河道研究 的英文怎麼說

中文拼音 [dàoyánjiū]
河道研究 英文
river study
  • : 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...
  • : 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) ...
  • : 研同 「硯」
  • : Ⅰ動詞(仔細推求; 追查) study carefully; go into; investigate Ⅱ副詞[書面語] (到底; 究竟) actually; really; after all
  • 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
  • 研究 : 1. (探求) study; research 2. (考慮或商討) consider; discuss; deliberate
  1. Qualitatively similar results were obtained by ahmad (1953b)in a model study of a river barrage or weir.

    阿赫麥德(1953b)在的閘壩模型中得到了定性的相同結果。
  2. The bifurcated channel is a common river type, and there exists realistic meaning for the study on the division characteristics of the bifurcated channel

    分汊是一種常見的型,其特性整治工程中有著重要的現實意義。
  3. Degenerate oligonucleotides to highly conserved regions of cucumis melo 1 - aminocyclopropane - 1 - carboxylic acid ( acc ) oxidase gene were used to prime the amplification of fragment of 128bp by ploymerase chain reaction ( pcr ) in samples of genomic dna from fruit of cucumis melo l. cv hetao flesh, which was cloned into plasmid vector pmd - 18 - t. the clon of antisense orientation were selected, and it was inserted downstream of camv35s promoter and enhancer " " of tmv into the plant expression vector pbinyxw, antisence expression vector pbinya was constructed. at the base that pollination and fertilization of cucumis melo l. cv hetao was studied, using pollen tube pathway transformate cucumis melo l. cv hetao, 76 fruit had been obtained, moreover, hardness and content of sugar were analysed

    本實驗以套蜜瓜果肉基因組dna為模板,用甜瓜acc氧化酶基因特異寡核苷酸鏈為引物進行pcr擴增,得到128bp的擴增產物。將得到的擴增產物克隆到質粒載體pmd - 18 - t上,篩選反向克隆,然後將其反向構建到植物表達載體pbinyxw的camv35s啟動子和tmv增強子「 」的下游,構建成反義表達載體pbinya 。並在對套蜜瓜授粉受精生物學的基礎上,通過花粉管通法轉化套蜜瓜,共獲76顆瓜,並進行了硬度和含糖量的分析。
  4. A case study is made for low sinuosity of distributary channel sandbody

    對低彎度分流砂體開展了建模實例
  5. The simulation of the formation and evolution of the distributary channel of delta

    三角洲分流形成及演變模擬
  6. This thesis numerically modeled the current hi the outfall reach of a new floodway, and provide the scientific basis for the layout and design

    本文主要針對淮入海水口段,利用數學模型其水流狀況,為工程規劃和設計提供科學依據。
  7. Numerical simulation study on three - dimensional velocity field of fluvial channel current

    水流三維流速場的數值模擬
  8. Some researchers have made study on this subject, such as the generation and evolution of frazil ice, shore ice, bottom ice, ice cover and ice jam, the resistance of freeze - up river, flow capacity and variation of water stage

    國內外一些學者通過原型觀測,試驗和數值模擬的方法對水內冰,岸冰,底冰,冰蓋和冰塞的生成和演變,封凍的阻力、過流能力和水位變化等有關問題進行了
  9. From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay

    沉積微相是儲層非均質性的基礎,區有豐富的巖芯資料和測井資料,通過巖石組合、沉積韻律,砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志,結合古環境背景,確定沈84 ?安12塊s _ 3 ~ 4段為辮狀三角洲體系,而不是前人所認為的扇三角洲(陡坡型)體系,在巖芯和測井組合上可進一步劃分為辮狀三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合,其中三角洲平原沉積組合又可識別出辮狀分流、決口扇、分流邊部和分流間灣四種微相類型;三角洲前緣沉積組合識別出水下分流、水下分流邊部和分流口壩三種微相。
  10. Through the study above, a refined description and modeling to flow field and water surface near the groyne in river is conducted with 2 - d and 3 - d mathematical models. the results by simulation are consistent well with experiment data

    通過上述,作者採用二維和三維數學模型對水槽試驗和天然中丁壩附近流場和水面形態進行了精細地描述和模擬,計算結果和實測結果吻合良好。
  11. The result is that this gas pool has simple structure, only forms a little nose - like structure at the district of fenghuangshan ; this pool belongs to delta front sub - facies sedimentary model, the underwater distributary channel and mouth bar is the better sedimentary microfacies ; the physical property of the reservoir is poor, the type of pore of the reservoir rock mostly are intergranular pore, intergranular solution hole and little are intercrystalline micropore ; the influential factors of pore structure and physical property are lithofacies, lithologic character and diagenesis ; the off - take potentia of all the testing well are deadly shortness, the wells have the worth of industrial recovery only under the condition of going through sand fracturing, and in the early of binging into production, the oil and sheath pressure drop rapidly, the production of the well drop rapidly

