水徑流系數 的英文怎麼說

中文拼音 [shuǐjìngliúxìshǔ]
水徑流系數 英文
the runoff coefficient
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 徑 : 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...
  • 流 : 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Following this algorithm, the base flow can be calcu - lated from the observed discharge as follows : 1, 22bbqiqiqi where i is the time step in the discharge records, qb is the base flow, q is the total runoff, and is the re - cession constant during periods with no surface runoff. the parameter can be determined through a dis - charge recession analysis

    地下徑流的推算公式如下1 1 . 22bbqiqiqi ? ? ? ? 26其中i表示推算的時間步數， qb是地下徑流， q是總的徑流.表示沒有降水時候流量消退系數，可以通過沒有降水時候的流量消退資料推算出出來
  2. Many factors have effect on irrigation uniformity. with the growing of pressure, how is irrigation uniformity of trickle irrigation varying on different condition of the diameter of drip line, the distance of emitters, the length of drip line, the style of emitters, the flux ratio of emitters and the face gradient of little irrigation district. the consequence shows that pressure has puny effect on irrigation uniformity

    滴灌系統的灌水均勻度受眾多因素的影響，本文通過毛管的管徑、滴頭間距、毛管的管長、灌水器的類型和灌水器的流量系數不同的情況下，灌水均勻度隨壓力水頭變化模擬結果顯示，壓力水頭對灌水均勻度影響非常小。
  3. Meanwhile, an artificial imitation rainfall system was developed in order to study the characteristics of city underlying surface and make experimental check up about the relative appraising index, on which 200 rainfall experiments are made, analyzing the effect of rainfall intensity to the runoff of underlying surface ; the relationship between runoff permeability and unit factor of rainfall intensity and duration ; the effect of rainfall intensity, duration, soil moisture content, and temperature to the runoff permeability ; the relationship between rainfall quantity and runoff permeability, and make mathematical imitation to the expe rimental results, to find the mutual - relationships, and make discussion about the differences between equations of fit

    同時，為研究城市下墊面的產匯流特性研製了一套人工模擬降雨系統，並對相關評價指標進行了實測校驗。在此基礎上，進行了200多場降雨實驗，分析了雨強、歷時、土壤前期含水量、溫度、降雨量、不同下墊面和不同覆蓋度等對產匯流的影響，及各種因素對徑流系數的影響和相關性，建立了一定條件下歷時徑流系數，雨強徑流系數，流量徑流系數的函數模型。
  4. Another based mathematics model about the anchor cable is used for ship - anchor system. the numerical calculation have been worked by programmed in the matlab language. at the same time the influence that the dragging speed of antisubmarine helicopter and the height over the surface of ocean acts on the shape and the tension of underwater cable, and that the current velocity and the diameter of anchor cable acts on the shape and the tension of anchor cable, has been calculated

    把建立的水下拖索數學模型和錨索數學模型分別應用於航空吊放聲納探頭?纜繩動力學系統和船?錨系統，採用matlab語言編程進行了數值計算，同時分別計算和分析了反潛直升機拖速、距海面高度對拖索形狀和張力的影響以及海流速度、錨索直徑對錨索形狀和張力的影響。
  5. When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge

    以75000km ~ 2的川中丘陵地區為試點研究區，繪制了該地區新模型的參數等值線圖，率定了不同設計頻率的改正系數，使設計者只需在地形圖上獲取集水面積，河道平均坡降和流域形狀系數，在參數等值線圖上查得橋涵所在地的相應參數，使用計算器即可迅速計算出設計流量，大大縮短了設計周期，且精度較高，設計的洪水流量一般低於傳統方法，從而可減小橋涵跨徑，節省投資。
  6. Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical

    通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出：弧根周圍空氣的熱電離導致了電弧的發展，靜電場力對電弧的發展起到了加速作用，電擊穿僅發生在閃絡最終的跳躍階段；通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數，得到了不同階段電弧（電弧起弧階段、電弧發展階段及完全閃絡）的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。
  7. In order to calculate quantitatively the process of rainfall - runoff, the css model of zhang cha catchment is developed based on epa ’ s swmm ( storm water management model ) in this paper. and then calculate cso spill water quality 、 spill volume and spill time at different intercepting ratio using the developed swmm, and analyze the effect on them by intercepting ratio

    為了實現上述降雨?徑流過程的定量計算，本文引入美國環保局的城市暴雨水管理模型（ swmm ）建立了佛山市張槎排水區的合流制排水系統模型，使用該模型計算了不同截流倍數時溢流污水的水質、水量以及溢流時間，並分析了截流倍數對它們的影響。
  8. Climate in this valley changes sharply with vertical difference and rainfall increases with the height. calculation indicates that the design day rainstorm amount reaches 133mm, the rainfall intensity of day storm reaches 6. 05mm / h, the design storm peak discharge is 239. 7m3 / s and 753. 0

