flood erosion 中文意思是什麼

flood erosion 解釋
洪水侵蝕
  • flood : n 1 洪水，水災。2 溢流，漲水，潮水最高點，泛濫，洶涌。3 〈詩〉河，湖，海。4 充溢，豐富；大量，一...
  • erosion : n. 1. 腐蝕，侵蝕（作用）。2. 【醫學】糜爛，齒質腐損。
  1. Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward

    文摘: 1998年長江大洪水后開始實施的「平垸行洪，退田還湖」的土地利用調整方案，從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用，長江中游地區應積極推進農業現代化，提高農業勞動生產率，轉移，減少分蓄洪區的人口，移民建鎮，對區內的土地要促進其規模經營，由優秀的有文化的農民經營，平時只有少量的直接從事農業生產的經營管理人員，農忙時則大量地使用季節性合同工或實現機械化，大洪水時退田還湖，減輕長江幹流大洪水的壓力，減少分洪與特大洪災時的損失，這樣還可促進避洪、冬季農業等的發展，也有利於長江中上游地區陡坡耕地的退耕還林，還可在糧食充足時進行休耕，在旱災、糧食緊張時擴大糧食生產?
  2. Many geological and hydrological factors of the river section, where the yellow river water intake engineering is laid out, such as the capacity of the reservoirs along the river section upstream and downstream, the rate of the flow discharge, the erosion and silt of the watercourse, the form of the riverbed and the water current, ice tuck, the convergence of the upstream branches of the river section, flood crest, sand crest size, the capacity for flood discharge of the watercourse, the effect of flood control structure around and the impacts on surrounding environment and the third person " s legitimate rights and interests, should be considered

    黃河取水工程的布設要考慮工程所處河段的地質水文等諸多因素。如該河段上下游水庫的庫容，泄水流量、河道沖刷、淤積、河床形態、水流形態、冰塞、河段上游的支流匯入、洪峰、沙峰的大小、河道行洪能力的大小、周圍防洪工程的影響及對周圍環境和第三人合法權益的影響等等。
  3. Ii ) runoff erosivity reflects relationship of water erosion forces and sediment yield more directly than rainfall erosivity. it intergrated ability of runoff volume and flood peak on detaching soil and transporting sediment and is more reasonable than single runoff depth or flood peak volume

    （ 2 ）以徑流侵蝕力代替降雨侵蝕力來反映水蝕營力與產沙量的關系更加直接，而且綜合了徑流量與洪峰在剝蝕土壤和搬運泥沙能力，比單獨運用徑流深或洪峰流量更加合理。
  4. The stress condition ; overall stability ; effect of filling gravels into the hole of the block of the precast concrete interlocking blocks in the water flow during the flood period as well as the resistance parameters of the blocks are studied through experimental simulation ; in which a comprehensive analysis is made on the mechanical stability and the anti - erosion properties of the blocks, and then the requirement and the safety degree of the gravel filling are given

    摘要通過試驗模擬研究了預制混凝土連鎖塊在洪水期水流中的受力狀況、整體穩定性、孔內填充碎石的作用及連鎖塊阻力參數，綜合分析了連鎖塊結構的力學穩定性和抗沖性，給出了碎石填充的要求及安全度。
  5. In terms of geological engineering this paper has preliminarily analyzed all kinds of damages causing the north district rock caves to destroy seriously, including wind erosion, rain erosion, flood erodes, crack development, rock body collapsing and environmental desertification

    本文從地質工程的角度，初步分析了造成北區石窟嚴重破壞的各類病害，包括風蝕、雨蝕、洪水沖刷、裂隙發育、巖體坍塌及環境沙漠化等。
  6. Catching jade ore malachite fragment after weathering and erosion bring the flood into the river originally at the mountain, is it pour but lay to carry by river and then, reach low mountain and mountain forebay lead because the velocity of flow is sharply reduced, the malachite is piled up in river shoal and riverbed

    夏季冰雪融化河水瀑漲，流水洶涌澎湃。山上的原生玉礦經風化剝蝕后的玉石碎塊由洪水帶入河流中，再由河水攜帶奔流而下，到了低山及山前地帶因流速驟減，玉石就堆積在河灘和河床中。
  7. 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。
  8. Civil engineering - drainage and erosion protection - territorial land drainage and flood control strategy study phase iii

    本港地面排水系統及防洪策略研究第iii期
  9. Analysis of erosion efficiency and adjustment of flood in the lower yellow river during the storage periods

    水庫攔沙期黃河下游洪水沖刷效率調整分析
  10. ( 2 ) validate whether the crest elevation can meet the require of energy dissipation and erosion prevention during the beginning period of flood discharge. ( 3 ) calculate the altitude of downriver cofferdam, and make it meet the require of energy dissipation and erosion prevention. ( 4 ) calculate some average velocity of flow through some sections, including contracted section in stilling basins behind upriver cofferdam, if the hydraulic jump happen in lower reaches of the river. the program will calculate the average velocity of flow of contracted section and the length of the apron

