流蝕基面 的英文怎麼說

中文拼音 [liúshímiàn]
流蝕基面 英文
current base
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ動詞1. (損失; 虧耗) lose 2. (腐蝕) erode; corrode Ⅱ名詞(天體現象) eclipse
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  1. After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force

    在綜合研究危巖上的各種作用之後,本文提出了危巖的形成和破壞機理:硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層,結構的的存在是危巖形成的地質礎;地應力卸荷、風化、水侵、植物根劈是危巖發育的主要作用;重力、水壓力、地震力是危巖崩塌的主要荷載。
  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模型的礎上,提出了今後土壤侵模型應該注重的發展方向: ( 1 )注重土壤侵模型的理論研究,將從以侵因子為礎的侵預報向侵過程的量化研究和理論完善,研究各侵因子及其交互作用對侵過程的影響,泥沙在復雜坡以及不同域尺度間的分散、輸移和沉積作用; ( 2 )加強對重力侵、洞穴侵機制的研究,加強對大中域侵模型的研究; ( 3 )充分利用先進的rs 、 gis技術,為侵模型的研究提供大量的數據源,以利於對土壤侵模型的檢驗。
  3. The research results mainly show : ( 1 ) the ecological degradation characteristics of wuxi county include : some soil is thin and barren and its water and fertility conservation abilities are poor, gradual degradation of soil results in decrease of vegetation diversity and the vegetation community structure gradually inclines tc simplicity from complexity. the types of soil and water loss in wuxi county mainly involve surface erosion and gully erosion. according to investigation, surface erosion area occupies 80 % or so or erosion area, in which the slope farmlands surface erosion area accounts for about 70 % of farmland erosion area

    研究結果主要包括: ( 1 )巫溪縣生態退化特徵表現:作為生物生長質的部分土壤薄而貧瘠,保水保肥能力差,部分地區巖裸露,土壤的不斷退化導致植物種多樣性減少,植物種群結構逐步由復雜趨向簡單化;縣內水土失的類型主要包括和溝兩大類,據調查,積占侵積的80左右,其中坡耕地佔耕地侵積的70左右。
  4. 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模數為3700 4400t km ~ 2 ? a ;在排土場新造地貌上,擊濺、、細溝侵、淺溝侵、沉陷侵、砂礫化、土砂瀉溜和坡泥石等水土失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南排土場徑試驗場長期的定位觀測為礎,對排土場未復墾時期、復墾初期、復墾後期的土壤水影響因子進行定量研究,確定了徑和土壤水的主要影響因子及其臨界值,建立了產產沙的經驗模型。
  5. In the paper, we firstly acknowledge the characteristic of rainfall kinetic energy and runoff energy, current state and the development of erosion dynamic process by consulting a large number of domestic and foreign literature datum. on the basic, we systemically coordinated the eroded datum of runoff plots of soil and water conservation stations at xifeng, tianshui, suide, and chunhua et al

    本文首先在查閱了大量國內外文獻資料,全了解降雨動能與徑能量的特性及侵動力過程等方的研究現狀及最新進展的礎上,系統整理了西峰、天水、綏德及淳化泥河溝等水土保持試驗站的徑場侵資料。
  6. Many studies had attempted to characterize chemical weathering process by focusing on geochemisty of river particulate and sediment. the sediment geochemistry may reflect and compare with the carbonates and silicates weathering degree by introducing the chemical index of alteration ( cia ) and new sediment index of variation ( siv ) and elemental molar abundance ratio of the sediment. the one main objective of this study would provide and compare the relative weathering intensities of silicates and carbonates with the different basins

    2沉積物地球化學與化學風化進程和機械剝率化學風化指數與化學風化率屬于表徵化學風化作用意義不同的函數,前者為相對概念反映域巖石在原巖礎上己發生淋溶作用的深度,主要受到了氣候因子的深刻影響(中國域沉積物化學風化指數由北到南呈有規則的遞增序列,氣候因子對風化進程的影響掩蓋了巖性的巨大差異) ,而化學風化率含義是指單位積巖石風化淋溶產生的離子絕對總量。
  7. Poles - etching method is that the etching current caused by the external voltage is used to promote the intermediate ion product break away from the surface of substrate and keep the etching rate stable

