河流的運河化 的英文怎麼說
中文拼音 [héliúdeyùnhéhuà]
河流的運河化
英文
canalization of river- 河 : 1 (天然的和人工的大水道) river 2 (指銀河系) the milky way system; the galaxy 3 (特指黃河) t...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 的 : 4次方是 The fourth power of 2 is direction
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 河流 : rivers; stream
- 運河 : canal
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The pollution problems of the rivers and streams in that region have accordingly improved considerably in the past decade. however, as the base flow of local rivers and streams is generally small, their assimilative capacity is therefore low. this, coupled with the continued development and hence population growth in the river catchments, as well as the lack of maintenance of many private septic tank systems, has caused the water quality of some rivers and streams in the northwest new territories to remain unsatisfactory
而溪流的污染情況在過去的十年間亦因此而有所改善,但由於本地河溪的流速相當慢,河流的自凈能力相對偏低,而河溪的周邊不斷發展,人口持續增加,加上部分私人的化糞池系統欠缺打理,未能有效運作,所以新界西北仍有部份河溪水質未如理想。In yishui county, wastewater is increased quickly with the development of economy and increase of urban population. suburbanites are suffering from environmental quality deteriorated caused by the wastewater directly discharged from industries and community. but the government ca n ' t finance the building of sewage treatment plant nor the running of sewage treatment plant
隨著沂水縣經濟的發展和城市人口的增長,城市污水日趨增多,工業污水和未經處理的生活污水直接排入城區河流,導致環境質量惡化,已嚴重影響了城區周圍居民的生活,而地方政府財政困難,既無力建設城市污水處理廠,也無力承擔污水處理廠的運營費用。During recent decade and more, major and super floods have taken place frequently in the yangtse river and huai river. the natural phenomenon of flooding is inevitable. it is not a surefire plan only to take engineering measures for flood control while climatic variation is far from being known
近十多年來在我國長江、淮河流域連續不斷發生的大洪水或特大洪水再次向我們展示了這樣一個道理,洪水是一種自然現象,當環球大的氣候因素及其變化規律遠未被認識時,試圖僅依靠工程措施來控制洪水並非萬全之策,逐步運用非工程措施,常常能起到「以柔克剛」 、 「以弱勝強」之功效。Activities on canals, rivers, lakes and reservoirs are becoming increasingly popular and for this we must thank the british waterways board, which as part of its work maintains 1760 km of cruising waterways for navigation, about 960 km of other waterways and some 90 reservoirs
在運河、河流、湖泊和水庫上運動正日趨大眾化,為此我們應感謝不列顛水道董事會,他們的部分工作包括1760千米的巡迴灌溉水道, 960千米其他水道和約90座水庫。The mathematical model was applied to serve the engineering projects. the different water levels and flow discharges in nanjing river reach are calculated, bed scour and sedimentation in this engineering reach during one hydrologic year are verified. all results are in good agreement with field measurements
西氣東輸過江工程,採用該模型模擬南京西壩泗源溝河段不同流量水流運動,並計算一水文年過程該河段的河床沖淤變化,結果和實測資料也基本一致。Abstract : variation of flow condition caused by the multi - pur pose regulation schemes has been investigated on the basis of measured date in r iver model. flood - control of the upper river, operation of the power - station, saf ety of the bridge and power - station, navigation and evolution of the river are a nalyzed. a reasonable and feasible project alternative and the improvement measur ement are proposed
文摘:涪江潼南河段防洪整治是一項以防洪為主體的綜合性河岸整治工程,在平面二維數值模擬計算的基礎上再進行河工模型試驗,比較分析各防洪整治方案下潼南河段水流條件的變化,及其對上游防洪、河道、大橋、電站、航運、河勢的影響,提出合理可行的工程方案First the author memorized the yellow river excavation history and concluded development of modern dredging science, and found that most researches of dredging are related to navigation regulation, little used to flood control especially in the yellow river with silty. based on the experiment of generalized physical model of the lower reach of the yellow river, and the study of the loaden flow mechanism and the dredging efficiency, the author get some new ideas as follows : 1
通過對黃河疏浚的歷史以及現代疏浚工程學的發展進行了回顧和總結,認為已有的疏浚研究大多基於航道疏浚工程,對于防洪疏浚特別是在黃河這種多沙型河流上進行防洪疏浚的研究極為欠缺,本文基於黃河下遊河道概化模型試驗,對疏浚挖槽后水沙運動機理及效果等進行了研究,得到以下認識。With an analysis of the project construction and strategic significance, the paper illustrates the impact of the reconstruction of the hang - yong canal on the logistics pattern of eastern zhejiang province, mainly hangzhou, shaoxing and ningbo
摘要在分析杭甬運河工程建設與戰略意義基礎上,論述了杭甬運河的重新改造對浙江東部杭、紹、甬三地物流格局變化的影響。As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result
在系統開發過程中,首先採用mmg分離式數學模型及相關的系列化試驗結果,建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程,並編制計算程序,經與試驗結果比較,證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度,作者在上述已有程序基礎上,對有關模型參數進行偏移修正,探討了相應參數變化后的操縱性指數,對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討,所得結論與工程實際相吻合,具有實際應用價值,並為進一步提高船舶操縱性預報的精度打下了基礎;然後,在已有的船舶靜水操縱運動模型基礎上,考慮雙槳雙舵的影響,建立了內河雙槳雙舵船舶的操縱運動模型;最後,綜合考慮風浪流作用力的影響,進行了船舶的操縱運動模擬計算。Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt
通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地應力場進行判斷:在分級卸荷條件下,巖體中彈性變形的恢復具有明顯的規律性,這種規律對于研究地應力場的演變是有幫助的;地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性;區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響,隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化,現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化;在峽谷區,山體中具有兩個應力帶:自重應力帶和卸荷應力帶,最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主應力和中間主應力的量值和方向;在丘陵區和平原區,最大主應力的方向近於水平,並與附近區域性侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主應力的量值;根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵,並進而大致了解巖石的應力環境,這種分析方法得出的結論與許多實際的地應力測試成果基本一致,對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。China ' s rapid modernisation is blamed for the dolphin ' s demise. industrial pollution, heavy river traffic and the construction of the three gorges dam are thought to have killed many
海豚的絕種被歸咎于中國急速的現代化。工業污染,大量的河流運輸和三峽大壩被認為是其中三大原因。Mountain flowing water name quarry jade and carve jade actor name, is it catch ore weather into avalanche originally to refer to, and carry the malachite for the river upper and middle reaches from the river
山流水山流水名稱由采玉和琢玉藝人命名,即指原生礦石經風化崩落,並由河水搬運至河流中上游的玉石。At the same time, the carbon cycle at mid - latitudes of north hemisphere still remains unknown, which leads people to nowhere in gaining a deep understanding of the mechanism of global change. in xilin river basin, inner mongolia, which is right located at the mid - latitudes of north hemisphere, the high speed of social - economic development shows high rate and strong intensity to land use / land cover change in the past two decades. in this paper, remote sensing, gis and ecological modeling techniques were combined to study the land use / land cover change and carbon cycle of xilin river basin
文章首先對內蒙古錫林河流域四個時期的landsattm / etm +影像進行土地利用/土地覆蓋分類、成圖;通過對比,分析了錫林河流域近20年的來的土地利用/土地覆蓋變化;並進一步運用gis方法研究了錫林河流域草地退化的演化路徑;最後運用century模型模擬了內蒙古錫林河流域大針茅草原、羊草草原的碳循環過程,繪制了其碳循環模式圖;並進一步分析了錫林河流域典型草原生態系統對大氣碳庫的源/匯功能。Jinghang canal and the musical communication of china
京杭運河與我國南北音樂文化的交流傳播Emperor yang guang of the sui dynasty, ordered the digging of the grand canal that links the yangtze river in the south with the yellow river in the north
隋煬帝楊廣開鑿大運河,促進了南北江河兩大流域的經濟文化交流。把揚州的繁榮推上新的高峰。Meanwhile, the flood forecasting and warning center sunday said although the water started receding slowly in northern districts, padma river, one of the major rivers in the country, continued rising, deteriorating the flood situation in central region including capital dhaka and its adjacent districts
同時,洪災預警中心周日說雖然北方地區的水勢開始後退,但是這個國家的主要河流,巴拿馬運河卻繼續上漲,中心地區包括達卡和它附近的地區水勢繼續惡化。After a comprehensive review on the study of sediment density current in the recent several decades, a set of differential equations for 2 - d density current under double - layer computational mode is established. by simplifying th. set of equations, a 2 - d numerical simulation of sediment density current and sediment outflow has been made in the liujiaxia reservoir in the yellow river basin, and the result is reasonable
本論文在對異重流運動近幾十年來的研究成果進行較系統、全面論述的基礎上,針對目前研究較為前沿的異重流運動數值模擬問題,提出了一套二維異重流雙層計算模式下的基本方程,並在這套方程簡化的基礎上,對黃河流域劉家峽水庫中的異重流運動和排沙進行了二維數值模擬,結果令人較為滿意。Employing the satellite images of landsat - mss and landsat - tm and the integrated techniques of rs, gis, and gps, the authors, with maotiaohe river basin as a case, studied the process and driving factors of land use / cover changes since the beginning of 1970s, and modeled the possible land use / cover changes scenarios in the coming 10 years based on clue - s model, and then made an ecological evaluation on effect of the changes over the past 30 yeas as well as in the coming 10 years by using theory and method of landscape ecology. in this research, the authors, from the angle of international lucc studies, threw much light on the land use / cover changes in the basin and also the derived ecological and environmental problems such as karst rocky desertification
本文以位於貴州中部的貓跳河喀斯特流域為對象,以1973年的mss和1990年、 2002年的tm等衛星影像為數據源,運用rs - gis - gps集成技術,研究了該地區在過去三十年間土地利用/覆被變化的過程、驅動機制,運用clue - s模型模擬、預測了該流域在不同目標情景模式下的土地利用/覆被變化,並運用景觀生態學的方法對貓跳河流域過去三十年間的土地利用/覆被變化以及未來不同情景模式下的土地利用/覆被變化的生態效應進行了評價。Finally, the paper analyzed the impact of climate changes and human activities on the yellow river basin
最後,運用模型分析了氣候變化與人類活動對黃河流域降雨產流的影響。Fluid machinery in these areas is damaged due to cavitation and sand abrasion, which has threaten directly the safety operation of hydraulic and hydroelectric engineering, causing huge economic losses. the research, therefore, on the combined effect of cavitation and sand abrasion is of great significance. the researchers at home and abroad have done a lot of work on this issue
我國許多河流的含沙量較大,如著名的黃河幹流年均含沙量達37 . 9m ~ 3 / s ,黃河三門峽的年平均輸沙量達16億t ,這些地區使用的泵、水輪機等許多流體機械都在夾沙水流的作用下,受到了沙粒磨損與空化剝蝕的聯合破壞,這種破壞直接危害了水利水電工程的安全運行,造成了巨大的經濟損失,因而對含沙水流條件下空化剝蝕與泥沙磨損聯合作用進行研究有著很大的工程實際意義。分享友人