比波河 的英文怎麼說
中文拼音 [bǐbōhé]
比波河
英文
piphot prek-
During the night it crossed the mississippi at davenport, and by rock island entered illinois
當天夜裡,在達文波特越過了密西西比河。火車從石島進入了伊利諾斯州。The enterprising artist has collected the best joropo works for traditional harp and bandola from the andes and the llanos, the great plains of the orinoco and amazon basins, creating a new repertoire full of delightful hints of the spanish baroque harpsichord
來自哥倫比亞的卡德隆精研荷羅波joropo樂派,她擷取了這種源自安第斯山脈奧里諾科河及亞馬遜河盆地最優秀的豎琴及班多拉琴樂章,改寫為充滿西班牙巴羅克式古鋼琴風格的樂曲。Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。According to the calculation formula of the ratio of pile and soil of compound foundation bearing capacity, and base on the calculation formula of the ratio of pile and soil given in this thesis, the relation model of rayl eigh wave velocity and gravel pile compound foundation bearing capacity is deduced
根據復合地基承載力應力比計算公式,基於本文提出的應力比計算模型的基礎上推導了瑞雷波速和碎石樁復合地基承載力之間的關系模型,建立了日本模型、武漢地區模型、下遼河平原模型三種模型的碎石樁復合地基承載力計算公式。By using the three - dimension acoustic doppler velocimeter to measure velocities of flow in an ecological river before and after arrangement of cropping loops, the velocity distribution, turbulence intensity and reynolds stress before and after arrangement of cropping loops are compared
摘要採用三維超聲波多普勒測速儀對河道生態修復中種植圈布設前後的工況量測,比較了布設種植圈前後的流速分佈、紊動強度和雷諾應力的變化。Mz, a, sk, kg and sc / d ( ratio of the sum of silt and clay to sand ) of fluvio - lacustrine, palaeosols and aeolian sands constitute an interlocking, multi - fluctuation process curve with peak and valle y values : the < & value of mz, o and sk values often increase accordingly from aeolian sands to its overlying fluvio - lacustrine facies or / and palaesols, the kg value heightens, too, and the sc / d value also basically consists with its change steps
河湖相和古土壤與風成砂的mz 、 、 sk 、 kg以及sc d (粉砂粘土之和與砂的比值)構成一峰谷交替、犬牙交錯的鋸齒狀多波動過程線:常常是由風成砂至上覆河湖相或和古土壤, mz的值、 、 sk值相應增大, kg相應增高, sc d值亦與之變化步驟基本一致。Generally, tidal bore is wave alignment moving upstream estuary, and its surface will break when the wave alignment is strong, which leads to water roll tracing the source. the velocity, which is between small - disturbed wave velocities before tidal bore happens and the one after tidal bore happens, increases with the ratio of tidal bore height to the water depth in wave front
涌潮一般是向河口上游推進的波列,強度大時,表面破碎,進而發展成溯源推進的水滾,其傳播速度隨涌潮高度與波前水深比值增加,大小介於涌潮前後小擾動波波速之間。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,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成正比關系; ( 3 )在口門處,影響泥沙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: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 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沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在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泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。Ripple gestures at the sprawling mountain valley around us and points out that although numerous other cottonwoods dot the landscape, this knot of saplings comprises the only young ones ? the rest of this part of the lamar is a geriatric ward for trees
瑞波比畫著圍繞在我們四周的山谷,指出這里雖然有許多三角葉楊零星散布,但眼前這簇幼木卻是僅有的年輕樹叢,拉馬河谷其他地方都是銀發族等級的樹了。This part analyzed and compared many kinds of solvement of dam - break, then the adopted traditional one - direction b. saint. venant equation and conceal format to calculate the proceeding of dam - break flood, then according to calculation result analyzed influence of villages located beside fabiela river from dam - break flood
這一部分首先分析比較了潰壩波的各種求解方法,然後採用傳統的一維聖維南方程組和隱式差分格式進行了潰壩洪水演進計算,然後根據計算結果分析了各種潰壩情況下洪水對河道兩岸村屯的影響。Earlier last year, two ships and 25 scientists from rutgers, columbia university and the university of massachusetts - boston used an underwater glider to follow two dye releases from the mouth of the hudson river over two weeks
