直接徑流 的英文怎麼說

中文拼音 [zhíjiējìngliú]
直接徑流 英文
immediate runoff
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • : 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...
  • 直接 : direct; immediate
  1. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述甲醇燃料電池( dmfc )陰極氧氣的傳遞和電化學反應過程,研究了過電位-電密度曲線受陰極結構參數變化的影響程度,其中著重考慮了以下幾個參數:催化層的孔隙率,浸漬聚集體薄膜的厚度,浸漬聚集體的半,浸漬聚集體在催化層中的體積分數。
  2. 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,而且綜合了量與洪峰在剝蝕土壤和搬運泥沙能力,比單獨運用深或洪峰量更加合理。
  3. On the basis of the study of the theory and appraise method on land use in the small towns from home and abroad, this paper at first conducts a deep study on the development and role of the small towns, indicating that its development has sawn an uneven development phrase and becomes a carrier of the enterprises, a pool of surplus laborers, a hub of material exchanges between the rural and urban areas, a base of spiritual civilization, an important way to achieve urbanization. second, it conducts a study on the situation and features and the problems the land use, indicating that the efficiency of the land use is low, which has a direct influence on the development of agriculture and the role of the small towns. and the study of the demand of the land indicates the shortage of land is serious, and the small town must rationally use the land and increases its intensive role and the economical efficiency to meet the demand

    在分析國內外已有關于小城鎮土地利用的理論與評價方法的基礎上,首先對小城鎮在我國的發展、地位和作用進行了深入的分析,判明我國小城鎮發展經歷了一個曲折向上的發展階段,已成為鄉鎮企業的載體,農村剩餘勞動力的蓄水池,城鄉物資交的樞紐,農村精神文明的基地,是我國城市化的重要途;其次,對小城鎮土地資源利用現狀和特徵進行了探討,並對發展小城鎮建設導致的土地利用問題進行了剖析,表明目前我國大多數小城鎮土地效益和規模效益低下,佔用耕地過多,影響農業的發展,影響小城鎮的地位和作用;通過小城鎮土地供需分析研究表明,我國土地短缺十分嚴峻,小城鎮土地需求缺口較大,小城鎮必須合理利用現有土地,增強集約功能和土地經濟效益,從而緩解需求壓力;最後,論文通過運用特爾菲法,描述統計分析法、多元統計分析(主成分分析)法和系統分析法中的層次分析法( ahp )等一系列方法,結合定性和定量兩方面,從土地質量、土地資源數量與結構、土地經濟效益、環境效益、社會效益等五個方面進行分析,篩選、建立了土地資源利用評價指標體系,在因子評價的基礎上,建立了土地利用綜合評價模型,並給出了評價過程和方法。
  4. In this thesis, first, reasons and factors for the stability of loose rock dams were summarized according to the field surveys and certain expert ' s experiences. then, researches on block stability problems were reviewed, and according to the relationship between grain size and incipient velocity, it is found that the block weight is in direct proportion to 6 - 9 power of incipient velocity, and 50 % increase of the velocity will result in about 40 times change of the block weight. after that, experiments were conducted in a flume, focusing on the relationship between incipient velocity and some main factors including block weight, water depth over the dam, cross - section size, block material and river bed material

    本文首先根據散拋石壩損毀情況的現場調查資料,結合有關專家多年的整治經驗,總結出壩體的損毀原因及影響因素;對現有塊體穩定性的研究成果進行回顧和總結,並針對散拋石壩的損毀現象,結合山區河的水、地形特點,利用塊體粒與起動速的關系,提出塊體穩定重量與起動速高次方成正比的概念,速50的增長可能導致塊體穩定重量近40倍的變化;通過二維變坡水槽試驗,研究了壩體穩定的主要影響因素,包括塊體重量、壩頂水深、斷面尺寸、塊體材料(塊石和卵石兩種) 、護底等,結果表明對于山區河,試圖僅僅通過增加壩體單個塊體重量或斷面尺寸來提高壩體穩定性效果甚微;最後,根據西部地區的自然、經濟、交通等條件,提出可以採用柔性混凝土鉸鏈體等一類整體性較好的護面層作為散拋石壩的防沖毀措施,以期取得良好的工程效果。
  5. The direct lateral force control is that more than one hundred small jet engines are installed around the missile before the barycenter. by firing up these engines produce impulse propelling force in order to adjust the position of the missile

