泥沙來源 的英文怎麼說

中文拼音 [níshālāiyuán]
泥沙來源 英文
sediment source
  • 泥 : 泥名詞1 （含水的半固體狀的土） mud; mire 2 （像泥的東西） any paste like matter; mashed vegetable...
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 來 : 來動詞1 （從別的地方到說話人所在的地方） come; arrive 2 （發生; 來到） crop up; take place; come ...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 泥沙 : [地] silt; sediment
  • 來源 : 1. （事物所從來的地方） source; origin 2. （起源; 發生） originate; stem from
  1. We can see that es3 and es4 source rocks contributes greatly to the formation of immature oil. other oil source correlation also show that the immature oil originated from source rocks of es3 and es4 in this region. 7 ) the existence of high abundance of sulfid in the mudstone indicate that that there is a relatively high salinity environment in source rocks which is favorable for algae growth

    4 、通過穩定碳同位素、甾烷和萜烷等不同的生物標志化合物參數分析探討了研究區德1井低熟油的物源，生物標志化合物圖譜指紋對比表明，德1井沙一段（ es _ 1 ）油來源於本段烴源巖，德1井沙四段（ es _ 4 ）原油主要來源於沙四段泥巖和沙三段中、下部泥巖，為自生自儲成因。
  2. Through the analyses of characteristics of gully thalweg and soil erosion in upland and gully land, sediment sources in small watershed, sediment yield relationship between upland and gully and ecological functions of vegetation corridor, it is considered that vegetation corridor combined with land preparation measures may block runoff and sediment from upland and reduce the amount of soil erosion in a watershed by 54. 5 % ~ 77. 0 %

    摘要在分析黃土高原地區的溝沿線、溝沿線上下溝間地和溝谷地土壤侵蝕特徵、小流域泥沙來源、坡溝侵蝕產沙關系的基礎上，結合廊道的生態功能和以往的研究結果，認為在溝沿線的上部建立草灌與整地工程措施相結合的植物廊道，來攔蓄阻截溝間地的來水來沙，可使流域的土壤侵蝕量減少54 . 5 % ~ 77 . 0 % 。
  3. Studying sediment sources in small watershed using 137cs tracing

    研究小流域泥沙來源
  4. Because of the unreasonable operation mode, the reservoirs sedimentation is serious, which lead to the problems of inadequate use of water resource, degressive works benefit and high risk in water works operation and flood control in this area

    但長期以來，由於運用方式不合理，水庫工程泥沙淤積嚴重，徑流資源得不到充分利用，工程效益逐年衰減，並對工程運行和地區防洪安全形成嚴重威脅。
  5. Sediment sources and effects of vegetation on erosion control in the gully - hilly loess area in north china

    黃土區小流域侵蝕泥沙來源與植被防止侵蝕作用研究
  6. Further study on key tributaries in coarse sand concentrated coming area in the middle yellow river

    黃河中游粗泥沙集中來源區重點支流深化研究
  7. The paper analyzes and summarizes the following laws of distinctive sediment yield produced in storm floods of the region based on predecessors ' study : storm is the main dynamic force of erosive sediment yield and storm, flood and sediment exist an inevitable relation ; the flood occurring time is concentrated with high peaks and huge volume, suddenly rising and suddenly falling and has decisive influence to the formation of a major flood peak in the middle yellow river ; the main reasons of concentrated coarse sediment of the river is severe erosive sediment yield, strong sediment transporting capacity and high sediment concentration ; the important influence of frequent or continued storm floods happened in he - long reach especially in coarse sediment concentrated region to the sediment transport of the yellow river and ; along with the increase of harnessing, regional flood trend is becoming smaller but the variation of sediment quantity is not obvious and the reaction of peak discharge and flood runoff of majority tributaries are not sensitive, showing that a general and normal engineering works can not effectively control regional major floods especially the sediment of an extraordinary flood

