high-water level 中文意思是什麼

high-water level 解釋
高潮面
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  • level : n 1 水平儀,水準儀;水準測量。2 水平線,水平面;水平狀態;平面,平地。3 水平,水準;水位;標準;...
  1. Based on 2m contour of surveyed bathymetry from 1976 to 1999 and mean - high - tidal line distracted from remote sensing images acquired by landsat - 5 tm from 1976 to 2000 respectively, quantitative analysis about alluvion and erosion as well as the relationship between accretion of modern yellow river delta and the water and sediment discharge of yellow river is made, and the results indicate the mean - high - tidal level is more effective than 2m contour of the bathymetry. it is found that the accretion of modem yellow river delta is becoming less and less, what ' s more, erosion is even more than alluvion in some recent years. diaokou promontory has been eroded seriously since yellow river changed its course in1976

    以一般高潮線反映現代黃河三角洲沖淤演變時,從1976年黃河改道清水溝流路入海到2000年,整個黃洞三角洲凈造陸201 . 5km ~ 2 ,淤積有逐漸變慢的趨勢,甚至出現凈蝕退的年份;刁口河嘴大量蝕退,蝕退速率開始快速,后來逐漸變慢;清水溝河嘴大量淤積,淤積速率開始迅速,后來逐漸變慢,甚至出現凈蝕退;清水溝河嘴南側到支脈溝一段岸線與刁口河嘴以西到灣灣溝一段岸線基本穩定。
  2. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。
  3. Flow from the high water level to the lower constitutes the inflow or outflow from one basin to another.

    由高水位向低水位流動的水流形成這一盆地向另一盆地的出流和入流。
  4. Abstract : the qiantang estuary with violent hydrodynamic conditions is well known for its tidal bore. the regulation of the estuary in the past, especially the progress since the founding of new china are reviewed. the principles of the regulation and planning of the qiantang estuary formulated in 1960s are expounded, i. e., to narrow the river to reduce the tidal prism, and to increase the ratio of the river flow to tidal discharge. the experience of estuary regulation / reclamation is summarized, especially the engineering measures to protect the groin head and to use polder dykes as sea defense works. finally, the effect is analyzed of the large - scale constraction / reclamation in the estuary on the tides, flooding high water level, estuary bed and the northern deep waterway in the hangzhou bay

    文摘:以涌潮聞名的錢塘江河口,動力強勁,破壞力極大.回顧錢塘江河口歷代治理情況,重點記述1949年以來治理工作的進展,論述60年代提出的錢塘江河口治理規劃的指導思想,即縮窄江道,減少進潮量,增大山潮水比值的整治原則.總結整治規劃實施過程中治江圍塗經驗,特別是「以圍代壩」和丁壩壩頭保護等工程措施.分析錢塘江河口大規模治江圍塗后對錢塘江河口潮汐、洪水位、河床以及杭州灣北岸深槽的影響
  5. ( 8 ) as for the runnel which is located at a karst zone with a high water level, external water load is the main one, and rock pressure is secondary

    門)在巖溶富水區隧道地下水水頭較大時,外水荷載是襯砌結構的主要荷載,圍巖壓力相對來說是次要荷載。
  6. Submersed land area including different utilizing type by sea water are calculated and the potential economic loss and population affected by the submerged disaster are assessed for no defence , different sea - level rise and high water level. furthermore, special topic maps of fatalness of sea level rise, vulnerability of land system, socio - economic and ecological vulnerability, and defending ability are produced. the following results are combined with the basic study cell based on area source model following mathematical models of risk evaluation, considered of defence or no defence

    運用海平面上升災害危險性、土地系統易損性、社會生態經濟易損性和抗災能力的數學模型,在mapinfo軟體下運行,得到該區上述四種評估因子的專題圖;並分別按照考慮抗災能力以及不考慮抗災能力兩種情況,用海平面上升災害風險評估模型融合各因子,得到遼河三角洲(盤錦市)海平面上升災害綜合風險評估圖。
  7. Preliminary study on high water level of cao e river, a hilly, fluvial and macro - tidal estuary

    山溪性可沖性強潮河口曹娥江高水位初步研究
  8. Application of u - type trough structure under interchange approach at high water level in severe cold

    型槽結構在嚴寒高水位下穿立交引道的應用
  9. Highest high water level

    天文潮最高高潮位
  10. Experimentation of sewage pumping station based on predictive control with vvvf is carried out. the experimentation result shows that the sewage pumping station predictive control system can be running under the condition of high water level. by using this control mode, inflow sewage is pumped out entirely

    在模擬研究基礎上,搭建了模擬試驗系統,在實驗室條件下,對污水泵站排放系統進行了結合變頻調速的預測控制模擬試驗,試驗結果表明,採用預測控制,可以使系統運行在高水位低揚程的工況下,使流入泵站管網的污水等量排出,實現了節能無污的控制目標。
  11. For example, when the design flow of upward of the peace bridge of upward of the east - one main canal is 45m3 / s, the actual flow quantity is 23. 8m3 / s on the 30th of september in 1989, the water level of the transition region terminal of the mouth of hao wan flume of the east - one main canal had gained the design level of 4. 3m, and the level between downstream and shang tian yuan tunnel was generally higher. it says that the actual discharge capacity now is only about 24m3 / s which is half of the design value. this not only make the benefit of the irrigation district abnormal, but also greatly hinder the economic development of the irrigation district, and lead to the canal run frequently at small flow, high water level, lengthen the discharge duration

