river deposit 中文意思是什麼

river deposit 解釋
河道沉積
  • river : n 1 河,江。 Rriver Thames 或 the R Thames 泰晤士河; the Hudson R 〈美國〉哈得孫河。 the Rriver ...
  • deposit : vt 1 放置,安置。2 使淤積,使沉澱。3 儲蓄。4 付保證金。5 寄存,委託保管。6 (把硬幣)放入(自動售...
  1. Based on available data, the study on regional structure, sedimentary reservoir and source rock characteristics shows that the basins in south china sea had experienced sedimentary evolution in faulting period and depression period, deposited thick cenozoic formation, upwardly developed alluvial fan facies, river - lake facies coastal swamp facies coastal facies, neritic facies and bathyal deposit system, regionally had 3 source rocks of eocene, oligocene and miocene, 3 reservoirs of pre - cenozoic basement buried bill, oligocene sandstone and miocene reef, with pliocene and pleistocene neritic facies and bathyal shale as regional caprock

    摘要以現有資料為基礎,通過對區域構造、沉積儲層、烴源巖特徵等基礎石油地質條件研究,認為南海海域各盆地經歷了斷陷期和坳陷期沉積演化,沉積了巨厚的新生代地層,自下而上發育了沖積扇相、河湖相、濱岸沼澤相、濱海相、淺海相、半深海相沉積體系,區域上存在始新統、漸新統和中新統3套烴源巖,前新生代基巖潛山、漸新統砂巖、中新統生物礁3套儲層,區域蓋層為上新統和更新統淺海半深海相泥巖。
  2. The deposit time and environment of malan platform in qingshui river xishan, beijing

    北京西山清水河馬蘭臺的形成時代與環境
  3. First, according to measured data and literature, the river channel evolution rule and its reasons in the southern branch of the yangtze river are discussed from the perspectives of historic evolution, recent evolution and the tendency prediction of river channel evolution. besides, the local reservoir has been studied from the changes in thalweg and section as well as the calculation of local erosion and deposit. consequently, the stability and feasibility of reservoir construction in the river section are approved

    首先根據大量實測資料及文獻資料,就歷史變遷、近期演變、河演趨勢預測等方面,初步探討了長江口南支河段河道演變規律及原因,並具體就深泓線的變化、主槽斷面變化、局部沖淤計算等方面對擬建水庫局部區域進行了分析,論證了工程河段建設水庫的穩定性及可行性。
  4. 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。
  5. Halehate magnesite mine lies at upstream of halehate gully north to kaidu river 114km away from hejing county northwestwards. there are 14 relative big - scale ore bodies in the deposit. its reserves is more than 0. 13 billion tons

    哈勒哈特菱鎂礦位於和靜縣城西北114公里開都河北的哈勒哈特溝上游,礦床中規模較大的礦體14個,該礦儲量在1 . 3億噸以上。
  6. The sediments of the incised valleys show an upward - fining succession, and can be grouped into four sedimentary fades : gravel lag - deposit of in - channel to partly over bank sediments of a meandering river, flood plain - estuary, estuary - shallow marine, and estuary sand bar, based on lithology, paleontology, and sedimentary textures and structures

    根據巖石學、沉積結構和沉積構造特徵,本區下切河谷充填沉積物具有向上變細的沉積層序,可以劃分為4個沉積相類型:河床滯留沉積物到部分曲流河沉積體系的邊灘沉積、河漫灘河口灣沉積、河口灣淺海沉積和河口灣砂壩沉積。
  7. Based on analysis of the inherent relationship between the changes of erosion and deposit in tongguan reaches and in lower reaches of weihe river, the author pointed out that the changes of erosion and deposit downstream of weihe river is in good agreement with the changes of erosion and deposit at tongguan reaches

    摘要三門峽水庫控制運用以來,潼關高程持續抬升,渭河下游仍在淤積發展,究竟是潼關高程抬升引起渭河下游淤積發展,還是渭河下游淤積發展造成潼關高程的緩慢上升,一直是三門峽問題的焦點。
  8. The condition of water and sediment coming from jing - river influences directly the variety of erosion or deposit

    涇河是渭河最大的支流,來水來沙條件直接影響著渭河下游的沖淤變化。
  9. B ) utilizing dong zhuang reservoir to adjust during on year. thus can decrease the sediment deposit of lower wei - river as result small flood and non - flood season

    利用東莊水庫調節涇河小流量洪水,進行年內調節,盡可能減少小洪水和非汛期小水對渭河下游的淤積。
  10. 5. based on the physical model, summarized the general mode of river development in excavated segment with its up and lower influence reach after dredging, it means that gradually deposit in dredging segment while wash out in up reach, and the change intensities are weakening as the time goes on

    概括總結出了河段疏浚挖槽后,疏浚挖槽河段及其上下影響河段的河床演變及水面線變化的模式,即挖槽段逐漸回淤,挖槽上游段逐漸沖刷,並且其回淤及沖刷的強度隨時間的推移由大變小。
  11. We can reach a conclusion, firstly, the gross water capacity, gross sediment capacity and zhang jia shan station of jing - river and xian yang station of wei - rever increase but deposit ratio of lower wei - river decrease. secondly, the sediment deposit of lower wei - river increase in pace with the crease in of sediment from the two station and the level rising of chen village