    認為該氣藏構造簡單,只在鳳凰山形成了一個小型的鼻狀構造;屬於三角洲前緣亞相沉積模式,水下分流口壩是有利的沉積微相;儲層物性差,儲層巖石的孔隙類型主要有粒間孔、粒間(內)溶孔及少量晶間微孔;影響蓬萊鎮組氣藏儲層孔隙結構及儲集性的因素有巖相、巖性條件及成巖作用;所有測試井自然產能都極低,必須經加砂壓裂后才有工業開采價值,且投產初期,油套壓下降較快,氣井產量下降迅速。
  12. 1. comparing reservoir beds in details step by step, we have divided and compared the deposition time unit in guan 3 - 6 sandstone bed sets, which has been divided into 20 small beds, 30 time units : rebuilding oil sandstone body data table, building graph database, further analyzing the level and section plane configuration and combination pattern of sandstone, and deducing the maze reservoir geology model of river sandstone, are the most important basis for oil reservoir description and residual oil distribution study

    1 、採用儲層逐級細分對比方法,對館3 - 6砂層組進行了沉積時間單元的劃分對比,共劃分出20個小層、 30個時間單元;重新編制了油砂體數據表,建立了圖表數據庫,並進一步分析了單層砂體平面、剖面形態以及砂體組合模式,總結出砂體屬迷宮式儲層地質模型,這是精細油藏描述及剩餘油分佈的最重要基礎。
  13. They and the other monkeys must be followed still longer, however, before we will know whether low food intake can increase both average and maximum life spans in monkeys : rhesus monkeys typically live about 24 years and sometimes up to 40 ; squirrel monkeys typically live about 19 years but may live for 28

    但想要知限食是否會延長猴子的平均壽命及最長壽命(恆猴一般活到24歲,有時可到40歲;松鼠猴一般活到19歲,但有時可到28歲) ,我們還必須對這些恆猴及其他猴子做更久的追蹤才行。
  14. 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口砂壩及三角洲平原水上分流微相細粒長石砂巖、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。
  15. The flow dynamic axis in the distorted models is smoother than that in the undistorted model, while the flow horizontal gradient in the distortion model is smaller than that in the undistorted model

    工模型的條件下,選取不同變態模型,對環流進行了計算,了變率對彎水流的相似的影響,並給出了初步分析。
  16. Research on purification effects of reeds on the stagnant landscape watercourse in urban areas

    蘆葦對城市滯水景觀的水質凈化
  17. Study of a flood channel or flood - dominated channel of estuary is not only an important content in estuarine dynamic geomorphology and dynamic sediment, but also is a practical problem nearly related to the selection of harbor sites, regulation of sea - entering waterway, bank revetment and land reclamation, and even the comprehensive exploitation of estuaries

    口漲潮槽的不僅是口動力地貌學和口動力沉積學的重要內容和前沿課題,而且對港口選址、通海航治理、護岸圍墾以及口綜合開發利用都具有重要的和應用價值。
  18. 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

    表明,在持續沖刷前期深泓點及水位下降與床粗化同步發展,床向v型發展;沖刷後期深泓點下降、床粗化減弱,展寬增大,水位繼續下降,床向u型發展;在以淤積為主時期的調整,是通過斷面不同部位的淤積來實現的,但都是由u型較大槽向v型窄深小槽發展。
  19. But for a long time past, the study on the river by scholars chiefly focused on the state of its silt, and the changes in its course and irrigation, with little discussion about its appellation

    但是,多年以來,學者們對黃多集中於黃的泥沙情況、變遷和水利變化等問題,而對黃名稱的由來論述甚少。
  20. However, people studied the riverway mainly by field survey and landform map contrast before. because of the limits of man ' s field view and complexity of field survey route, it is a difficult bottle neck for people to make synthetical analysis on geological structure, yangtze river shoal, floodplain, terrace, and microcosmic suspended load on macroscopical scale

    而以往的河道研究大多數是通過地面調查和地形圖室內對比分析來的(少數運用航片) ,由於受人的視域范圍及調查工作路線的布置的復雜度影響,對區域宏觀尺度下的地質構造、長江沙洲、漫灘、階地及流微觀領域的懸浮物等作綜合性的便成為了瓶頸。
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