本文關(guān)鍵詞：太平水道懸移質(zhì)輸運(yùn)數(shù)學(xué)模型，由筆耕文化傳播整理發(fā)布。

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水利水電工程

地質(zhì)學(xué)

石油天然氣工業(yè)

公路與水路運(yùn)輸

地球物理學(xué)

海洋學(xué)

船舶工業(yè)

自然地理學(xué)和測繪學(xué)

水道

    Effects of Sand Exploitation in Water Area South the Dohu Channel on HydrodynamicEnvironment and Prediction of Sediment Diffusion Density

    大虎水道東南部水域海砂開采水動力環(huán)境影響及泥沙擴(kuò)散濃度預(yù)測

短句來源

    Calculation of the amount of siltation and erosion in the Xinqiao Channel of the South Branch of the Changjiang Estuary in China

    長江口南支漲潮槽新橋水道沖淤變化的定量計(jì)算

短句來源

    Application of Antitype Observation in Safety Inspection of 2# Channel System of Shisanling Storage Plant

    原型觀測在十三陵蓄能電廠2~#水道系統(tǒng)安全檢查中的應(yīng)用

短句來源

    from 1958 to 2002, the total volume of the Xinqiao Channel keeps stable with the volume of 5.02×10~(8) m~(3).

    1958年至今的45 a時(shí)間里水道容積基本保持在平均5.02億m3.1926年新橋水道10 m等深線已經(jīng)形成一定的格局.

短句來源

    (2) good condition of water depth of Lanshayang North Channel;

    (2)爛沙洋北水道的水深條件好;

短句來源

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    Calculation of Suspended Sediment Transport in Taiping Waterway

    太平水道懸移質(zhì)輸運(yùn)數(shù)學(xué)模型

短句來源

    Design of Luohuzhou Waterway Regulation Engineering the Middle Reach of the Yangtze River

    長江中游羅湖洲水道航道整治工程設(shè)計(jì)

短句來源

    Influence analyses of regulation works in Wuxue waterway of the Yangtze River

    長江武穴水道航道整治工程影響分析

短句來源

    Stress, Deformation and Stability Analysis of Dyke: Taking Laolonghu Waterway Regulation Project as an Example

    堤防應(yīng)力、變形及穩(wěn)定分析——以勞龍虎水道航道整治工程為例

短句來源

    Evolution of Yidu Reach and Variation of Waterway After Impoundment of the Three Gorges Reservoir

    三峽水庫蓄水后宜都水道演變及航道變化

短句來源

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    Analysis of Transition Process of Watercourse System of Cascade Pumping Station

    梯級泵站水道系統(tǒng)過渡過程計(jì)算分析

短句來源

    Countermeasures for Change of River Bed Before Systematical Regulation and Contr ol of Luxikou Water Course in Middle Reach of Changjiang River and Inspirations

    長江中游陸溪口水道系統(tǒng)治理前河床變化的應(yīng)對措施及啟示

短句來源

    In order to analyze the transition process of watercourse system of cascade pumping station, mathematical model of pipe and canal inconstant flow combined calculation is established through comparison between open_channel inconstant flow equation and instantaneous_variable pipe flow equation. The characteristic curve format of the equations solution is also discussed.

    為了分析梯級泵站水道系統(tǒng)過渡過程 ,通過對比明渠非恒定流基本方程和管道瞬變流方程 ,建立了管、渠非恒定流聯(lián)合計(jì)算的數(shù)學(xué)模型 ,并探討了求解該方程組的特征線格式。

短句來源

    Exploration of the Optimal Model of the Parameters of the Water waytructures

    水電站水道建筑群參數(shù)優(yōu)化數(shù)學(xué)模型的探討

短句來源

    The Penstock's Design of the Tianhu Hydropower Station

    天湖水電站壓力水道設(shè)計(jì)

短句來源

    Design of Penstock Bulkhead of the Tianhu Hydropower Station

    天湖水電站壓力水道堵頭設(shè)計(jì)

