泥沙資料 的英文怎麼說

中文拼音 [shāliào]
泥沙資料 英文
sedimentary data
  • : 泥名詞1 (含水的半固體狀的土) mud; mire 2 (像泥的東西) any paste like matter; mashed vegetable...
  • : 沙動詞[方言] (搖動以清除雜物) shake
  • : Ⅰ名詞1 (錢財; 費用) money; wealth; expenses 2 (資質) intelligence; endowment 3 (資格) quali...
  • : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
  • 泥沙 : [地] silt; sediment
  • 資料 : 1. (生產或生活的必需品) means 2. (依據的材料) data; material
  1. Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed

    利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律,但由於實測水深獲取較為困難,因而利用遙感來反演水深是一個重要的選擇,為此,本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗,試驗結果表明,在極高濃度、較強水動力條件的黃河口海域,用多光譜遙感反演水深是可行的。
  2. Compared with measured data, this equation can describe the sediment concentration distribution better both in main flow region and near - bottom region

    與實測對比表明,該公式能更好地描述包含主流區與近底流區在內的含量分佈規律。
  3. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口沉積分配的過程來看:三角洲與濱海區的沉積變化趨勢是基本一致的,各部位的沉積比例變化基本呈波動狀態,且三角洲與濱海區的沉積比例與來量密切相關,基本成正比關系; ( 3 )在口門處,影響沉淤的因素主要集中在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: (一扣根據實測首次建立了河贖流路沉積分配的回歸計算式,據此可以預估計算河口不同區域的沉淤量; 、 5 )本項研究首次論證了河口三角洲岸線動態平衡的概念,並建立了黃河河口來量與造陸面積的相關關系,得出了當河口多年平均來量維持在3 . 45億t時其河口三角洲岸線則可能處于動態平衡狀態的重要結論; 『 6 )本項研究首次提出了河口優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  4. Analyze the yellow river estuary sediment transport and distributing affected factors, utilize the field measured data, based on the hydraulics, river hydrodynamic and statistics fundamental theory, analyze the estuary sediment transport and settling deposition regulation, yellow river estuary gate area sediment deposition mechanism and estuary delta coastline dynamic balance, and some important achievements acquired

    研究報告分析了黃河河口輸移和分佈的影響因素,利用實測,運用水力學、河流動力學、統計學等基本理論和原理,對河口輸移及其分佈規律、黃河河口口門區域沉積機理以及河口三角洲岸線的動態平衡問題進行了分析探討,並取得了部分重要認識和進展。
  5. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和擴散方程的基礎上,對灘槽交互區內垂線平均流速及含量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含量沿橫向分佈的解析解,並與實測吻合較好
  6. In this paper, the deposition evolution process in qtx reservoir are studied, the incoming water and sediment, the operation data, and the time and space distribution of longitudinal and lateral sedimentation in reservoir are analyzed in detail, and the longitudinal scouring and sedimentation and lateral deformation law in reservoir tidal flat and mainstream under different operation way are summarized in every operation period

    本文以黃河青銅峽水利水電樞紐工程水庫淤積演變過程為研究對象,對青銅峽水庫來水來組成、水庫運行、水庫縱橫向淤積時空分佈等進行了較詳細的分析,總結了青銅峽水庫各個運行時期不同運行方式下水庫灘槽縱向沖淤和橫向變形規律。
  7. Based on the topographic features and data of sediment particle size of bed load at the fluctuating backwater reach of liujiaxia reservoir, the streamwise variation and variation process of median diameter of bed load during silting and scouring periods of the fluctuating backwater reach are analyzed, and it can be seen that the turning point for the sediment diameter variation from coarse to fine is located at the outlet of shigou gorge of the fluctuating backwater reach

    摘要根據劉家峽水庫變動回水區的河段地形特徵和歷年河床質粒徑級配,分析了變動回水區河段淤積和沖刷時,河床質中值粒徑的沿程變化和歷年河床質中值粒徑變化過程,並指出粒徑分佈由粗變細的轉折點在變動回水區寺溝峽峽口處。
  8. To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds

    利用所取,系統分析了不同強度塵天氣條件下塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵;綜合分析了影響塵起動的諸物理因子在塵起動中的作用;用塵輸送模式對一次塵暴天氣造成的雨過程的形成機制進行了模擬。歷史氣象統計分析表明,塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的塵暴約占塵暴總次數的66 。揚塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,塵暴發生前近地層的超絕熱不穩定對塵暴天氣有加強作用。
  9. Based on a great amount of hydrological and sediment data and the submerged spit evolution analysis, this paper discusses the sediment exchange between the yangtze estuary and the hangzhou bay and sediment transport along the nanhui submerged spit

    根據長江口南匯咀近岸水域的水文觀測和沉積地貌等,通過綜合分析研究,探討了長江口入海水在南匯咀近岸水域與杭州灣的交換和輸移途徑。
  10. On the basis of sediment concentration field, the annual back silting intensity on the approach channel of 70000 dwt at lianyungang harbor was also simulated, and the calculated results was coincident with actual data

