坡降線 的英文怎麼說

中文拼音 [jiàngxiàn]
坡降線 英文
grade line
  • : 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
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. ( 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以及一些有益的結論。
  2. 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,河道平均和流域形狀系數,在參數等值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。
  3. Based on the analysis of the data and information from the field observations and lab experiments, the results were as follows : ( 1 ) the results of the simulated rainfall and runoff erosion experiments in lab. under the design experiment conditions including the constant rainfall intensities of 1. 0, 2. 0, 3. 0mm / min and the rainfall durations of 30, 70 minutes and with soil moisture content 9. 5 % or 10. 0 % for dry situation, as well as with the soil moisture content 19. 0 % or 20. 0 % for wet situation, the soil erosion increased nonlinearly with the rainfall intensity, and the rainfall duration. the results of the experiments indicated that the amount of soil erosion caused by the simulated rainfall and runoff on the dry - soil slope was more than that on the wet - soil slope

    通過實地觀測及室內試驗資料分析,得到如下研究成果: 1 、室內模擬雨徑流對戧的侵蝕試驗研究結果在定雨強為1 . 0 、 2 . 0 、 3 . 0mm min ,雨歷時30 、 70分鐘,干土含水量為9 . 5 10 . 0 ,濕土含水量為19 . 0 20 . 0的條件下,侵蝕量與雨強成非性正比關系;雨強大,侵蝕量大;雨歷時長,侵蝕量也大;堤含水量大時,侵蝕量小,堤含水量小時侵蝕量大。
  4. 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、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。
  5. On the basis of analyzing factor ( soil particle composition, soil bulk density, water stable aggregate content, antecedent soil moisture, slope gradient, rain intensity, accumulation depth and soil crust, soil and water conservation tillage measures ) affecting soil infiltration rates, several relation models was obtained ; analyzed in detail different soil and water conservation tillage measures intensifying infiltration rates, while there have the same rainfall condition, the increasing infiltration rates of contour tillage and artificial digging and artificial hoeing in gully areas of loess plateau are 67 % and 41 % and 29 % ; the increasing infiltration rates in hilly areas of loess plateau is 45 % and 22 % and 14 %

    在相同的雨條件下,黃土高原溝壑區等高耕作與直相比,可提高入滲67 ,人工掏挖可提高入滲41 ,人工鋤耕可提高入滲29 ;黃土丘陵溝壑區等高耕作可提高入滲45 ,人工掏挖可提高入滲22 ,人工鋤耕可提高入滲14 。並根據黃土高原超滲產流的概念和水量平衡方程,建立了不同水土保持耕作措施強化入滲速率模型。
  6. The primarily results were displayed as follows : 1. according to research for linear slope in the different slope gradient and different rainfall intensity, soil steady infiltration rates between water - pressure and no water - pressure have a linear relation while there is the same soil properties, soil steady infiltration rates in gully areas of loess plateau is between 1. 8 times and 3. 0 times, between 2. 1 times and 3. 2 times in hilly areas of loess plateau

    主要結果如下: ( 1 )以不同度、不同雨強度下的直為例,得出黃土耕地有壓入滲速率大於無壓入滲速率,兩者呈直關系,在黃土高原溝壑區兩者穩定入滲速率之比介於1 . 8 3 . 0倍之間,黃土丘陵溝壑區介於2 . 1 3 . 2倍之間。
  7. The soil - water characteristic curve, the coefficient of saturated hydraulic conductivity and the initial state of medium ; in the paper, the influence of rain infiltration on the slope stability is discussed, which is very helpful for forecasting slope stability in raining seasons and designing slopes in deep unsaturated zone

