河段長度 的英文怎麼說

中文拼音 [héduànzhǎngdù]
河段長度 英文
length of reach
  • 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...
  • 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 河段 : [水文] channel segment; stream segment; reach
  • 長度 : length; longitude; size; extent; footage
  1. The late ordovician - silurian - devonian - early carboniferous stratigraphic division and correlation, including the chronologic correlation of the donghe sandstone, which are the old great difficult key stratigraphic problems interfering with the development of the oil and gas exploration in the tarim basin, are synthetic studied by systematically applying chemobiostratigraphy. several important relevant stratigraphic boundaries are recognized, and the donghe sandstone is attributed to the frasnian, late devonian. the results of the study in particular proves that chemo - biostratigraphy has great significance and is a practical tool for high resolution stratigraphic division and correlation, especially for the region and or the bed with rare fossils

    首次系統應用化學生物地層學對長期遺留的嚴重阻礙了油氣勘探開發步伐的塔里木盆地重大疑難地層問題：晚奧陶世志留紀泥盆紀早石炭世地層劃分對比和東河砂巖時代等進行了綜合研究，釐定了幾條重要的相關地層界線，並將東河砂巖的時代確定為泥盆紀晚泥盆世弗拉斯期。這些研究成果表明，化學生物地層學對高解析度地層劃分對比尤其是對在化石缺乏地區和層段進行地層劃分對比工作有重要的意義和實用價值。
  2. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。
  3. According to all the sediment peaks of 35 floods observed at each station on the downstream of xiaolangdi, it analyzes the characteristic of delayed sediment peak and establishes a regression equation between sediment peak lag time for each section of xiaolangdi, huayuankou, jiahetan, gaocun, sunkou, aishan and lijin and peak discharge, sediment concentration of the peak, flood propagation velocity and fall velocity of suspended load of the previous station, which can search, make up and extend sediment peak lag time and provide a basis for accurate forecasting on sediment peak travel time of each station on the lower yellow river

    根據小浪底下游各站沙峰均滯後於洪峰的35場洪水，對沙峰滯後於洪峰的特性進行了剖析，建立了小浪底、花園口、夾河灘、高村、孫口、艾山、利津各河段沙峰滯后時間與上站洪峰流量、沙峰含沙量、洪水傳播速度、懸移質泥沙群體沉速之間的回歸方程，可以用來查補延長沙峰滯后時間，為下游各站沙峰傳播時間的準確預報提供依據。
  4. Reliability assessment of xi - luo - du underground water - power plant : the results have been used by the cheng - du surveying, design and research institute for the preliminary design ; （ 2 ） the stress and strain analysis for the xiao - guan - zi sluice and its foundation : the report has been applied for the reinforcement of the foundation ; （ 3 ） the thermal control procedure for the no. 7 - 14 power plant dam segments of the three gorge project ： the research report provides the effective and efficient methods for the controlling of the temperature field in the mass concrete structure ; （ 4 ） the software system development for the long - term monitoring for dikes ： the software can automatically give the results of the seepage field and the probability of soil piping of dikes and underground ; （ 5 ） reliability assessment of xiang - jia - ba underground water - power plant : the results have been used by the zhong - nan surveying, design and research institute for the preliminary design ； （ 6 ） fatigue reliability estimation of shipping berthing pillar : the results give the optimized design scheme and prediction of the structural age ; （ 7 ） 3 - d static and dynamic stochastic finite element analysis for the strength, stability and thermal control problem for xi - luo - du project

    溪洛渡水電站超大型地下洞室群圍巖穩定的安全可靠性分析：被成都勘測設計研究院應用於比選報告及可行性論證中； （ 2 ）小關子水電站攔河閘壩及地基的應力應變分析：被成都勘測設計研究院應用於地基加固處理方案； （ 3 ）三峽廠房7 # - 14 #壩段溫控並縫措施研究：為廠房壩段並縫方案的可行性提供了依據； （ 4 ）堤防工程體系的長期監控預報預警決策系統開發：為監控、預測預報堤防滲漏管涌破壞提供分析軟體； （ 5 ）向家壩地下洞室群圍巖穩定的安全可靠性分析：被中南勘測設計研究院應用於初步設計方案中； （ 6 ）靠船墩的疲勞可靠度研究：為廣東航運規劃設計院的靠船墩優化設計和加固提供依據； （ 7 ）溪洛渡高拱壩壩體壩基（壩肩）強度和穩定的三維靜動力隨機有限元分析及可靠度計算：為溪洛渡重大工程壩體的靜動力安全穩定性及溫控方案提供依據。
  5. 3. the drop datum of largest water level in researched reaches increases relatively with length increase of dredging channel in definite condition of discharge and sediment and definite dredged sediment quantity or dredged morphology of transversal section

