坡降 的英文怎麼說

中文拼音 [jiàng]
坡降 英文
declivity
  • : Ⅰ名詞(地面傾斜的地方) slope Ⅱ形容詞(傾斜) sloping; slanting
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明: 1太白山南土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機碳含量一般在20g kg以上,有機碳含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機碳含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. Besides, the upward motion on the aweather slope of main mountains of zhoushan archipelago can induce more precipitation and orographic highs

    另外,氣流爬越島嶼的主要山脈時的上升運動,會導致迎風水增多,並誘生中小尺度的地形高壓。
  3. Based on studying of the unequal rainfall in space - time and the asymmetry physical geography parameters in space, which can influence the process of the runoff, this paper puts forward a sort of slope conflux and watercourse conflux simulating model based on grid, and that gains flux at random time and grid in basin

    本模型針對雨時空分佈不均勻與下墊面自然地理參數空間分佈不均勻,對產匯流形成過程的影響,提出了一種基於柵格的面產匯流與河道匯流的數值模擬模型。
  4. To use the athwart gradient protection which takes the end of dam as the datum mark will reduce the digging depth of the stilling basins is reducing, and increase the energy dissipation rate

    採用以壩體末端為基準面的壩體逆防護時,消力池挖深減小,消能率提高,壩面平均流速減小,壩區防護難度低。
  5. 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,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。因此進行三峽庫區耕地土壤侵蝕機理研究,探索減輕耕地土壤流失的方法措施,具有全局性的重大意義。
  6. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區,繪制了該地區新模型的參數等值線圖,率定了不同設計頻率的改正系數,使設計者只需在地形圖上獲取集水面積,河道平均坡降和流域形狀系數,在參數等值線圖上查得橋涵所在地的相應參數,使用計算器即可迅速計算出設計流量,大大縮短了設計周期,且精度較高,設計的洪水流量一般低於傳統方法,從而可減小橋涵跨徑,節省投資。
  7. The average slope of long reaches of rivers must be constant over periods of a few years or decades.

    河道長河段的平均坡降,必須是在若干年或幾十年周期中為常數。
  8. Grounded on analysis of the interior factors ( such as valley - side slope structure, stratum structure, fissure without displacement, loess microstructure and shearing strength, etc. ) and exterior factors such as rainfall, earthquake and so on, it is proved that human ' s cutting a terrace of building houses in the loess slope is the main factor of inducement of the landfall

    對谷結構、地層結構、節理、黃土的顯微結構特徵、黃土抗剪強度等內部因素和人為斬雨、溫差等外部因素進行了定性分析。結果表明人為斬平基建窯是導致此類崩塌的主導因素。
  9. Heavy rainfall occurred in the warm area, and maximum rainfall lay in the windward slope where the width of raindrop size distribution was b roadened and sometimes it was bimodal spectrum. the shape of rain band in cold area was zonal, and the area of rain band was small

    暖區有明顯的強水中心,雨強極大值出現在山區迎風水雨滴譜譜寬較大,有時滴譜呈雙峰型分佈;冷區水區常呈帶狀分佈,雨區范圍大,雨滴譜較窄,雨滴譜為單峰型。
  10. A preliminary study of rainfall infiltration on slope using a new coupled surface and subsurface flow model

    考慮地表徑流與地下滲流耦合的斜坡降雨入滲研究
  11. Gubei slope locates in the middle structure area of bohaiwan basin which stretch toward near north and south, and the faults which tend towards east and west spread all over of the whole district. three huge faulty trap whic h control the sediment formation growth distribute in order, which result in the stratigraphy dropping in step along the slope

    孤北斜帶地處于渤海灣盆地中部近南北向伸展的構造區上,近東西走向的斷層及其斷裂帶縱橫全區,三階大斷裂沿斜規律性分佈,基本上控制了全區地層的發育,使得地層沿斜坡降式分佈。
  12. Erosion characteristic of road slope and test of soil disintegration

