河成地形 的英文怎麼說
中文拼音 [héchéngdexíng]
河成地形
英文
fluvial landfom-
Therdly because of the influence of terrain and geological structure, arenaceous resources of different regions are different in mu us. sands are mainly from riverway in northwest ; from efflorescent cretaceous sandstone on account of higher topography in the middle part of mu us ; and sands resources are intricated in southeast, mainly including riverway sands, sands blown by the wind and embedded sands under so
3 、毛烏素沙地因受地形和地質構造影響,不同區域的砂質來源情況不盡相同,西北部地區主要為河道沙;中部地區地勢較高,為白堊系基巖裸露而風化成沙;東南部地區沙質來源情況復雜,主要有:現代河道砂、風積沙、也有埋藏在現代壤土之下的出露古沙。The management work data of oil - field earthquake exploration and oil - well position, which has not only data of current space position, but also entitative attribute data describing, have great capacity, traditional cad graphics describing the data plus the model database managing mode ca n ' t already adapt the modem exploration with well geography information for management work demand, so it is necessary to realize the unique management of exploration and oil - field well space data and attribute data use advanced geography information system ( gis ) technique, this thesis is based on the excellence ' s table ' s top geography information system - the maplnfo software, using the second process technique, the digital relief map and tectonic map as the base map, the earthquake exploration database as the original data, established the gis of the exploration and oil - field well in the area of the liaohe oil - field, realize visualization management, it provides a reference thereunder for the earthquake exploration deplo ying the workload and proceeding the technique design, and completed lots of practical work
油田地震勘探與油井井位管理工作數據量大,既有空間位置數據,又具有實體的屬性描述數據,傳統的cad制圖+屬性數據庫管理模式已經不能適應現代勘探和井位管理工作的需要,採用先進的地理信息系統( gis )技術,實現勘探和油田井位空間數據和屬性數據的統一管理是必然的趨勢。本文以優秀的桌面地理信息系統mapinfo軟體為開發平臺,在此基礎上進行二次開發,以數字化地形圖、構造圖為載體,以地震勘探數據庫為數據源,建立了遼河油田范圍內的地震勘探和油田管理信息系統,實現了數據的可視化管理,為地震勘探部署工作量、進行技術設計,提供了圖形和數據的參考依據。並完成了很多實際工作。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。To accommodate the regiments of miners, carston, waite and co. built the squares, great quadrangles of dwellings on the hillside of bestwood, and then, in the brook valley, on the site of hell row, they erected the bottoms.
卡遜一魏特公司為了安置大批礦工,蓋起了好幾個居民區,在貝斯伍德山腳下形成了一個個大四方院,后來又在小河谷地獄街的廢墟上,建立了陸地區。The author presume the original physiognomy of jiuzhai valley, and acknowledged changhai valley was a surface - water with uniform waterpower, the rize valley was a branch of it but the inequality rise of lithosphere, the deposit of earthquake landslides debris flows and falling or glacier blocked the river - way, furthermore, the flow water with high content of ca ( hco3 ) 2, so tufa dyke formed and evolvement the present dyke of lakes the present physiognomy formed on the base of those 2
由於地震、滑坡、泥石流引起的堆積物和冰川作用形成的冰磧物堵塞河道,再加上構造運動造成地殼的不均勻抬升,九寨溝的這種獨特的地質環境以及高含ca ( hco _ 3 ) _ 2的巖溶水流作用下,為caco _ 3沉積創造條件,沉積的caco _ 3加高、連接最終形成灰華堤壩,使湖泊的形成成為可能。It is indicated that the loess was mainly formed in late epipleistocene. and its sediment indexes can be compared with that of loess plateau roughly, though they have different formation causes and provenance