    在一定的水沙條件和一定的挖沙量或一定挖河斷面條件下，隨挖河長度增加，研究西安理工大學工程碩士學位論文河段最大水位降落值相對越大。
  6. With the development of computer technology in hydrographic field, usage of many kinds of advanced and complicate algorithms is not a problem. but because of complexity of geography, acquirement of primitive data needed in hydrographic calculation is still hard to tackle, for example, the length of river segment, the width of every node of every river segment

    隨著計算機技術的發展，在水文學及水資源學科，運用各種先進、復雜的專業演算法求解已經不成問題，但由於地形地貌的復雜性，水文計算中所需的原始資料，如河段的長度，河段各斷面上各個節點處的河寬等數據的人工實地採集工作仍然是很費時費力的事。
  7. Which type of lrt is appropriate ? what conditions are required ? also, in the process of planning an lrt system so that its lines, stations, and surrounding urban living space can be integrated with public art and the environment, how will the planning and design coordination mechanism be established

    輕軌臨港環線建議路線，大部分利用現有之臨港線鐵路路權，部分利用道路，全線長度約17 . 12公里，其中通過路寬較窄之五福四路路段，繫於五福四路與河西路布設單軌之設計方式，長約3 . 14公里。
  8. In recent years, with the development of the economy in shengli oil - field, the water resources demand has increasingly added. at the same time, the yellow river valley economy has gain the significant increment in the last ten years, so its water use continually increases. the water measure of the yellow river mouth in shengli oil - field continuously has reduced, and breaking flowing time has become more and more, resulting in the contradict with oil - field supply and demand turning worse continuously

    近年來，隨著勝利油田經濟的多元化發展和城鎮化進程的加快，必然導致對水資源需求量的增加，與此同時，黃河流域在近十幾年來同樣經歷了一個經濟高速發展期，流域內的耗水量大幅度增加，黃河河口段來水量不斷減少，斷流時間越來越長，造成了以黃河為主要水源的勝利油田供需矛盾不斷加劇，供水工程暴露的一些問題亟待解決。
  9. The study solves engineering problem as follows : ( 1 ) the systematic study on the historical course of xigeda strata deposit and geologic environment includes strata, lithologic characters and constitution et in the liangshan and panzhihua region. the results show that the xichang - panzhihua express way is controlled by the anninghe fault and the xigeda fault, the earthquake frequently happen in the region of pass, the different sedimentation number is more great, they effect the road building, safety in operation and structure belong road ( 2 ) because in some place the xigeda strata is foundation and roadbed, the study on the basic properties of the xigeda strata include density, moisture content plastic and liquid limit graduation. the results show that the xigeda strata is deposition in lake, the main component is mudstone and sandstone, the fine particle is main, it has some viscosity, the moisture content of mudstone is different the it of sandstone, the other property are likeness. the xigeda strata has no dilatation on total, some claystone have low and medium dilatation ; ( 3 ) the study on the basic properties of xigeda filler include the composition of matter the biggest standard dry density, the optimum moisture content the results show that xigeda filler can use as road material, it is well grade filler and admixture filler on essence, its compaction index should change in different place because the property is controlled by mudstone and sandstone that change is great in different place ; ( 4 ) the study on the xigeda filler craft used as express way roadbed, includes suitable thickness, compaction numbers and methods and equipment choice et

