流沙層 的英文怎麼說

中文拼音 [liúshācéng]
流沙層 英文
drift sand formation
  • 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...
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 流沙 : heaving sand; drift sand; blown sand; quicksand; running sand; shifting sand流沙固化 petrificatio...
  1. Senior leaders from exxon mobile and saudi aramco and several other companies communicated with zhuhai delegation

    埃克森美孚、沙特國家石油等企業的高層就此專門與珠海代表團進行了交流。
  2. Towards the research on two flood water of yuhe river in datong city during 2004, by measuring and comparing their discharge, sediment concentration 、 nutrient include organic, phosphorus, potassium, azote, the result shows that the nutrient content of the sediment is greatly larger than that of supernatant fluid

    摘要以2004年大同市御河乾渠兩場洪水為研究對象，對其流量、含沙量、養分（包括有機質，氮，磷，鉀）做了測定和比較，研究結果表明：洪水中下層泥沙中的養分含量遠大於上清液中的養分含量；洪水中整體養分含量隨著含沙量的增大而增大，並且養分含量和含沙量呈近似線性關系。
  3. On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed

    遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術，運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法，分析了斷裂構造、河流地貌（階地、漫灘、沙洲）及懸浮物等在tm遙感圖象上的影像特徵，解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈，並新解譯出了9條近東西向的斷裂。
  4. Soil is the base of agriculture production, the key measure to prevent water and soil loss is to conserve soil, but most soil nutrient is lost with the sediment loss, and serious water and soil loss make the soil thickness degrease, the soil nutrient be deficient and lean, the land quality degrade and the yield of plant decrease, all this results is going to threaten the people ' s transplanting and the agriculture sustainable development, and restrict the economy development of three gorges regions

    同時，土壤是農業生產的根本，治理水土流失的關鍵是要保住土壤，而土壤養分絕大部分是隨著泥沙流失的，嚴重的水土流失造成土層淺簿、養分貧瘠，土地質量退化，產量下降，對三峽庫區移民工作和農業可持續發展造成嚴重威脅，制約三峽庫區經濟發展。因此進行三峽庫區坡耕地土壤侵蝕機理研究，探索減輕坡耕地土壤流失的方法措施，具有全局性的重大意義。
  5. Study of high - pressure rotary jet grouting in inclined shaft construction crossing through drift sand ground

    高壓旋噴在斜井井筒過流沙層施工中的技術研究
  6. The function of desert microbiotic crusts in erdos was analyzed, the results ahowed that : microbiotic crusts consist of fine sand and thick powder sand, but differs with the wind - drift sand, wind - drift sand are coarse sand and fine sand ; microbiotic crusts influence the rainfall distribution again and effect on the evaporation of infiltration moisture ; microbiotic crusts has the power of water conservation and the function of enrichment of nutrients

    摘要本文對鄂爾多斯沙漠生物結皮作用進行了初步研究，結果表明結皮層的機械組成以細沙和粗粉沙為主，而流沙以粗沙和細沙為主；生物結皮層影響降水的再分配作用，並影響入滲水的蒸發規律；生物結皮層縣有較好的保水特性和養分富集作用。
  7. The result shows that : the sand - dust storm occured in favorable climate background that is drought and rainless, the tilted trough and mongolia cyclone are the important weather systems that caused the severe sand - dust storm, tilted trough and strong frontal zone caused the mongolia cyclone developed and the clod front strengthened at surface, high jet and ferrel circulation are the main reason that momentum spreaded downward from higher level and frontal zone strengthened on lower level

    結果表明：沙塵暴是在乾旱少雨的有利的氣候背景下產生的。斜壓槽和蒙古氣旋是觸發這次強沙塵暴天氣過程的重要的天氣系統，高空斜壓槽和強鋒區促使了地面蒙古氣旋的發展和冷鋒的加強，誘發沙塵暴天氣。高空急流及其下方的ferrel環流起到了高層動量下傳和加強低層鋒區的重要作用。
  8. The study area is composed of sandstone & conglomerate reservoir of alluvial fan & fan delta, which belong to sha3 lower member and sha4 upper member of lower tertiary of yong " an town oilfield in dongying depression. the target stataum develops in the hanging wall of the synsedimentary fault in the scarp zone of dongying depression. the frequently intense movements result in the variation of sandstone and conglomerate reservoir and the evolution of the time and space of sha3 lower member and sha4 upper member in yong " an town oilfield

    研究區是東營凹陷永安鎮油田沙三下段、沙四上段的沖積扇和扇三角洲砂礫巖體，目的層發育在東營凹陷陡坡帶同生斷層的下降盤，因斷層多期強烈活動，導致永安鎮油田沙三下段、沙四上段的砂礫巖體成因類型多，時空演化變化大，在扇根一帶小層對比難度大，給油田開發帶來很大的難題，在這種背景下進行流動單元研究難度更大。
  9. They do, however, grade into sorted and stratified sediments where higher water content has produced conditions transitional to turbid stream flow.

