水面比降 的英文怎麼說

中文拼音 [shuǐmiànbǐjiàng]
水面比降 英文
slope of water surface
  • 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...
  • 面 : 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...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 水面 : the surface of the water; table水面操縱 surface manoeuvering; 水面導航 surface navigation; 水面發...
  1. It is as follows : the overlay of endowment insurance is narrow, the most individual indust - - ries, the private enterprise and non - agriculture persons still have not brought into the current endowment insurance system ; the levy level descends, the phenomenon of arrearage still cannot be forbidden ; the level of orchestration is low and lack of adjustment necessarily ; " the difference in amount appropriates different insurance fee " the problem still exists ; the retirement age is so early " the phenomenon of reti - - rement in advance is more serious ; the degree of socialization is low, the onus of the state - owned enterprise is overweight and so on

    主要表現在；養老保險覆蓋面窄，大多數個體工商戶和私營企業以及非農業人員還沒有那入到現行的養老保險體系；征繳水平下降，欠費現象屢禁不止；統籌層次低，缺乏必要的調劑； 「差額繳撥」問題依然存在；退休年齡鍋灶， 「提前退休」現象比較嚴重；社會化程度低，國有企業負擔過重等諸多方面。
  2. ( 4 ) the maximum water quantity becomes greater, the better is the filtering bed permeability, the higher the river hydraulic conductance, the higher the river level, the larger the water - collecting area and the bigger the distance between collecting pipes. the water quantity varies directly with drawdown

    （ 4 ）濾床的滲透性能越好，河床水力傳導系數越高，河水水位越高，取水面積越大，取水管之間的間距越大，則最大取水量越大；水位降深與取水量成正比關系。
  3. In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

    本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  4. As a practical application, the safety situation of jiujiang dike under the 1998 pluvial condition of once a hundred years in yangtze river has been evaluated by the reliability method from the point view of the seepage stability in terms of probability analysis and two dimensional saturated seepage finite element analysis combining with the mechanism of seepage burst in jiujiang dike summarized in the thesis

    通過滲流有限元和滲流可靠性分析論證了1998長江流域特大洪水災害中九江市防護大堤發生的嚴重潰口破壞的滲流破壞機理。分析、比較得出結論：堤防下游坡腳的出逸比降接近和超過臨界比降，在1998年長江百年一遇的洪水條件下九江大堤潰口斷面的抗滲可靠性僅在55左右的非常低水平。
  5. It was specially pointed out that, when the tail water is constant maximum tide, the computed flood surface is higher than that of nonsteady current, so there is some safety superelevation. underestimation of the roughness will make downward bias to compute along - river surface and bring hidden trouble for flood control. to improve the section can decrease the water level or offset the water rise for increase of floodplains " roughness, but it need much engineering works

    特別提出，按照恆定流計算出來的設計水位比非恆定水位具有一定的安全儲備；而對于灘地糙率的低估又會造成設計水位的偏低，給防洪工作帶來隱患；如果利用改進斷面形式來降低水位或彌補糙率增加帶來的水位抬高，需要較大的工程量，所以平時應注意灘面的減糙管理工作。
  6. The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano

    影響喀斯特流域枯水徑流的因素異常復雜，其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上，採用人工神經網路技術，結合傳統的統計方法，研究貴州高原上喀斯特流域的枯水徑流規律。
  7. The modified copolymer solution has lower surface tension than the unmodified one. by measuring adsorptive content, we find that the adsorptive content of fdn superplasticizer is higher than the modified copolymers, but their adsorptive shape on the surface of the cement particles is different. measuring of potential of cement particle indicated that higher potential leads to better dispersibility for used superplasticizer