    公路沿線廣泛分佈有昔格達地層，昔格達地層能否用作高速公路路基填料，國內沒有先例，本論文就是結合導師的科研項目，在非典期間，現場長達5個月的工作，完成了從試驗、現場施工工藝到路堤分層沉降監測等工作，是面對生產實際，認識昔格達地層的性質和其作為地基、路基和填料應用中面臨的問題進行的研究。主要的研究內容有：對攀西地區地層巖性、構造等地質環境和昔格達地層的沉積歷史過程作了系統的分析，研究表明西攀高速公路主要受安寧河斷裂和昔格達斷裂影響，通過地區地震活動頻繁，差異沉降較大，對公路建設、安全運行和沿線構築物設計有較大影響；由於昔格達地層在有些路段作為地基、有些作為路基，對其基本性質進行了研究：包括天然密度、含水量、塑液限、顆粒級配等指標的試驗研究。研究成果表明：昔格達地層為湖相沉積，主要為砂巖和泥巖，它以細粒組為主，同時粘粒的存在，使其具有一定粘性。
  10. In this paper, remote sensing picture is processed by erdas, a famous rs & gis platform, and information on the chong qing part of the yangtze river is obtained, which can be compared with the water level data from numerical calculation and evaluate the computation precision of mathematical models

    本文利用著名的rs & gis軟體平臺erdas對遙感圖片進行處理，獲取長江重慶河段河網的信息。可以將提取的河道水面線與數學模型計算的水面線進行比較，對數學模型的計算精度作一個評估。
  11. The environment in dhv is facing the serious vulnerable period in the history due to its nature situation of half - year dry period, fragile geological structure and shallow soil, and its social situation of over dense population and over farming

    由於乾熱河谷地區的地質結構不穩定、土層淺薄、人口膨脹、過度耕種，尤其長達半年的旱季等原因，導致該地區的生態環境處于極端的脆弱階段。
  12. China marine oil spill contingency plan is now in the process of improvement. the inland waterway oil spill is another important area remain to be explored in term of increasing accident rate and booming shipping amount in yang tzi river. the need for inland waterway oil spill contingency plan is imperative. at strategic level, this paper compares several existing oil spill risk analysis methods including " historical date analysis " and " comparative risk indexes ", pointing out limitation of them, and then apply the " comparative risk indexes " approach to " river segment " spill risk analysis, developing " river segment oil spill comparative risk assessment framework " this paper also take new approach to collision and grounding in river by stochastic modeling tanker traffic in narrow waterway

    本文在內河溢油反應戰略規劃層次上，分析現有的溢油風險評估方法，包括歷史數據統計法和比較風險評估法，指出相關方法的適用性和局限性；基於長江下游水道採用「區段」和「河段」雙層評估的思路，提出「長江下遊河段比較溢油風險評估模式」 ；將馬爾科夫狀態轉移的思想應用到船舶運動描述中，從隨機過程角度分析船舶在水道中的運行和事故發生，得出船舶事故概率計算模型。
  13. In this article, the author study the short - term optimization dispatching of cascaded hydropower in order to get a practicable mathematical model and arithmetic. basing on deep analysis and generalization of yilihe cascaded reservoir, the author set up a short - term dispatching mathematical model and an inner - plant economical operation model to simulate the real operation process. dynamic programming method ( dp ) is effective to solve the several problem and discrete differential dp ( dddp ) is a reduce dimension tool

    本文緊密結合雲南省境內的以禮河梯級水庫的工程實際，在對其進行深入分析和概化的基礎上，建立了反映實際問題特點的梯級電站短期調度模型和廠內經濟運行模型，動態規劃方法以其擅長求解多階段決策過程問題而被本文選為優化工具，由於dddp的降維效果顯著，從而使動態規劃在本研究模型中得以運用。
  14. The vertical mixing law of the linear source in the natural river has been studied in the second step. at first the concentration equation of the linear source at different depth has derived. by the theoretical analysis, the relationship between the distance of the vertical homogeneous mixing and the part depth of homogeneous mixing, and the equation calculated distance of whole depth homogeneous mixing for the linear source have been presented

    通過理論推導，得出任意位置上瞬時線源濃度場的解析解表達式；推導得到表面不同深度線源排放時垂向部分均勻混合水深隨縱向距離變化規律的函數關系，並建立了相應變化規律的諾莫圖；導出了表面不同深度線源在全水深均勻混合時的縱向距離的計算公式，應用長江口南通河段實測資料驗證，得到一致結果。
  15. " in the course of widening the river section at lo wu, it is necessary to reconstruct the lo wu railway bridge as its span is not long enough for the widened river section, " he said

    他說：在擴闊深圳河羅湖河段的過程中，我們必須重建現有的羅湖鐵路橋，因為這條橋的長度不足以跨越擴闊后的河道。
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