    公路邊坡降雨侵蝕特徵及土的崩解試驗
  13. This paper covers key problems in design of the chain conveyor with trolleys being able to travel back automatically and vertically and their spacing adjustable, including chain tension calculation, trolley passing ability and interference when traveling back automatically and vertically, rail slope, etc

    摘要對臺車間距可調及自動垂直返回鏈式輸送機設計中的關鍵計算,如牽引鏈條最大張力計算、臺車垂直自動返回的通過性及干涉性、坡降曲線、前臺車滑塊裝置行程計算等作了細致分析並導出了公式。
  14. In addition, this paper selects the water traveling wave model of the surface irrigation, and realizes the modeling of the water movement, according to the water movement characteristics of surface irrigation. furthermore, the optimization model for irrigation effects is used to produce the calculation pattern in which the water movement model is combined with optimization of technical parameters of irrigation. therefore, it is realized that the optimum unit discharge is calc ulated under the condition of definite length and slope of border check and the optimum length of border check is calculated under the condition of definite unit discharge and slope

    與此同時,在分析項目區耕作條件下灌溉水流運動特點的基礎上,選擇地面灌溉水流運動波模型,實現了地面灌溉水流運動的數值模擬,並利用灌溉效果優化模型,構造了地面灌溉水流運動模擬與灌水技術參數優化相結合的計算模式,實現了定畦長、定坡降條件下的優化單寬流量求解和定單寬流量、定坡降條件下優化畦長的求解,為變灌水條件下優化灌水技術參數的確定提供了強有力的工具。
  15. Field study of the effects of rainfall infiltration on channel slope of expansive soil

    膨脹土渠坡降雨入滲現場試驗研究
  16. The numerical models are applied to the analysis of water - air transmission, deformation and strength variation in an expansive soils slope during infiltration. the results of numerical simulation quantificational describe the influence of fissures position, fissures growth extent on expansive soils slope infiltration process, fissures healing process during infiltration as well as the variation process of soils strength and slope stability

    程序結果定量描述了不同裂隙分佈、不同裂隙發育程度對膨脹土邊坡降雨入滲過程的影響,定量描述了裂隙在雨入滲時的愈合過程,以及邊土體強度、邊穩定性隨雨入滲變化的過程。
  17. Which avoid the damage to the seepage of interlayer and inner layer of foundation, which is surpass the suggested standard, therefore the meet the seepage stability of overburden foundation can meet the requirement

    使得基礎地層內及其層間部分超出地質建議指標的滲透坡降不致對砂層造成破壞性的滲透破壞,覆蓋層地基的滲透穩定得以滿足要求。
  18. The basic uneven settlement problem were controlled well, also the anti - liquefied problem of sand layer nearly was solved in this plan. when increasing the basic gravity after the project completion, the proportional lowering of seepage damage of sand in overburden foundation are greatly improved

    基礎不均勻沉問題也能得到較好控制,防砂層液化問題也基本解決,在工程完建后增加基礎壓重的情況下,覆蓋層基礎中砂層的滲透破壞坡降也大大提高。
  19. ( 6 ) the above mentioned research achievements are applied to rainfall infiltration analysis of cushion pooi slope of xiaowan power plant, atomized rain infiltration analysis of cushion pool slope of xiluodu power plant and influence of surface infiltration to the stability of cushion pool slope of xiluodu power plant

    將上述研究成果應用於小灣電站水墊塘區岸坡降雨入滲分析、溪洛渡電站水墊塘區岸霧化雨入滲分析以及霧化雨入滲對溪洛渡電站水墊塘區岸穩定性的影響等實際工程問題的研究。
  20. Bozhou covers an area of 8, 394 square kilometers, with a flat and open terrain slightly sloping from northwest to southeast by an average slope of 1. 3 per cent

    全境國土總面積8394平方公里,地勢平坦開闊,自西北向東南微傾,坡降約1 / 7500 。
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