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碎屑输入
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  terrestrial input
     After normalized by Ti or Sc, the variations of the contents of these elements, as well as some elemental ratios, such as Zr/Y, Ce anomaly (Ce/Ce) and Eu anomaly (Eu/Eu), were able to record the variation of terrestrial input, either of the flux or of the components, such as the enrichment of volcanic ash.
     经Ti和Sc标准化后这些元素含量的变化,以及Zr/Y等特征元素比值和Ce异常指数Ce/Ce、Eu异常指数Eu/Eu的变化,均反映出碎屑输入的通量或者组成的变化,例如火山灰的富集。
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  “碎屑输入”译为未确定词的双语例句
     The analytical results reveal that there are five sources of PGEs in coals: magmatic hydrothermal activation, low-temperature hydrothermal fluid, synsedimentary volcanic ash, erogenous supply, and seawater.
     分析结果表明,煤中铂族元素主要是通过岩浆热液活动、低温热液流体、同沉积火山灰、陆源碎屑输入和海水等诸种地质作用形成的,前3种作用是造成煤中铂族元素异常的主要原因。
短句来源
     The N content in sediment was mainly from the metabolism of marine organisms,while that of P was mainly from input of terrestrial detritus.
     海洋沉积物中的氮主要来源自海洋生物的代谢,而磷与陆源碎屑输入密切相关。
短句来源
  相似匹配句对
     Non-Natural Input
     非自然输入
短句来源
     The input of C in default
     C语言的缺省输入
短句来源
     4, sedimentary clastic rock;
     4.沉积碎屑岩;
短句来源
     CLASSIFICATION OF MARINE CLASTIC SEDIMENTS
     海洋碎屑沉积物的分类
短句来源
     The N content in sediment was mainly from the metabolism of marine organisms,while that of P was mainly from input of terrestrial detritus.
     海洋沉积物中的氮主要来源自海洋生物的代谢,而磷与陆源碎屑输入密切相关。
短句来源
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  terrestrial input
The results showed that the distributions of DIAs were mainly influenced by the terrestrial input and the intrusion of the Kuroshio Subsurface Water (KSSW).
      
Microorganisms dominated pelagic food webs of the lakes and crustacean zooplankton were important only in PR, with the lowest Al concentrations (193 μg L-1) due to 3-4 times lower terrestrial input.
      
The high terrestrial input rich in LREE and property of adsorption/scavenging processes of LREE than that of HREE may be the cause.
      
Denitrification does not appear to have had an important effect on the δ15N signal of these sediments and, based on δ15N and δ13C, there is little terrestrial input.
      
Transgressive and highstand deposits are recognized by changes in the terrestrial input of organic particles and the relative percentages and diversity of the plankton group.
      
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Sediment cores were collected in Jume, 1992, by the R/ V Science l from the OkinawaTrough. Spectrometry of Th,232Th, 230Th, U, 234Uand238U in six cores showed that based on the230Th /232Th activity ratio, the sedimentation rates ranged between 2.10 and 8.50 cm / ka during theHolocene and ranged between 7.40 and 20. 10cm / ka during the Pleistocene. Terrestrial materials.from the East China Continental Shelf were largely stransported to the Okinawa Trough during theglacial low sea-level period and the terrigenous...

Sediment cores were collected in Jume, 1992, by the R/ V Science l from the OkinawaTrough. Spectrometry of Th,232Th, 230Th, U, 234Uand238U in six cores showed that based on the230Th /232Th activity ratio, the sedimentation rates ranged between 2.10 and 8.50 cm / ka during theHolocene and ranged between 7.40 and 20. 10cm / ka during the Pleistocene. Terrestrial materials.from the East China Continental Shelf were largely stransported to the Okinawa Trough during theglacial low sea-level period and the terrigenous materiaI from the conhnent was sharply reducedduring the Holocene. The Th,232Th and Th / U ratio showed that variations in terrigenous materialfrom the continental shelf were associated with sea level changes and the Warm Current fluctuationsfrom the Pacific water masses. Most of the cores showed that234U /238U ratio was≤1.13 during theHolocene and was bout≥. 13 during the Pleistocene; it seems to be true that salinity during thePleistocene a (≥35) was higher than the Holocene (34.3-34.9).

