河流水力作用 的英文怎麼說
中文拼音 [héliúshuǐlìzuòyòng]
河流水力作用
英文
fluviraption- 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...
- 水 : 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...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 河流 : rivers; stream
- 水力 : waterpower; hydraulic power水力剝離 [采礦工程] hydraulic stripping; strip with water; 水力采礦 hy...
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The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage
系統的儲層特徵研究表明,該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖;儲層巖石經歷了壓實,膠結,溶蝕等成巖作用,歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期( b亞期)膠結充填孔隙縮小期三個成巖-孔隙演化階段;儲層物性總體上具有較低孔滲、低孔滲的特點,孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔,裂縫不發育,儲集巖排驅壓力和中值壓力較高,孔隙結構類型以細小孔-微孔隙,微細喉-微喉型為主。For understanding the dynamic processes of the all scales cloud systems of mei yu, and the relationship between mei yu system and the summer monsoon of eastern asia, the hubex has been carried on by the cooperation of china and japan in summer since 1998. the data observed by hubex, the data observed by other monsoon experiments and the general data ( gts data ) were merged into the assimilation system of game and made into the game reanalysis data, so how the game reanalysis data
為了更好地理解梅雨鋒區多尺度雲系的能量與水分循環過程以及他們與地面水文過程的相互作用,從而搞清梅雨區雲系的多尺度動力學及其與東亞季風的關系, 1998年夏季中日合作開展了淮河流域能量與水分循環試驗( hubex ) ,該試驗和game其他試驗的探空加密觀測資料作為原始資料的一部分經過同化分析,得到了game再分析資料。According to the test results from the yellow river water - sediment regulation, especially the first test, e paper analyzes the results of the scouring or deposition in the lower river and the area of the river - mouth bar, the adjustment of the channel morphology, the effect of channel regulation and the changes of flowing capacity of the lower reaches
根據這兩次黃河調水調沙試驗成果,特別是首次調水調沙試驗成果,對下遊河道沖淤效果、河口攔門沙區泥沙沖淤量及其分佈、河勢調整、整治工程作用及河道過流能力變化進行了分析。Both tidal mixing and wind stirring can weaken the vertical stratification induced by freshwater buoyancy, but different mechanisms dominate such a process : tidal mixing is accomplished through the upward dissipation of turbulent kinetic energy whereas wind stirring is in the opposite direction
盡管潮汐混合和風的攪動作用均能削弱河流沖淡水浮力引起的垂直層化現象,但是其控制機制有所不同:潮汐混合是通過湍流動能自下向上的耗散來完成的,風攪動的方向恰好相反。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。Firstly the present situation of hydraulic fracturing of rock mass was talked about, then, the hydraulic fracturing of rock mass test was carried out with cement mortar ( analogue material of rock mass ) thick tube hollow cylinder through seepage - stress coupling apparatus that was developed by the laboratory of seepage control in hohai. through the analysis of data, the thesis discussed the mechanism of the hydraulic fracturing of rock mass
首先對巖體水力劈裂研究的現狀作了較為詳細的綜述,然後應用河海大學滲流實驗室的滲流?應力耦合試驗儀對以水泥砂漿為巖石相似材料的厚壁圓筒試件進行了水力劈裂試驗,並對試驗結果進行詳細分析,對試件水力劈裂破壞機理進行了深入的探討。Because it is relatively reliable in both theoretical and practical research, the rigid bed model, which is without deformation under the action of river flows, is widely used in the river hydraulic simulations. the advantages of visibility and high accuracy of the rigid bed models are evident for the complicated boundary conditions of rivers
在河道水力模型中,尤以河床在水流作用下不發生變形的定床模型應用最為廣泛,在理論上和實踐上都已比較成熟,當河段的邊界過于復雜時,其直觀、準確的優越性更為明顯。The outcomes show that the rational annual volume of water regulation should be 16 billion m ^ 3 under the joint actions of three random processes of annual water deficit of huayuankou station, carrying capacity of the main river and distribution volume of huayuankou and ; the plan of annual water regulation of 17 billion m ^ 3 and 8 billion m ^ 3 is also feasible
結果表明:在花園口站年缺水量、黃河幹流輸水能力和花園口配水量3個隨機過程共同作用下,合理的年調水量應為160億立方公尺;年調水170億立方公尺和80億立方公尺,也是可行的方案。Freezing is a general phenomenon in the cold area. ice flood is a rise of water when ice is hindered in river course
冰凍是寒冷地區普遍存在的一種自然現象,而凌汛則是河道里的冰凌對水流的阻力作用而引起的一種漲水現象。Influenced by flood dominated current in the flood channels, the characteristics of surface sediments, such as grain size, light and heavy minerals, micro - paleontology and magnetism in the flood channel are very different from those in the ebb channels, this kind differences is the response for complex hydrodynamic in estuary
河口漲潮槽在漲潮優勢流作用下,槽內表層沉積物的粒度、輕重礦物、微體古生物和磁學等特徵不同於落潮槽相應的沉積特徵,體現了沉積物的分佈對河口復雜水動力的響應。The influence factors of the river course evolution include climate, hydrology, geology, geological tectonic, colioli force, and human activity, and their functions are different, and they are more and more important in the last 50 years, especially water current containing sand, and human activity
