河流總數 的英文怎麼說

中文拼音 [héliúzǒngshǔ]
河流總數 英文
number of streams
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 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...
  • 總 : Ⅰ動詞（總括; 匯集） assemble; gather; put together; sum up Ⅱ形容詞1 （全部的; 全面的） general; o...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 河流 : rivers; stream
  1. To avoid the retardation of flood water, improve the discharging conditions and reduce flooding frequency and flowage damage on flood retarding basins, huai river commission made a decision to adjust and regulate the middle courses of huai river. the authorial thesis is based on the main part of huai river flood - protection planning, i. e., the flood - protection planning of huai rivers middle courses. author of thesis participated in the drawing up and the administrating of the plan

    為了擺脫中、小洪水行洪不暢，減少行、蓄洪區在中、小洪水條件下的行洪機遇，淮河水利委員會在淮河流域總體防洪規劃中，決定重點解決淮干中遊河道防洪問題，論文作者親自參與制定了淮河中、上遊河道防洪規劃制定工作，並組織、領導規劃中各項骨幹工程的施工建設，前後數年之久。
  2. Also to get some new conclusion of glacial lakes burst floods, in possibility study of glacial lake burst, and in qualitified study of the safety of the glacial lakes. the first character of this paper introduce the background of this paper, set the goal, content and methodlogy of the study work in this paper. the second chapter of this paper focuses on the meterological character, runoff composition character, why not correspondency of ratio of rainfall and runoff in same period to annual value for nianchu river, lasha river, niyang river and the middle reach of yalu - zangbu river

    本文第一章介紹了課題的研究背景，提出了研究目標、內容和方法；第二章重點分析了年楚河、拉薩河、尼洋河和雅魯藏布江幹流中游段的氣候特徵，徑流組成特性，同期降水、徑流占年總量比例的不對應特性和原因，徑流年內年際變化規律及徑流深分佈特性，分析了天然洪水的特點和洪水參數；第三章介紹了冰川終磧湖的特點，結合已經發生潰決的冰川終磧湖的有關調查資料和考察資料，分析提出了危險冰湖判別指標和發生潰決的氣候條件、周期性特徵，提出了冰湖潰決洪水的計算途徑。
  3. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  4. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  5. Water quality of the middle and small creeks in xianghuaqiao town, suburban shanghai has been monitored for more than one year. it indicates that : ( 1 ) the creeks are under heavy eutropic condition, with high loadings of nitrogen, phosphorus and organic pollutants

    結果表明： （ 1 ）上海郊區中小河流氮磷和有機污染十分突出，河流表層水凱氏氮、總磷和cod _ （ cr ）指標均數倍于類水的最大允許值。
  6. After analyzing the situation and influences of river shipping in jiangsu province, with qualitative and quantitative analysis methods, this paper forecasts the following contents, including the whole cargo transportation lord, the cargo transportation volume, the main bulk cargo volume and the main waterway volume in jiangsu. the final result is the theory basis of jiangsu river shipping strategy research

    本文通過對江蘇省內河航運業發展的實際情況和影響因素分析，運用定性和定量的預測方法，對江蘇省未來內河貨運總量（貨運量、貨運周轉量）發展趨勢以及貨流情況做出預測，為江蘇省內河航運合理定位和發展戰略的制定提供必要的數據和理論依據。
  7. Population in the region has nearly tripled since the 1950s

    自上世紀50年代以來，黃河流域的人口總數已增加三倍。
  8. Readings from a network of more than 70 automatic rain - gauges covering the whole of the special administrative region are telemetered to the observatory headquarters to provide real - time information essential for assessing the likelihood of flooding and landslips. water - level information from the northern part of the new territories is also similarly relayed to the observatory for real - time monitoring of floods in these areas

    一個由超過70個分佈於香港境內的自動雨量器所組成的網路，將最新的雨量數據傳送到天文臺總部，即時提供評估水浸及山泥傾瀉可能性的重要資料。此外，新界北部河流的水位資料亦傳送至天文臺總部以實時監測該區的水浸情況。
  9. On the basis of previous studies, the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river, highlighting four issues : 1 the influence of the sediment on pollutant behavier, 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river, 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river, 4 the influence of sediment ? ? containing much carbonates in the yellow river on the water quality and the monitoring of the water quality