    在計算泥石流峰值流量時，因考慮到泥石流固體物質的前期含水量、泥石流堵塞斷流增加的暴雨徑流量、泥石流間歇性陣流的迭加流量都會使泥石流流量增加，需要在計算公式中引入一個泥石流流量積累系數。
  9. For example, the ratio of low flow to its area is higher in fengcong region than that in fenglin region. further more, the same type of landforms also influences the amount of low flow if the spatial assembly is different

    重點研究了不同地貌類型與枯水徑流的關系，如在峰叢窪地枯水徑流模數較小；而峰林溶原地區則較大，而且地貌類型的空間配置差異也會影響枯水徑流的大小。
  10. And we have got the following result : 1. the technique of storing water in soil in gneiss area of tai - hang mountain : the more water in soil before rain is, the less water capability of soil is, the time shorter of water flowing from soil is, the easier the water flows on the ground ; the soil capability of reserving water of different soil thickness is terrace > acacia land > pine land > grass land, so the soil is more thick, the soil capacity which contains water is more large ; the accumulated water that flows on the ground is remarkable related with the logarithms of rain time

    太行山片麻巖區土壤蓄水規律：雨前土壤含水量越高，土壤可蓄水量越小，出流所需時間越短，容易形成地表徑流；不同土層厚度的土壤蓄水量為：梯田刺槐林地油松林地草地；累積地表徑流量與降雨時間的對數呈顯著正相關，擬合方程為w = a + blnt ，相關系數均大於0 . 92 ，即在降雨強度一定的前提下，降雨時間越長，累計地表徑流量越多。
  11. Studies have been made shown that under water stress, not only root weight, root specific surface area, root - shoot ratio, root growing potential, root water potential, root vessel diameter, etc which express the indexes of wheat root morphology and architecture have significantly changed, but also bleeding sap, root respiratory rate, root plasma membrane permeability, plasmalemma peroxide level, root protective enzymes and its isoenzymes etc which express root physiological indexes have changed correspondingly

    過去進行的研究表明，乾旱脅迫條件下，不僅表達小麥根系形態和構型建成指標的根系數量、根系比表面積、根冠比、根生長勢、根水勢、根導管直徑等發生顯著變化，而且表達根系生理指標的傷流液、根呼吸速率、根系質膜透性、膜脂過氧化水平、保護酶及其同工酶等也發生相應改變。
  12. The contents of this paper include the following several aspects : ( 1 ) a model of the fractures leakage is built through counting and analyzing the wealthy geological records of hae field, and a model of the fracture water transporting is also built according to the fracture water condition of its recharge and its runoff and its discharge in hae field ; ( 2 ) this paper studies the chemical behavior and the migration parameters of the elenent sr2 + in ground water in hae field, the main contents include : the presence form of the element sr in ground water is analyzed by way of the rmodynamics ; the absorption mechanism that granite and sand stone absorbs sr element is analyzed based on theory and experiment test the diffusion parameters of the element sr in water and in granite and in sand stone are researched with laboratory experiment test ; the partition coefficient of sand stone and granite to sr is tested by the batch way

    其研究內容包括以下幾個方面： （ 1 ）通過對我國hae預選處置場豐富地質資料的大量統計和分析，建立了該處置場的基巖裂隙滲透模型。再根據hae預選處置場基巖裂隙水的補給、徑流、排泄條件及水位動態特徵，建立了預選處置場基巖裂隙水水運動模型。 （ 2 ）對高毒性鍶元素在我國hae預選處置場地下水中的化學行為和遷移參數進行系統的研究，其中主要包括運用熱力學方法分析了鍶元素在地下水中的存在形態，利用理論分析與實驗測試相結合的方法分析了花崗巖和砂巖對核素鍶的吸附機制，採用室內實驗裝置研究了核素鍶在地下水中的擴散參數以及在花崗巖和砂巖中的本徵擴散參數，採用靜態批式法研究了鍶在砂巖和花崗巖中的分配系數。
  13. Based on the fractal character of the small watershed topographic feature, the spatial and temporal variation character of sediment yield of the watershed model, the dynamic developing process and fractal character of the topog raphic feature of the watershed model, and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment, fractal theory, high precise photogrammetry and gis technology. the validation research is conducted in chabagou watershed where the observation data of rainfall, sediment and runoff for 11 years is collected. the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield

    本文依據流域地貌形態所具有的顯著分形特徵，從模擬實驗出發，利用分形理論和方法，結合高精度攝影測量和gis技術，對流域模型侵蝕產沙時空變異特徵、地貌形態發育過程及其相應的分形特徵、流域模型侵蝕產沙與地貌形態耦合關系進行了深入研究，並以具有11年降雨泥沙徑流觀測資料的岔巴溝流域為例進行了驗證研究，為實現從單坡面侵蝕產沙模擬、預報向流域侵蝕產沙模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法，為黃土高原小流域水土流失綜合治理提供了科學實踐依據。
  14. It is assumed that model parameters calibrated from measured precipitation - runoff data in a specific period, reflect the situation of land surface and the human activity in that period. firstly, daily data of precipitation, pan evaporation, and discharge in 1960 ' s are used to calibrate the parameters of the xin ' anjiang model. then the parameters calibrated are applied to the computation of daily discharge from 1950 ' s through 1990 ' s, in which daily measured data of precipitation and pan evaporation are taken as the input of the xin ' anjiang model

