極地沉積物 的英文怎麼說

中文拼音 [jídechénjīwù]
極地沉積物 英文
polar deposit
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 沉 : Ⅰ動詞1 （沉沒; 墜落） sink 2 （沉下 多指抽象事物） keep down; lower 3 [方言] （停止） rest Ⅱ形容...
  • 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...
  • 極地 : [地理學] polar region極地冰 [海洋學] polar ice; polar cap ice;極地冰川 [水文] polar glacier;極地...
  • 沉積 : [地] deposit; sedimentation; deposition; precipitation
  1. Source and distribution of biogenic matter in sediments at station of chukchi sea area

    北極楚科奇海地區沉積物生源物質的來源和分佈
  2. Very little has been written about the identification and delineation of these ancient counterparts in the subsurface.

    對于這些地下深處類似沉積物的鑒定和描述，卻極少報導。
  3. Under the guidance of the theories of sedimentation, paleontology, stratigraphy, reservoir geology and digenesis, synthetically applying the methods of the conjunction of spot - line - surface, macro - microscopic and field - indoor, there is a comprehensive study for the upper permian series in stratum, rock, sedimentary facies and diagenesis, especial for the type and characteristics of sedimentary facies, in the paper. based on the above, the vertical evolutionary model of the sedimentary environment is explained by the study of the elevation profile and transverse profile and the regional geological characteristics

    本文主要是以沉積學、古生物學、地層學、儲層地質學等相關理論為指導，運用點線面、野外與室內、宏觀與微觀相結合的方法，並藉助普通顯微鏡、陰極發光顯微鏡等手段對川西地區北部上二疊統的地層、巖石、沉積相以及成巖作用進行了研究，尤其是對沉積相的類型及特徵作了詳細的劃分與闡述。
  4. With the aid of baffle movement, a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the ag - o - cs photoemissive thin films with internal field - assisted structure for the first time. the internal field - assisted photoemission characteristics of ag - o - cs thin films show that the photoelectric sensitivity is increased when the internal electric field is applied to the thin films, which indicates that the electric field has been effectively provided to the thin films by the above - mentioned internal field - assisted structure. such an enhanced photoemission is attributed to the variations in energy - band structure of ag - o - cs thin films, and which are considered to induce the lower - energy electrons to participate in the photoemission

    通過掩膜預處理和擋板轉移技術的配合，利用真空沉積方法首次制備了內場助結構ag - o - cs光電發射薄膜。 ag - o - cs薄膜內場助光電發射特性測試結果表明，該方法能夠有效地實現ag - o - cs薄膜體內電場的加載與表面電極的引出，薄膜光電靈敏度隨內場偏壓的增大而上升。 ag - o - cs薄膜在內場作用下的光電發射增強現象與薄膜體內能帶結構變化低能電子參與光電發射等物理機制有關。
  5. It could play an important role in the evolution of " warm pool " area. more than 300 pure psychrophilic and psychro - tolerant bacteria were isolated from environmental samples

    對深海沉積物和極地環境樣品進行了低溫微生物的分離和培養，得到了300多株嗜（耐）冷細菌，並對其進行了生長特性的分析。
  6. Biogeochemical characteristics of organic carbon in surface sediments from the chukchi sea

    北極楚科奇海海底表層沉積物有機碳的生物地球化學特徵
  7. This is a favorable condition for the understanding of the processeses and mechanisms of sediment transport and the associated local and regional effects. as a channel for the exchange of sediment between the bohai and the yellow seas, the bohai strait is a good example

    作為渤海和北黃海物質交換和輸運通道的渤海海峽也不例外，其獨特的地質和水文條件為沉積物搬運的研究提供了極好的研究區域。
  8. 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。
  9. The archaea contain many organisms of extreme environments, such as hydrothermal vents, hot springs, saline sediments, volcanic craters and boiling muds. they include methane - generating organ - isms ( methanogens ), sulfate reducers, and extremophiles

    古細菌包括許多生長在極端環境中的有機體，如高熱溫泉口，高鹽沉積地區，火山噴發處，沸騰的巖漿中等的生物有機體，還包括產甲烷菌等。
  10. The climate of this period is almost as warm and wet as the stage 5e of the last interglacial. the mean temperature is 2 - 4 c higher and the precipitation is much larger than that of the today, the holocene which we live in. while in the climatic records of deep ocean, antarctic and greenland ice - core, marine isotope stage ( mis ) 3 is a weakly warm period, though a little warmer than marine isotope stage ( mis ) 2 and marine isotope stage ( mis ) 4, evidently colder than the last interglacial and holocene favorable period

