paleoclimate 中文意思是什麼

paleoclimate 解釋
古氣候
  1. This investigation is very significant for the further studies on paleoclimate and paleoceanography in the bering sea

    這一研究結果對白令海第四紀的古代候與古海洋學研究具有十分重要的意義。
  2. The changes of 14 assemblages reflect 11 paleoclimate evolutioinary stages in this area during the quaternary. in the cold period, the climate was dry and enviroment was deficient of water, therefore, the terrestrial pulmonata was dominant in the gastropod fauna

    本文對北京平原區第四紀軟體動物化石進行了初步的研究，建立了14個組合帶，反映了本區第四紀時期經歷了大約11個古氣候演變階段。
  3. Carbon, hydrogen oxygen isotope studies on imbedded old tree ring and paleoclimate reconstruction

    埋藏古木樹輪碳氫氧同位素研究與古氣候重建
  4. Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects

    尤其是在過去全球變化pages研究中，埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外，對于中國這樣典型的季風氣候國家，開展樹輪穩定同位素隨季節性變化的研究具有重要的意義。我國在樹輪研究方面起步較晚，研究方法和研究內容上也比較簡單，還存在不小差距，既要進一步積累基礎資料，又要做區域對比，加強與相關學科的交叉研究。
  5. By summarizing and analyzing the geological setting, uranium source, paleoclimate, hydrology, lithologic - lithofacies conditions in the region, it is indicated that the quantou formation in fanjiatun - jiutai area and the qingshankou formation in yangdachenzi area are potential metallogenic prospective areas for in - situ leachable sandstone type uranium deposit in the region, which develop braided channel or delta marginal sandstones, and possess favorable forming conditions of interlayer oxidation zone, and constituting supply - passage - discharge system of abundant uranium source

    綜合研究區域成礦地質背景、鈾源、古氣候、水文地質、巖性巖相條件，認為范家屯九臺一帶的泉頭組及楊大城子一帶的青山口組發育辮狀河或三角洲前緣砂體，構成了鈾源供應充足的補徑排系統，具有有利的層間氧化帶形成條件，是本區地浸砂巖型鈾礦的有利成礦遠景區帶。
  6. Through investigating and analyzing cave deposits samples at tuozidong of tangshan, nanjing, combining previous research results and geological history of the tangshan area, we discuss the geochronology, depositional processes and modes of the tuozidong cave deposits, and logically elaborates on its paleoenvironments, geomorphology, paleoclimate and biological evolution at tuozidong

    摘要通過對南京湯山駝子洞洞穴堆積觀察描述和樣品分析測試，結合前人研究成果和湯山地區地質地貌演化的歷史，討論了駝子洞堆積的時代、堆積過程和方式，井對其蘊含的構造、地貌、氣候和生物進化等古環境信息進行了合理的挖掘。
  7. This paper bases on the evolved process of environmental conditions during geological period, in west zhuo zi mountain and nearby area. it discusses the evolve process of natural environment before cenozoic era of this area and analyses the relationship between rare phytocoenology and the econological environment conditions of paleoclimate, paleogeology, paleoorganisms before cenozoic era of this area

    以西桌子山及其鄰近地區在地質歷史時期環境條件演變過程為主線，論述了該地區在新生代以前的自然環境演變過程，分析總結了西桌子山地區在新生代之前的古氣候、古地質、古生物等生態環境條件與珍稀植物群發生的關系
  8. According to the re - analyses on pollen assemblages and archeological evidences in the site and related documents, this paper reconstructs the sequence of fossil pollen - pollen - vegetation - paleoclimate during the prehistoric period, emphatically discussing environment changes, the space - time distributed law on archaeological sites, the origin of culture fault and formation mechanism

    本文根據孢粉學和考古學證據，結合相關文獻資料，從古地理學、考古學、歷史學等綜合研究的角度，重建史前時期化石花粉? ?孢粉植被? ?古氣候環境的演變序列，著重探討太湖流域新石器時期的環境變遷與古文化遺址的時空分佈規律、文化斷層的成因及其機制。
  9. Early tertiary fossil plants and paleoclimate of lanzhou basin

