降坡 的英文怎麼說

中文拼音 [jiàng]
降坡 英文
declivity
  • : 降動詞1. (投降) surrender; capitulate 2. (降伏) subdue; vanquish; tame
  • : Ⅰ名詞(地面傾斜的地方) slope Ⅱ形容詞(傾斜) sloping; slanting
  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. On mountain slopes that receive plentiful rainfall, huge douglas firs rise in towering columns

    在有充足水的斜,巨大的道格拉斯樅樹高聳入雲。
  7. The ramp shift test on one heavy truck with amt was done, and the test results showed that by dropping gear continuously or discontinuously, the proper gear could be found eventually when the vehicle was running on ramp, though the original gear might be improper

    試驗結果表明,車輛在道行駛過程中,雖然初次選擇的擋位不一定能適應該道,但通過連續擋或跳躍式擋最終總能選擇適合於該道的擋位。
  8. The results of soil trough experiment indicated that, the flow velocity and froude number would add when the rainfall splash intensity rose ; the flow depth and resistance coefficient would decrease when the rainfall splash intensity increased

    土槽試驗結果表明:土壤面薄層水流流速和弗汝德數隨雨滴打擊強度的增加而增加,水深、阻力系數隨雨滴打擊強度的增加而低。
  9. As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability

    龍須草能改善紫色土荒地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量;增加土壤含水量和貯水量,減緩和減少土壤的水分蒸發,增強土壤的抗旱能力;低土壤盛夏的地表最高溫度,減少地表溫度變化幅度。
  10. Less conditions is required on the site, a place like a basketball field is enough for taking off or landing, and suitable for slopping field, grassplot, earth, cement ect.,

    熱氣球對起落場地條件的要求和依賴也較少,只要籃球場大的場地就足以起飛和落,而且在地草地土地水泥地等都可以。
  11. 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帶同生斷層的下盤,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。
  12. Besides, the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration. the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings. the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north, the coarse lithology of fan - delta prograded from north to south in fall - hemicycles, and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south, braided stream facies prograded from sorth to north in the fall - hemicycles, but the lacustrine facies and salt lake facies developed in the middle part of the area

    詳細的沉積相研究發現,紅獅地區第三系發育有沖積扇、水下沖積扇、河流、三角洲、扇三角洲、湖泊和湖底扇7種主要沉積相類型,並對作為區內主要勘探目的層系的下乾柴溝組和上乾柴溝組進行了以超層序為單位的沉積相平面編圖,以較高的時間解析度揭示了區內沉積相帶的平面展布及其在不同構造背景中的分佈規律,比如在北部的凹陷陡背景下,上升半旋迴低水位期通常發育有水下扇、湖底扇等陡岸近源特徵的沉積體系,下半旋迴高水位期,扇三角洲相粗碎屑巖由北向南進積;在南部的凹陷緩背景下,上升半旋迴主要發育辮狀河流相,下半旋迴辮狀河三角洲相由南向北進積;而中部紅柳泉一獅子溝一帶則為湖泊相沉積和鹽類沉積。
  13. ( 4 ) from computing the safety coefficient of homogeneous and heterosphere slopes, we can get useful conclusion that the safety coefficient change in the course of precipitation duration

    ( 4 )通過計算相同雨條件對均質邊和成層土邊穩定的影響,得出安全系數隨雨持時變化的曲線以及一些有益的結論。
  14. Like hillocks of sand, the arabs say, soft and downward - slipping with a long slope

    如阿膠伯人說的,那象是些沙丘,柔和地成長地下
  15. When other conditions are the same, to the interior angle of friction, mean value of glue and gather play a bigger role to stability and dependability of slope

    均值大小對土穩定性和可靠性起著更大的作用。在南方,雨是公路邊穩定性的主要影響因素之一。
  16. On the formation mechanism, the rills were mainly formed by the concentrated action of the runoff on dyke slope, while the formation of socket mainly depended on surface runoff, subsurface flow and the existing defects within the dykes such as crack, mouse hole, fox and brocks dens

    在成因上,前者主要是雨形成超滲地面徑流的集中對戧的侵蝕作用而形成;後者主要與面徑流、壤中流,以及土堤的薄弱點(如裂縫、鼠洞、狐1一灌洞等)有關。
  17. We have concluded that the structural movement of the area can be divided into three stages : the stretching stage from simian to early ordovician, the extrusion and rising stage from middle and late ordovician to jurassic and stable depressed stage of foreland basin slope from cretaceous to neozoic

    經研究認為研究區的構造運動,主要分為震旦紀到早奧陶世的拉張階段、中晚奧陶世到侏羅紀的擠壓隆升剝蝕階段以及白堊紀到新生代的前陸盆地斜穩定沉階段。
  18. In the analysis of ecological relationship between vegetation and environment, we got 11 community types by combining twinspan with dca. the first axis of oca indicated the elevation level and heat gradient while the second axis indicated slope factor. the analysis shows that the resource of tourism in pangquan gully is abundant and the construction is rational

    第一軸基本上反映了各植物群落所在環境的海拔和熱量梯度,從左到右,海拔在體呈升高趨勢,熱量呈下趨勢;第二軸基本反映了各植物群落所在的度梯度,從下到上呈良好的發展趨勢,從群落類型來看,各群落類型在排序圖上有規律地分佈,得出龐泉溝植被結構合理,分佈符合自然進化規律,龐泉溝生態旅遊資源未受到破壞,人為因素不明顯。
  19. Their biggest concerns are preventing seepage under or through the embankment, stabilizing the slopes, and overbuilding to counteract settling, which can be up to 5 percent for soils compacted during construction and 15 percent for uncompacted material

    工程師最注意的幾點包括防止堤防底部或內部出現滲流、穩定邊,以及超量建造以防止沉,也就是在建造時增加5 %壓實土壤和15 %未壓實物料。
  20. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況,考慮車路耦合和橋面沉降坡差的影響,對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了動力響應分析,得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態振動值和路面對車的最大作用力,分析了車輛的行進方向、速度和載重,橋面沉降坡差和搭板長度等車和路各參數對計算結果的影響,並編制了相應的計算程序。
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