    摘要在前人研究的基礎上分析總結了該區特有的暴雨洪水產沙規律：暴雨是侵蝕產沙的主要動力，暴雨、洪水、泥沙之間存在著必然的關系；洪水發生時間集中，峰高量大，暴漲暴落，對黃河中游大洪峰的形成具有決定性影響；侵蝕產沙強烈而粗泥沙集中，輸沙能力強，洪水含沙量高，是黃河粗泥沙的集中來源地；河龍區間特別是粗泥沙集中來源區頻繁或連續的暴雨洪水對黃河輸沙有重要影響；隨著治理水平的提高，區域洪水有減小趨勢，但泥沙量變化不明顯，大部分支流的洪峰流量、洪水含水量反應不敏感，說明一般規模和水平的治理工程還不能有效控制區域大洪水特別是特大洪水的泥沙。
  8. The application study of improved bp algorithm in sediment science - using two set of experiment data mentioned above, the value of d _ ( cmax ) and gross bed - load transport rate in non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation have been forecasted by ann generator

    改進bp演算法在泥沙科學中的應用研究?將收集整理后的兩次水槽試驗實測資料作為數據來源，利用生成器生成網路對水槽平衡輸沙試驗中的最大起動粒徑和總輸沙率進行預測。
  9. In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment

    懸沙輸運模型利用切應力方法來確定對流擴散方程中的泥沙源函數，其中的臨界起動速度利用經典的泥沙起動流速公式前面增加一個局地系數得到，這個系數能反映河床底質結構及固結程度，通過系列數值試驗和實測資料的統計分析確定。
  10. Analysis on resources of building large - scale debris - retaining reservoirs in coarse sand concentrated area on the middle yellow river

    黃河中游粗泥沙集中來源區大型攔泥庫工程建設資源分析
  11. The paper puts forward the structure of debris - retaining works system, layout consideration and construction principle for the coarse sand concentrated coming area, time sequence of the works construction of " large - scale first and small - scale second ", " downstream first and upper stream second ", and " carrying out section by section " and some problems demanding prompt solution according to the present facts and ; to speed up the preparation of a large - scale debris - retaining reservoir ; to draft the standards for a large - scale debris - retaining reservoir as quick as possible and ; lay emphasis on the schedule of various projects and correct understanding and fully playing the function of key dams through the analysis on achievements and problems of debris - retaining works building and combining with the gully characteristics of coarse sand concentrated coming area

    摘要通過對粗泥沙集中來源區攔沙工程建設成就與問題的分析，結合粗泥沙集中來源區溝道特徵，提出了粗泥沙集中來源區攔沙工程體系的構成、布局思路、建設原則，提出了「先大后小」 、 「先下後上」和「分段實施」的攔沙工程建設時序，並針對當前工作實際，提出了亟待解決的幾個問題：加快大型攔泥庫前期工作步伐、盡快制定大型攔泥庫標準、重視各類工程實施進度以及正確理解和執行規范、充分發揮骨幹壩的作用等。
  12. On layout of debris - retaining works in coarse sand concentrated coming area in the middle yellow river

    試論黃河中游粗泥沙集中來源區攔沙工程體系布局
  13. Analysis and preventive strategy on main source of sediment in river and lake in jiangxi province

    江西省河湖泥沙的主要來源及防治對策
  14. 15 raw sludge, no matter from primary or secondary settling, will not drain well on sand beds and will usually have an obnoxious odour

    生的（未經處理的）泥漿，無論是來源於初次或者二次的沉澱，都不會很好的滲漏在沙床上而且會散發難聞的氣味。
  15. Study of sediment source calculation in small watershed in pisha rock area through grain size analysis method

    用粒度分析法計算砒砂巖區小流域泥沙來源的探討
  16. The development of guizhou social economy has been very slow from long ago. and this leads to serious damage of economy environment in guizhou province. now guizhou province is one of the main origins of the mud in the yangtse river and the pearl river

    貴州省位於中國兩大主要水系? ?長江與珠江的上游，是全國喀斯特地貌分佈的中心，也是全國唯一沒有平原支撐的省份，更是全國最崎嶇不平的省份，長期以來，由於社會經濟發展的滯后，貴州省的生態環境破壞十分嚴重，是長江與珠江的主要泥沙來源地之一，環境保護的任務很重。
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