    電極腐法是指在激光腐的過程中,通過外加電壓在溶液中形成腐,促使中間離子產物脫離片表,使腐持續穩定進行。
  8. Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt

    通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地應力場進行判斷:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地應力場的演變是有幫助的;地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性;區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響,隨著區域性地貌侵程度由峽谷區、丘陵區、平原區的變化,現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化;在峽谷區,山體中具有兩個應力帶:自重應力帶和卸荷應力帶,最大主應力方向在卸荷應力帶中近平行於坡並傾向于河谷、在自重應力帶中近於直立;根據原始地遭剝的程度,可以大致地估算最大主應力和中間主應力的量值和方向;在丘陵區和平原區,最大主應力的方向近於水平,並與附近區域性侵盆地和河的展布方向本平行,根據原始地遭剝的程度,可以大致估算其最大主應力的量值;根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵,並進而大致了解巖石的應力環境,這種分析方法得出的結論與許多實際的地應力測試成果本一致,對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。
  9. ( 5 ) by analyzing the terrace in the lacustrine sediment of the ancient barrier lake, diexi, minjiang river, forming of the terrace is not only because of the intermittent arising of the tectonic movement, but also because of descend of the eroding normal covering resulting from destroying of the barrier lake

    ( 5 )通過對岷江疊溪古堰塞湖湖相沉積中的河階地分析可知,階地的形成不僅僅是由於新構造運動的間歇性抬升作用,由於堰塞湖的潰決引起洪水下泄,導致河的下降也可以形成階地。
  10. All diodes have large reverse leak current density, which maybe caused by some reasons such as many ions are brought in course of evaporating metal on silicon surface of 6h - sic, chemical etch brings disfigurements such as burrs and dentate erodes as well as the rinse on surface of samples is not drastically accomplished

    兩個肖特二極體反向漏電較大,估計原因為正蒸發金屬時引入大量離子、光刻引入毛刺和鉆等缺陷、金屬與樣品粘附能力差及樣品背歐姆接觸制備好后正清洗不充分等。
  11. Soil erosion and nutrient losses in jiangjiatang watershed in lanxi city in zhejiang province during exploitation was studied from 1993 - 2000 using adoptive research methods such as runoff plot, catchment area, and rare earth element tracer ( eu ), and the soil fertility index appraisal. the major conclusions are as follow : 1. the principle of water and soil losses together with nutrients and the forms in which they were lost were studied under different fanning systems in runoff plot

    本研究選擇浙江省中部金衢盆地邊緣蘭溪市水土保持監督站蔣家塘小域為研究試驗點,以協作單位蘭溪市水土保持監督站小域開發試驗區為礎,採用坡小區法、單源匯水試驗區出口實測法、穩定性核素- eu土芯示蹤法研究了2000年坡耕地不同農作措施水土失規律及養分失規律和小域綜合開發過程中水土失規律及養分失規律,並對小域侵土壤的肥力現狀進行評價。
  12. This thesis fabricated successfully a wc particle reinforced iron matrix composite using a vacuum infiltration process for severely erosion and application in the slurry pump. the casting process was optimized. the microstructure and wear resistance were researched and analyzed

    本文針對承受嚴重沖磨損的渣漿泵過件,採用負壓鑄滲工藝成功制備了碳化鎢顆粒增強鐵復合材料,改善和優化了復合工藝、鑄造工藝。
  13. Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration

    首先,在二維軸對稱情況下模擬與分析了遠場渦本特性,證實了遠場渦現象的存在;對全周向缺陷的遠場渦檢測進行了詳細研究,證實了遠場渦檢測缺陷位置和深度的可行性;對點狀腐、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬,利用相位差和幅值變化曲線與電壓平極坐標圖對缺陷特徵進行分析,為缺陷形狀重構提供了依據。
  14. The meter ( which is called pccm2002 for short ) is designed on the basis of mcs - 51 single - chip microcomputer technique. the hardware is composed of single - chip microcomputer module and electrochemical module. the single - chip microcomputer module can be divided into five parts, cpu circuit, a / d and d / a circuit, peripheral memory circuit, i / o interface circuit, distributing address circuit ; the electrochemical module is made up of potentiostatic circuit, galvanostatic circuit, potentiostatic - galvanostatic ( p - g ) conversion circuit, signal measuring circuit. the software of the meter is edited by c51 language, it is well - structured and module. all program modules have been linked into an executable files after compiled separately, then copy to eprom