研究表明,二級階地形成於13000 8500abp ,一級階地形成於4000 500abp ,河漫灘是現代河流作用的產物。This paper discusses the train of thought for sea reclamation planning at the estuary district of the pearl river delta based on the research on sea reclamation, combining concrete conditions of the sea area at the estuary district, surrounding circumstances of resources, as well as the state of land utilization, and from the view of protecting the existing establishments near this district, and promoting the formation of favorable ecological environment at the district and implementation of the thought step by step under current policy
摘要通過對填海工程的相關案例研究,結合珠三角河口地區海域的具體情況、周邊資源條件及土地利用情況,從有利於保護周邊現有生產生活設施、有利於形成新的水岸生態環境、有利於在現行政策環境下分步推進等角度出發,探討在珠三角河口地區進行填海造地工程的規劃思路。The lake shore sandy dike in the shrinking process of " hetao ancient lake " in the geologic period, which is suffered from the wind force function " rises right on the sandy land ", is the substantial basis of the formation of maowusu sandy land
摘要地質歷史時期「河套古湖」退縮殘留的湖濱沙堤受風力作用「就地起沙」 ,是毛烏素沙地形成的物質基礎。The inner factors refer to the mechanical behavior such as the rock type, density, construction parameter, etc. and the outer factors refer to the foundation condition, geological condition, valley shape, rise and fall of water level, seepage due to respiration
內因是指堆石料的巖質巖性、密實程度、施工參數等組成壩體的各種力學性質;外因是壩址所處的基礎條件和兩岸的地形地質等條件、河谷形狀、水庫水位的變化、降雨浸潤等因素。The fall of global sea level during the last glacial maximum enhanced the fluvial gradient and river cutting, resulting in the formation of the large - scale qiantangjiang river and taihu incised valleys which were subsequently filled and rapidly buried in the post - glacial period, with the paleointerfluve being exposed to air on both flanks of the incised valleys
末次冰盛期,海平面下降的幅度大,增加了河流梯度、加強了下切作用,形成了錢塘江和太湖下切河谷,隨后在冰後期被充填和埋藏,下切河谷的兩側為暴露地表的古河間地。Once we got on the icefield parkway, the terrain changed ! we first came upon a string of beautiful lakes and hanging glaciers
一旦我們踏上冰原風景區幹道,整個地形就變了.首先看到連成一串的漂亮湖泊和懸掛著的冰河How to ensure the project implement safely and effectively, esp in the complicated condition of geology, the terrain and its features, is the key to restrict the project finishing successfully ; in this paper, the theoretic analyse and pratical study based on the extension of 309 country road ( from wuan to shexian in hebei province ), adopt the method of theoretical analyse, caculater and experiment, improve the controlling blasting skill and construction crafr of roadbed stonework, control the blasting harm effectively, accomplish the construction quickly and safely in normal conditions. the paper puts forward to the relative parameter applying to roadbed extension in beforecrack blasting, and raises the combination of beforecrack demolition and buffer demolition, which is the main way to conctrol the side - slope stable and taking shape. putting to use the achievement produces great social benifet and economic benefitjt has widely practical future
特別是在復雜的地質,地形及地物條件下,如何保證工程的安全快速有效實施成為制約工程順利完成的關鍵。本文的理論分析和實踐研究以國道309河北武安至涉縣段改建工程為依託,採用理論分析計算與現場試驗相結合的方法,研究並優化了路基石方控制爆破技術與施工工藝,有效控制了爆破危害,實現了保證現有公路正常運營條件下的快速安全施工,本文提出了在預裂爆破中適合於路基擴塹工程的有關參數。同時提出了預裂爆破與緩沖爆破相結合是控制邊坡穩定和成形的主要途徑。With the development of computer technology in hydrographic field, usage of many kinds of advanced and complicate algorithms is not a problem. but because of complexity of geography, acquirement of primitive data needed in hydrographic calculation is still hard to tackle, for example, the length of river segment, the width of every node of every river segment
隨著計算機技術的發展,在水文學及水資源學科,運用各種先進、復雜的專業演算法求解已經不成問題,但由於地形地貌的復雜性,水文計算中所需的原始資料,如河段的長度,河段各斷面上各個節點處的河寬等數據的人工實地採集工作仍然是很費時費力的事。We could not figure out where the fresh water came from, but it flowed into the pool and then out to form a little creek, which meandered into the ocean
