erosion basis 中文意思是什麼
erosion basis
解釋
侵蝕基面-
In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on
本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究，通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計，在此基礎上，以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據，對已成林的針葉林與闊葉林進行森林生態系統的價值估算，得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元，參照這一生態價值量，把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物，以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。 -
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。 -
What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank
研究結果表明：設置低坎分流墩后，消除了擺動水躍水舌擺動的根源，提高了水躍的消能效果，改善了下游水流流態。下游水體的主流在中部，既有效的降低了坎后水流底流速，減輕水流對河床的沖刷，又避免了主流位於表面導致波浪過大的結果，下游的水面波浪明顯得到削減。依據經驗公式，可根據工程水流條件設計出低坎分流墩的體型參數，進而估算出下游沿程的水面波浪，為下游岸邊的砌護提供依據。 -
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。 -
In order to make the agriculture and rural economy of this area keep on fast, persistent and stable developing, it must be on the basis of controlling soil erosion and improving eco - environment, and on the advanced science and technology to combine enhancing yields of main farm product with increasing peasant ' s incomes, to support resource exploitation, and to raise technical level of agriculture industry
從渭北旱原資源開發歷史和經驗中可得出，該區域實現農業和農村經濟持續發展的途徑和措施是：以提高水資源利用效率為中心，以挖掘資源潛力、充分發揮資源優勢為基礎，以科技進步為先導，著力提高農業產業技術水平，以控制水土流失、改善生態環境為前提，把增加重要農產品產量與增加農民收入統一起來。 -
On the basis of analyzing the theory of gas - solid two - phase flow, the paper put forward two ways of lightening the erosion of centrifugal fan from the point of view of initiative preventing erosion : changing fan ' s inlet and changing fan ' s impeller
本文在分析離心風機氣固兩相流動理論的基礎上，從主動防磨角度提出了兩種減輕風機磨損的方法：改造風機進氣箱和改造風機葉輪。 -
Article 22 in a water - eroded region, by taking a small river basin comprising the natural ravines and flanking hill slopes as a unit, a comprehensive system for the prevention and control of soil erosion shall be set up on the basis of overall planning and comprehensive rehabilitation
第二十二條在水力侵蝕地區，應當以天然溝壑及其兩側山坡地形成的小流域為單元，實行全面規劃，綜合治理，建立水土流失綜合防治體系。 -
For this reason, our objective is the research of the mechanism of runoff generation and characteristics of moisture changing process of slope farming purple soil, accordding to the theory of hydrology and the intergrated - means of compined the hydrology with the peodology, because it is the basis of the studies : soil erosion and protection, farming - land water balance, non - point pollute, etc., and the direction gist of runoff arrange implement, solving water hazard and management of irrigation and fertilizer
綜觀國內外有關研究，我們認識到對紫色土土壤產流和水分變化特徵的認識，是認識該區土壤侵蝕與保護、農田水量平衡、非點源污染等的機理和規律的基礎，也是解決該區水患問題、實施徑流調節而提高旱地的雨水利用程度，以及水肥管理等的基本科學依據。因此，以水文學原理為基礎，採取水文學與土壤學、地理學、水土保持學等相結合的途徑，研究紫色土坡耕地的降雨產流機制與產流後土壤水分的變化特徵，是具有新的科學價值和現實意義的。 -
3. bring forward a new idea : the ideology of synergetics used in atomic simulation and multi - scale simulation of materials design. on the basis of this, next tasks were put forward : ( 1 ) analyzing the changes of stress - strain curves of the interphase before and after pre - treatment ; ( 2 ) the efficient of the coupling effect of o2, na2s04 and h2o stream on the oxidation and erosion resistance of interphase ; ( 3 ) the methods of improving environment performance of interphase above 1273k
提出將協同學的思想用於原子級模擬及跨尺度模擬的思路，並在此基礎上，提出下一步的工作設想： （ 1 ）分析熱處理前後界面相區域應力-應變曲線的變化； （ 2 ）航空發動機模擬環境中，氧、硫酸鈉蒸汽及水蒸汽耦合效應對界面相抗氧化性、抗腐蝕性的影響； （ 3 ） 1273k以上界面相環境性能提高的方法。 -
That will provide basis for knowing oil pollutant effect on water quantity by wind erosion and scientific pattern for preventing fully the oil pollutant in lake of arid region
為人們?解乾旱區石油污染物風蝕作用水環境污染影響提供了初步依據，對乾旱區湖泊石油污染的全面防治提供了科學範式。 -
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。 -
Through analyzing the surface microstructure of counter - cavitational material and the factors of affecting cavitation, on the basis of material mechanical properties, metallurgical parameters and fluid mechanical conditions, the paper presents cavitation erosion mechanism in multitude fluid medium, whereby offers references for calculating erosion rate
通過對抗氣蝕材料表面顯微結構和影響氣蝕因素的分析，從材料的機械性能、冶金學參數和流體力學條件出發，綜述多項流體介質作用下氣蝕磨蝕的機理，從而為計算氣蝕磨蝕速率提供參考 -
The paper establishes a mathematical model for calculating soil erosion modulus and a method for calculating new soil loss by using annual rainfall data and individual rainfall data, taking the outcomes of tests and study of natural rainfall, artificial rainfall and washout as a basis, rainfall erosion force, soil resistance to erosion and ground slope as main factors and combining with the study on new soil loss in typical regional development and construction
摘要以天然降雨、人工降雨、放水沖刷等試驗研究成果為基礎，結合典型區域開發建設新增土壤流失分析的研究成果，以降雨侵蝕力、土壤抗沖性和地面坡度為主要因子，建立了用年降雨資料和次降雨資料計算土壤侵蝕模數的數學模型和開發建設新增土壤流失量的計算方法。 -
Basis on the statu quito, the basis of the selecting title, the main theoretical foundations and the researching approachs, the thesis analyses the advantage of the development animal husbandry and the existing questions in jiuquan oasis. the author thinks the restricting factors in animal husbandry development are the limited meadow area, the serious soil erosion, the land determinations, the worse management regime, the severe hazard on mice, the fluctuating product in meadow and so on. and then the author has appraised the ecological fragility in jiuquan oasis
論文在論述了酒泉綠洲畜牧業的研究現狀、選題依據、主要理論基礎及研究方法的基礎上，分析了酒泉綠洲畜牧業發展的有利條件，認為人工、半人工草場面積小，水土流失嚴重，土地退化，草畜比例失調，草場退化，草原管理制度不健全，鼠害猖獗，牧草產量年度變化大，產草量和草場利用季節不平衡，生產經營理念落後，成為酒泉綠洲畜牧業發展存在的主要問題，並對酒泉綠洲的生態脆弱性進行了評價。 -
On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched
本文在查閱了大量國內外文獻資料，全面了解了坡面流水動力學特性及坡面侵蝕動力過程等方面的研究現狀及最新進展的基礎上，以揭示雨滴打擊動能對坡面薄層水流水動力學特性及坡面侵蝕的影響為目標，採用水槽放水試驗和定雨強模擬試驗相結合的方法，運用水動力學與侵蝕理論，研究了降雨對坡面薄層水流流速的影響，雨滴打擊強度對坡面薄層水流流速、水深、流態、阻力等水動力學參數的影響，雨滴擊濺作用對坡面流泥沙含量的影響。
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