    )介質的本身性質,如土水特性曲、飽和滲透系數、及介質的初始狀態;通過本文的研究,初步分析探討了雨入滲對邊穩定性的影響,為在雨季邊失穩的預報和具有深厚非飽和區的邊的設計提供了科學的依據,具有一定的工程意義。
  8. In this paper, first discussed are the corresponding results in highway and dam constructions and the engineering characters of rock - fills are deeply analyzed, especially the relationships between gradation, strength and maximum dry density, long - term stability of fillers including earth - fillers and rock - fillers and some conclusions of use are drawn. by in - situ tests and researches on compacting mechanism of high - filled rock embankments, effecting factors on compaction, construction technology and shock compacting technology, obtained in this paper are the compacting technology of high - filled rock embankment and the optimal parameters of rolling compaction. by deeply research on the theory and methods of quality control of high - filled embankment, settled are the questions as quality detection method and control standard of high - filled rock embankment

    本文首先總結和分析了國內外公路和壩工行業已有的相關成果,深入探討了填石料的工程性質與最大幹密度、長期穩定性等之間的關系,得到了一些有益的結論;通過現場試驗路堤的試驗和對高填石路堤壓實機理、填石路堤壓實效果影響因素、施工工藝和沖擊壓實技術等研究,解決高填石路堤壓實工藝和最優碾壓參數控制等技術問題;通過深入研究填石路堤壓實質量控制原理和方法,解決高填石路堤壓實質量檢測方法和控制標準技術難題;解決高填石路堤沉觀測技術問題,並根據沉觀測結果研究高填石路堤地基和路堤沉變化規律,得到了能預測沉變化規律的「龔帕斯」成長曲預測模型;根據工程實際,深入研究了邊穩定性的影響因素,得到了有益的結論。
  9. Through the statistic and analysis of rock core crack, sonic wave velocity test, microcosmic structure of core slice observation by electron microscope, core strength test to the sampled damaged slope rock mass, it indicates that the damage degree of smooth blasting to slope rock mass has no obvious relation with blasting scale but with the line density of explosive filling and the strength of the rock in damaged area decreases evidently

    通過受損邊巖體取樣巖芯裂隙的統計分析、聲波速度測試、巖芯切片微觀結構的電鏡觀察及巖芯的強度試驗,發現光面爆破對邊巖體的損傷程度與爆破規模無明顯關系,而與光爆孔的裝藥密度有關,損傷區巖石的強度明顯低。
  10. 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、、前臺車滑塊裝置行程計算等作了細致分析並導出了公式。
  11. By using the method of reducing shear stiffness by step, that is, reducing shear stiffness during 3d nonlinear finite element analysis, it can simulate the stability of slope when its materials intension become strength from weak. when the slope is limiting equilibrium, we can define the safety factor on this parameter

    應用逐步低抗剪強度法,即在三維非性有限元計算過程中逐步低材料的抗剪強度,可以模擬材料由強減弱的過程時邊的穩定性態,繼而由邊在極限平衡時的參數確定邊的安全系數。
  12. Nowadays, the global trend is to reduce rapidly the operation cost, time and energy that market users spend to comply with the standards set by supervisory bodies. inevitably there will be enterprises that fail or even fold. but if there are more enterprises that succeed, such a policy should be pursued by a government that is open - minded and bold in creating a true markets

    現時,全球趨向迅速減輕市場用家為應付監察而要付出的營運成本和時間精力,譬如新加正在不斷低申請上市條件,便利有需要的中小型和新企業集資發展,亦為中小型企業處處松綁,當然其中也免不了有不成功或倒閉的例子,但只要有更多成功的真實例子,便可作為有膽識開拓市場和開放的政府所應該爭取的路
  13. It also gives you square waves with fast rise and fall times up to 20 mhz and linear ramp waves up to 200 khz

    它還能提供高達20mhz具有怏速上升和下的方波,以及達200khz的
  14. At last, the curve of water and shear strength is used to set up calculation project to simulate the influence of rain infiltrate on slope stability. after analysis the result, a applied method is provided for slope reliability analysis in silty soil region

    最後應用試驗所得水-抗剪強度指標的關系曲建立計算方案來模擬雨對粉質土穩定性的影響,為粉質土地區邊可靠性分析提供一個實用的分析方法。
  15. The calculating results showed that elemental average infiltration ratio decreases with the increase of slope degrees

    計算結果表明,農田、草地生態單元土壤平均入滲速率隨度的增加呈指數曲
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