    姿控力控制方式是在導彈四周重心前向安裝的很多個小型噴發動機,控制噴發動機點火,產生脈沖推力,對導彈進行姿態調整。
  6. The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles

    一、在常溫和常壓下進行滴床反應器率分佈的研究,以狀態離散、時間離散的齊次markov過程描述了滴床在滴區的率分佈,建立了滴床在滴率分佈的隨機模型,根據此模型可以: 1 、可確定任一高度下的液體率分佈及平衡率分佈; 2 、液體動的概率轉移矩陣可由隨機堆積顆粒的統計特性確定,以參數s修正。
  7. Through the man - machine interaction system which consisted of lcd ( liquid crystal display ) and keyboards, we can select welding parameters, such as the way of welding, diameter of the wire, wire feed speed, current, voltage and so on

    主要過程是:通過lcd ( liquidcrystaldisplay )與鍵盤組成的人機交互系統選擇已存儲在單片機flash中的焊參數,包括焊方法、焊絲、送絲速度、焊、焊電壓等。
  8. Annual precipitation series about 50 years is stable and no period ; further, the climate drying and desertification are n ' t caused directly by the decrease of precipitation during the period of the research according to the relational analysis among precipitation temporal - spatial change, runoff, evaporation, potential evapotranspiration and soil water ; longyangxia reservoir which was built in 1986 does n ' t have influence on precipitation up to now ; but annual temperature series in gonghe is unstable, having a linear upward trend, and it increases about 0. 0247, 0. 0422 and 0. 0272c per year, and temperature rise must be having an influence on desertification, but there is a very little temperature change, so that the effect is very small ; annual potential evapotranspiration series is stable too, so climate change has little influence on plant water consumption. 2

    在青海共和盆地,近50年的年降雨量序列是平穩的、無周期,其時空變化與、蒸發、潛在蒸散和土壤水分的關系表明,氣候乾燥和嚴重的荒漠化不是由於降雨量減少引起,龍羊峽水庫對共和盆地年降雨量變化沒有影響;但是年氣溫序列是非平穩的,茶卡、恰卜恰和貴南的年氣溫平均每年升高0 . 0247 、 0 . 0422和0 . 0272 ,且氣溫升高2 ,年潛在蒸散增加57mm ,盆地內氣候逐漸變乾燥,但影響比較小;由於歷年潛在蒸散序列是平穩的,因此氣候變化對盆地的作物潛在蒸散的影響在研究期內是較小的。
  9. Knowledge of the particle diameter and fluid properties immediately defines the region of flow and the applicable relations.

    已知顆粒體性質,就可確定動區域和適用的關系式。
  10. At the end of the thesis, we incorporate the influences of all the four parameters - half - length l, radius r, viscosity of the fluid v and the density of the fiber / - into one compound parameter a

    在論文最後,經過綜合分析各參數的影響,得到了一個能概括半長度l 、半r 、溶劑體粘度v和纖維比重這四個參數對纖維相互作用過程影響的組合量| a | 。
  11. Comparing the catchments with the same conditions at the same scales, we found that at the small scale catchments, the factor directly impacting the runoff variation and sediment variation was the relative distribution location at sloping fields, and at the median scale catchments, was the slope distribution of land use components, while at the large scale catchments, the distance distribution of land use components

    在相近條件的同尺度集水區之間比較發現,小尺度集水區土地利用類型的坡位分佈格局對和泥沙變化有較的影響,中尺度集水區土地利用類型的坡度分佈格局和大尺度集水區的土地利用類型的距離分佈格局對和泥沙土地利用空間分佈格局對侵蝕產沙過程的影響的變化影響較大。
  12. With the impact of climate change and increasing the intensity of human activities, the hydrological regime has changed, including annual runoff distribution, which is relating with water resources management and ecological construction