1992年6月对冲绳海槽进行了热水活动和底质调查。从所采岩芯中挑选有代表性的岩芯6个,对样品进行了放射性同位素Th、230Th、232Th、U、234U、238U的测定。结果表明,冲绳海槽全新世期间沉积物沉积速率比晚更新世期间低,全新世平均沉积速率为2.10—8.50cm/ka,晚更新世平均沉积速度为7.40-20.10cm/ka。这揭示了晚更新世低海平面期间大量的陆源物质和火山碎屑输入到冲绳海槽,而全新世海平面抬升,输入到海槽的陆源物质相对减少。

The variations of the contents of some high field strength elements (HFSE) and some large ion lithophile elements (LILE) have been analyzed for the sediments of Core NS93 5, gathered from Nansha Islands, the South China Sea. The results exhibited that Ti, Rb, Ga, Y, Zr, Nb, Cs, Hf, Ta, Th and rare earth elements (REE) correlated quite well with each other, indicating that they all came from terrestrial detritus. After normalized by Ti or Sc, the variations of the contents of these elements, as well as some...

The variations of the contents of some high field strength elements (HFSE) and some large ion lithophile elements (LILE) have been analyzed for the sediments of Core NS93 5, gathered from Nansha Islands, the South China Sea. The results exhibited that Ti, Rb, Ga, Y, Zr, Nb, Cs, Hf, Ta, Th and rare earth elements (REE) correlated quite well with each other, indicating that they all came from terrestrial detritus. After normalized by Ti or Sc, the variations of the contents of these elements, as well as some elemental ratios, such as Zr/Y, Ce anomaly (Ce/Ce) and Eu anomaly (Eu/Eu), were able to record the variation of terrestrial input, either of the flux or of the components, such as the enrichment of volcanic ash. Among these geochemical proxies, some varied with the climate changes. They probably indicated the variations of the weathering strength of the nearby continental crust. Therefore, the immobile trace element records of the sediments of Core NS93 5 may provide evidences for the environmental changes of the terrestrial source areas in the continental crust.

探讨了NS935钻孔沉积物的部分高场强元素和大离子亲石元素的含量变化,结果表明,Ti、Rb、Ga、Y、Zr、Nb、Cs、Hf、Ta、Th和稀土元素(REE)相互间含量变化具很好的相关关系,反映这些元素均基本来自碎屑组分。经Ti和Sc标准化后这些元素含量的变化,以及Zr/Y等特征元素比值和Ce异常指数Ce/Ce、Eu异常指数Eu/Eu的变化,均反映出碎屑输入的通量或者组成的变化,例如火山灰的富集。其中一些变化与气候变化有关,可能反映周边陆壳的风化强度的波动。NS935钻孔沉积物的不活泼元素记录,可提供反映输入陆壳物源区的环境演变证据。

Contents of some transitive metals of the sediments of Core NS93 5 from Nansha Islands, South China Sea, are measured by inductively coupled plasma mass spectrometry (ICP MS). The content of titanium, representing the relative abundance of terrestrial detritus, changes significantly during different climatic periods. In details, the highest Ti contents occurred during Stage 4, also higher during Stage 2 and the late Stage 3, indicating larger terrestrial fluxes. However, comparison between the Ti contents...

Contents of some transitive metals of the sediments of Core NS93 5 from Nansha Islands, South China Sea, are measured by inductively coupled plasma mass spectrometry (ICP MS). The content of titanium, representing the relative abundance of terrestrial detritus, changes significantly during different climatic periods. In details, the highest Ti contents occurred during Stage 4, also higher during Stage 2 and the late Stage 3, indicating larger terrestrial fluxes. However, comparison between the Ti contents and the sediment accumulating rates indicates that the sediment accumulating rates of Core NS93 5 are not onlydetermined by terrestrial fluxes, but the authigenic sediments also contributedmuch. Variations of Mn, Mo, Cr, V, U, Cd, Co, Ni, Cu and Zn contents exhibit that the reduce status with the sediments of Core NS93 5 are very low. Therefore, it can be drawn that the deep water at slope depth in South China Sea were always oxic during the last 150 ka, and without any suboxic periods. This indicatesthat the recruit of the deep water of the South China Sea were always sufficient.

利用电感耦合等离子体质谱(ICP-MS)法分析了取自南沙南部陆坡的NS93-5钻孔沉积物的部分过渡金属元素含量的变化。结果表明,代表碎屑物质的量的Ti含量在不同气候时期变化明显,其中在氧同位素第4期碎屑比例最大,第2期和第3期末期,碎屑所占比例也较高,代表较大的碎屑输入通量。但与沉积速率相比较发现,NS93-5的沉积速率并不仅仅决定于碎屑的输入,自生沉积物的累积作用也极为明显。Mn、Mo、Cr、V、U、Cd、Co、Ni、Cu和Zn等元素含量变化表明,NS93-5钻孔沉积物中还原状态极低,反映出自过去15ka以来该区陆坡深度底层海水均富含氧气,并没有出现无氧状态,意味着南沙海域底层海水更新一直都比较快。

 
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