    結果表明渭河下游淤積比隨著涇河張家山站和渭河咸陽站的總水量、總沙量和水流量的提高而降低;渭河下游淤積量隨兩站來沙量的增加,陳村水位的抬高而增加。
  12. The guangdong rural credit cooperatives is the oldest financial organization in guangzhou. it has built the integrated commercial computer network and the biggest deposit and withdrawal exchange network in the financial organizations in guangzhou. it connects the exchange network with all branches in the delta of the pearl river and becomes one of the experimental units in the nations bank exchange network

    廣東省農村信用社是廣州地區歷史最悠久的金融機構之一,信用社已建成綜合業務計算機網路系統,開通了全市金融系統中規模最大的通存通兌網路,完成了與珠江三角洲農村信用社的聯網,成為全國銀行卡聯網試點機構之一。
  13. Fluid ore - forming system ; forming conditions of ore deposit ; metallogenesis ; copper gold deposit ; the middle and lower reaches of the yangtze river area

    成礦流體系統成礦條件礦床成因銅金礦床長江中下游中圖分類號:
  14. ( 2 ) based on the two important sections of yanshiping and yicangma, a study is conducted on the sedimentary features and facies of middle - upper jurassic series, it is suggested that quemo formation is river - delta facies deposit, buqu formation is chiefly carbonate ramp facies deposit, xiali formation is delta - tidal flat facies deposit, ? suowa formation is mixed shelf - lagoonal facies deposits and xueshan formation is river - delta facies deposit

    ( 2 )以雁石坪和依倉瑪兩條重點剖面為基礎,開展了中?上侏羅統沉積特徵、沉積相等方面研究,認為研究區雀莫錯組為河流?三角洲相沉積,布曲組以碳酸鹽緩坡相沉積為主,夏里組為三角洲?潮坪相沉積,索瓦組為混積陸棚?瀉湖相沉積,雪山組為河流?三角洲相沉積。
  15. Yanchang 4 + 5 sector to yanchang 3 sector lithofacies palaeogeography pattern was stable, because the constitution background was steady, and the source direction had no change, and supply was abundant. in those sectors the basin development was in lake retreat, and in the period of extinction gradually, and formatted construction delta deposit, but in yanchang 33 period the sedimentary speed were greater than construction speed, showing that overriding river mouth bars were abundant

    長4 + 5 ?長3期湖盆發展處于湖退、萎縮逐漸消亡時期,由於構造背景穩定,物源來源方向沒有變化,物源供給充分,所以巖相古地理格局基本一致,形成建設性三角洲沉積,但長3 ~ 3期沉積速率大於構造沉降速率,表現為疊置河口砂壩極其發育。
  16. In high mountain distribute on the this and hetian jade catch mineral deposit and ore order, many river return output and sub jade, hetian jade originally

    在高山這上分佈著和闐玉的原生礦床及礦點,不少河流中還產出和闐玉的子玉。
  17. The source of uranium and manner of deposition is probably similar to the deposit at south a. river.

    鈾的來源和沉澱方式可能與南阿利蓋特河的礦床類似。
  18. Banxi antimony deposit located in the beautiful and richly endowed hunan peach taojiang river, the scenery pleasant, beautiful environment, and the warm welcome domestic and overseas mine to mine negotiations and cooperation

    板溪銻礦座落在湖南美麗富饒的桃花江畔、風景宜人,環境優美,本礦熱情歡迎國內外客商來礦洽談、合作。
  19. O curve of dsdp607 v30 - 97 show that loess began to deposit on the terrace of the yellow river about 1. 20 ma b p, and passed thirteen climatic changes from drier and cooler to warmer and wetter later. the turn of sedimentation from alluvium to loess, an event of transformation from accumulation to down - cut of the yellow river, indicates a sharp tectonic uplift occurred around 1. 2 ma b p. key words : loess - paleosol ; susceptibility ; climatic changes ; tectonic movement ; yellow river ; yangfan section

    通過對楊范剖面黃土地層巖性特徵沉積結構質量磁化率和頻率磁化率的分析及與深海氧同位素曲線的對比,劃分了剖面地層,初步確定了黃土沉積始於1 . 20 ma b p ,黃土沉積以來該區發生了13次大的乾冷暖濕氣候變化沉積轉型指示河流強烈加積轉變為河流侵蝕,代表約在1 . 20 ma b p發生過一次強烈的構造抬升事件。
  20. Lake delta depositional systems appear from lower permian shanxi to middle permian xiashihezi phase, braided river delta in shanxi phase with delta plain subfacies sedimentary deposit, and so early xiashihezi, meandered river delta plain subfacies in later xiashihezi group

    ( 2 )下二疊統山西組中二疊統下石盒子組為湖泊三角洲沉積體系,其中山西期為網( braided )狀河湖泊三角洲,以三角洲平原亞相沉積為主,下石盒子組早期也為網狀河三角洲、晚期為曲流河三角洲平原沉積。
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