陡下坡 的英文怎麼說
中文拼音 [dǒuxiàpō]
陡下坡
英文
steep down grade-
The trail zigzagged down the abrupt descent of the canyon.
這條小路彎彎曲曲的順著峽谷那陡削的下坡蜿蜒而下。This paper studies the perturbation action of celestial bodies ' movement on the earth from the view of celestial mechanics, and furthermore analyzes the effect of celestial bodies ' movement on the natural slope stability due to phosphorus ore mining in mountainous areas
摘要針對宜昌磷礦高陡山區地下開采對上部山體穩定性影響,從天體力學的角度探討天體運動對地球的攝動作用,並分析月球運動的引力對山區磷礦自然坡失穩的影響。Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward
文摘: 1998年長江大洪水后開始實施的「平垸行洪,退田還湖」的土地利用調整方案,從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用,長江中游地區應積極推進農業現代化,提高農業勞動生產率,轉移,減少分蓄洪區的人口,移民建鎮,對區內的土地要促進其規模經營,由優秀的有文化的農民經營,平時只有少量的直接從事農業生產的經營管理人員,農忙時則大量地使用季節性合同工或實現機械化,大洪水時退田還湖,減輕長江幹流大洪水的壓力,減少分洪與特大洪災時的損失,這樣還可促進避洪、冬季農業等的發展,也有利於長江中上游地區陡坡耕地的退耕還林,還可在糧食充足時進行休耕,在旱災、糧食緊張時擴大糧食生產?On the east terrace - fault slope of the depression, the sedimentary mode of fan - shaped delta - slump turbid fan - deep lake facies are developed. on the long axial direction of fula depression, the southeastern groove was filled with a large scale delta which was the main sources, the other little delta limited by the 3 syndepositional fault was distributed down the slope edge of the northern sub - depression. this stage developed a favorable oil sources, reservoir and regional seal which formed the good matching relations of generation, reservoir and seal in the time - space zone
Abugarbra組的sc和sd層序發育在邊界斷層和同沉積斷層活動劇烈、湖盆擴張期,凹陷中心發育半深湖-深湖相沉積,在凹陷陡坡發育近岸水下扇,斷階緩坡帶發育扇三角洲?滑塌濁積扇?深湖相組合,長軸凹槽和北部次凹的北部緩坡帶發育三角洲體系,此層位是有利生油層和巖性圈閉發育層段。She reached the cliff top and walked gingerly down the steep, narrow ramp, placing her feet carefully on the slippery boards.
她登上懸崖,戰戰兢兢地走下那道又陡又窄的斜坡,小心翼翼地把腳踏在那又濕又滑的碼頭板上。From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay
沉積微相研究是儲層非均質性研究的基礎,研究區有豐富的巖芯資料和測井資料,通過巖石組合、沉積韻律,砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志,結合古環境背景,確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系,而不是前人所認為的扇三角洲(陡坡型)體系,在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合,其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型;三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。The study area is composed of sandstone & conglomerate reservoir of alluvial fan & fan delta, which belong to sha3 lower member and sha4 upper member of lower tertiary of yong " an town oilfield in dongying depression. the target stataum develops in the hanging wall of the synsedimentary fault in the scarp zone of dongying depression. the frequently intense movements result in the variation of sandstone and conglomerate reservoir and the evolution of the time and space of sha3 lower member and sha4 upper member in yong " an town oilfield
研究區是東營凹陷永安鎮油田沙三下段、沙四上段的沖積扇和扇三角洲砂礫巖體,目的層發育在東營凹陷陡坡帶同生斷層的下降盤,因斷層多期強烈活動,導致永安鎮油田沙三下段、沙四上段的砂礫巖體成因類型多,時空演化變化大,在扇根一帶小層對比難度大,給油田開發帶來很大的難題,在這種背景下進行流動單元研究難度更大。Besides, the sedimentary facies of upper ganchaigou and lower ganchaigou formation were also mapped in supersequences which are the main target strata for exploration. the high resolution sequence stratigraphic framework showed the genetic relationship between the distributions of sedimentary facies and their tectonic settings. the near - source sedimentary systems such as subaqueous alluvial fan and lake - floor fan are often deposed in rise - hemicycles in the steep slope background in the north, the coarse lithology of fan - delta prograded from north to south in fall - hemicycles, and the braided stream facies are formed in the rise - hemicycles in gentle slope background in the south, braided stream facies prograded from sorth to north in the fall - hemicycles, but the lacustrine facies and salt lake facies developed in the middle part of the area
詳細的沉積相研究發現,紅獅地區第三系發育有沖積扇、水下沖積扇、河流、三角洲、扇三角洲、湖泊和湖底扇7種主要沉積相類型,並對作為區內主要勘探目的層系的下乾柴溝組和上乾柴溝組進行了以超層序為單位的沉積相平面編圖,以較高的時間解析度揭示了區內沉積相帶的平面展布及其在不同構造背景中的分佈規律,比如在北部的凹陷陡坡背景下,上升半旋迴低水位期通常發育有水下扇、湖底扇等陡岸近源特徵的沉積體系,下降半旋迴高水位期,扇三角洲相粗碎屑巖由北向南進積;在南部的凹陷緩坡背景下,上升半旋迴主要發育辮狀河流相,下降半旋迴辮狀河三角洲相由南向北進積;而中部紅柳泉一獅子溝一帶則為湖泊相沉積和鹽類沉積。He ran lurching down the steep slope to the road.
