長流河 的英文怎麼說
中文拼音 [zhǎngliúhé]
長流河
英文
perennial river-
The altai mountains in southern siberia form the major mountain range in the western siberia biogeographic region and provide the source of its greatest rivers the ob and the irtysh
位於西伯利亞南部的阿爾泰山是西西伯利亞地理生態區的主要山脈,也是世界上最長的河流之一鄂畢灣的源頭。The main sedimentary microfacies are submerged distributary channel, debouch bar, submerged natural levee and flood - plain splay. the research shows that the physical property of subermerged distributary channel sandbodies are the best and debouch bar comes second
長4 + 52長62油層砂體的沉積微相類型主要有水下分流河道、河口壩、水下天然堤和水下決口扇等,其中水下分流河道砂體的物性相對最好,其次為河口壩砂體。In consideration of the crises of both the industrial water and the domestic water in the estuarial areas of the yangtze river caused by the decrease of the channel runoff and the intrusion of the sea water during the dry season in dry year, the concept, method and planning framework of the water resources allocation for the areas mentioned above along the main stem of the river are put forward herein based on the preliminary prediction of the future water demands by taking the water resources allocation therein during the dry seasons as the actual case in combination with the status quo of the water environment and water resources utilization concerned
摘要針對枯水年枯水季,因河道徑流量較少,鹽水入侵的頻率和強度顯著提高而引起的長江河口沿岸地區生產生活用水安全,文中結合長江口地區水資源利用和水環境現狀,以大通以下長江幹流地區在枯水季水量分配為實例,在初步預測未來河口地區水資源需求的基礎上,提出長江口地區水資源配置的思路、方法及方案框架。A row of sunken dwarf willows borders the stream on one or both sides, while at a greater distance the meadow is skirted with maples, alders, and other fluviatile trees, overrun with the grape - vine, which bears fruit in its season, purple, red, white, and other grapes
沿著溪流的一邊或者兩側有一排沉入水中的矮柳,而稍遠處,草甸則被楓樹、榿木以及其他一些長在河裡的樹圍繞著,葡萄藤則四處蔓延,一到結果實的季節,這里就會長出紫的,紅的,白的以及其他各種葡萄來。Cu l es el r o m s largo de colombia
哥倫比亞最長的河流是哪條?There will eventually be a total of 12 turbines on the right side of the three gorges dam, which is in the midsection of the yangtze, china ' s longest river
三峽大壩右側未來一共將有12個水輪發電機組。三峽大壩位於中國最長的河流長江的中段。The yanchang formation is divided, for the first time, into six third - order sequences, each with an average time duration of about 4. 5 ma. the single sequence is composed of deltaic and lacustrine sandstones, siltstones and mudstones. the subaerial and subaqueous distributary channel and channel - mouth bar sandstone reservoirs are well developed mainly in the lowstand and highland systems tracts
論文在富縣探區首次應用陸相層序地層學的觀點和方法,把延長組劃分為6個三級層序,平均時限4 . 5ma ,各層序由三角洲與湖泊相砂、泥巖沉積組成,主要在低位體系域和高位體系域發育水下(上)分流河道和河口砂壩砂巖儲層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。The delta front mainly developed in chang 6, which includes microfacies, such as distributary channel sandbodies, river mouth bars, distal bars and so on
長6期是三角洲建設的高峰期,發育三角洲水下分流河道與河口砂壩砂體及遠砂壩微相。Depending on the above studies, the following conclusions can be obtained : 1 ) chang - 6 oil reservoir set of panguliang is a set of continental clastic sediment composed of lacustrine and deltaic system in which estuarine bar is not well developed
研究結果認為:靖安油田盤古梁油藏長6油層組屬于以水下分流河道為主的具有強烈的進積作用,以水下分流河道為骨架砂體,河口砂壩不很發育的河控型湖泊?三角洲體沉積,主要發育三角洲前緣相。According to observing the core and well logging facies analysis, yanchang 4 + 5 sector to yangchang 3 mainly developed underwater distributary channel, river mouth bars, underwater natural levee, underwater crevasse splay, interdistributary bay, far bars, etc. and some shallow lake subfacies
根據巖芯觀察以及測井相分析,認為長4 + 5 ?長3期以水下分流河道、河口砂壩、水下天然堤、水下決口扇、分流間灣和遠砂壩等沉積微相以及部分淺湖亞相沉積為主。Hydrology regime and river channel evolution become complex because of double influences of river flow and tide. there is little appropriate method so far. therefore, when the impact us assessed of water project on flood control, the following aspects should be focused on, river evolution and stability of project - sections, design tidal level, flood - tide combination scheme, pre - project and post - project impacts on river channel, water level and flow condition
長江河口段為潮流河段,徑流潮流的雙重作用使得區域水文情勢、河道演變規律錯綜復雜,開展防洪影響評價研究時,河道演變及工程段穩定性分析,設計潮位的分析計算,洪潮組合方案擬定,工程前後對河道及水位流態影響的模擬等均是目前尚無十分成熟的方法,需要進一步研究的課題。Influences of the shrink of dividing channels and the dongting lake on the flood in the yangzte river
分流河道淤積與洞庭湖萎縮對長江洪災的影響The yangtse river is the longest river in china
註解:長江是中國最長的河流。The longest river is the yangtze, which is 6 300 km. longand drains a basin of over 1 800 000 sq. km
最長的河流是長江,它有6300公里長,有著1800000平方公里的灌溉面積。Effects of maintenance and raise of water level at yichang station by river bottom protection and roughness addition method and pool back - fill method in the reach from yichang to zhicheng of the changjiang river are calculated and compared by using a 2 - d flow numerical simulation method
摘要運用二維水流數值模擬方法,計算比較了在宜昌枝城的長江河段內選取重點控制河段,進行護底加糙及回填深槽對維護並抬高宜昌水位的效果。West pipeline crossing heihe river is the longest crossing project by a large excavation way and the method of laying both crude oil pipeline and products pipeline in a single trench
摘要黑河是西部管道工程採用大開挖方式穿越的距離最長的河流,原油與成品油管道採用同溝敷設方式穿越該河流。All the applications of the three models obtain inter - confirmed results so that the credible hydraulic conditions could be provided for the further calculation of the bedload transport
由於採用多種模型對長江河口水流進行數值模擬,便於相互印證,從而為長江口推移質輸沙計算提供了可靠的水力依據。Chang - 2 oil - bearing beds of the yanchang formation, which is one of the most important oil - producing beds in the area, is mainly composed of braided river deposits with the meandering river existed only in the restricted northwest part of yanchang
延長地區上三疊統長2油層組是一套發育于淺水臺地背景之下的陸源碎屑巖沉積,以辮狀河河流相沉積為主,曲流河沉積僅在研究區西南角小面積分佈。According to the cutout charactoristic data of the lower reaches of the yellow river, and using mathematical statistcs methods, the paper analyses the correlative relations among the cutout days, cutout length and the amounts of the silt accumulation in the lower reaches of the yellow river
根據黃河下游1972 1997年斷流特徵觀測數據,應用數理統計的方法,分析了黃河下游斷流河長、斷流歷時和泥沙淤積量之間的相關關系分享友人