    通過對減水劑的表面張力、吸附量、 5電位研究，發現改性后的減水劑均比未改性的共聚物更能降低水的表面張力；茶系減水劑比合成的減水劑具有更大的飽和吸附量，但彼此的在水泥顆粒表面的吸附形態並不相同：減水劑一水一水泥體系具有雙電層，加了減水劑的水泥膠粒的電負性顯著增加，改性后產物的負電性與改性前相比明顯增加。
  8. The statistics show that the correlation of antecedent precipitation, lithology, landform, drainage density, drainage area, length and ratio of demotion of main river and four characteristics of low flow is very complex

    統計結果表明：流域的枯季前期降水、巖性、地貌、流域面積、河網密度、主河道長度及其比降等因子與喀斯特流域的枯水四特徵的相關關系異常復雜。
  9. Uk data highlights for next week include leading indicators on monday, which are likely to show minor declines, while cpi and rpi data on tuesday could stir the inflation waters again if results are significantly above expectations of + 0. 4 % mom

    英國本周的焦點為周一發布的領先經濟指標，預測將有較小幅度的下降，如果周二發布的消費者價格指數及零售價格指數比預期+ 0 . 4 % （月率）有顯著增長，那麼通貨膨脹問題將再次浮出水面。
  10. The conclusions are as follows : ( 1 ) the compose of rpc has an effect on the bond behavior between cfrp bars and rpc : the bond strength between cfrp bars and rpc will increase with the decrease of water to cement ratio, but doesn ’ t obviously ; the adding of steel fiber can improve the bond behavior between cfrp bars and rpc significantly, but steel fiber will also effect the workability of rpc, consider the bond behavior and economy, the content of steel fiber should be 2 % ;. silica fume can improve the bond strength between cfrp bar and rpc, but the bond strength isn ’ t in proportion to the content of silica fume, in this experiment, the optimal content of silica fume is 0. 25 to 0. 35

    試驗研究得到如下結果: （ 1 ） rpc的材料組成對rpc與cfrp筋粘結強度的影響: cfrp筋與活性粉末混凝土的粘結強度隨著水膠比的降低而提高，但是提高的幅度並不明顯;鋼纖維的摻入，可以顯著提高cfrp筋與rpc的粘結強度，但是鋼纖維的增強效果與摻量並不是線性增加的關系，從綜合經濟性及粘結強度兩方面考慮，鋼纖維的最佳摻量為2 % ;摻入硅灰有利於改善粘結性能，但其摻量有一最佳范圍，在本次試驗中，硅灰的最佳摻量為0 . 25 0 . 35 。
  11. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    （ 2 ）採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗，通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析，闡明了時間變態引起上述各種水力參數偏離的主要物理原因：模型的槽蓄響應和洪水過程時間變化率的響應滯后。
  12. The result show that the position of free surface is higher because of frusta of brake, especial obvious in the head of frusta of brake ; flux coefficient and pressure on dam are quite influenced by type of frusta and 3 a type frusta of brake relative to 2 type frusta of brake has bigger flux coefficient and smaller pressure on dam ; obvious influence of ability of discharge flow for different ratio of thickness of frusta and breadth of brake and pressure on dam reduces with increasing ration of thickness of frusta and breadth of brake, while bigger flux coefficient is obtained when tlb = 0. 2

    結果表明，閘墩河海大學博士論文的存在抬高了水面線的位置，其中在閘墩頭部尤其明顯;墩型對流量系數和壩面壓力影響較大， 3a型閘墩相對於2型閘墩具有更大的流量系數和更小的壩面壓力:不同的墩厚閘寬比t / b對泄流能力也將產生顯著的影響，隨著墩厚閘寬比的增加，壩面壓力降低，而當t / b二0 . 2時溢流壩具有更大的流量系數。
  13. Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed

    文摘:採用正交曲線坐標系下的河道平面二維數學模型，研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律，預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響，並對格形開挖和平整開挖方案進行了比較分析
  14. It shows that the water level in the definite reach is lower than that with same discharges before dredging river, the surface slope on upper reaches dredged is enlarged and deposition load on bed is reduced or eroded