    末次冰期中期，即深海氧同位素第3階段的氣候在我國，尤其是青藏高原地區表現出明顯不同於深海沉積物和極地冰芯記錄的特徵：青藏高原古里雅冰芯的~ （ 18 ） o曲線表明3階段存在特強夏季風事件，其氣溫和降水接近於末次間冰期5e階段，超過全新世，其暖濕程度已經達到間冰期的程度；而深海氧同位素3階段在深海、南極、格陵蘭冰芯的氧同位素記錄中均為弱暖期，雖較2階段、 4階段溫暖，但顯著低於全新世大暖期和末次間冰期。
  11. Based on the variation of light / heavy mineral components of sedimentary rocks, the typomorphic characteristics of various debris, the cathodoluminescence color of quartzes, the direction of paleocurrent and the extension of sedimentary facies, two source direction of the studied area in carboniferous and permian can be recognized, one is in bayanwusu, wulan ' ge ' er and hetaoyinshan area north of hangjinqi in the north margin of ordos, another is alashan area in the northwest margin of ordos

    在深入研究本區沉積巖輕、重礦物組分的變化、各種巖屑的標型特徵、石英陰極發光顏色、古水流方向及沉積相帶展布等基礎上，認為研究區石炭?二疊紀的物源方向主要有兩個，分別為：北緣杭錦旗以北的巴彥烏蘇、烏蘭格爾及河套陰山地區；以及研究區西北緣的阿拉善地區。
  12. Organic geochemistry of penguin ornithogenic sediment from ardley island, west antarctica

    南極阿德雷島企鵝糞土沉積物分子地球化學特徵
  13. Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows : 1. the optimization model of parameter identification of three - dimensional geologic history numerical simulation, algorithm and its application geologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil - bearing basin. according to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porosity ' s non - linear parabolic partial differential equation has been established

    本文應用現代最優化及最優控制理論，對如下一些問題進行了研究： 1 、三維地史數值模擬的參數辨識優化模型、演算法及應用地史模擬是盆地數值模擬的一個基礎性的研究內容，地層孔隙度是含油氣盆地地史演化發育過程中的重要參數，根據地層沉積埋藏機理和石油地質的物理化學原理，通過引入數學物理方程概念，建立了泥巖三維孔隙度場方程，根據問題的特點，給出了方程的定解條件，對方程的動邊界也給出了處理方法，並且證明了解的存在性與惟一性，在此基礎上建立了以當今實測數據為擬合準則的三維地史數值模擬的參數辨識優化模型，這是一個含有二階偏微分方程約束的泛函極值問題。
  14. In permafrost areas, thaw - settlement problem is the main content for the frozen harmfulness study ; in the seasonally frozen soil areas, frozen expansion problem is considered most in order to prevent and father the frozen harmfulness for the groundwork, the thaw - settlement index is thought little relatively, but it has been investigated from the data of frozen harmfulness, the thaw - settlement behavior still has an active effect on the construction stability in the seasonally frozen soil areas

    在多年凍土區，融沉問題是凍害研究的主要內容;在季節凍土地區，為了防治地基凍害問題，考慮最多的往往是凍脹問題，對融沉指標一般考慮的比較少，但是根據調查凍害資料來看，融沉性在季節凍土地區的建築物穩定性方面的應用仍然具有積極的意義。
  15. It is possible for us to detect the relation among ecology, environment changes, climate variance and human activities by studying the penguin dropping sediment. the sediment core was collected from the shore on the ardley peninsula during the eighteenth china antarctic research expedition using a 12cm - diameter pvc pipe

    南極企鵝在某些地區是生態系統的主要影響因子，企鵝糞便沉積物記錄了上千年企鵝數量和分佈的變化規律，從而可以反映氣候、環境變化和環境污染、人類活動等因子對生態系統的影響。
  16. In the recent years numerous scientists have found that there appeared many abrupt climatic changes during the last glacial by studying the high - resolution achieves of environmental change such as polar ice - core, deep ocean sediment and loess - palaeosol sequence et al

    近十幾年來，隨著研究技術和方法手段的進步，許多科學家通過對極地冰芯、深海沉積物、黃土-古土壤等環境演化信息載體的研究，在末次冰期中發現了許多氣候突變事件。
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