短句來源

    Construction of Penstock Bulkhead of the Tianhu Hydropower Station

    天湖水電站壓力水道堵頭施工

短句來源

    Development and Application of YALE 5600 GPS Hydrographic Surveying System

    YALE 5600 GPS水道測量系統(tǒng)開發(fā)與應(yīng)用

短句來源

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  channel

Aliasing error bounds are derived for one- and two-channel sampling series analogous to the Whittaker-Kotel'nikov-Shannon series, and for the multi-band sampling series, and a "derivative" extension of it, due to Dodson, Beaty, et al.

Aliasing in the one-channel case is shown to arise from a transformation with similarities to a projection.

An Estimation of the Truncation Error for the Two-Channel Sampling Formulas

Guanidine-type compounds that reached clinical status include amongst others the potassium channel opener, pinacidil and the histamine H2-receptor antagonists (e.g.

The tetra-n-butylammonium cations were stacked to give two columns within each channel with cross-sectional size of about 2.30 nm × 0.93 nm.

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  waterway

This important waterway is the subject of considerable international disagreement over whether Turkey possesses the lawful right to regulate vessels carrying goods and petroleum through the straits.

With the rapid development of China's foreign trade, the coastal and inland waterway transport has been increased rapidly.

Although a split and turbulent age, the Wei, Jin, and Northern and Southern dynasties, known as the Six dynasties, witnessed a continuous expansion of waterway communication and transportation between north and south China.

A significant waterway from Hangzhou to Tianjin held the greatest potential for development during this period, eventually leading to the construction of the Grand Canal in the Sui dynasty.

Reproductive injury in English Sole (Pleuronectes vetulus) from the Hylebos Waterway, Commencement Bay, Washington

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  watercourse

The calculated dependences for determining all the necessary parameters of the seepage flows and constructing the curvilinear watercourse profiles are given.

In the case of a circular basis for the shape of the watercourse profile in the plane of the Joukowski variable these dependences coincide with the well-known exact dependences.

The possible steps for reducing the pollution of water in a watercourse are discussed.

Modification of Pantle-Buck Technique for Assessing Watercourse Pollution Based on Macrobenthos Quality Characteristics

Data collected at 245 watercourses in the central European Russia are used to study the correlation of the new index with the anthropogenic load onto watercourses, as well as with the watercourse type and size and the type of substrate.

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A mathematical model for the automatic control system of the unit of the hydropower station with a long complex conduit system is developed in this paper, and analysis of stability and dynamic characteristic for the turbine control system is made with the eigenvalue method of the coefficient matrix A of state equations. This method is also appropriate for general hydrorower stations.

本文建立了具有復(fù)雜過水系統(tǒng)的水電站機(jī)組控制系統(tǒng)的數(shù)學(xué)模型(引水道和尾水道有調(diào)壓井或無調(diào)壓井),通過求狀態(tài)方程x=Ax+Bu系數(shù)矩陣A的特征值,分析了水輪機(jī)控制系統(tǒng)小波動的穩(wěn)定性和動態(tài)特性。這種方法同樣適用于一般水電站。

The coast near Jianggang is located in Dongtai County, Jiangsu Province. Its offshore is just in the center of the well-known North Jiangsu Submarine Sand Ridge Field where two tidal wave systems converge. This paper chiefly discusses the influence of submarine ridges on the development of Jianggang coastal zone. In 1974, a great proxigean spring tide caused extremely high water in the coastal zone. The enhanced tidal action cut Jiangjiasha, a large submarine ridge, into two parts, and some main tidal channels...