影響河道演變的主要因素有氣候、水文、地質、地貌、地質構造、科氏力及人為因素等。但這些因素對河道所起的作用是不一樣的。近五十年來,地質構造、水文特別是含沙水流及人為因素對河道改造起了越來越重要的作用。Although the malinan water supply project was scheduled to be completed in a month s time, the people s concerted effort shortened the work time by about half. two water towers were built - one at the river s source to collect uncontaminated spring water flowing from between the rocks, and the other on level ground conveniently accessible to the people. the water towers were connected by pipes and the water was driven by electric pumps
科塔巴托省馬里南村的供水系統,預計一個月完成,結果由於人民的全力合作,不到二個星期已近尾聲了,他們在河流的水源處做一個水塔儲蓄從巖壁流出來沒被污染的泉水,然後再到平地方便大眾提水的地方再做一個水塔,利用發電機以及大水管來和水源處的水塔連接,就這樣供水系統形成了。Abstract : in the face of historical opportunity of state carrying out west development strategy, raising returning the grain plots to forestry and grass and rebuilding mountains and rivers beautiful, points at trunks stream area of tarim river especially green corridor ecology worsen real problem of lower reaches, analyzes actual reasons of producing problem, under the premise of clearing and definiting returning the grain plots to forestry ( grass ) is main measure of improving ecology, expounds effects and meaning of returning the grain plots to forestry ( grass ) for improving ecology of the region, discusses returning the grain plots to forestry ( grass ) should master and handle improving ecology with economic development, improving ecology with agricultural structure regulation, the relationship of modern technology appliance with traditional style and approaches reasonable forestry and grass proportion and scientific combining style of forestry and grass in carrying out returing the grain plots to forestry ( grass )
文摘:在國家實施西部大開發戰略,提出退耕還林(草) ,再造山川秀美的歷史機遇面前,針對塔里木河幹流區尤其是下游綠色走廊生態環境惡化的現實問題,分析產生問題的具體原因,闡明在合理開發、利用和配置水資源的前提下,退耕還林(草)是改善生態環境的有力措施以及實施退耕還林(草)對改善該區域生態環境的作用和意義,論述退耕還林(草)應掌握和處理好改善生態與經濟發展、改善生態與農業結構調整、現代技術應用與傳統方式的關系,探討退耕還林(草)中合理的林草比例及科學的林草結合方式。In the face of historical opportunity of state carrying out west development strategy, raising returning the grain plots to forestry and grass and rebuilding mountains and rivers beautiful, points at trunks stream area of tarim river especially green corridor ecology worsen real problem of lower reaches, analyzes actual reasons of producing problem, under the premise of clearing and definiting returning the grain plots to forestry ( grass ) is main measure of improving ecology, expounds effects and meaning of returning the grain plots to forestry ( grass ) for improving ecology of the region, discusses returning the grain plots to forestry ( grass ) should master and handle improving ecology with economic development, improving ecology with agricultural structure regulation, the relationship of modern technology appliance with traditional style and approaches reasonable forestry and grass proportion and scientific combining style of forestry and grass in carrying out returing the grain plots to forestry ( grass )
在國家實施西部大開發戰略,提出退耕還林(草) ,再造山川秀美的歷史機遇面前,針對塔里木河幹流區尤其是下游綠色走廊生態環境惡化的現實問題,分析產生問題的具體原因,闡明在合理開發、利用和配置水資源的前提下,退耕還林(草)是改善生態環境的有力措施以及實施退耕還林(草)對改善該區域生態環境的作用和意義,論述退耕還林(草)應掌握和處理好改善生態與經濟發展、改善生態與農業結構調整、現代技術應用與傳統方式的關系,探討退耕還林(草)中合理的林草比例及科學的林草結合方式。Water is the most important element, based on this view of point, in order to use rationally water resource and bring into play man ' s efforts, ecological construction plan is put torward depending on the views of landscape ecological principles and methods. the main tasks of landscape ecological construction are river corridor construction, vegetation construction and oasis construction. as a result, capacity and stability of eco - system are strengthened in continental river basin in arid zone
由於水是乾旱區內陸河流域的關鍵因素,為了合理利用水資源,積極發揮人的作用,從景觀生態學理論與方法的角度,提出了以河流廊道建設、植被景觀建設、綠洲景觀建設為核心的生態建設方案,以增加內陸河流域整個生態體系的容載力和穩定性。Through analysis and study, it is believed important and feasible that the implemented projects, the importing feng jia - shan reservoir into yang mao - wan reservoir and the water supply from shi tou river to xi ' an city ; form the synthetic analysis of the main factors - quantity, time, apace and user " character, it can be conferred that it is not necessary for the four projects in the western areas to join together at present ; adding gate at the 2 head of lin jiacun trench can only help to relax the problem of lack of water in bao jixia irrigation area, to solve the problem of short of water in the irrigation area needs to take project measures at the trunk and branches of wei he river from lin jia village to the upper stream ; the mode of supplying water of the four projects in the western areas are all by gravity, they can only be supplied one way and ca n ' t be supplied each other
通過分析研究認為:已實施的引馮濟羊工程和石頭河西安供水工程,是十分必要的和可行的;從水資源配置的主要要素? ?數量、時間、空間和用戶性質的綜合分析研究來看,西部四大工程目前尚無整體聯網的必要;林家村渠首加閘對解決寶雞峽塬上灌區缺水僅能起到緩解作用,從根本上解決塬上灌區的缺水問題,還必須從林家村以上渭河干支流上採取進一步的工程措施;西部四大工程均為重力供水,只能單補,而不能互補。分享友人