水位線法 的英文怎麼說

中文拼音 [shuǐwèixiàn]
水位線法 英文
water line method
  • : 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...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • 水位 : stage; water level
  1. Some ideas about three - gorge reservoir bottom clearage under the water level

    庫底清理的一些看
  2. So this article analyses deeply in the method of ensur ' my designing food rolume which is an important element to affect the " designimy height of bridge " it brings forward an " arverage optiminmy suiting line " method which is a bondage discommode series at the same time it puts forward a ensurmy principle for rough coefficient " and " fallimy flood proportion which are both suitable to heilongjiang province at last this article introduces the " three - days rainimy rolume " method

    本文立足於黑龍江省各種河流的洪特點,結合以往工程實際,對影響跨河橋梁設計高度的主要因素? ?設計洪流量及其相應洪的確定方加以詳細分析。提出有約束不連序系列的加權優化適及適合於黑龍江省的河流粗糙系數和洪比降的確定原則,並介紹了三日降雨量
  3. By using the yearly data of water - sand that is gotten by a couple of adjacent hydrologic station in yellow river lower reaches, this paper makes use of kinds of math methods looking for the nonlinear disturbance among all of the factors, and introduces the thinking of analysis, logic, conclusion, inference, and random to nonlinear hydrologic forecasting. it realizes the valid approximation of the water level process in erodible - bed channel

    本文選擇黃河下游兩對相鄰文站多年沙資料,藉助多種數學方尋找其中的非性擾動項,將隨機數學中分析、邏輯、歸納、演繹、隨機的思考問題方式引入到非文預報中,實現沖淤河道相應過程的有效擬合。
  4. 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沙因素,及僅用沙因素有效研究的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應過程數據中含極強的非性關系,本論文經細致的理論分析,將基本的非性分析方、統計建模方、隨機分析理論、最小均方誤差原則等等數學理論及方有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選,並改進了統計學中多因子(三個以上)方差分析;再次,將這一方用於黃河中高及中低含沙類洪相應過程的擬合,實現了這一典型非性關系的高精度擬合,各年汛期上下游相應洪過程的擬合誤差都較小;最後,明確黃河下游含沙量對的主要影響方式,即含沙量主要是與其它因素聯合對作用;另外分析了要實現變動河床洪過程準確預報的困難所在及改進方向。
  5. Study on the arithmetic of automatically drawing isoline of groundwater level based on gis

    的地下等值圖自動生成演算研究
  6. Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level

    本文首先闡述了我國資源狀況和旱災害、說明庫汛期限制動態控制研究的必要性;介紹了傳統汛限設計、汛限靜態控制、模糊汛限過程存在的問題及其初步改進方;分析汛期限制動態控制的方及關鍵問題;進一步闡述了庫極限風險率的定義;根據極限風險率定義,詳細敘述了不同極限風險指標時、不同汛期限制下起調,庫所能承受的極限風險率計算方。然後,基於極限風險率計算方,以白石庫為背景,研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛限動態控制的極限風險率」 。
  7. The fundamental ideas and methods of this paper are also illuminated in this chapter. in chapter two, a one - dimensional and semi - closed shallow sea mode is studied. the approximate analytical expressions of the water level at the top of the bay induced by the nonlinear interaction between the storm surges and the astronomical tides are obtained by using the perturbation method

    在第二章里,研究了一維半封閉域中的非定常風暴潮與天文潮非性相互作用的問題,用攝動方求出了具有實際意義的海灣頂部增的一階近似解析表達式,並給出了增過程曲
  8. The value of correction coefficient of kinetic energy increases as a result. the water surface profiles of flume experiments are computed by three different methods : adjusting the local head loss coefficient, deduction of backwater area, and application of backwater expression

    隨后結合實測資料,通過採用調整局部頭損失系數、扣除回面積以及壅公式等不同的面曲計算方對實驗槽一維面曲進行計算。
  9. All the methods can calculate the flood based on the storm data. the software can be used in henan province. additionally, the rational formula method and the plain drainage method can be used in other regions near henan province, even farther regions

    軟體包括推理公式、單、平原排澇公式三種由暴雨資料推求設計洪的計算方,除了適用於河南省中小流域設計洪外,推理公式演算、平原區排澇公式演算也可在鄰近省市和更大的范圍內推廣使用。
  10. Water line method

    水位線法
  11. Application of the algorithm for different observed head data sets indicate that the model can be successfully applied for aquifer systems where data available may be sparse and with errors. calculated groundwater heads by identification results in fourteen parameter areas are fit for observed heads in field, and flowing filed is similar. the study demonstrates the effectiveness of the ga global optimization model for parameter identification, which is an important step towards real system simulation and effective planning and management of groundwater resources