    主要表現在可以引起一定范圍河段內的水位較挖河前同流量下有所降低，開挖上遊河段水面比降增大，床面淤積量有所減少或發生沖刷。
  15. The integrated study of heavy mineral, palaeocurrent direction, and sedimentary facies distribution has disclosed that the detritus are derived chiefly from the southeast and east - northeast during the deposition of the yanchang formation in the late triassic. the variations in the palaeocurrent directions have consequences for the development and distribution of the sequence stratigraphy and sedimentary facies of the yanchang formation. the major and trace element analyses of the mudstones from the yanchang formation also show that the lake waters would be freshened to brackish

    初次通過泥巖常、微量元素測試資料和沉積學分析得出，延長期富縣探區湖泊水體屬于淡水-微鹹水，微量元素含量及其比值在剖面上的變化對延長期湖平面升降和氣候的演變具有良好的響應，湖平面升降、氣候演變對層序地層的發育有著直觀而又重要的影響。
  16. The width of main channel would influence the water level rising rate greatly in flood events. when the discharges in main channel increased to 8000 m ' / s from 3000 m3 / s the water rising amplitude at hydrometer stations in the lower yellow river was correlative well with the exponent ( - 0. 65 ) of main channel width and the exponent ( - 0. 33 ) of river longitudinal slope

    洪水期主槽寬度對水位漲率有較大影響，主槽流量從3000m ~ 3 s增大到8000m ~ 3 s時，下游各水文站斷面水位的抬升幅度與主槽寬度的（ - 0 . 65 ）次方和河道縱比降的（ - 0 . 33 ）次方具有較好的相關關系。
  17. Considering the joint operation of the three gorges and gezhouba hydropower stations, influences of the daily regulation planning of the hydropower stations on the water surface slope of the downstream reach of the three gorges reservoir are studied

    ?結合三峽和葛洲壩兩電站聯合運行的實際情況，研究了調節方案對三峽水庫下遊河道水面比降的影響。
  18. The purpose of this paper is to find out the characteristics of corporate restructuring and reorganizations under the background of strengthened supervision and improved accounting standards in 2001. using financial data on chinese public firms that had performed restructurings in 2001, this paper studies the impact of restructuring activities on firms " performance. it finds that performance of sample companies are better than the market average both before and after restructuring, but financial ratios does not improve obviously, what ' s more, the roe ratios even drop generally, which are very different from the characteristics during the past few years

    本文採用以財務數據為基礎進行評價的方法，對2001年上市公司資產重組進行研究發現，從資產重組的方式來看，收購兼并所佔比重最高，業績較好的公司偏向于選擇這種重組方式，而資產置換、股權轉讓仍為績差公司所青睞；從重組前後財務指標的變化來看，重組公司表現優於市場平均水平，但與往年重組公司當年業績即得到明顯提升不同， 2001年重組公司財務指標並未得到顯著提高，凈資產收益率更是全面下降，統計對比不支持上市公司利用資產重組調節公司績效的觀點。
  19. ( 2 ) the results of the rainfall - affected runoff scouring experiments in lab. when the rainfall intensity was less than l. omm / min, the soil erosion caused by the combination of rainfall and the upslope runoff was more than that caused by only the simulated rainfall. when the rainfall intensity was more than 2. 0mm / min, the upslope runoff strengthened the effect of the runoff yielded in the local area on the dyke slope surface, and the effect increased with an increase of rainfall intensity

    2 、室內模擬降雨+放水沖刷試驗結果雨強小（如i 1 . 0mm min ）時，上游注入水量對戧坡侵蝕作用比降雨在戧坡上所產生徑流的侵蝕大；雨強大時（ i 2 . 0mm min ） ，上游水量下泄與當地降雨徑流一起增強對戧坡面的侵蝕作用，雨強越大，侵蝕作用也越大。
  20. Test results show that the water surface slope, velocity and ratio of water depth to draft are the main influencing factors of ships ascending rapids

    試驗結果表明，灘段的水面比降、水流速度及船舶水深吃水比是船舶上灘的主要影響因素。
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