    然而，在泥沙含量較大逐漸形成渾蝕流的地方它們也可變為分選和有層理的沉積物。
  10. The humankind is troubled seriously by a series of environmental problems, such as air pollution, ozonosphere destruction, glasshouse effect, acid rain, water pollution, land pollution and soil erosion and so on. all of these will stop our economy developing

    大氣污染、臭氧層破壞、溫室效應、酸雨頻繁、水污染、土地污染、水土流失、草原退化、森林急劇減少、珍稀動植物滅絕、沙漠急劇擴大等一系列環境問題嚴重困擾著人類，各種公害接二連三地侵襲人類，再這樣下去，經濟將變成無源之水、無本之木。
  11. This research will try to resolve the distribution and controlling factors of gas layers by the study of division of substrata in bawu gas field. the main reservoir of bawu gas field are the sand layers in the formation of k1sh, k1y, k1d, k2q, sediment delta plane, delta frontier, plait delta developing distributary riverway sand, bayou sand dam, far sand dam and river sand of plait

    八屋氣田主要儲層為早白堊世的沙河子組（ k _ 1sh ） 、營城組（ k _ 1y ） 、登婁庫組（ k _ 1d ）及晚白堊世的泉頭組（ k _ 2q ） ，為三角洲平原、三角洲前緣及辮狀河三角洲沉積體系，發育分流河道砂、河口砂壩、遠砂壩、辮狀河道砂等，砂層在平面上連通性差。
  12. Where air bubbling up through fine powder creates channels that resemble drainage networks. this process of deepening and enlarging rivulets mimics the formation of streambeds on earth and mars

    在網狀河流景觀中，流體動力學發揮了作用：空氣穿透細沙層向上冒出，造成類似河川的網狀流域。
  13. Basic equation for variation of bed material composition in active layer of alluvial river

    沖積河流混合活動層內床沙級配變化的動力學基本方程
  14. In light of current using situation and drawing on the experience of many scholars researched methods and viewpoints, this thesis made com land, fallow land, orchard, grass land as experimental field in black soil region jlau, which carried out experiment by applying different amounts of n and p fertilization in corn field. by means of collecting the samples of rainfall runoff, erosion silt and surface layer soil before and after rainfall for one year nature precipitation in field, we study the effect of surface runoff on n and p nutrient and fertility degeneration. the results showed : ( l ) there are lots of factors which affect soil erosion and losses of n and p, in which rainfall and rainfall intensity were more important, while rainfall intensity is the most important meteorological phenomena factor

    針對當前黑土利用現狀，本文借鑒眾多學者的研究方法和觀點，在吉林農大黑土區選擇利用方式不同的玉米地、休閑地、果園、草地，在玉米區進行了不同數量的施肥，通過野外試驗，採集一年自然降雨產流及泥沙樣品，同時採集降雨前後的耕層土壤樣品，研究了黑土區地表徑流對氮磷養分特徵及肥力退化的影響，結果表明：土壤侵蝕和氮磷的流失受諸多因素的影響，降雨量、降雨強度是重要因子，而降雨強度是影響農田地表徑流養分流失的最重要的氣象因子，特別是暴雨，暴雨徑流中氮磷濃度較平時高得多；隨作物生長，覆蓋度逐漸增加以及不同利用方式下表現的覆蓋度差異，氮磷流失都表現為顯著的差異。
  15. Numerical simulation of sediment in oscillatory flow over plane bed

    振蕩流底層懸沙運動的數值研究
  16. After a comprehensive review on the study of sediment density current in the recent several decades, a set of differential equations for 2 - d density current under double - layer computational mode is established. by simplifying th. set of equations, a 2 - d numerical simulation of sediment density current and sediment outflow has been made in the liujiaxia reservoir in the yellow river basin, and the result is reasonable

    本論文在對異重流運動近幾十年來的研究成果進行較系統、全面論述的基礎上，針對目前研究較為前沿的異重流運動數值模擬問題，提出了一套二維異重流雙層計算模式下的基本方程，並在這套方程簡化的基礎上，對黃河流域劉家峽水庫中的異重流運動和排沙進行了二維數值模擬，結果令人較為滿意。
  17. Excavated the secondary sand - piled - layer, the layer contains areas of white ash fragment piles, should be formed from the flow of natural water

    挖掘二次堆積沙土層，沙層中常可見呈現區塊集中的白灰屑堆積，應為自然流水沖刷堆積所致。
  18. A bed of loose sand mixed with water forming a soft, shifting mass that yields easily to pressure and tends to engulf any object resting on its surface

    流沙一種由鬆散的沙子和水混合成的沙層，形成一堆松軟、移動的物質，在壓力下很容易塌陷，並可吞沒置留在沙面上的任何物質
  19. In caldera, thrusting jets of air rise through fine sand, mimicking the development and collapse of a volcanic magma chamber

    的上升氣流穿透細沙層噴射而出，模擬巖漿室在火山內的形成與塌陷。
  20. The thesis " main studies and achievements are as follows : 1. under the assumption of double - layer computational mode, the governing equations for the horizontal 2 - d stratified density current is derived by integrating the 3 - d fundamental equations along the flow depth. 2

    在異重流雙層計算模式下，從三維水沙基本方程出發，利用數學工具沿垂線積分，推導得出了平面二維異重流上、下兩層水體的水沙運動基本方程。
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