The coast near Jianggang is located in Dongtai County, Jiangsu Province. Its offshore is just in the center of the well-known North Jiangsu Submarine Sand Ridge Field where two tidal wave systems converge. This paper chiefly discusses the influence of submarine ridges on the development of Jianggang coastal zone. In 1974, a great proxigean spring tide caused extremely high water in the coastal zone. The enhanced tidal action cut Jiangjiasha, a large submarine ridge, into two parts, and some main tidal channels were realigned. Subsequently, a series of events took place one after another. For example, the high water level in second-order channels was raized; tidal flat around Jianggang area was seriously eroded; some new channels were formed on tidal flat of offshore banks; some ridges merged and others cut apart, and etc. These facts show that an abnormal change of tidal action, such as the extreme high water under optimum astronomical tide-producing condition and/or large storm, can cause notable changes of the main pattern of tidal channels, at least, in some localities. These changes lead to both increase and decrease of tidal strength in the channels. Consequently, the neighbouring flats must also be adjusted morphologically ot fit the above changes. This adjustment carries out in a large area and over a long period of time Events like the above are important not only in determining the dynamics of the coast, but also in the evolution of the submarine sand ridge field.

江蘇海岸的一大特點(diǎn)是岸外內(nèi)陸架上有一大片水下沙脊群。由于東海前進(jìn)潮波系統(tǒng)和廢黃河口外旋轉(zhuǎn)潮波系統(tǒng)的西翼在弶港岸外相遇,故使東臺縣沿海一帶成為這片沙脊的輻射中心區(qū)。 1974年以來,弶港地區(qū)海岸動態(tài)發(fā)生強(qiáng)烈變化。通過現(xiàn)場和衛(wèi)片分析發(fā)現(xiàn),1974年新發(fā)育成的大型潮汐水道把蔣家沙隔為兩半,與上述變化有因果關(guān)系。而1974年特大天文大潮是造成蔣家沙被分為兩半的主要因素。這次突變事件在條子泥西側(cè)所帶來的后果如下:1)王家槽西段潮位增高,涌潮加強(qiáng);2)王家槽向西發(fā)展曲流超過了過去的最西界;3)王家槽東段淤淺,使條子泥和蔣家沙在該處并灘;4)條子泥南坡形成了新的潮汐支道;5)死生港大輻度西擺,嚴(yán)重沖刷西側(cè)岸灘;6)川港淤積加速。

Until now, the traditional method of bottom and slope protection is still being used to treat the declination of navigation canal, but it is not effective in the prevention of the destruction due to the hydrodynamic force generated by steamboat movement. Based on the data of the hydrodynamic phenomena, sediment movement and historical investigation obtained along the Nantong-Yangzhou Canal, the process of development and evolution of navigation canal has been studied. Some efforts have been tried to establish...

Until now, the traditional method of bottom and slope protection is still being used to treat the declination of navigation canal, but it is not effective in the prevention of the destruction due to the hydrodynamic force generated by steamboat movement. Based on the data of the hydrodynamic phenomena, sediment movement and historical investigation obtained along the Nantong-Yangzhou Canal, the process of development and evolution of navigation canal has been studied. Some efforts have been tried to establish the pattern of evolution of navigation canal network with locks and weirs on plain due to the hydrodynamic force generated by steamboat movement and the way of regulation of navigation canal of this kind.

現(xiàn)代船舶水動力不斷侵蝕通航運(yùn)河水道邊界,引起運(yùn)河航道的日益惡化萎縮,水運(yùn)界雖然普遍采取了傳統(tǒng)的護(hù)底與護(hù)岸的方法作為對策,但至今國際上尚未能夠防治這類水動力的破壞作用。本文在江蘇通揚(yáng)運(yùn)河航道實(shí)測船舶水動力、泥沙運(yùn)動以及歷次航道普查等資料的基礎(chǔ)上,研究這類運(yùn)河航道在自然界中的發(fā)育過程,并試圖建立在現(xiàn)代船舶水動力條件下平原水網(wǎng)區(qū)閘化后通航運(yùn)河的一套演變模式,從而探索因勢利導(dǎo)的整治途徑。

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  本文關(guān)鍵詞：太平水道懸移質(zhì)輸運(yùn)數(shù)學(xué)模型，由筆耕文化傳播整理發(fā)布。