河成三角洲的 的英文怎麼說
中文拼音 [héchéngsānjiǎozhōude]
河成三角洲的
英文
fluvial-deltaic- 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...
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 三 : Ⅰ數詞1. (二加一后所得) three 2. (表示多數或多次) more than two; several; many Ⅱ名詞(姓氏) a surname
- 角 : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
- 洲 : 名詞1. (大陸和附近島嶼的總稱) continent 2. (河流中由沙石、泥土淤積而成的陸地) islet in a river; sandbar
- 的 : 4次方是 The fourth power of 2 is direction
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Physical simulation of formation process in distributary channels and debouch bars in delta
三角洲分流河道及河口壩形成過程的物理模擬They were the terror of the ganges delta.
他們已成為恆河三角洲的令人膽寒的力量。The result is that this gas pool has simple structure, only forms a little nose - like structure at the district of fenghuangshan ; this pool belongs to delta front sub - facies sedimentary model, the underwater distributary channel and mouth bar is the better sedimentary microfacies ; the physical property of the reservoir is poor, the type of pore of the reservoir rock mostly are intergranular pore, intergranular solution hole and little are intercrystalline micropore ; the influential factors of pore structure and physical property are lithofacies, lithologic character and diagenesis ; the off - take potentia of all the testing well are deadly shortness, the wells have the worth of industrial recovery only under the condition of going through sand fracturing, and in the early of binging into production, the oil and sheath pressure drop rapidly, the production of the well drop rapidly
研究認為該氣藏構造簡單,只在鳳凰山形成了一個小型的鼻狀構造;屬於三角洲前緣亞相沉積模式,水下分流河道和河口壩是有利的沉積微相;儲層物性差,儲層巖石的孔隙類型主要有粒間孔、粒間(內)溶孔及少量晶間微孔;影響蓬萊鎮組氣藏儲層孔隙結構及儲集性的因素有巖相、巖性條件及成巖作用;所有測試井自然產能都極低,必須經加砂壓裂后才有工業開采價值,且投產初期,油套壓下降較快,氣井產量下降迅速。The south part was slope and deep floor of the lake, and the north part was a broad shallow - water platform of the latchstring shore. in the north part, chang - 6 and chang - 7 oil - bearing beds of yanchang formation were typical shallow - water platform delta with an incomplete progradational sequence, in which the delta plain facies were well developed and the river - mouth bars were not developed
受沉積基底地形的嚴格控制,發育于淺水臺地背景上的延長組長7 ?長6油層組表現出典型的淺水三角洲沉積特徵,具有發育的三角洲平原沉積,而前緣河口壩不發育,剖面上難以形成完整的進積序列。The main process of regional ecological risk assessment includes 5 stages : regional analysis, risk receptor selection, risk sources analysis, exposure and hazard analysis, and integrated risk assessment. arming at flood, drought, storm tide, petroleum pollution accident and flow breaking in the lower huanghe river, the probability and distribution of each kind of risk sources are evaluated. the authors bring forward indexes and formulas to measure hazarded degree and risk value of ecosystem. by using remote sensing data, historic record, survey data and by means of geographical information system, regional ecological risk assessment is finished. on the basis of assessment result, the environmental risk management countermeasure of the huanghe river delta is advanced
以黃河三角洲為例進行了區域生態風險評價理論和方法的探討。針對黃河三角洲主要生態風險源洪澇乾旱風暴潮災害油田污染事故以及黃河斷流的概率進行了分級評價並提出度量生態損失與生態風險的指標和公式,分析了風險源的危害作用運用遙感資料歷史記錄調查數據和地理信息系統gis技術,完成了區域生態風險綜合評價在此基礎上提出黃河三角洲的區域生態風險管理對策。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。By summarizing and analyzing the geological setting, uranium source, paleoclimate, hydrology, lithologic - lithofacies conditions in the region, it is indicated that the quantou formation in fanjiatun - jiutai area and the qingshankou formation in yangdachenzi area are potential metallogenic prospective areas for in - situ leachable sandstone type uranium deposit in the region, which develop braided channel or delta marginal sandstones, and possess favorable forming conditions of interlayer oxidation zone, and constituting supply - passage - discharge system of abundant uranium source
綜合研究區域成礦地質背景、鈾源、古氣候、水文地質、巖性巖相條件,認為范家屯九臺一帶的泉頭組及楊大城子一帶的青山口組發育辮狀河或三角洲前緣砂體,構成了鈾源供應充足的補徑排系統,具有有利的層間氧化帶形成條件,是本區地浸砂巖型鈾礦的有利成礦遠景區帶。The analyses of the sedimentary facies, rock geochemistry and reformation after the sedimentation from the upper cretaceous quantou formation to nenjiang formation indicate that the beneficial sand - bodies of the uranium deposit are mainly quantou formation ' s braided channel and qingshankou formation ' s delta sandstone types
摘要從上白堊統泉頭組嫩江組沉積相展布、巖石地球化學及沉積期后改造作用分析入手,闡明了研究區有利鈾成礦砂體主要為泉頭組的辮狀河與青山口組的三角洲砂體。( 4 ) one of the mtdna haplotypes in the population of shandong yellow river nature reserve was shared with populations of the two breeding areas, and the other was endemic, it implied that this wintering population possibly was composed by different populations including these two breeding populations, and its genetic diversity was higher than the population of breeding area
( 4 )山東黃河三角洲種群的2個單元型中, 1個與兩個繁殖地的相同,另一個為該種群所特有,這提示這個越冬種群,是由包含上述兩個繁殖地在內的多個不同的種群組成的,可能擁有比繁殖地要高的遺傳多樣性水平。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。The yellow river delta that is one of three most largest estuary delta in china locates an intersect area between the economy circle around the bohai sea and the economy belt of the yellow river valley. natural resources like petroleum, natural gas, bittern and terrestrial heat enrich the yellow river delta area. moreover, the natural endow of wetland resources, marine products resources and land resources abound in this area
黃河三角洲是我國三大河口三角洲之一,地處環渤海經濟圈和黃河流域經濟帶的交匯點,有豐富的自然資源,如石油、天然氣、鹽鹵、地熱等,同時具有巨大的濕地資源、豐富的海產資源、廣闊的土地資源,土地利用變化劇烈,成為研究土地利用變化的熱點地區之一。A delta is a deposit of sediments that forms near the junction of some rivers with a standing body of water.