    主要設計內容包括：計算上游圍堰后消力池的尺寸；驗證泄洪初期壩面高程是否能夠滿足消能防沖需要；計算下游圍堰堰頂高程，使其滿足泄洪期圍堰和壩體過流的消能防沖和工程進度的需要；計算部分斷面平均流速，包括：上游圍堰后消力池中收縮斷面的斷面平均流速；壩首和壩末的斷面平均流速；當下遊河道發生水躍時，計算下遊河道的收縮斷面平均流速及需要鋪設護坦的長度。
  11. After pointing out the econologic problems of yangtz basin, such as water and eil erosion, sediment disposal, flood damage, and degradation of water qulity, this thesis analyses the relation between sichuan hydroelectric power exploitation and construction of econologic screen in upper region of yangtz

    本文就四川水電開發與長江上游生態屏障建設作了分析，指出目前長江流域存在水土流失、泥沙淤積、洪澇災害、水環境質量日趨惡化等問題及長江上游生態屏障建設的重點。
  12. Supported by the state natural science foundation project " formation mechanism and evolution processes of flood channels in the changjiang estuary ", this paper study systematically the formation and evolution, erosion and deposition, and features of dynamic sediment of flood channels in the changjiang estuary, and put forward a development model of the different flood channels

    本文依託國家自然科學基金課題《長江河口漲潮槽形成的機理與演化過程的定量研究》 ，以長江河口的漲潮槽為研究對象，採用沉積和地貌，定性和定量相結合的方法，運用gis技術對河口漲潮槽的形成機理、演化模式、動力沉積特徵以及沖淤變化等問題進行了系統的研究。
  13. The soil erosion in typicalregions of loess plat eau are studied in this paper : ( 1 ) the main factors affecting soilerosi on are pre cipitation, topography and land use ; ( 2 ) the main erosion types arte watererosio n and gravity erosion ; ( 3 ) the soil erosion is mainly produced in flood season ; ( 4 ) the soil erosion vertically distributes regularly ; ( 5 ) soil erosion is heavy in suide, light relatively in tianshui, typicial in ansai, and exceptional in xife ng among fourstudied typical regions of loess plateau

    對二龍山水庫上游流域水土流失狀況及自然植被情況等進行了調研，以喚起人們對土壤侵蝕狀況有一個明確的認識，根據生物的適宜性進行調整，充分發揮生物與環境的最高生產力，採取有效措施和對策防止土壤侵蝕之目的。
  14. In this paper a date from some real projects are used to analyse the facors that will affect the energy dissipation and erosion prevention. such as flood discharge across the cofferdam, crest elevation, downriver cofferdam, roughness coefficient and the gradient of the surface of dam, and so on. in this paper, the program based on hydraulics is checkout by the tankeng waterpower project in zhejiang. the results prove that this program can be used to design any project where there is no obvious side shrinking phenomena

    本文結合工程實際對影響圍堰和壩體消能防沖的各種因素，包括過堰流量、壩面高程、下游圍堰堰頂高程、壩面糙率、壩面坡度等進行了分析，並藉助水力學知識和計算機語言編寫了圍堰和壩體的優化計算程序，並利用浙江灘坑水電站工程對所提出優化計算程序進行了驗證，證明了該程序在沒有明顯的側收縮的影響下，計算結果與實際情況較為吻合。
  15. They typify the flood of americans and europeans who go offshore to avoid further erosion of their limited wealth in u. s. and european banks. their offshore bank accounts average under 100, 000. you need not be a rockefeller to enjoy the offshore experience

    眾多國際公司于離岸地區設立銀行戶口來避免有限的財富侵蝕，大部份平均結余低於法港幣100 ， 000 ，投資者的可從容享受離岸經驗。
  16. Functioned as the “ kidneys ” of the earth, wetlands provide comprehensive eco - environmental and productive services in terms of flood mitigation, climate control, pollution prevention, soil - erosion reduction, environment beautification, biodiversity maintenance, and bio - productivity protection

    濕地被譽為「地球之腎」 ，具有巨大的調蓄洪水、調節氣候、控制污染、減少土壤侵蝕、美化環境、維護生物多樣性、生物生產力等生態、環境和生產功能。
  17. Rules of erosion amp; sediment yield and benefits of flood amp; sediment reduction of soil and water conservation measures in the middle reaches of the yellow river

    黃河中游地區侵蝕產沙規律及水保措施減洪減沙效益研究綜述
  18. Article 1 this law is formulated for the purpose of the prevention and control of soil erosion, the protection and rational utilization of water and soil resources, the mitigation of disasters of flood, drought and sandstorm, the improvement of ecological environment and the development of production

    第一條為預防和治理水土流失，保護和合理利用水土資源，減輕水、旱、風沙災害，改善生態環境，發展生產，制定本法。
  19. The continuance of soil erosion will result in not only the descent of soil quality, but also silt of rivers & lakes, and flood disaster as well

    水土流失持續發生的結果不僅使土壤質量不斷下降，而且還會造成河湖淤塞，引起特大烘澇災害。
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