去年早些時候,來自拉特格斯大學哥倫比亞大學和麻省波士頓大學的25名科學家操縱一架水下滑翔機從紐約市哈得孫河入海口處溯流而上,耗時兩周調查通過河口的印染Earlier last year, two ships and 25 scientists from rutgers, columbia university and the university of massachusetts - boston used an underwater glider to follow two dye releases from the mouth of the hudson river over two weeks. the project followed pollutants and other material discharged from the river to see how it interacts with the atlantic ocean
去年早些時候,來自拉特格斯大學哥倫比亞大學和麻省波士頓大學的25名科學家操縱一架水下滑翔機從紐約市哈得孫河入海口處溯流而上,耗時兩周調查通過河口的印染廢料是如何污染鄰近的大西洋海域的。The chobe river flows along the northern edge of the park bordering botswana and namibia and gives that rare natural colourful feature
喬貝河沿著位於波札那和納米比亞交界處的這座公園的北端順流而行,形成了這罕見的天然美景。The difference and commonness between cross - direction and longitude direction traveling wave that exists in the response and distribution of dam displacement and stress are obtained
對比了橫河向和順河向行波輸入時壩體位移、應力的反應和分四川大學工學博士學位論文布異同。Listrac is more distant from a river and from the ocean than any other bordeaux appellations
利斯塔克產區與其他波爾多產區比較,離河與海洋有點距離。The first two kinds of wavefunctions are simple formally, but there must be error of the numerical values of some physical magnitudes because there is a trouble with the continuity of the function and of its derivative divided by the band - mass at the boundaries. though the third kind of wavefunction can satisfy the continuity of the function and of its derivative divided by the band - mass, the number of the terms is so large that it is difficult to calculate the physical magnitudes in the single quantum wire
前兩種波函數形式比較簡單,但由於在邊界處波函數的河北師范大學碩士學位論文連續性條件和粒子流的守恆條件存在問題,這必將對某些物理量的計算產生影響;第三種波函數在邊界處滿足波函數的連續性條件和粒子流的守恆條件,但是對于單量子線需要展開的項數很多,計算量太大。5. on the basis of the simplified calculating model this paper studied, the static and dynamic models analysis of milky way mcar were performed by using fem program sap93. the calculating results were compared with the experimental data and they are close
在本文所研究的簡化模型的基礎上,利用有限元計算程序sap93對銀河拱型波紋鋼屋蓋進行了靜力和動力模態分析,並與試驗結果進行了比較,兩者符合較好。Both the tide and the increase of floodplains " roughness can change the diffluence ratio between northern and southern branch
外海潮波和灘地糙率的變化可以影響南北兩汊河道的分流比。China is one of the countries which are harmed by storm surge both tropical and temperate cyclones, the disaster of storm surge can occure every seasons and from south to north in china ' s coastal area. based on the analysis of the features of temporal and spatial changes of storm surge disaster in the recent 50 years, this paper focuses on the frequency changes of historical records in recent 500 years and measured data in recent 50 years of storm surge disaster and the relationships between storm frequency change and climate fluctuation. meanwhlie, the effects of future increase in the frequency of tropical cyclones landing or affecting china and relative sea level rise with global warming on storm surge disaster of china ' s coastal area also discussed. the results show that, in recent 500 years, there are direct relationships between storm frequency change and climate fluctuation, i. e., high global mean temperature correspond with high storm frequency and low mean temperature correspond with low storm frequency. storm surge disaster in china ' s coastal area will be exacerbated with global warming
中國是全球少數幾個同時受臺風風暴潮和溫帶風暴潮危害的國家之一,風暴潮災一年四季,從南到北均可發生.本文基於中國沿海近50年風暴潮災時間變化和空間分佈特點的分析,著重探討了近500年全國及長江、黃河、珠江三角洲的歷史記錄和近50年實測風暴潮災發生頻次的變化及其與氣候波動的關系,並對未來全球變化背景下,中國沿海風暴潮災的變化趨向進行了討論.結果表明:近500年來,中國沿海的風暴潮災在氣溫較高的偏暖時段比氣溫較低的偏冷時段明顯增多.近50年實測臺風暴潮災的變化也是如此,而溫帶風暴湖的變化則與此相反.未來全球變化引起的登陸影響中國的熱帶氣旋頻次增加和相對海平面的上升,均將導致風暴潮災呈加重的趨向Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided
文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組,分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別,提供了長江口波浪變形數值模擬計算工程實例.實例表明,該模型能適應河口三角洲大范圍水域波浪傳播數值計算分享友人