河道特性 的英文怎麼說

中文拼音 [hédàotèxìng]
河道特性 英文
cha elcharacteristics
  • 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...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. The bifurcated channel is a common river type, and there exists realistic meaning for the study on the division characteristics of the bifurcated channel

    分汊河道是一種常見的河型，其特性研究在河道整治工程中有著重要的現實意義。
  2. The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage

    系統的儲層特徵研究表明，該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖；儲層巖石經歷了壓實，膠結，溶蝕等成巖作用，歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期（ b亞期）膠結充填孔隙縮小期三個成巖-孔隙演化階段；儲層物性總體上具有較低孔滲、低孔滲的特點，孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔，裂縫不發育，儲集巖排驅壓力和中值壓力較高，孔隙結構類型以細小孔-微孔隙，微細喉-微喉型為主。
  3. The characteristics of biodiversity of yellow river delta are as follows : the vegetation structure is simplex and coverage is lower, which is characterized with obvious younger nature and abundant wetland ; the flora composition is simple, the plants usually could resist against salt and drought ; the xerophytes and meso - xerophytes are abundant, there are many mutual species with inner mongolia, which incarnated the biology corridor function of yellow river ; there are many animal species belong to national protected species, so the significance for biodiversity protection is great

    黃河三角洲地區生物多樣性主要表現出如下特點：植被結構簡單、覆蓋度低、生態系統年輕性特點和濕地生態系統特點明顯；植物種類少、常具有抗鹽、抗旱特性；旱生、中旱生植物以及與內蒙古共有植物種類多，充分體現了黃河的生物廊道作用；主要保護動物種類多，生物多樣性保護意義重大。
  4. By analyzing on nature, society and economy conditions as well as distribution characteristics of sand source in the lower lhasa river valley, put forward a series of comprehensive renovation scheme to harness sand sources, mainly including dredging channel, planting farmland shelter - forest network, constructing arbor - bush - herb shelter forest and shifting sand stabilization, this scheme will not only control blown - sand threat, and improve local ecological environment ; at the same time, also lay the strong foundation for enlarging lhasa city space and effectively utilizing local resource, embody a sustainable thought on how to make comprehensive renovation in high cold valley region

    摘要在深入分析本區自然社會經濟條件和風沙源分佈特徵基礎上，提出把拉薩河下遊河道疏浚與風沙源治理相結合，以河道疏浚、農田防護林、喬灌草防風護沙林和流沙固定等物理工程、生物和機械措施為主體，進行風沙源綜合整治，一方面可有效控制風沙災害的威脅，改善河谷區生態環境，同時為拉薩市城市空間發展和當地資源的有效利用奠定了基礎，體現了在高寒河谷區進行風沙源綜合整治的可持續性思路。
  5. According to the abundance well logging, mud logging and core analysis data, gaotaizi reservoir has been classified into four sand group with the principle of cycle comparison and classified control. based on the detailed study of lithologic character, sedimentary structure, paleontologic fossils, depositional sequence, rock association and logging data, the microfacies of the studied area are divided into such seven types : subaqueous distributary channel microfacies ; river mouth bar microfacies ; subaqueous interdistributary channel microfacies ; subaqueous crevasse channel microfacies ; subaqueous natural barrier microfacies ; distal bar microfacies ; delta front sheet sand microfacies. the characteristic of each sedimentary microfacies are described detailedly

    通過研究大量測井、錄井資料和巖芯資料，依據「旋迴對比，分級控制」的原則，把研究區高臺子油層劃分為g 、 g 、 g 、 g四個砂層組。通過對研究區巖性、沉積構造、古生物、沉積序列、巖石組合及測井曲線特徵進行研究的基礎上，認為研究區高臺子油層屬於三角洲前緣亞相沉積，並將研究區沉積微相劃分為：水下分流河道、河口壩、水下分流河道間、水下決口扇、水下天然堤、遠砂壩、席狀砂等七種微相類型。
  6. It is mainly by analyzing the features of sediment concentration distribution in vertical in this paper, and then the problems of effect of headwork gates on sediment prevention, relation between distribution of sediment deposition in irrigated areas and its treatment and utilization, estimating the influence of withdrawing water and sediment on channel deposition and erosion in lower yellow river, and treatment and utilization of the sediment entered into canals are discussed

    本文主要從分析計算含沙量沿垂線分佈特點，探討渠首防沙的作用，分析灌區泥沙淤積分佈特性與泥沙處理利用的關系，分析計算引水引沙對黃河下遊河道沖淤影響及入渠泥沙的處理利用等問題。
  7. In the past, more emphasis has been put on the flow pattern and the division ratio of water and sediment discharge. in order to study the division characteristics, a theoretic model is proposed in this thesis, which combines the plan configuration of channels with the minimum energy dissipation rate theory

