impact erosion 中文意思是什麼

impact erosion 解釋
沖擊腐蝕
  • impact : n 碰撞;沖擊(力);(火箭的)降落[著陸];【軍事】彈著;影響,效力。 The point of impact彈著點。 ...
  • erosion : n. 1. 腐蝕,侵蝕(作用)。2. 【醫學】糜爛,齒質腐損。
  1. Soil erosion impact on soil fertility of uncultivated soil in the south jiangsu province

    侵蝕對蘇南丘陵區非耕作土土壤質量的影響
  2. On the base of summarizing and evaluating chinese soil erosion models, this paper brings forward future developing directions that the soil erosion models should pay attention to : ( 1 ) paying attention to the theory researches of soil erosion models, consummating from erosion factors basis erosion prediction to erosion processes quantity and theory researches, studying each erosion factor and its interaction impact on erosion processes, and sediment dispersion, transportation and deposition action on complex slopeland, as well as different catchments scales ; ( 2 ) reinforcing the study of gravitation erosion and cave erosion mechanism, and big and middle scale catchments erosion models ; and ( 3 ) making the best of advanced rs and gis technology, providing plentiful datum for erosion models researches, making and for soil erosion models checkout

    在總結和評價中國土壤侵蝕模型的基礎上,提出了今後土壤侵蝕模型應該注重的發展方向: ( 1 )注重土壤侵蝕模型的理論研究,將從以侵蝕因子為基礎的侵蝕預報向侵蝕過程的量化研究和理論完善,研究各侵蝕因子及其交互作用對侵蝕過程的影響,泥沙在復雜坡面以及不同流域尺度間的分散、輸移和沉積作用; ( 2 )加強對重力侵蝕、洞穴侵蝕機制的研究,加強對大中流域侵蝕模型的研究; ( 3 )充分利用先進的rs 、 gis技術,為侵蝕模型的研究提供大量的數據源,以利於對土壤侵蝕模型的檢驗。
  3. High chromium cast iron has higher erosion resistance at lower impact angle, while the erosion resistance is worse for the lower toughness at normal impact

    高鉻鑄鐵在低角沖蝕時有較高的耐沖蝕性,但高角沖蝕時由於脆性大,易崩裂。
  4. The results show that ( 1 ) the system of contour dams, contours and fallow had positive impact on water and soil losses than grass stripes and contour ditch. at the same time it was showed that contour dams, contours, fallow significantly reduced soil erosion and water loss, grass stripe and contour ditch had recorded reduction in water and soil losses although to a much less extent than above 3 farming systems. most of sediment was bed load in all the systems except in contour dams and contour fanning

    研究的主要結論如下: 1 、運用坡面徑流小區法系統地研究了當地農業生產活動中不同農作措施下紅壤坡耕地水土流失特徵、土壤養分流失規律及形態特徵,結果表明: ( 1 )同順坡農作措施相比:其它農作措施均具有明顯減輕水土流失的作用,等高土埂,等高農作、休閑處理控制水土流失的效果優於水平草帶和水平溝處理。
  5. The geological factors are important besides them, which are related to the loess landslide and evolution of gullies, specially for bedrock folds, bedrock joints and loess joints. in field, the data of the bedrock elevation in the three sheets combined with the research from south to north lively were got by gps12xlc pocket locator, the type and its evolution of bedrock, loess landslides and distribution of hydrographical net were explored too. at office, the synthetic analysis and contrast were used including the simulating analysis about the data by mapinfo 6. 5, software of gis, discussion and communication with experts, in order to demonstrate and reveal the rules between the loess landforms and its pale bedrock landforms and the impact of structure on erosion interiorly in shaan bei

    在野外,以代表調查區和路線調查相結合的方法,利用gps12xc型手提式定位儀採集基底高程數據,實地觀察基底地層產態變化規律和特徵,觀察黃土地貌、黃土崩塌、水系展布及土壤侵蝕等與地質構造之間的關系;在室內主要進行綜合分析與對比,利用gis系統的mapinfo6 . 5軟體對採集數據模擬分析,並將認識成果與其他專家學者進行交流和探討,從而論證和揭示陜北黃土地貌南北縱向分異與基底古樣式關系特徵及水土流失與構造因素之間的內在規律。
  6. These rock formations were formed about 100 million years ago, and are a clear demonstration of the impact of water erosion

    東平洲地質形成於晚白堊紀,距今已有近一億年的歷史,在岸邊可見被海水侵蝕的巖石節理。
  7. Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study

    本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象,通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗,研究了土壤侵蝕對土壤碳和養分的影響途徑和表現,侵蝕作用影響下土壤碳和養分在微地形空間的分佈規律;同時,在地理信息系統的支持下,建立了侵蝕條件下的土壤碳和養分變化模型,模擬了侵蝕對土壤碳和養分影響的空間過程,預測了侵蝕影響下土壤碳和養分的年變化及多年變化,並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。
  8. The study results showed that it was suitable for assessing the impact of highway route selection on the ecological environment using quantitative analysis indexes of vegetation coverage, biomass, flood detention ability, soil character change, cropland occupation and water and soil erosion, and it was suitable for route selection using the comprehensive ecological impact assessment method