    蘭州盆地早第三紀植物及古氣候意義
  10. Paleoclimate indicator and quantitative determination of paleotemperature in the cretaceous red beds

    白堊紀特殊沉積的古氣候指示及紅層定量古溫度測量研究
  11. Clay minerals ; paleoclimate ; xrd ; chemical analysis ; electron microscopy ; isotopes

    黏土礦物古氣候x射線衍射分析化學分析電鏡分析同位素
  12. It is important to study salawusu stratum using paleomagnetism method, to give some magnetic proof in age range, stratum correlation, paleoenvironment and paleoclimate, to test former research result. this paper has done systemic paleomagnetism investigation, at dishaogouwan section its magnetic character is : susceptibility value is relatively high and its curve fluctuates little, magnetic mineral is mainly magnetites. the susceptibility ams ellipse is oblate

    隨著古地磁學及其分支學科的發展和成熟，以及在一些古人類遺址研究中的成功運用，對薩拉烏蘇地層進行系統的地磁學研究，從磁學的角度提供一些年代歸屬、地層劃分與對比、古環境、古氣候方面的成果，對近年來的研究成果進行印證或檢驗，為研究的焦點問題提供古地磁學依據很有必要。
  13. In addition, these sediments also contain reliable high - resolution paleoenvironmental information both with long - timescale and short - timescale. therefore, this area is an ideal one for the research on the paleoceanography and paleoclimate. for the last decade thermoluminescence ( tl ) has been used for a viable tool for age determination of a variety of rock types and sediments

    結合已有豐富的巖芯資料和能代表氣候變化的氧同位素地層、碳酸巖地層、生物地層、磁化率地層以及粒度、粘土礦物、色譜等資料，詳細開展熱釋光與古氣候變化的對比研究。
  14. The cretaceous is a typical period for greenhouse climate in geological history and has become an important paleoclimate simulation period in international paleoclimate modeling community

    摘要白堊紀是地質史上一個典型的溫室氣候時期，國際上圍繞白堊紀氣候成因開展了一系列模擬研究。
  15. An approach to paleoclimate - reconstruction by clay minerals

    淺談利用黏土礦物重建古氣候
  16. They ' ve asked me to feed it into my paleoclimate model to track the next events

    他們已經要求我將之輸入我的古氣候模型當中，以預測今後的情況
  17. Clay minerals are widely applied in reconstructing paleoclimate, and many analysis methods are involved

    利用黏土礦物重建古氣候近年來得到了廣泛的應用，其分析測試方法較多。
  18. Therefore, both climatic effects and extra - climatic influence should be considered when the clay minerals are used to reconstruct paleoclimate

    因此，在利用粘土礦物重建古氣候環境時，需要綜合考慮氣候以及非氣候的各種影響因素。
  19. Among them the x - ray diffraction analysis is mainly used to confirm clay mineral assemblages and their crystallinity ; chemical analysis and electronic microscope are used to study the source, the genesis and the evolvement process of clay minerals ; radioactive isotopes analysis can make up the relationship between the time and space which is based on the climate index and the chronology ; hydrogen and oxygen isotopes also provide important evidence for reconstructing paleoclimate

    其中， x射線衍射分析主要用來確定黏土礦物組合及其含量以及某些黏土礦物的結晶度化學分析電鏡分析主要用於黏土礦物的來源成因演變過程的研究放射性同位素的研究使氣候指標和年代學建立起時間和空間上的聯系而氫氧同位素分析亦能對古氣候重建提供重要佐證。
  20. A number of recent papers have dealt with such properties of clay minerals as their compositions, assemblages, contents and crystallinities, which can reflect the periodic climate changes of the mineral sources and help to reconstruct paleoclimate

    摘要由於粘土礦物的成分、組合、含量以及結晶度的變化可以反映母源區氣候冷、暖周期性變化，因此利用粘土礦物重建古氣候環境近年來得到廣泛的應用。
分享友人
分享到 Line

分享到臉書