池中的淡水是活水,不知從何處汨汨流來,匯成水池后,再順著地形蜿蜒成小河,緩緩流入大海。All these characters form unique river - valley landforms of the three parallel rivers
形成了獨具特色的「三江併流」河谷地貌。Jinsha river, nu river, lancang river and dulong river flush from the north to the south and form the relatively typical river - valley landforms which gives priority to the valleys
金沙江、怒江、瀾滄江、獨龍江自北向南奔流,形成了較為典型的以峽谷為主的河谷地貌。The main characters of the river - valley landforms are followed : the outstandingly longitudinal range - gorge landforms constitute the unique view of three parallel rivers ; the relative highness difference of the landform is great and the river valley cut deeply ; the formation and evolution of the river - valley landforms are obviously controlled by the geological structure ; the landforms types and the various characters of the landforms combination in the drainage area are prominent ; the geological environment has relatively strong frangibility ; the branches riverhead of the river - valley mostly come from high mountains and lakes, and the river - valleys of the branches along the banks have disproportional distribution
其河谷地貌的主要特徵有:突出的縱向嶺谷地貌,構成了少有的三江併流奇觀;地貌相對高差大,河谷深切;河谷地貌形成演化發育明顯受地質構造控制;流域范圍內地貌類型和地貌組合多樣化特徵突出;地質地貌環境具有較強烈的生態脆弱性;河谷支流水源多發源於高山湖泊,兩岸支流河谷分佈不均衡。Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering
摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況,利用gis技術模擬洞庭湖地形變化,採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化,為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。The situation of yellow river dry - up is gradually rigorous. it has being influenced the development of the lower reaches of yellow river and the implement of strategy on developing the western areas. based on analyzing the harmfulness, causes of its dry - up from the factors of physical geography and human activities, this article put forward the engineering and non - engineering control measures for controlling yellow river dry - up : strenghtening the unified management and despatch for its water resource ; resorting to compulsion to save water ; quickening key projects duild for the addition of balance and water storing capacity ; increasing synthetical administer to ecological environment ; increasing effectivesupply of water resource
黃河斷流形勢日趨嚴峻,斷流的頻率增加、時間延長、里程增大,嚴重製約了黃河流域尤其是黃河下游地區的可持續發展和開發大西部戰略的實施.在分析黃河斷流造成的危害、黃河斷流的自然因素和人為因素的基礎上,提出了加強黃河水資源的統一管理和調度、採取強制措施厲行節約用水、加快骨幹工程建設增加調蓄能力、加大流域生態環境綜合治理的力度、適時開源增加水資源的有效供給等工程性和非工程性措施,以防治黃河的斷流The first part mainly introduces the gis concept and contents of gis, the comparison between the related software and gis, the present condition and development trend of gis etc, then introduced how to use the gis technique in a specific way such as using the method of " the half - automatic to follow " to turn the map into arithmetic figure, using the method of " the automatic calculates " gets the length of the line and area of field etc, at last got the length and width of every cross section of the fabiela river which is located downstream of xiangshan mountain. this method is superior and time - saving comparing with collecting data on the spot, having important and actual application worth
第一部分主要介紹了gis的概念和研究內容, gis與相關軟體的比較以及gis的現狀、發展趨勢、當前gis研究的熱點等等,然後具體介紹了用gis的相關技術如:用「半自動跟蹤」方法對地圖進行數字化,用「自動量算」方法得到線對象的長度、面對象的面積等,最終完成了象山水庫下游法別拉河河道地形數據資料的提取工作,這種方法與人工實地採集工作相比,有較強的優越性和重要的實際應用價值。分享友人