自然沖刷 的英文怎麼說
中文拼音 [zìránchōngshuā]
自然沖刷
英文
geologic erosion-
Thus, the piping - induced failure of two - layer foundation was verified as that ： mass flow firstly appears in the upper weakly permeable layer, and then underground erosion and scouring gradually occur from downstream to upstream between the serviously and weakly permeable layers
從而驗證了二元結構堤基的滲透破壞模式為：首先在上層弱透水層中發生流土，然後在強、弱透水層之間發生自下游向上游的逐步潛蝕沖刷。This paper presents a method of probability analysis in order to develop the general design and analysis methods for problems of the embankment stability under random storm wave actions as well as with random properties of the embankment medium. the major purpose of this study is carry out modellings of ( 1 ) probability analysis for the problem of seepage stability of levee projects ; ( 2 ) probability analysis for the problem of erosion due to washout sediments from the embankment ; ( 3 ) numerical analysis for coastal evolution due to beach erosion under energy actions of storm wave
本文根據598084號年浙江省自然科學基金項目和g59901號國家教育部回國留學人員科研啟動基金項目的部分研究目標和研究內容的要求應用概率分析方法研究了在隨機風浪荷載作用下和築堤材料隨機性影響下防護堤壩抗滲流、抗沖刷穩定性的分析計算模型；用數值分析方法研究了在浪潮能量作用下岸灘侵蝕造成海岸演變問題的數學分析模型。Also, the rain fog will be generated from the rear part of the vehicle, which can affect the driver ' s vision, thus can cause traffic accident very easily and impair the driving safety
與此同時，高速公路邊坡因常年暴露于自然環境中，承受雨水的沖刷，使邊坡發生各種變形、病害甚至破壞。Afforestation has been carried out in hong kong as early as 1870s. the major purposes for this has shifted from amenity reasons, erosion control, production of firewood, improving water supplies and to the current interest in biodiversity enhancement and ecological restoration
植林工作始於一八七o年，其目的由早期在於美化環境控制沖刷、生產柴薪、改善集水系統，及至近年藉以增強生物多樣性及回復生態自然原貌。Scrub and rinse shellfish in clean water. immerse them in clean water for sometime to allow self - purification
貝類海產應在清水中洗刷和沖洗，再在清水中浸泡一段時間，待其自然凈化。Scrub and rinse shellfish in clean water and immerse them in clean water for sometime to allow self - purification
貝類海產應在清水中洗刷和沖洗，再在清水中浸泡一段時間，待其自然凈化。Scrub and rinse shellfish in clean water. immerse them in clean water for sometime to allow self - purification. remove the viscera if appropriate
貝類海產應在清水中洗刷和沖洗，再在清水中浸泡一段時間，待其自然凈化。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。On the basis of on - the - spot investigation and information, this article puts forward the stratum separation scheme and field criterion for projects in gansu loess areas ; presents the geological structure model of the natural slope in this area for the first time ; counts and analyses the parameter of the loess ; analyses the stability of loess cut with the method of ultimate balance and finite element ; recommends different transect forms for the cut subgrade in gansu ' s loess areas ; evaluates these forms with grey system theory concerning stability, economy and anti - scour capability ; finally, puts forward the design method and procedures of reasonable heavy cuts transect
本文通過大量的現場調查和資料收集，提出了甘肅省黃土工程地層劃分方案和野外判定標準；首次提出了甘肅省黃土自然邊坡的不同地質結構模型；統計和分析了甘肅省黃土的土性參數；運用極限平衡法和有限元法對黃土路塹高邊坡穩定性進行了分析；推薦了甘肅省不同黃土地區路塹高邊坡的斷面形式，並結合穩定性、經濟性和抗沖刷性能，應用灰色系統理論對其進行評價；最後，提出了黃土路塹高邊坡合理斷面設計方法和設計步驟。分享友人