    摘要在氣候變化和人類活動的影響下,河川的年內分配特徵也發生變化,影響人類開發利用和生態環境建設。
  13. The cost of the regional externality is shifted or the income takes place in a direct or indirect way, which can be immediate or at a specified future date and possesses certain accumulation effect

    ( 5 )區域外部化的方式和途:成本轉嫁或收益失以或間的方式發生,可以是即期,也可能是遠期,具備一定的積累效應。
  14. One of open problems is to study harmonic maps between finsler manifolds and derive the first and second variation formula for harmonic maps between finsler manifolds. firstly, we define harmonic map between finsler manifold. in fact, it is the harmonic map from projective sphere bundle of source manifold to the projective sphere bundle of target manifold

    運算元的第一非零特徵值凡全mk .特別地,當『 ,二二k時, m的為六?當m是黎曼形時,由moer 「定理的推論可知m與半為去的球等距
  15. There is a part of beam loss during the course as the neutralization of high - energy particles dragged from the ion source, the deflexion of charged particle on the beam stream and the scraped beam of exceeding beam waist and low density. it is necessary to analyze the beam loss and bring forward a rational project for absorbing beam stream

    將離子源引出的高能粒子進行中性化,再偏轉掉束中的帶電粒子,將超過束腰半、密度較小的束削除,在此過程中有一部分束損失,它影響加熱功率的因素,因此,對束損失進行了分析,對損失束的吸收提出了吸收方案。
  16. Secondly, methods of improving on probe are investigated in detail : using the electromagnetic shielding effect to decay the direct - coupled magnetic field and using the dual probe to control the energy flow, so as to make the probe to be shorter ; designing 3 - d pick - up coil array to increase detection sensitivity. at last, experiment system is set up to verify the simulation result and the comparing result shows simulation result agrees with experiment result

    其次,對改進傳感器性能的幾種方法進行了詳細研究:利用電磁屏蔽效應以衰減在上的磁場傳播、採用復式探頭激勵方式以實現能控制,從而減小傳感器體積,模擬證實這兩種改進方案有效;設計三維周向檢測線圈陣列以提高缺陷檢測靈敏度,模擬結果證實三維探頭的周向靈敏性。
  17. The relaxation of the jet to its final diameter has been used to provide a direct estimate of the fluid relaxation time.

    到其最終的鬆弛過程,被用來對體的鬆弛時間提供的估算。
  18. This method of path optimization can directly gain access of net - flow via result of operation. it does n ' t need reversibly operation to find optimistic path

    這種路優化方法可以由運算結果確定網的通路,不再需要反推最優路線。
  19. Through the statistics and analysis of runoff and amount of sand lost in the downstream of weihe in recent years, it is discovered that in the downstream of weihe the magnitude sand season was ahead of the main flood season relatively within the year ; variation tendency of annual runoff and amount of sand lost was identical basically, and the quantity of water and sand at huaxian gauging station was tailing - off continuously from the 1960 to 2005 ; there was direct relation between the situation of rushing or silting deposits and rainfall at this section of the river : the river depositing in the year which is rich rainfall, the eroding in the poor rainfall

    摘要本文通過對近6年渭河下游水沙量數據的統計和分析得出,渭河下遊河段年內多沙期較河主汛期有所提前;年量和年輸沙量的變化趨勢基本一致,而且自60年代至2005年華縣站的水沙量持續呈遞減趨勢;河的沖淤情況與該河段的降雨量有著的關系,當年平均降雨量小的時候河以淤積為主,當年平均降雨量大的時候河以沖蝕為主。
  20. The assemble criterion of sensor for design was advanced. at last, a method of increasing signal - to - noise ratio and reducing flux lower limit value of vortex flowmeter was advanced. the experiment program was advanced

    針對旋進旋渦量計的理論分析所存在的問題,論文應用fluent軟體對該量計進行了場模擬研究,分析模擬的結果和誤差,並提出了改善模擬精度的途
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