    本文將河流動力地貌學中的平面形態和最小能耗率理論相聯系，研究分汊河道的分流特性，並推導理論分流模式；另一方面，通過建立二維水流數學模型，與理論分析結果進行比較。
  8. Based on the characteristics of the daily regulation wave of hydropower stations, the water surface lines in the rising and falling stages are calculated by using an one - dimensional steady flow model and an unsteady flow sediment model

    摘要根據水電站日調節波的特性，運用一維恆定流和非恆定流泥沙數學模型，分別計算了河道漲落水過程的水面線。
  9. The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano

    影響喀斯特流域枯水徑流的因素異常復雜，其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上，採用人工神經網路技術，結合傳統的統計方法，研究貴州高原上喀斯特流域的枯水徑流規律。
  10. Therefore, to clearly know about development of the river and choose the suitable bridge location is key link for constructing yili river super major bridge in sandaohezhi sub

    因此，對寬淺游蕩性河道的演變有了明確的分析認識並選擇合適的橋位，將是三道河子伊犁河特大橋修建成功與否的關鍵所在。
  11. Overall investigation of physiochemical features and biological factors of reservoir water quality were conducted in daoguanhe reservoir from 1999 to 2002. at the basis of these investigations, integrate evaluation of trophic state and environmental status was made. theoretical base for the reasonable utilization of fishery resource and ecological management of environment were provided using bio - manipulation technique and ecoenergetics means

    1999 ? ? 2002年全面調查了武漢道觀河水庫的水質理化特性和生物因子，在此基礎上綜合評價了水庫的營養狀態和環境現狀，並利用生物操縱技術和能量生態學手段，為水庫漁業資源的合理利用和漁業環境的生態學管理提供理論基礎。
  12. Through flume experiment and numerical simulation, preliminary work on computation of water surface profile in regulation river reach, numerical simulation of flow with single spur dike in flume, and 3 - d numerical solution of flow around spur dikes group are carried out in this paper

    本文通過模型實驗和數值模擬相結合的研究方法，在整治河段一維水面曲線計算，單丁壩繞流數值模擬，紊流數學模型在航道整治工程中的應用以及丁壩群附近水流的三維流動特性等方面做了一些初步研究。
  13. In the general design and analysis methods for problems of the breakwater stability, the concept of compositive safety factors is used usually. however, floodwater, storm wave and beach erosion as well as properties of soil medium are always random, which may have uncertainties

    在防浪堤壩的設計中，傳統的安全性能分析方法採用綜合的安全系數概念，但洪水、風浪、河道沖刷、土力學特性等因子都是隨機性的，具有一定的不確定性。
  14. Abstract : according to the character of evaluating the benefit of river channel hardness projects, analyzing the composition of benefit and caculation method, and discussing the feasibility and practicality through real cases

    文摘:從河道整治工程效益評價的特點出發，分析了效益組成及計算方法.並以實際案例論證了上述方法的正確性和可操作性
  15. Firstly, inner mongolia reach lies in the top north of the yellow river. it flows from south to north

    黃河內蒙段幾乎每年產生凌汛，這是由於它的特殊的地理位置、水文氣象條件、河道特性決定的。
  16. So researching the characteristic and the evolution of yangtze river riverway, understanding the influences on the evolution of yangtze river course, further to studying the evolution mechanism of the river, are important in science research and actual application

    因而研究長江河道特性及其演變特徵，進而在深層次上了解河道演變的影響因素，進一步從宏觀上弄清河道演變的機理，是一項具有重要學術價值和巨大實際意義的研究課題。
  17. For the characteristic of the river course and the conditions of water - sand are different in adjacent year. it follows the thinking that respectively build approximate model by the data of water - sand in different years, then finds out the forecasting model by recurring the approximate parameter array of each year

    由於連續年份下河道特性、水沙條件的差異，本文採用各年水沙資料分別建立擬合模型，各年擬合參數按時間序列遞推給出預報模型的研究思路。
  18. Based on analyzing discharge data in guide, xunhua, tongren hydrologic station and river course character, propagation time of different discharge in different river course is presented, and prediction period of interval flood, main stream flood during construction and operation period are acquired

    通過對貴德、循化、同仁水文站流量資料以及河道特性的分析研究，得出不同流量在不同河道上的傳播時間，歸納出區間洪水和幹流洪水在施工期和運行期的預見期。
  19. 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。
  20. Along with 21 centuries putting into effect step by step of strategy is developed greatly in our country the west, and this district will be the west possesses one of district of the development vigour, rapid development of society economy most, and ensures public security that the requirement put forward entirely is also more and more higher to preventing flood, therefore would rather quickening ningmeng course further, the river training is very necessary

    隨著21世紀我國西部大開發戰略的逐步實施，該地區將是西部最具發展活力的地區之一，社會經濟的迅速發展，對防洪保安全提出的要求也越來越高，因此，進一步加快寧蒙河段的治理是十分必要的。本文通過分析黃河寧蒙河段的水文泥沙特點、河道特性、以及龍、劉水庫運用后對寧蒙河段的影響，闡述了寧蒙河段河道整治的重要性。
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