river sediments 中文意思是什麼

river sediments 解釋
河流沉積物
  • 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 ...
  • sediments : 沉積物
  1. On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy

    本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈，並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料，利用環境生物技術，電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。
  2. Many research such as clay minerals, suspend in the sea, the grain size trend analysis of surface sediment, poc 6 cu and 8 c13 in bottom sediments etc. showed that : the yellow sea warm current divided the south yellow sea into two, the terrestrial material of modern sediment on the west shelf plain mainly came from the modem yellow river suspend carried by the alongshore current, and the sediment difference between the west and east side of yellow sea trough was represented by the sedimentation thickness in postglacial period, sedimentation stratum, and oxygen isotope record

    粘土礦物、碳酸鹽、粗碎屑、海域懸浮體、表層沉積物粒度趨勢分析、 poc c ~ （ 13 ）及底質沉積物的c ~ （ 13 ）等多方面研究表明：以黃海暖流為主導，南黃海堆積陸架平原西側現代沉積物陸源物質主要源於黃海沿岸流攜帶的現代黃河懸移物質，黃海槽東西兩側的沉積差異主要表現在冰消期以來沉積厚度、沉積層序、氧同位素記錄上。
  3. Intensity variation of sediments due to wave loading on subaqueous delta of yellow river

    黃河水下三角洲沉積物強度變化原位測試研究
  4. Kinetics of phosphorous adsorption on bank soils and desorption from sediments of liujiang river

    柳江河沉積物和沿岸土壤對磷的吸附及解吸動力學
  5. Chemical forms of inorganic phosphorus in sediments in the middle of the yellow river

    黃河中游表層沉積物中無機磷的化學形態研究
  6. The sedimentary facies show a depositional evolution from the deep - water sediments through shallow - water sediments to the continental sediments, including alluvial fan, river, lake, delta ( tide - dominated ), barrier coast, shallow sea, deep sea and volcanic debris flow deposits

    在沉積相上，經歷了從深水沉積到淺水直至陸相沉積的演變，發育有沖積扇、河流、湖泊、三角洲（潮汐） 、障壁海岸、淺海、深海和火山碎屑流沉積。
  7. 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。
  8. Distribution and release of nitrogen and phosphorus in typical river sediments, pearl river delta region, china

    珠江流域河網底泥的氮磷污染特徵及釋放機理
  9. Characteristics of phosphorus species distribution in sediments of yilihe river and xitiaoxi stream

    太湖宜溧河和西苕溪幹流沉積物中形態磷分佈特徵
  10. There were three times of sea - level fluctuation corresponding to the paleo - climate evolution, which had formed the sediments of alternative sea and river facies

    晚更新世以來的三次海平面升降變化造成了濰河下游地區海陸沉積環境交替，形成了巨厚的海陸交互相沉積層。
  11. Characteristics of heavy metals contaminated sediments in raohe river of poyang lake

    鄱陽湖饒河入湖段底泥中重金屬的污染特性
  12. Yellow river ; sediment ; water pollution ; interactions between sediments and water

    黃河泥沙水污染泥沙與水相互作用
  13. Core sediments in the bohai have been analyzed to assess the sources and diagenesis of organic matter. two sampling sites have been chosen : e3 and e5, which are located in the center of bohai bay. it is indicated that the most important organic source is the terrestrial matter transported by the yellow river into the bohai by analyzing the distribution of

    本文測定了位於渤海中部的e3和e5兩柱樣中正構烷烴和脂肪酸的含量分佈研究表明：渤海沉積物中有機質的重要來源是黃河的陸源物質輸運，黃河的歷史變遷在柱樣中可通過輕重烴比值的變化記錄體現。
  14. Pollution of heavy metals in surface sediments from huaihe river jiangsu section and its assessment of potential ecological risk

    淮河沉積物中重金屬污染及潛在生態危害評價
  15. Research on heavy metals in sediments of panlong river in kunming

    昆明市盤龍江底泥重金屬污染研究初探
  16. Comparison of speciation patterns of heavy metals in yitong river sediments under anoxic and oxidized conditions

    氧化與還原條件下伊通河長春區段沉積物重金屬形態特徵的對比研究
  17. The fluvial sediments of the neogene in the nanpu 35 - 2 area of central bohai gulf are well - developed and can be divided into two types as meandering river sediments and braided river sediments

    摘要渤海灣中部南堡35 - 2地區新三系河流沈積十分發育，可分?曲流可沈積和辮狀河沈積兩種類型。
  18. Pollution and assessment of heavy metals in huangpu river sediments

    黃浦江沉積物重金屬的污染及評價
  19. Two high resolution profiles of river sediments of weihe river were found at baijiaziu and mafangtan, gaoling county in shaanxi province

    關于渭河地貌、河道演變雖有一定研究，但主要研究河流沖積形態或較大范圍的區域地貌。
  20. Based on the comparison between the characteristics of the ree composition of q43 and those of some selected end - members of chinese river sediments, it is concluded that q43 sediment was not merely come from one place

    根據q43柱樣沉積物稀土元素組成與各端元的對比，推測柱樣沉積物為混合來源沉積物。其中，長江以南物質對此處沉積物有貢獻。
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