in jinghe basin

    涇河典型流域水沙變化及其景觀格局分析
  13. The main characteristics of land use / land cover change in xilin river basin over the past two decades were significant decrease in area of meadow grassland, temperate grassland vs. significant increase in area of cropland, desert grassland, urban area and desertilized land

    錫林河流域20年來土地利用/土地覆蓋變化的主要特徵為草甸草原、典型草原面積的大幅減少和荒漠草原、農田和沙漠化土地面積的大幅增加及城鎮的擴張。
  14. Epidemiological study on the probable cases of severe acute respiratory syndrom in henan

    河南省傳染性非典型肺炎臨床診斷病例的流行病學調查研究
  15. At the same time, the carbon cycle at mid - latitudes of north hemisphere still remains unknown, which leads people to nowhere in gaining a deep understanding of the mechanism of global change. in xilin river basin, inner mongolia, which is right located at the mid - latitudes of north hemisphere, the high speed of social - economic development shows high rate and strong intensity to land use / land cover change in the past two decades. in this paper, remote sensing, gis and ecological modeling techniques were combined to study the land use / land cover change and carbon cycle of xilin river basin

    文章首先對內蒙古錫林河流域四個時期的landsattm / etm +影像進行土地利用/土地覆蓋分類、成圖；通過對比，分析了錫林河流域近20年的來的土地利用/土地覆蓋變化；並進一步運用gis方法研究了錫林河流域草地退化的演化路徑；最後運用century模型模擬了內蒙古錫林河流域大針茅草原、羊草草原的碳循環過程，繪制了其碳循環模式圖；並進一步分析了錫林河流域典型草原生態系統對大氣碳庫的源/匯功能。
  16. This paper addresses causes of flow decline in terms of analysis of precipitation change, human activities such as water consumption and water & soil conservation, research issue of water cycle to change environment are discussed, that is emphasized as base of sustainable water use

    在此基礎上論述了黃河典型支流水循環研究的問題與重要性，提出了為水資源可持續利用服務的應用基礎研究問題。
  17. The characteristics and output rules of nitrogen and phosphorus loss of rainfall runoff in farmland of typical plain river - net area were studied through the field survey and the fixed location monitoring of the concentration of nitrogen and phosphorus

    摘要通過對研究區降雨徑流中氮、磷濃度的野外實驗和定點監測，研究典型平原河網區的農田降雨徑流氮磷流失特徵及其輸出規律。
  18. The geomorphological instantaneous unit hydrograph ( giuh ) is viewed as the frequency distribution of the times of arrival of individual water deoplets at the catchment outlet. the travel path, for a typical hillslope cell. consists of a hillslope fraction, corresponding to overland flow and a stream fraction, corresponding to concentrated channeled flow. to obtain the time of travel, velocities must be defined. hillslope and stream velocities vary with location and must be strongly correlated with slope, and therefore a spatial distribution of velocities and hence of travel times could be obtained. the present methods of giuh neglect any time delays associated with overland flow pathways

    地貌單位線被看作是流域上各水質點在弱相互作用下，到達流域出口匯流時間的頻率分佈。對於一個典型的山坡型網格單元，匯流路徑由兩部分組成，即坡地部分和河道部分，為了得到匯流時間，必須首先確定匯流速度。坡地和河道的匯流速度隨著區域位置而變，並且必然與坡度有關，因此，可首先計算流速的空間分佈，進而得到匯流時間的空間分佈。
  19. The author puts forward using double pore model and two permeability model and triple medium models to represent its infiltrating fluid model and studies partly the infiltrating fluid. ( 2 ) various kind of test well curve form characteristic crevices - cave model on reservoir was studied. the test well curve of carbonate seam cave oil reservoir divides to 7 styles : homogeneity, double - pore, vertical - transmitting, compound, low - seepage, double - seepage and triple medium

    充分利用動態資料和靜態資料，結合塔河油田碳酸鹽巖儲層特徵，開展典型探井的試井分析研究，將碳酸鹽巖縫洞型油藏試井曲線劃分為7大類：均質儲層油藏、雙孔介質油藏（包括孔隙?裂縫介質油藏、裂縫?孔隙介質油藏） 、垂直導流型油藏、復合油藏、低滲型油藏、雙滲介質油藏和三重介質油藏。
  20. Abstract : for high arch dams in valleys with the characteristics of high water head, large discharge and large power, the problems of energy dissipation and scour prevention are serious. based on scientific studies, new comprehensive measures are proposed, including dispersion of discharge to waken wallop of the current, and reinforcement of riverbed to enhance the erosion - resistance. the measures can be used to solve the problem of energy dissipation properly. a typical layout scheme has been proposed in which slotted bucket with diversion teeth, double deck with pores, and cushion pool are considered practice has proved that the scheme is reliable and the effect of energy dissipation is obvious

    文摘:高拱壩泄洪消能的特點是壩高落差大，流量大，功率大，位於河谷狹窄地區，泄洪消能與防沖問題突出.經科學研究，採用「分散泄洪，削弱水流沖擊力，加固河床，增強河道抗沖能力」的綜合治理措施，較好地解決泄洪消能布置問題.提出了表孔大差動坎加分流齒、雙層多孔、水流撞擊、下設水墊塘聯合消能的典型布置方案，經實踐證明，方案可靠，消能效果好
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