    結果表明,用植被覆蓋率、生物量、滯洪能力、土壤變化、農田佔用、水土流失量等6項指標來定量分析生態影響程度效果較好,採用綜合生態影響評價指數法確定線路的舍取是可行的。
  9. Effect of impact angle on erosion of the steels used for hydraulic turbines under impacting of sand particles from the yellow river

    黃河砂沖擊下水輪機用鋼沖蝕攻角效應
  10. The dominant parameters on the anti - erosion proportion of materials are rigidity and intensity at lower impact angle, while the main parameter is toughness at normal impact. the ni - based alloy coating and ni - based alloy / sic coating have been obtained by laser cladding

    決定材料抗低角沖蝕磨損性能的主要因素是硬度和強度,抗高角度沖蝕能力取決于材料的韌性,在實際應用中需要綜合考慮這幾個因素。
  11. Bare soil is protected from the impact of rainfall which can cause surface soil crusting, compaction, and erosion

    塑料薄膜覆蓋使裸土免受降雨引起的表土結殼、壓實和侵蝕。
  12. This paper analyzes the impact of the variation of coal proportion on flying - ash erosion in heating surface at the rear of coal - fired boiler

    研究了配煤比例變化對燃煤鍋爐尾部受熱面飛灰磨損的影響。
  13. The design and construction of the reinforced concrete sheet - pile and the impact from the constuction on the ancient sea embankment and the historic buildings therein are described in detail herein combined with the successful case of the application of reinforced concrete sheet - pile to the erosion control for the ancient sea embankment of qiantang river

    摘要結合鋼筋混凝土板樁在錢塘江明清海塘防沖工程中成功應用的實例,詳細介紹了鋼筋混凝土板樁的設計、施工及施工對海塘與海塘上古建築的影響。
  14. In order to prolong the natural life of fracturing pump valve, this article do much basic research work on fracturing pump value. firstly, kinetic characteristics of fracturing pump valve are stated particularly and analysed. through stimulated experiment based on practical working conditions, the wearing disciplinarian and forms of impact particle wear about fracturing pump valve are researched by comparing it with pure impact wear and abrasive wear. furthermore, the wear mechanism of impact particle wear and particle erosion are analysed. in the end, by using the fenite element analyzing tool ansys, the distributing law of stress and strain of fracturing pump valve at the state of closing and during the process of impact are analysed carefully

    詳細闡述和分析了它的運動特性;根據其實際工況,通過模擬試驗,研究了壓裂泵閥沖擊磨料磨損的磨損規律和磨損形式,並且將其與純沖擊磨損、滑動磨料磨損進行了對比;分析了壓裂泵閥的沖擊磨料磨損、沖蝕磨損等磨損機理;藉助ansys有限元分析工具,對泵閥關閉狀態下和沖擊過程中的應力應變分佈規律進行了詳細分析。
  15. A measurable rise in sea level will have a severe economic impact on low - lying coastal areas and islands, for examples, increasing the beach erosion rates along coastlines, rising sea level displacing fresh groundwater for a substantial distance inland

    所以,海平面的顯著上升對沿岸低洼地區及海島會造成嚴重的經濟損害,例如:加速沿岸沙灘被海水的沖蝕地下淡水被上升的海水推向更遠的內陸地方。
  16. Synthetic maro - fiber is a new type reinforcement material that appeared in the last of 20th century. when compared to steel fiber and synthetic micro - fiber, the synthetic macro - fiber offers a large number of advantages : ( 1 ) light ; ( 2 ) evenly distributed ; ( 3 ) erosion resistance ; ( 4 ) obviously improves the impact resistance, flexural toughness, fatigue and seismic properties ; ( 5 ) resistance for early crack ; ( 6 ) prominent advantage in shotcrete

    粗合成纖維興起於20世紀末,它是一種新型的增強增韌材料,相對于鋼纖維、細合成纖維,它具有明顯的競爭優勢: ( 1 )質輕; ( 2 )無腐蝕; ( 3 )易於均勻分散; ( 4 )顯著提高混凝土的韌性、抗沖擊、抗疲勞、抗震防爆性能; ( 5 )可以提高塑性混凝土的早期抗裂性能; ( 6 )在噴射混凝土中具有顯著的優勢。
  17. According to the calculation results of general erosion of riverbed of bridge, this paper analyzes the impact of the main parameters in the formula to general erosion, gives the scope of application and defects of that formula, and proposes a suggestion on determination of general erosion depth

    摘要根據橋位河床的一般沖刷計算成果,分析計算公式中主要參數對一般沖刷的影響,指出公式的適用范圍和不足,提出確定一般沖刷深度的建議。
  18. I decided to add some dirt to indentations, more variety to shapes of craters, much " impact erosion " that is caused by small colliding objects and some lava rock alike features that are placed on the bottoms of fresh large craters

    我決定要在低洼的地方加點兒泥土,以及更多樣化的火山口外觀,嗯. .還有很多由小型沖撞物造成的」撞擊侵蝕」以及在年輕的大火山坑底部加上類似於熔巖之類的特徵。
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