water and soil erosion 中文意思是什麼

water and soil erosion 解釋
水土流失
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  • soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
  • erosion : n. 1. 腐蝕，侵蝕（作用）。2. 【醫學】糜爛，齒質腐損。
  1. Research on the measure to water and soil erosion prevention in black earth area

    黑土地區防治水土流失的對策研究
  2. Climate and evaluation of crystallizable erosion of concrete by sulfates in water and soil

    土中硫酸鹽對混凝土結晶腐蝕的氣候與評價
  3. The humankind is troubled seriously by a series of environmental problems, such as air pollution, ozonosphere destruction, glasshouse effect, acid rain, water pollution, land pollution and soil erosion and so on. all of these will stop our economy developing

    大氣污染、臭氧層破壞、溫室效應、酸雨頻繁、水污染、土地污染、水土流失、草原退化、森林急劇減少、珍稀動植物滅絕、沙漠急劇擴大等一系列環境問題嚴重困擾著人類，各種公害接二連三地侵襲人類，再這樣下去，經濟將變成無源之水、無本之木。
  4. 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。
  5. Article 17 water and soil conservation measures must be adopted to prevent soil erosion when preparations for afforestation, tending of young growth, and cultivation of commodity trees such as oil - tea camellia and tung tree are done on hillsides with a slope of above 5 degrees

    第十七條在五度以上坡地上整地造林，撫育幼林，墾復油茶、油桐等經濟林木，必須採取水土保持措施，防止水土流失。
  6. Result showed the effectiveness of vetiver in protecting slopes from water and soil erosion by stabilizing top soil, and seemed it get better with the time elapsed

    但本地區春季移栽香根草時緩苗期過長，影響香根草在雨季到來時充分發揮作用。
  7. The major strategies for developing non - timber product forest crops during constructing the shelterbelt of the changjiang river are to transform non - timber in the serious water and soil erosion areas, to plan the development scales of non - timber forest in the areas of returning farm to forest, to adjust non - wood products distribution, to establish high productive production bases of non - wood products and to strengthen the macroscopic guide of government for developing non - timeber forest

    對水土流失嚴重的經濟林分佈區進行技術改造、做好退耕還林地上發展經濟林的規劃、適當調整經濟林生產布局、建立高效經濟林生產基地、強化政府的宏觀指導是在長防林建設過程中發展經濟林的主要對策。
  8. Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation

    確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ；在排土場新造地貌上，擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 （ 2 ）以南排土場徑流試驗場長期的定位觀測為基礎，對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究，確定了徑流和土壤水蝕的主要影響因子及其臨界值，建立了產流產沙的經驗模型。
  9. Causation of water and soil erosion in moutainous and semi - moutainous area in heilongjiang

    寒區河道護岸工程形式與施工方法的探討
  10. 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。
  11. Water and soil erosion and control measures in bin county

    賓縣水土流失及防治對策
  12. Experimental research, demonstration and extension conducted by china, as well as many years of practice in canada, have shown that the development of conservation agriculture can reduce water and soil erosion, reduce dust, resist drought, save water, increase the soil fertility and increase the efficiency

    中國開展的試驗研究示範推廣和加拿大多年的生產實踐證明，發展保護性耕作，可以減少水土流失抑制揚塵抗旱節水增肥地力節本增效，達到保護農田與生態環境的可持續發展目標。
  13. 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。
  14. Abstract : on the basis of investigation into the basic situation of suifenhe city, the reasons resulting in water and soil erosion in the city were analysed, the corresponding coutrol measures were proposed

    文摘:在調查綏芬河市基本情況的基礎上，對水土流失產生的原因進行了分析，並提出防治水土流失的措施。
  15. The carrying capacity of water resources and water environment in yellow river basin is faced with a huge challenge, such as vegetation destruction, water and soil erosion, riverbed run - up, watercourse shrinkage, water shortage, frequency breakage flow, severity pollution, water quality deterioration, trace to the source and sendiment, coast erosion and regradation

    植被破壞、水土流失，河床抬高、河道萎縮，水源匱乏、頻繁斷流，污染嚴重、水質下降，朔源淤積、海岸蝕退等表明黃河流域水資源與水環境的承載能力面臨著極大的挑戰。
  16. Water and soil erosion in highway engineering and control thinking

    公路工程水土流失與防治思路
  17. Water and soil erosion resulted from road building in yunnan

    雲南公路建設中的水土流失及其防治
  18. Countermeasures and genesis of water and soil erosion at emuer river valley

    額木爾河流域水土流失成因及其防治對策
  19. Characters and countermeasures to prevent and cure water and soil erosion in cities of mountain area

    重慶市水土流失的影響因素及防治對策
  20. Situated in northwest china, ningxia has the typical eco - environmental problems of west china such as water and soil erosion, soil salinization, land desertification, and so on, so that there is a sharp contradiction between the spatial development of urban system and the eco - environmental conservancy

    寧夏地處我國西北部，具有西部非常突出的生態環境問題：水土流失、土地沙化、土壤鹽漬化，因此城鎮體系的空間發展與生態環境保護的矛盾極為突出。
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