    這種徑流過程代表下墊面和人類活動水準不變情況下氣候波動對徑流的影響，然後利用計算的長系列徑流過程與實測徑流過程對照，其差別反映下墊面的自然變化過程是十分緩慢的，可以忽略，因此這種差別主要代表了人類活動的影響，從前後期率定水文模型所得參數的差別及參數所代表的物理意義來分析下墊面及人類活動的變化，從而將氣候波動和人類活動對地表水資源影響程度定量分解出來。
  15. Meanwhile, river network analysis tools ( rivertools ) and geographic information system software ( arcview ) are used to display subcatchments and river network extracted from dem data. on the platform of the digital basin built above, the xin ' anjiang model is selected for runoff simulation during the different periods

    在構建數字流域的基礎上運用新安江模型模擬徑流量的方法，對不同時期的實測水文資料進行率定，率定后的模型反應了相應的下墊面及人類活動狀況，利用率定了的模型和實測長系列降水、蒸發資料，模擬計算流量過程。
  16. In addition, several way are adopted to optimize the one dimensional transform architecture. improving the architecture resulting from the standard lifting scheme reduces the critical path delay ; an embedded boundary extension algorithm is adopted instead of the standard symmetric extension and it ’ s easier to implement ; the pipeline technique is adopted to increase the speed of processing ; coefficients of the multipliers are transformed into csd forms and the multiplications are substitute by minimum shift - add operations

    改進了由標準的提升演算法得到的變換結構，減小了關鍵路徑上的延時;採用內嵌的邊界延拓來代替標準的對稱延拓，實現更加簡單;採用流水線技術顯著提高了處理的速度;把乘法器系數表示為csd形式，將常系數乘法優化為最少的移位加操作。
  17. According to the concept of available water supply, the calculation methods about available water supply of the large scale reservoir are studied and the concrete procedures of the long - series regulation method are proposed. through the calculation of the monthly natural runoff every year, water incomes under present engineering status, and the long - series dynamic water usage regulation of the 32 large scale reservoirs in shandong province, available water supply under assurance rates of 50 %, 75 % and 95 % are obtained. according to the analysis of runoff characteristics of each reservoir ( multi - year mean runoff depth and runoff coefficient ), the relationship between water supply incomes under different assurance rates for current year and the year of 2010, the reservoirs with water supply potence are given

    根據對可供水量概念的理解，本文對大型水庫可供水量的計算方法進行了探討，提出了採用長系列調節計算的具體方法；通過對山東省32座大型水庫的歷年逐月天然徑流量、現狀工程情況下來水量、長系列變動用水的調節計算等多個步驟，得出了各水庫50 、 75 、 95三種保證率的可供水量計算成果，並對每個水庫的徑流特性（多年平均徑流深及徑流系數） 、全省大型水庫現狀年及2010年的不同保證率的可供水量與來水量的關系進行了分析與研究；分析提出了具有供水潛力的水庫。
  18. The effects of the conductivity coefficient of adsorbent, heat transfer coefficient of water fluid and diameter of tube on the performances of the system have been analyzed

    在此基礎上分析了吸附床的導熱系數、真空管管徑、冷卻水管側的對流換熱系數對系統cop的影響。
  19. Lesson engineering measure for research mainly from the sloping fields flow recycling potential analysis with gathering the water technique the both side collecting the region ' s rain - storm flood the data, year declining the water year the flow the data and water and soil conservation data, analysis combine intoing the small river valley flood the path comparing coefficient, water and soil conservation not flow coefficient, revising the new concept of deep etc. flow of year path, establishing synthesizing solving the sloping fields flow recycling the potential computing the model, bring upping gathering the water technique is with the

    課題研究主要從坡地徑流資源化潛力分析和集水技術兩方面入手，以典型區域為代表，收集了該地區暴雨洪水資料、年降水年徑流資料及水土保持資料，分析並引入了小流域洪徑比系數、水土保持不產流系數、修正年徑流深等新概念，建立了綜合解決坡地徑流資源化潛力計算模型，提出了集水技術的工程措施和方法。
  20. The results show that the runoff supply of kuitun river basin has the characteristics of perpendicularity and diversification, the runoff supply sources are glaciers thawing water and rainwater firstly and secondly are seasonal snows thawing water and groundwater

    本文採用奎屯河流域各水文站徑流系列資料，選取變差系數、年際極值比、集中度、集中期等參數，分析了奎屯河流域徑流補給特性、來源、年內分配規律及年際變化特徵。
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