    鑒于進港航道回淤量是當地海域潮流、波浪、長期共同作用的結果,建議採用年平均含量場進行回淤計算,並在此基礎上模擬了連雲港7萬噸級進港航道的年回淤強度,計算結果與實測吻合較好。
  11. Based on the in - situ measured data of water depth and results of physical model tests and mathematic model calculation, the influencing factors on the sediment deposition in the wharf apron after construction of wharfs are analyzed taking the wharfs in waigaoqiao port in the yangtze river estuary as an example

    以長江口外高橋港區碼頭?例,根據現場實測水深, ?結合物理模型試驗及數學模型計算的結果,分析建碼頭后影響碼頭前沿回淤的因素。
  12. The application study of improved bp algorithm in sediment science - using two set of experiment data mentioned above, the value of d _ ( cmax ) and gross bed - load transport rate in non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation have been forecasted by ann generator

    改進bp演算法在科學中的應用研究?將收集整理后的兩次水槽試驗實測作為數據來源,利用生成器生成網路對水槽平衡輸試驗中的最大起動粒徑和總輸率進行預測。
  13. In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment

    輸運模型利用切應力方法來確定對流擴散方程中的源函數,其中的臨界起動速度利用經典的起動流速公式前面增加一個局地系數得到,這個系數能反映河床底質結構及固結程度,通過系列數值試驗和實測的統計分析確定。
  14. Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power

    文摘:本文通過理論分析及實測檢驗表明,無論對於何種運動狀態,決定運動的有效切應力既不是粒切應力又不是全部切應力,而是介於兩者之間,近似為粒切應力與全部切應力的幾何平均值.這一有效切應力不但是對切應力類水流強度指標的總結,還可以概括平均流速和水流功率等水流強度指標
  15. Based on the fractal character of the small watershed topographic feature, the spatial and temporal variation character of sediment yield of the watershed model, the dynamic developing process and fractal character of the topog raphic feature of the watershed model, and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment, fractal theory, high precise photogrammetry and gis technology. the validation research is conducted in chabagou watershed where the observation data of rainfall, sediment and runoff for 11 years is collected. the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield

    本文依據流域地貌形態所具有的顯著分形特徵,從模擬實驗出發,利用分形理論和方法,結合高精度攝影測量和gis技術,對流域模型侵蝕產時空變異特徵、地貌形態發育過程及其相應的分形特徵、流域模型侵蝕產與地貌形態耦合關系進行了深入研究,並以具有11年降雨徑流觀測的岔巴溝流域為例進行了驗證研究,為實現從單坡面侵蝕產模擬、預報向流域侵蝕產模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法,為黃土高原小流域水土流失綜合治理提供了科學實踐依據。
  16. ( 3 ) response of the radiate sand ridges to the relative sea - level rise based on the background of sea - level rise in the future and the features of sediment dynamics on the radiate sand ridges, the rule and tendency of the development of the radiate sand ridges were analyzed using the data collected in situ and the long - term satellite images of the region. and concluded that the radiate sand ridges will be adjusted greatly in response to the relative sea - level rise and the enhancement of tidal dynamics

    ( 3 )輻射洲對海面上升的響應基於輻射洲區未來海面上升的背景和輻射洲自身的動力特徵,用實測和遙感技術分析了輻射洲區近期的演變規律,並對輻射洲未來整體的動態變化特徵和發展趨向做了預測,認為輻射洲整體在海面上升過程中隨著潮汐動力作用的增強將做出重大調整。
  17. By means of prototype observation, analysis and numerical model the author analyzed the canal scour and sediment process, the different scour and sediment affected on the discharge and affected on materials movement in different cross sections of the canal

    本文採用原型觀測、分析和數學模型對北引渠道沖淤形態的演變過程,不同沖淤形態對過水能力的影響,斷面形態的穩定性對輸移的影響進行了研究。
  18. This database include 9112 sets of experimental data and 6013 sets of natural river data. compared with existing sediment transport database, the database of this paper have more data sets than others

    該數據庫包含9112組實驗室水槽和6013組天然河道,與前人所編的運動數據庫相比,的數目大大增加。
  19. In this dissertation, on the basis of comprehensive review of the study achievements on sediment transport, we get the fact that most of formula in sediment incipient motion and bed - load transport rate are established by classical regression analysis model, i. e. firstly establishing the formula according to related sediment transport theory, secondly computation for regression coefficients in formula by using field or laboratory experiment data

    故本文在回顧並總結輸移研究成果的基礎上,指出大多數起動公式和輸率公式的推求是採用傳統回歸模型,即先根據輸理論定出計算公式,再用實測或試驗數據率定公式系數。
  20. The main contents are as follows : section - of theory of sediment transportation - on the basis of comprehensive review of the study achievements on sediment transport, pros and cons in using classical regression model based on lms during establishing formula in sediment incipient motion and bed - load transport rate ; experiment data in non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation are been collected and coordinated

    本文的主要內容包括:輸移理論部分:對前人的相關起動輸移研究結果總結性的回顧,分析了採用最小二乘法的傳統回歸模型在起動公式和輸率公式處理中的四川大學碩士學位論文人工神經網路理論及其在科學中的應用研究優點和缺點:收集並整理了兩組平衡狀態下的輸試驗
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