    黃河是世界上罕見的多泥沙河流，泥沙與水相互作用對黃河水質產生顯著影響。根據以往研究工作，對黃河泥沙與水質的關系問題作全面的總結評述和展望，著重於4個問題： 1黃河泥沙對污染物行為的影響2黃河泥沙中的天然有機質與黃河耗氧有機物水質參數的關系和對污染評價的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質參數的關系和對污染評價的影響4黃河泥沙中的碳酸鹽對水質和對水質監測研究的影響。
  10. On the basis of previous studies, the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river, highlighting four issues : 1 the influence of the sediment on pollutant behavier, 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river, 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river, 4 the influence of sedimentcontaining much carbonates in the yellow river on the water quality and the monitoring of the water quality

    黃河是世界上罕見的多泥沙河流，泥沙與水相互作用對黃河水質產生顯著影響。根據以往研究工作，對黃河泥沙與水質的關系問題作全面的總結評述和展望，著重於4個問題： 1黃河泥沙對污染物行為的影響2黃河泥沙中的天然有機質與黃河耗氧有機物水質參數的關系和對污染評價的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質參數的關系和對污染評價的影響4黃河泥沙中的碳酸鹽對水質和對水質監測研究的影響。
  11. The telemetric monitor measured and logged six physical water quality parameters at short intervals, and then transmitted this data to the epd offices via a phone line the trial revealed a number of problems

    河水由站內的水泵抽起流經遙測監測器，每隔一段短時間測量和記錄六項物理水質參數，並透過電話線將數據傳送至環保署總部。
  12. The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious

    結果表明，近期隨著水沙條件、潼關高程等的變化及工農業的發展，渭河的水環境發生了巨大變化，表現在年水量及汛期水量銳減；大流量級水流出現次數減少，水量減少幅度大；年輸沙量總體減少，河水含沙量增大，泥沙淤積嚴重；河道向擺動型發展，河道萎縮，河勢惡化；大洪水發生的次數顯著減少，高含沙小洪水明顯增多；同流量洪水位普遍抬高，洪災發生次數增加，洪災加重；水質污染極為嚴重。
  13. This thesis concludes the flood control situation, engineering measures and the situation of optimal dispatch method. it studies flood control engineering system, which is composed of flood prevention reservoir, river course dyke and natural detention basin, and the relationship between various flood engineering measures according to the composition and characteristics of the flood control engineering of the middle - lower reaches of beijiang. it suggests the objective function based on the least flood loss and the optimal dispatch strategy structure of the middle - lower reaches of beijiang bound with the requirements of the flood gradual progress equation combined with hydrology and hydraulics

    本論文總結了我國防洪情勢、防洪工程措施及其優化調度方法研究的現狀；針對珠江流域北江中下游防洪體系的組成及其防洪工程的特性，研究由防洪水庫、河道堤防和天然滯洪區共同組成的防洪工程體系中各防洪工程措施之間的關系；提出了以洪災損失最小為目標函數、以水文學和水力學相結合的洪水演進方程等要求為約束條件的北江中下游防洪體系優化調度策略框架。
  14. Secondly, by means of arranging and analyzing the construction monitor data, the practicality method of proposing the dewatering calculation model and parameters of the non - constantly pumping dewatering well was proposed, moreover the equivalent calculation model and parameters of the erhe project was proposed. thirdly, based on calculating the design scheme of dewatering well with the equivalent calculation model, the optimized scheme of dewatering well of the erhe project was proposed and the well number was reduced to 32 where it was 42 in the old scheme. at last, based on the well construction, the dewatering well structure and constructing technique in the soft soil area were exploited in addition, the significative analysis and evaluation attitudes to the old design scheme of dewatering well project were impersonally proposed