    如東一乾渠上段太平橋以上設計流量45m ~ 3 s , 1989年9月30日實測通水流量23 . 8m ~ 3 s時,東一乾渠郝灣渡槽出口漸變段末端水位已達到設計水位4 . 3m ,其下游至上天院隧洞水位也普遍偏高,即東一乾渠上段目前僅能通過流量24m ~ 3 s左右,只有設計值的50左右,不僅使灌區效益得不到正常發揮,嚴重阻礙了灌區范圍內的經濟發展,而且使渠道經常處于小流量、高水位運行,延長了次通水時間,大大增加了渠道工程的安全管理難度。
  12. These mean images reveal not only the synoptic cloud systems but also the mesoscale convective cloud cluster. the long - term high water level of mid - yangtze river and the frequent flood peak of the upper yangtze river from the middle of june to the middle of august in 1998 was caused by the high frequent activity of convection

    旬月和季平均雲圖表明,長江上游從6月中旬開始到8月中旬長達兩個多月對流的頻繁發生是「 98洪水」長江上游洪峰多,中游高水位維持時間長的重要原因。
  13. For example, the condenser algorithm considered the trouble condition such as the leak of tube, fail of seal in vacuum system, the lower shaft sea - ting steam pressure, pollute of tube, the high water level of hot - well. the heater algorithm considered the trouble condition such as the leak, pollute of feed - water pipe and high water level of heater

    如凝汽器演算法考慮了銅管泄漏、真空系統密封不嚴、軸封蒸汽壓力低、銅管結垢污染、熱井水位過高等故障項目,加熱器演算法考慮了給水管道泄漏、給水管道污染、結垢、加熱器水位過高等故障項目。
  14. The correlations between the tide level of coast tidal gauge stations and the tide level of offshore sand ridges, and between mean high water level and mean water level as well as mean sea - level were discussed when studying the tidal gauge records

    在潮位資料的分析過程中還探討了沿岸驗潮站與岸外沙洲潮位的相關性以及平均潮位、平均高潮位和平均海平面之間的相關關系。
  15. Based on the information entropy theory and fuzzy matter - element theory, an information entropy fuzzy matter - element model for normal high water level of reservoirs is described

    摘要基於信息熵理論和模糊物元分析理論,探討了水庫正常高水位的熵模糊物元決策模型。
  16. Such a rise shortens the return period of high water level by half, that is, a high water level with a return period of 50 years would have a return period of about 25 years after the rise in the mean sea level.

    楊繼興說:維多利亞港的海平面在過去五十年上升了0 . 12米,這個升幅會使最高水位的重現周期縮短約一半。即是說,原本重現周期是五十年的水位,在海平面升高后的重現周期會是大約二十五年。
  17. After analyzing, the author got the basic character of tidal flat hydrodynamic : the time of flooding on bare flat and ebbing is basically the same and the time of flooding on pioneer zone of salt marsh is a little short ; the process curve of current speed on bare flat did not appear peak value on the beginning of flooding and at the end of ebbing but presented double peak, that is, it presented double peak in winter and spring and ebbing peak value disappeared in summer and autumn, salt marsh presented single peak character in a year and the process curve in tidal creek presented double peak ; all current direction on every spot presented gyration current and the current speed changed rapidly during the high water level without obvious slack water period

    分析得到了潮灘水動力基本特徵:光灘水位漲潮和落潮時間基本相等,而鹽沼前緣帶水位漲潮時間略短;光灘流速過程線在漲潮初和落潮末出現峰值,呈現「雙峰型」特徵,鹽沼前緣帶則冬、春季節呈現「雙峰型」 ,夏、秋季節落潮峰值消失,鹽沼帶四季呈現單峰特徵,潮溝內過程線為「雙峰型」 ;各測點流向均呈現回轉流特徵,在高水位時流向迅速改變,不存在明顯的憩流。
  18. The analysis result shows that the shear - slipping collapse of high arch dam is caused by the flood of high water level and strong surging force resulted from upstream dam bursting and large - scale mountain land - slide

    研究表明,上游潰壩和大面積山體滑坡等產生的高水位、強沖力的洪水是造成高拱壩剪滑垮壩的原因。
  19. Such a rise shortens the return period of high water level by half, that is, a high water level with a return period of 50 years would have a return period of about 25 years after the rise in the mean sea level. " nevertheless, as the effects of storm surges and long term sea level rise have been taken into consideration in the design of coastal projects, it is unlikely that the sea level will pose a threat to hong kong in the near future

    12米,這個升幅會使最高水位的重現周期縮短約一半。即是說,原本重現周期是五十年的水位,在海平面升高后的重現周期會是大約二十五年。雖然如此,由於香港的海岸工程在設計時已考慮了風暴潮效應及海平面可能會上升,相信在未來一段時間內香港的海面高度仍不會對香港構成威脅。
  20. Flood in china has several characteristics as follows : the distributing area is far and wide, the frequency is high, the relationship between " flood " and " waterlog " is severe, the duration time of high water level in the river is enlarged and the losses is huge

    我國的洪水災害具有分佈范圍廣、發生頻繁、防洪和排澇矛盾突出、河道高水位行洪歷時長、水災損失大、受洪水威脅人口多等特點。
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