河流中部 的英文怎麼說
中文拼音 [héliúzhōngbù]
河流中部
英文
midchannel-
The asian side ? anatolia is broken up by the valleys of about 15 rivers ， including the dicle （ tigris ） and the firat （ euphrates ） in the east of turkey
亞洲部分?安那多利亞被15條河流所分割，其中包括在土耳其東部的底格里斯河和幼發拉底河。The presence of dunes or antidunes in streams alternately decreases and increases the local depth.
河流中沙壟和逆行沙壟的存在，使局部水深交替地增大或減小。Secondly, based on the microbeam analytical technique, on the one hand, through investigating the characteristic of major elements in the mantle minerals the author acquired the static information from mantle ; on the other hand, through multi - point analysis of a part of the minerals from mantle, the auther got dynamic information from mantle. finally, generalizating the fruits of this study and predecessors, the autor holds that the constituents of lithospheric mantle possibly includes spinel lherzolites, clinopyroxenites, websterite, dunite, harzburgites, garnet lherzite, phlogopite lherzite, eclogites, clinopyroxene megacrysts ; compared with east china and north china platform, the research field mantle shows the characteristics of higher degree of partial melting processes and more depleted mantle ; the. upper mantle beneath north hetian area is heterogeneous, with a tendency of deficit in a12o3 and lree from kaliyang in west hetian to the river basin of kalakshi river and yulongkashi river ; the subduction of the crust beneath north hetian has ever occurred in geological history and caused the mixing of mantle - crust ; the depth of the origination of basaltic magmas beneath north hetian exceeds 73km ; the thickness of the lithosphere beneath the research area amounts to 204. 9km ; the mantle beneath north hetian has geological condtions for forming diamond deposits
最後，綜合本區幔源礦物和地幔巖石的特徵以及地球物理資料，得出如下結論：本區上地幔的物質組成有尖晶石二輝橄欖巖、二輝巖、單斜輝石巖、純橄欖巖、方輝橄欖巖、石榴石二輝橄欖巖、金雲母二輝橄欖巖、榴輝巖；與中國東部以及華北地臺上地幔相比，研究區上地幔具有富集主元素中相容元素和虧損其中的不相容元素的特徵，局部熔融程度較高；上地幔存在橫向和縱向的不均一性，從西部的克里陽到喀拉喀什河和玉龍喀什河流域， al和lree富集程度呈下降趨勢，不同來源的相同礦物中主元素的含量差異較大；地質歷史時期這里可能發生過地殼俯沖並產生殼幔混合作用；玄武巖漿的起源深度73km ；從幔源重砂礦物的溫壓估算結果，可以推斷出巖石圈厚度可達204 . 9km ；綜合巖石圈物質組成特徵、巖石圈熱狀態、地幔溫壓狀態、氧逸度以及幔源巖石和幔源礦物的化學成分，認為研究區具備了金剛石成礦地幔地質條件。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。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。As a result, vulnerable ecological environment is showed with the ecological bearing capacity in middle reaches of hetian river. in the view of the features of landscape pattern in the middle reaches of hetian river, the landscape protection principles of development, harmonization and reality and ecological landscape construction principle including adapting nature, mutualism, adjusting ecosystem and meliorating function, local regulation and whole " harmonization are put forward
A ，指出區域內生態環境質量在提高，但依舊無法脫離荒漠生態體系，是一種極其脆弱的生態環境。針對和田河中游地區景觀生態的具體特點，提出了發展、協調、現實的景觀保護原則以及適應自然、共生互利、調整結構，改善功能、局部控制與整體協調的景觀生態建設原則，相應地制定出河流廊道建設、綠色植被建設以及綠洲建設的景觀生態建設途徑The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north
實驗結果表明：粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用；磁化率和全鐵很好地指示生物風化成壤作用； sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用；總有機碳（ toc ）含量的高低，在一定程度上反應了土壤發育過程中氣候和植被狀況的變化，指示著成壤過程中腐殖質化的程度； caco3含量的變化，可以反映了黃土古土壤形成時的風化成壤作用的強弱程度，指示成壤過程中的淋溶作用和次生碳酸鹽化作用；並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異，即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。The material sources of the zhangxia loess which is exposed on the terraces in zhangxia of changqing region of jinan are complicated, including materials transported by northwestern current and eastern bohai bay current and the local pluvial sediments
其中出露在河岸階地的濟南市長清區張夏鎮的黃土物質來源復雜，既有西北氣流、東部渤海灣氣流搬運而來的物質，又有當地生成的坡洪積碎屑物質。What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank
研究結果表明：設置低坎分流墩后，消除了擺動水躍水舌擺動的根源，提高了水躍的消能效果，改善了下游水流流態。下游水體的主流在中部，既有效的降低了坎后水流底流速，減輕水流對河床的沖刷，又避免了主流位於表面導致波浪過大的結果，下游的水面波浪明顯得到削減。依據經驗公式，可根據工程水流條件設計出低坎分流墩的體型參數，進而估算出下游沿程的水面波浪，為下游岸邊的砌護提供依據。Create attractive urban spaces centering on the sumidagawa river asakusa and ryogoku area, the small rivers in the koto delta area and the canals by introducing bustling activity to the waterfront, forming a lovely waterscape, and promoting improvements in transportation access and the water environment