    首先，根據工程地質及水文地質條件和工期分析，提出了「二河」降水井的設計方案；其次，通過系統整理分析抽水井的施工監測記錄，提出了用降水井的施工監測確定非定常抽水降水井井流模型和參數的實用方法，並建立和確定了「二河」降水井非定常抽水、有越流的完整潛水井等效模型和參數；接著，通過用等效井流模型進行降水井方案的計算，提出了「二河」降水井的優化方案，使原方案的42眼井降到32眼井；最後，通過對降水井成井施工實踐的總結，開發了適于軟土區的降水井結構和成井施工技術。
  15. Lofty ailao mountain and torrential red river in yunnan province nurture an ancient and hardworking ethnic group - hani minority

    巍巍綿延的哀牢山，奔流不息的紅河水，養育著雲南省世居總人口位居前三甲的少數民族之一的哈尼族。
  16. In addition to, we summed the results of fields outcrop and fluvial engineering, established the geological thesaurus. ration the different type of fluvial channels shape parameters. then matched the logging interpretation model of shaliness. porosity unit, permeate ratio and hydrocarbon saturation originality, because using the measure of multianalysis and network. the precision is higher than the result of onventionality, so laid the fundation of knowing the characterof reservoir

    此外，總結了國內外野外露頭及河流工程的研究成果，建立了研究區的地質知識庫，初步量化了不同類型河道的形態參數。還建立了不同類型河道的泥質含量、孔隙度、滲透率、原始含油飽和度的測井解釋模型，由於引入了多元擬合及人工智慧神經網路等手段，其計算精度高於常規解釋結果，為精細分析儲層內部性質奠定了基礎。
  17. On the base of summarizing the results, the law of vertical turbulent mixing and transportation in the natural river is researched and applied in numerical model through the theoretical derivation combined with analysis of the data of measurement in this dissertation

    本文在總結分析前人研究成果的基礎上，通過理論推導、現場資料分析和數值模擬相結合的方法，著重研究天然河流中物質的垂向紊動混合、輸移的基本規律，並將這些規律運用於數學模型的數值計算中。
  18. It was first to derive the control equations of numerical models based on the past relevant achievements, and the common numerical - computation methods were introduced and compared after that 1 - d and 2 - d models were both applied according to the condition of the problems. the 1 - d model program was the floris that have been broadly used to model networks of river, and the 2 - d model used fasttabs, a good visualized program package suitable for modeling the shallow waters

    在總結前人成果的基礎上，論文首先推導了水流數學模型的基本方程，然後介紹和比較了常用的幾種數值計算方法，根據所研究問題的特點，決定採用一維水流數學模型和二維淺水模型聯合計算模式，其中一維模型採用的是已被廣泛運用於河網計算的數學模型程序floris ，而二維模型採用的是可視化的程序包fasttabs 。
  19. On basis of database and network technology and posc international standards, the overall design of exploration database in liaohe oilfield is developed using epientre exploration data model and internationally prevailing three - layer architecture

    遼河油田勘探數據庫總體設計以數據庫技術和網路技術為基礎，按照posc國際標準，採用epicentre勘探數據模型和國際流行的三層體系結構進行開發。
  20. The monitoring hydro - data of 8 sections from fudedian to zhaoquanhe along the main stream of liaohe river are collected and analyzed. the nemero indexes for the water pollution of liaohe river are calculated and illustrated in diagrams. the results show that the principals of the spatial - temporal cod level changes in the main stream of liaohe river. also, two obvious characteristics of cod pollution are found out : the absolute cod level is very high in this river ; the ratio of cod bod is significantly higher than average. and the phenomena are explained in detail in this paper from multiple aspects such as industrial point pollution, soil and water losses, municipal sewage, agricultural water pollution and etc, based on the relationship analysis between cod, ss and water quality parameters

    對遼河幹流從福德店到趙圈河8個斷面的水質監測數據進行統計分析，計算得出遼河幹流水體污染的內梅羅指數，並以圖表形式揭示了遼河幹流cod時空變化的規律，總結出了遼河cod污染的兩個主要特點： 1 cod絕對值高2 cod bod相對比值也明顯偏高。通過對cod與ss cod與水質參數的相關性分析，從工業點源水土流失面源城市生活污水及農業用水等方面的污染解釋了上述特點。
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