erosion model 中文意思是什麼

erosion model 解釋
侵蝕模型
  • erosion : n. 1. 腐蝕,侵蝕(作用)。2. 【醫學】糜爛,齒質腐損。
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. A statistical model is developed and indicates high correlation between the accretion of modem yellow river delta and the water and sediment discharge of yellow river, and the model shows the necessary water and sediment discharge per year to ensure the equilibrium of alluvion and erosion of yellow river delta

    黃河三角洲凈造陸面積與黃河入海水沙量的統計模型說明,黃河三角洲沖淤動態平衡時的黃河入海徑流量為71 . 93億m ~ 3 a ,輸沙量為1 . 853億t a 。
  2. Quantitative model to estimate soil erosion rates using caesium - 137 for cultivated soil

    示蹤農業耕作土壤侵蝕速率的定量模型
  3. Mathematical model for predicting melt - erosion in gun barrels

    身管熔化燒蝕的預測數學模型
  4. Study on the model of predicting burning erosion of gun barrels

    火炮身管燒蝕磨損預測模型的研究
  5. A stochastic model for processes of soil wind erosion

    土壤風蝕過程的一類隨機模型
  6. We have extended our research on rocky desertification, provided solid theoretical and technical basis for the control of rocky descrtification and established successful rehabilitation model with chinese characteristics such as integrated control of small drainage area, returning cultivated land to forestry and grass, production of both animal and grass, changing slope to terrance in order to prevent water loss and soil erosion, aiding the poor byway of environmental immigration and development and improving representative fragility ecology, etc

    貴州對喀斯特石漠化生態環境進行了長期、持久的研究,為石漠化治理提供了堅實的理論基礎和有力的技術支撐,形成了具有中國特色的成功治理模式:包括小流域綜合治理模式,生態農業模式,退耕還林還草、林草結合的草、畜(禽)生產模式,草地畜教業模式,坡耕地防治水土流失的坡改梯模式,環境移民與開發式扶貧模式,典型脆弱生態環境綜合治理模式等。
  7. Model of comprehensive harness of soil and water erosion in deka river small watershed

    得卡河小流域綜合治理開發模式
  8. The following is the main achievement in this paper : first, to binary image, we proof there are some relation between morphological erosion, dilation and perception model, and generalize the original binary erosive and dilative operation. as a result, we present the concept of degree morphological operation and establish the binary morphological model based perceptional structure

    針對二值圖像,證明了數學形態學腐蝕、膨脹運算與感知器模型的關系,並進一步對傳統的二值腐蝕、膨脹運算做了推廣,提出了程度化形態運算的概念,建立了基於感知器結構的二值形態運算模型; 2
  9. Mechanical model for gravitational erosion in gully area

    黃土高原溝坡重力侵蝕的理論模型
  10. Research progress on ephemeral gully erosion process and its prediction model

    淺溝侵蝕過程及預報模型研究進展
  11. With the research on design and construction specifications of subgrade slope protection, the author in this paper, based on the success experiences of subgrade slope protection all over the country, and considers the advanced technology and experience of abroad, analyzes the slope distress types and causes, and studies systemically the applicability and structure character of these slope protection model, then recommends the typical slope protection model which can used in the most area of our country ; according to the analysis and researches on the types of slope protection, this paper states selection principle of slope protection ; to get the statistical relations between slope surface erosion volumes and related factors, grasp the law of slope surface erosion on the whole, the simulate test of slope surface erosion is done in laboratory ; the drawing library software of typical slope protection is programmed by application the skill of autocad 2000 redevelopment and the tool of vba

    本文結合《路基邊坡防護設計與施工技術規范》課題的研究,在分析總結全國各地邊坡防護設計、施工方面的成功經驗的基礎上,借鑒發達國家公路路基邊坡防護的先進經驗和技術,剖析了路基邊坡的病害類型和原因,對各種類型的適用性及構造范圍進行了系統全面地研究;推薦出了適合我國大部分地區的邊坡防護型式;提出了防護類型選擇的原則;進行了室內邊坡坡面沖刷模擬試驗,得出填方路基坡面沖刷量與有關因素的統計關系,從宏觀上了解坡面沖刷的主要規律;應用autocad2000二次開發技術,運用vba開發工具,開發了邊坡典型防護型式圖庫。
  12. In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps

    在第z三章中;通過對比,分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響,認為在一定的范圍內,多i孔硅的發光峰位會隨電流密度的增大而藍移,要獲得較強的發光,需z要選擇合適的電流密度;隨著腐蝕時間的延長,多孔硅的發光峰位會i發生藍移;當f酸的濃度較小q : 1 )時,峰位隨濃度的增大表現為向i低能移動;而當f酸的濃度較大河山時,峰位隨濃度的增大則表現z為移向高能;多孔硅在空氣中自然氧化;其發光峰位發生藍移,而強i度隨放置時間的延長而降低。
  13. And study the quantified methodology of self - restraint the source, the soil erosion reducing, the soil nutrient prediction and reservoir mud alluvial prediction, and applies the model count the water conservation benefit in lingchuan county magedang experimental unit in shanxi province

    並分別探討了涵養水源、減少土壤侵蝕、減少土壤養分流失及減少水庫泥沙淤積的效益量化計算方法,以山西省陵川縣馬屹當小水電代燃料試點工程為例進行了水土保持效益的實例計算。
  14. In light of the problems of aggravated soil erosion and litho - desertification of the karst regions in northwest guangxi as a result of degradation of forest ecosystems, six " grain - for - green " models ( five models of artificial afforestation or grass planting, and one model of desertation for natural vegetation restoration ) were screened out for quick restoration of vegetations in the regions and evaluated for their respective ecological effect

    摘要針對桂西北喀斯特地區森林生態系統退化造成的水土流失加劇以及石漠化嚴重的現狀,篩選適合該地區植被快速恢復的5種人工造林(草)方式和自然拋荒恢復模式,分析評價各種模式的生態效應。
  15. In view of this problem, this paper curries out serials of hydraulic model test to fine out the mechanism of effect of roughened apron extension upon energy dissipation and erosion control

    因此,本論文針對這一問題,進行了一系列水工模型試驗以分析研究海漫加糙對消能防沖影響的機理。
  16. Assessment of vegetation coverage factor in soil erosion model based on aster image interpretation

    影像的土壤流失方程植被覆蓋因子估計
  17. Review of soil erosion model at different spatial scales

    不同空間尺度下的土壤侵蝕模型研究進展
  18. According to simulation result, new erosion model is suggested to reasonably describe the opening process of high density pegs

    利用粒子模擬程序,對高密度peos真空鞘層尺度進行了模擬定標。
  19. Investigation of land erosion model of houzhaihe catchment in puding, guizhou and its application

    貴州普定后寨河流域土壤侵蝕模型與應用研究
  20. Non - point pollution source model is the important means of simulating non - point pollution, and soil erosion model is the foundation of non - point pollution model, and the affecting factors of soil erosion is the foundation of soil erosion model

    摘要非點源污染模型是進行非點源污染模擬研究的重要手段,而土壤侵蝕模型是非點源污染模型的基礎,土壤侵蝕因子的研究是土壤侵蝕模型的重要基礎。
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