創造水邊地區的繁華氣氛，以隅田川淺草和?國地區江東內部河流和運河為中心建立有吸引力的城市空間，形成美麗的水邊景區，同時促進水上運輸和水環境的改善。" one branch of it, " according to the historian of concord, for i love to quote so good authority, " rises in the south part of hopkinton, and another from a pond and a large cedar - swamp in westborough, " and flowing between hopkinton and southborough, through framingham, and between sudbury and wayland, where it is sometimes called sudbury river, it enters concord at the south part of the town, and after receiving the north or assabeth river, which has its source a little farther to the north and west, goes out at the northeast angle, and flowing between bedford and carlisle, and through billerica, empties into the merrimack at lowell
「它的一條支流」 ，據研究康科德河的歷史學家說（我喜歡引用權威） ， 「發源自霍普金頓的南部，另一條支流來自西區的一個池塘和一大片雪松沼澤， 」它們從霍普金頓和南區的中間流過，途經弗萊明翰，然後穿過薩德伯里和韋蘭（在這一段它有時被稱為薩德伯里河） ，從南部進入康科德鎮，在與發源自較遙遠的北面和西面的阿薩貝斯河交匯后，從東北方向流出，然後從貝德福德與卡萊爾中間穿過，流經比勒瑞卡，最終匯入洛厄爾的梅里馬克河。The sukhothai kingdom, considered the forerunner of the modern thai nation, was founded in the 13th century when thai - speaking peoples migrated from southeast china to the river yom, 230 miles ( 370 kilometers ) north of bangkok
素可泰王朝被認為是現代泰族的祖先，其建立於公元十三世紀，當時一批講泰語的民族從中國的東南部遷移到曼谷以北230英里（ 370公里）的永河流域。For decades, the prevailing hypothesis about miocene amazonia held that a shallow sea swamped the region for much of that epoch
關于中新世的亞馬遜河流域，過去數十年來，一般的假設是在中新世的絕大部份時間，有一座淺海淹沒了該區。Overall idea can come to summary with " one area, one ring, one band, one lake " : " one area " points at the west low mountain area of forest ecological protection. " one ring " points at a blue green ring. blue ring band points at river water surface and along the river forest belt
整體設想可以用「一片、一環、一帶、一水」來概括： 「一片」指西部中山林木生態保護區， 「一環」指一個藍色環帶，即藍色環帶指河流水面和沿河林帶建立起市域的生態環帶。The above circul ation structure cause that rain belt tend to north in summer in china, rainfall of the yellow river valley and north china become more, but rainfall of south to the yellow river and yangtze river valley become less, meanwhile temperature of northwest and central region become high, but temperature of south department foreland become low
這樣的高低空的環流配置造成我國夏季雨帶位置偏北，多雨區在黃河流域及華北地區，而黃河以南、長江流域降水偏少，同時我國西北和中部地區氣溫偏高，南部沿海地區的氣溫偏低。Furthermore, sorting of the sandstones in the braided river is better compared with that of in the meandering river system. in the same subfacies, grain size is larger and sorting is better in the channel sandstones which developed with large - scale cross - beddings such as trough cross - bedding, compared with sandstones in the flood microfacies. in the same microfacies, better sorting and coarser grained sandstones are distributed in the middle and lower part of the unit
與曲流河亞相相比，辮狀河亞相砂巖的粒度較粗，分選性較好，砂體多次疊置而規模更大；相同河流亞相的河道微相與泛濫平原微相相比，前者的砂巖粒度較粗、分選性較好，發育槽狀交錯層理等大型層理構造；在同一微相內，處于中下部的流體單元其粒度較粗，分選較好。One more example is usa, if there were no hills, rivers, and wide field in its midwest which brought up the early cowboy, exploiter spirit, can the opening, innovative folkway nowadays exist
再說美國，要是沒有中西部的山川河流、遼原闊野，造就早期的牛仔、開拓者精神，能有如今開放、創新的民風？With reof analyze technique, the mainly anomalous spatial features of soil humidity in the 0 - 50cm layer of huai river basin and their relations to different periods of precipitation and air temperature are specially analyzed by using the observed data including dekad averaged soil moisture, precipitation and air temperature data over the east of china from 1990 to 2000. the results indicate that in the springtime the 30cm layer soil can be treated as a boundary
本文首先利用中國東部1990 - 2000年旬平均土壤濕度、降水和氣溫觀測資料，通過對0 - 50cm層次土壤濕度進行旋轉主分量分析（ reof ） ，重點分析了淮河流域土壤濕度的時空分佈特徵，並初步研究了與前期、同期和後期不同時段降水與氣溫的關系。Most of this mountainous region, part of the " heart of borneo " joint project among malaysia, indonesia and brunei, still holds huge tracts of forests, where threatened species such as orang - utans and the borneo bay cat live, and 14 out of the island s 20 major rivers originate. palm oil seedlings in a plant nursery. central kalimantan, indonesia
這個山區地方屬于由馬來西亞印尼和汶萊組成的婆羅洲之心的一部份，擁有大量森林，供如紅毛猩猩和婆羅洲金貓borneo bay cat等瀕危物種棲居，而全島20條主要河流中， 14條均發源自此地。Based on characteristics of middle and upriver drainage areas of a river in our country, this paper analyzes and studies some hydrological information and draws a conclusion of floodgates, flood prevention standards and structure safety requirement are adopted as premises and compositive parts of floodgates are studied from an economical point of view. an economical and reasonable structure type was selected as an optimization
本文根據我國某河流中上游流域特徵，通過對該流域水文等資料進行分析與研究，得出在該河流建設水閘防洪的結論，本文在水閘的結構布置設計中，以結構布置滿足防洪標準及結構安全要求為前提，以經濟角度對水閘的各組成部分進行方案研究與優選，選出經濟合理的結構型式。分享友人