沙積物 的英文怎麼說

中文拼音 [shājīwù]
沙積物 英文
sand deposit
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 物 : 名詞1 （東西） thing; matter; object 2 （指自己以外的人或與己相對的環境） other people; the outsi...
  1. Even at meridiani, basaltic sands lie atop the lake sediments, indicating that the site has been parched for two billion to three billion years

    甚至在子午線地盤，玄武巖質的沙披覆在湖床沉積物上，顯示此地已經乾涸了20 ~ 30億年。
  2. The central plain, which is broken in places by low hills, is extensively covered with glacial deposits of clay and sand

    被低矮的丘陵分割的中心的平原覆蓋著冰河時期留下的粘土和沙子的堆積物。
  3. They do, however, grade into sorted and stratified sediments where higher water content has produced conditions transitional to turbid stream flow.

    然而，在泥沙含量較大逐漸形成渾蝕流的地方它們也可變為分選和有層理的沉積物。
  4. 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。
  5. Gold and other heavy mineral placers are notable examples of lag deposits, but gravel and boulder bars are more common.

    金和其它重礦沙雖是蝕余沉積物中值得注意的例子，然而卵石和頑石沙洲都是比較普遍的。
  6. Because during the sedimentation of the flood plain - estuary fades, the conditions of sea level rising, tidal regime, sediment supply and accommodation space were suitable for the development of a tidal ridge system, the sand lenses associated with this facies may represent tidal ridge formation in the incised valley

    在河漫灘河口灣相沉積期問，由於海平面上升、潮流體系、沉積物供給和可容空間條件適合一個潮流沙脊體系的發育，其中的砂質透鏡體可能代表了下切河谷內發育的潮流沙脊。
  7. Vast quantities of soil reach the gulf of mexico to become ocean sediment.

    有大量的泥沙到達墨西哥灣，變成了海洋沉積物。
  8. Distribution law of deposits dry bulk density and its application in sediment restoration of check - dam

    壩地淤積物干容重分佈規律及其在層泥沙還原中的應用
  9. Leave over various kinds of more relevant sedimentaries ( ancient bank lines, sand dykes, etc ) which are the positive evidences that lake evolved in the course of the evolution of zabuye saline lake. we can discern them accurately through tm images

    在扎布耶湖泊的演化過程中遺留下各種相關沉積物（古濱線，沙堤等） ，通過tm圖像可以對其準確的識別，它們是湖泊演化的直接證據。
  10. The degree of sandy desertification will be exacerbating unless some combating measures are put in effect ; through surveying the causes of sandy desertification and its development, we think that the natural basis of sandy desertification is climate changes, landforms, features of sediment and the condition of hydrology, and its immediate cause is the unreasonable activities of human being

    探討了沙漠化成因以及發生發展過程，認為，氣候、地貌、沉積物以及水文條件是壩上地區沙漠化的自然基礎，而人類不合理的經濟活動是沙漠化發生的直接原因。
  11. The paper studied three aspects of extracelluar enzymes in sediments of the tidal flat wetland, namely 1 ) the distibution of five sorts of extracellular enzymes in sediments in the east end of chongming island along the elevation gradient or community succession series, the relationships between the activities of enzymes and the ecological factors, and functions of extracellular enzymes in the process of community succession ; 2 ) the effects of the heavy metal ions and edta on the activity of alkaline phosphatase in sediments of the east end of chongming island by adding and removing of heavy metal ions, discussing whether the activities of extracellular enzymes could be taken as the indicators for the environmental status ; 3 ) the variations of the activities of extracellular enzymes in sediments in the east end of hengsha island after the discarding clay

    本文以長江口典型濕地?崇明東灘為例，首次研究了沿高程梯度或沿植被演替系列沉積物中堿性磷酸酶等五種胞外酶活性的空間分佈規律，分析了胞外酶活性與環境因子的相互關系及其產生機制，討論了胞外酶活性在濕地植被演替中的作用。同時以崇明東灘沉積物為對象，運用重金屬離子的添加和去除等方法，研究了重金屬離子對沉積物中堿性磷酸酶活性的影響，利用胞外酶活性的變化探討了崇明東灘重金屬污染的狀況。此外，本文還研究了橫沙東灘吹泥試驗工程對沉積物環境因子和胞外酶活性的影響並進行了對比分析。
  12. Many problems in sediment engineering involve dealing with river valley deposits as a whole.

    泥沙工程中的許多問題都把河流的河谷沉積物作為一個整體來研究。
  13. A smooth, lustrous, variously colored deposit, chiefly calcium carbonate, formed around a grain of sand or other foreign matter in the shells of certain mollusks and valued as a gem

    珍珠在幾種軟體動物的貝殼中，圍繞著一粒沙子或其他外來物質形成的一種光滑、有色澤、具有不同顏色且主要是碳酸鈣的沉積物，被珍視為寶石
  14. Rather than being a standing sea slowly accumulating sediment, meridiani seems to have the characteristic chemistry of transient lake beds in a terrestrial desert, or salt flats on a seashore

    梅里蒂亞尼平原的化學表徵使它看上去更像是內陸沙漠中短期存在的湖泊的沉積礦，或海岸上的鹽帶平地，而非長期存在的海洋中緩慢聚集的沉積物。
  15. The open and close environment before and after the channel formation makes different sediments deposit in the flood channels. at the same time the various sediments give the important information about the surroundings difference

    形成前沉積環境較為開敞，形成後由于沙嘴的阻隔作用使漲潮槽內環境較為封閉，因此在垂向上沉積物的性質不同。
  16. This was a particularly severe problem in the lower shing mun river in sha tin, but dredging and a bio - remediation project undertaken in 1997 made a huge difference to the smell of the river

    沙田城門河下游以往曾有河水發出惡臭的問題。政府於1997年治理河道，在河床口進行挖掘污染沉積物工程及利用生化處理方法改善沉積物質素，難聞氣味已較以前大幅度減少。
  17. The marine environment of sha chau and lung kwu chau marine park is, greatly influenced by the pearl river freshwater run - off, with high organic loading and sediment loading

    沙洲及龍鼓洲海岸公園的海洋環境受珠江流入大海的淡水徑流影響，所含的有機物和沉積物均較多。
  18. " a long - term extensive environmental monitoring programme has been put in place since the early 1990s. it consists of water quality, sediment and biota monitoring, together with a risk assessment on the impact on dolphins and humans

    一項為東沙洲卸泥場而進行的長遠和廣泛的環境監察計劃自一九九年代初期實施，有關措施包括對水質沉積物及生物的監測，及對中華白海豚和人類影響的風險評估。
  19. " a long - term extensive environmental monitoring programme has been in place since 1992 when the east sha chau disposal site started operation. it consists of water quality, sediment and biota monitoring, together with a risk assessment on impacts to marine life and humans

    東沙洲卸泥場由一九九二年啟用，一項長期而廣泛的環境監察計劃自當年開始實施，計劃包括對水質沉積物和生物的監測，以及對海洋生物和人類影響的風險評估。
  20. In support of this idea, later analysis of the sediment at wageningen university in the netherlands proved that many of the brown sand grains were indeed fragments of the dark - colored schists and other rocks that began washing away as the newborn andes rose up

    荷蘭瓦荷寧罕大學后來對于沉積物的分析，證實了許多棕色沙粒確實是深色片巖及其他巖石的碎屑，這些應該是新生成的安地斯山隆起時沖刷下來的。
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