三角洲由沉積累積而成,這些沉積物形成於某些河流與靜水體匯合處的附近。In the chronstratigraphic framework, the facies, the depositional system and the principle and range of reservoirs distribution are studied. the main depositional system is braided delta ? ub - lake fan. the coarse lithofacies which form braided delta depositional system is sub - water channel deposits ; the coarse lithofacies which form the sub - lake fan depositional system include turbidity channel deposits and bedded turbidity deposits
在等時地層格架內,總結了各個中期旋迴的沉積相類型、沉積體系和展布規律及范圍,認為研究區在該時期以辮狀三角洲?湖底扇沉積為主;構成辮狀三角洲的粗碎屑相為水下分支河道;構成湖底扇的粗碎屑相包括:濁流水道相、層狀濁積巖相。The seawater thereafter withdrawed southward away from the area, and form abundant stream, lake and delta deposit in shanxi stage and the early shihezi stage and stream, lake and bog deposit in the late shihezi stage and shiqianfeng stage
隨后,海水向南退出本區,並在山西期、石盒子早期形成廣泛的河流、湖泊和三角洲沉積,在石盒子晚期和石千峰期形成河流、湖泊和漫灘沼澤沉積。The disaster of saline water intrusion has arisen continually at stream outlet area of the pearl river delta from the end of 1990s, which has brought on lack of water supply to fifteen millions people
摘要從上世紀90年代末開始,咸潮災害在河流枯水期頻繁侵襲珠江三角洲近河口地區,給1500萬人口的生活和生產用水造成了很大的困難。To discuss huanghe delta ' s terrestrial deposit process
簡析黃河三角洲的成陸過程Based on the results of the study about the geological background in this area, this paper has discussed about the sedimentation facies marks for the fan delta in baimiao gas field, worked out a detailed proposal about the development of physical simulation experiment about the fan delta, and described in detail the general laws and major controlling factors governing the sedimentation processes of the fan delta. a detailed measurement was made about the experimental results, and a systematic comparison was made relative to the prototypic characteristics. based on the observation and description about the experimental processes and the analyses about the experimental results, this paper has given detailed
在地質背景研究的基礎上,對白廟氣田扇三角洲沉積相標志進行了論述,在此基礎上,制定了開展扇三角洲物理模擬實驗的詳細方案,詳細描述了扇三角洲沉積過程的一般規律及主要控制因素;對實驗結果進行詳細的測量,並與原型特徵進行了系統的對比,根據實驗過程觀察描述和實驗結果分析,詳細劃分了白廟氣田扇三角洲的巖石相類型及沉積微相;分22個砂層組完成了沉積微相尤其是扇三角洲上辮狀河道展布規律的研究,分不同時期指出了22個砂層組砂體分佈規律,為儲層預測及該地區滾動勘探奠定了基礎,這是本論文的重點內容之一。Member - one of nenjiang group is divided into sa 0 sand - group. the same points of medimentary microfacies types and distribution by developed in many sand groups lies in that they dominate with river delta and shore - shallow lake in west and dominate with deep lake - semi - deep lake and contain gravity flow. the change of sediment scope of each sand - group makes deep lake - semi - deep lake and sublacustrine fan sediment of ga 0 and pu 2 sand - groups not being developed during the lest sediment area, but the deep lake - semi - deep lake and sublacustrine fan sediment during the largest sediment scope of sa 0 is well developed
多數砂組發育的沉積微相類型和分佈的共同之處在於,西側多以河流三角洲和濱淺湖沉積為主,東部以深湖?半深湖為主其中夾有重力流,但由於各砂組沉積范圍的變化,造成沉積區最小時期的高0 、葡2砂組深湖?半深湖及湖底扇沉積不發育,而沉積范圍最大時期的薩0砂組深湖?半深湖及湖底扇沉積極其發育。The pac arrangements have saved much of vessels operational costs and time in waiting for immigration clearance. the facilitation provided to the mrctvs also helps enhance the river trade transportation business and promote the economic co - operation between hong kong and the pearl river delta
預檢安排可大大減省船隻的經營成本及等候辦理入境手續的時間;而給予內河船申請預檢的方便,更有助促進內河物流事業及推動香港與珠江三角洲的經濟合作。分享友人