他蹣跚著沖下陡峭的山坡,來到公路上。At the first outset, heavy, miry ground and a matted, marish vegetation, greatly delayed our progress ; but by little and little the hill began to steepen and become stony under foot, and the wood to change its character and to grow in a more open order
一開始,泥濘難走的地面和亂蓬蓬的沼澤植物大大地耽誤了我們趕路。但坡面逐漸趨于陡峭,腳下的土質趨于結實,樹木變得高大稀疏,我們正走近的是整個海島最迷人的地方。Sedimentary characteristics of nearshore subaqueous fans in steep slope of dongying depression
東營凹陷北部陡坡帶近岸水下扇沉積特徵The reservoir rocks of the subaqueous fans in the western segment of the steep slope zone of northern dongying depression, shandong
東營凹陷北部陡坡帶西段水下扇體儲集層特徵The model of vertical eco - landscape was designed according to the slope and contour line : in the top land over 25, trees were planted to form a water - conserving forest ; in the slope land between 15 and 25, peach trees were planted ; between 5 and 15, loquats trees were planted ; less than 5, special species of fruit trees, melons and vegetables were planted ; the bottom field was characterized with water area of " rice and fish ", " lotus and fish "
其垂直生態景觀模式按坡度和等高線布置:在坡度大於25的山坡頂形成水保林木區,坡上15 25的陡坡種植桃樹,坡中5 15的斜坡種植枇杷,坡下小於5的緩坡地帶種植特種水果、瓜類及蔬菜,坡底形成「稻魚」和「藕魚」特色水域區。According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。With the action of the water pressure, the non - homogeneous deformation will emerge at the peripheral joint between the faceplate and the toe slab. under the circumstances of the high steep bank slope, the non - homogeneous deformation can damage the water seal and cause serious leakage
在高陡岸坡的情況下,面板堆石壩受水壓力的作用,周邊縫處的面板與趾板間要產生一定的不均勻變形,甚至使止水破壞,造成嚴重滲漏。The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project
工程設計中,壩型的選取顯得尤為重要,特別對于壩基有深厚覆蓋層的堆石壩,心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位,設計方案是否安全、科學和合理,對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果,為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考;在吸收和歸納了國內外堆石壩的設計研究成果的基礎上,對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案,分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析;對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究;對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究,比較全面的了解了各方案壩體,尤其是防滲體的應力和變形分佈規律,為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。There is sharp gradient in top and small gradient in bottom. the ability of removing flood is high in top and it is small in bottom correspondingly. sediment silt up continually, so the bed of river is jacked up year by year and become the famous river on land
由於泥沙含量高,現行河道已行水140餘年,山東段河床上寬下窄,坡度上陡下緩,排洪能力上大下小,在泥沙淤積作用下,河床逐年抬高,成為世界上著名的地上「懸河」 。On turning the corner, we saw that the road descended steeply
在轉彎的時候我們看見路陡然下坡。Preliminary analysis and studies on the application of the river improvement techniques to the downstream serpentine channel of lihe river section in luanhe - tianjin water diversion project are made, and then the improvement plan for the downstream channel is explored through the development and application of both the technique of the concrete mats and the technique of geosynthetics mattress placed for the protection of the high and steep side slopes of the downstream channel of lihe river
摘要針對引灤工程黎河下游多彎曲型河道採用的治理技術措施進行了初步的應用分析探討,並通過對黎河下游高陡邊坡防護中採用的模袋混凝土技術及軟體排技術進行的深入開發應用,探索了黎河下遊河道的治理方案。In order to study the effect of ground water on high and steep open pit slopes, flac3d was employed to simulate and analyze the stability of a high and steep open pit slope
摘要為了研究地下水對露天高陡邊坡穩定性的影響,採用三維有限差分數值計算方法對露天高陡邊坡的穩定性進行了固流耦合研究。分享友人