    通過算例研究,表明上述演算可行,且rbf神經網路方和退火遺傳演算對地下系統參數的識別效果都較好,而退火遺傳演算較之標準的遺傳演算具有更好的收斂性將演算應用到北京市密懷順地區,在收集、分析研究區資料基礎上,建立了北京市密懷順平原區地下模擬模型,並用遺傳演算進行了地下系統參數識別,在十四個分區情況下,計算與實際擬合的較好,各應力期末的計算與實測等基本一致,表明該識別值較為合理。
  12. After the reservoir sluices, the national highway 213 in this area will be submerged. so the national highway 213will increase its elevation to about 920 meters. in order to estimate the influence of the slope - sliding and bank - collapsing which caused by the reservoir sluices to the elevated highway, and to estimate possible emigration problem, stability analysis of landslide body no. l, 2, and 3 in i, ii area which located in bank accumulation body of zipingpu reservoir in national highway 213 is made by transfer coefficient method and 2 - d 3 - d fem in this paper

    紫坪鋪庫正常蓄高程877m ,庫蓄后將淹沒該段現國道213,因此國道213將改抬高至920m高程附近,為正確評價因庫蓄造成的滑坡、塌岸對改公路的影響,以及可能產生的移民問題,本文用傳遞系數和二維、三維有限元方對有可能失穩的213國道紫坪鋪庫區庫岸堆積體、區的1號、 2號、 3號滑坡體進行了穩定性分析。
  13. Definition of shoal regulation level and width of alluvial rivers

    沙卵石淺灘整治及整治寬度確定方的研究
  14. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下機系統硬體和軟體,開發了上機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方來進行測量,分別是旋轉編碼器、液壓力傳感器和可變電阻器;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總系統的關系,並完成了程序設計;與上機的通信介面設計,該部分通過兩種方實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  15. ( 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進行了有關時間變態率的系列試驗,通過模型、比降、流速、出口流量過程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力參數偏離的主要物理原因:模型的槽蓄響應和洪過程時間變化率的響應滯后。
  16. Abstract : this paper describes the principle and the methed of the telecontrol system of water - level monitoring, which realizes the autom atic measurement of the water - level, transmitting of water - level signals by ra dio, and water - level display and preset - point alarm by use of microcomputer co ntrol technique

    文摘:主要闡述了遙控監測系統的工作原理及實現方.該系統能進行貯的自動檢測、信號的無傳輸,並能藉助微機控制實現的顯示和定點報警
  17. Located over an area of about seven hectares in the north part of changchunyuan, xiyanglou is china ' s first replica european - style garden, consisting of over ten western - style palaces and yards, such as xieqiqu ( harmonious wonder ), huanghuazhen ( labyrinth ), yangquelong ( aviary ), fangwaiguan ( belvedere ), haiyantang ( hall of national peace ), yuanyingguan ( immense ocean observatory ), dashuifa ( grand waterworks ), guan shuifa ( throne for viewing the waterworks ), and xianfashan ( hell of perspective )

    西洋樓景區:於長春園北界,是我國首次仿建的一座歐式園林,由諧奇趣、黃花陣、養雀籠、方外觀、海晏堂、遠瀛觀、大、觀山、畫等十余座西式建築和庭院組成,佔地約7公頃。
  18. Located over an area of about seven hectares in the north part of changchunyuan, xiyanglou is china ' s first replica european - style garden, consisting of over ten western - style palaces _ and _ yards, such as xieqiqu ( harmonious wonder ), huanghuazhen ( labyrinth ), yangquelong ( aviary ), fangwaiguan ( belvedere ), haiyantang ( hall of national peace ), yuanyingguan ( immense ocean observatory ), dashuifa ( grand waterworks ), guan shuifa ( throne for viewing the waterworks ), _ and _ xianfashan ( hell of perspective )

    於長春園北界,是我國首次仿建的一座歐式園林,由諧奇趣、黃花陣、養雀籠、方外觀、海晏堂、遠瀛觀、大、觀山、畫等十余座西式建築和庭院組成,佔地約7公頃。
  19. In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc

    文中,比較分析了現有的多種離手動調節流量平衡的方,在輪機pid調速器的基礎上,針對轉槳泵設計了兩種新型調節器,通過改變轉槳泵的葉片安放角,分別能對泵站前池和泵的輸出流量進行自動調節;提出了兩種新型調節器的計算模型,使轉槳泵在自動調節動態模擬得以在微機上得以實現。
  20. The river mouth delta process is affected by river dynamics and coastal dynamics. the process of river delta is estimated by empirical model, analytical model and minimum stream power method. the three models are verified with field data of the yellow river mouth. the computed results are compared with field data. the demerits of the three models are pointed out

    採用經驗模型、分析模型和最小功率方研究河口三角洲演變過程.根據黃河河口三角洲資料,利用三個模型計算了河口三角洲岸或沙咀寬度及岸的平均延伸情況及對河口近口段河道的影響,比較分析了各模型的計算結果,指出了模型不足之處
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