    恆電位控制下的恆電量智能化腐監測儀採用於mcs - 51單片機技術的智能化設計,儀器硬體由單片機系統模塊和電化學介模塊組成,單片機系統模塊包括cpu電路,片外存貯器擴展電路,模數和數模( a d和d a )電路,輸入輸出( i o )介電路,地址分配電路,各電路模塊通過系統總線交換信息;電化學介模塊主要由恆電位電路,恆電電路,恆電位-恆電( p - g )轉換電路,信號放大與採集電路組成。
  15. 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礎,結合典型區域開發建設新增土壤失分析的研究成果,以降雨侵力、土壤抗沖性和地坡度為主要因子,建立了用年降雨資料和次降雨資料計算土壤侵模數的數學模型和開發建設新增土壤失量的計算方法。
  16. Groove shape function of laser power, scanning velocity and materials ' thermo physical coefficients was solved due to temperature at ablation front keeping decomposed temperature, and the proposed model was tested in polymethylmethacrylate experiment

    於燒上的溫度始終保持為降解溫度,求出關于激光功率、掃描速度和材料熱物理系數的微道外形函數解,並用聚甲丙烯酸甲酯進行了實驗驗證。
  17. 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,全了解了坡水動力學特性及坡動力過程等方的研究現狀及最新進展的礎上,以揭示雨滴打擊動能對坡薄層水水動力學特性及坡的影響為目標,採用水槽放水試驗和定雨強模擬試驗相結合的方法,運用水動力學與侵理論,研究了降雨對坡薄層水速的影響,雨滴打擊強度對坡薄層水速、水深、態、阻力等水動力學參數的影響,雨滴擊濺作用對坡泥沙含量的影響。
  18. A competition mechanism throughout the tunnel etching of aluminum foils is established in this study, namely, the competition between the attack to passive surface by aggressive anions and the passivation caused by passivators ; dissolution competition between side wall of tunnels and overall surface of foils. to demonstrate the competition mechanisms, the etching conditions influencing the morphology of tunnels, surface modification of foils, redemption and regeneration of passive state were investigated

    本文在綜述了目前國內外鋁陽極箔發展和直電侵理論的礎上,研究了鋁箔侵過程中影響隧道孔形貌和比容的各種因素,揭示了貫穿于整個侵過程的競爭規律,即孔成核競爭? ?鋁箔表的活化與鈍化競爭;溶解競爭? ?隧道孔孔壁的溶解與侵箔表的溶解競爭。
  19. In our country, most of bridges were built in 1960s or 1970s, which were based on that time traffic discharge and development planning, so design criterion of these bridges were very lower. in addition, it was inevitable to bring about cracks > concrete rupture, steel rust ^ honeycomb and water proof layer failure, because some established bridges were built by poor construction and maintenance during the course of operating period. all above mentioned lead to durability and bearing capacity could n ' t gain to design standard

    由於我國很多橋梁建於上個世紀六、七十年代,於當時的車量和各方的發展規劃,橋梁設計等級普遍偏低;另外,某些既有橋梁由於施工質量差和運營期間維護不到位,不可避免地會產生裂縫、混凝土破損、鋼筋銹、蜂窩及防水層失效等缺陷,從而導致耐久性及承載力達不到設計要求。
  20. The results indicate that the benefit of watershed water reduction by engineering harness of soil and water conservation was 18. 1 % on what had been achieved in the period of the sixth five - year plan, and that the benefit by ecological and agricultural harness of soil and water conservation was 10. 9 % on what had been achieved in the period of the seventh five - year plan

    計算結果顯示,在「六五」礎上王東溝小域以梯田建設、土地平整、溝坡道路防技術為主的水土保持工程措施平均減少地表徑18 . 1 % ,而在「七五」礎上以人工林草植被建設為主的生物措施和調整土地利用結構、擴大經濟林果種植積的農業措施共減少地表徑10 . 9 % 。
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