氧同位素 的英文怎麼說

中文拼音 [yǎngtóngwèi]
氧同位素 英文
oxygen isotopes
  • : 名詞[化學] (氣體元素) oxygen (o)
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
  1. Based on the avaliable isotope samples, we found that fon - lin alluvium, groundwater can be conceptually divided into three layers

    此外由分析氫、氧同位素的組成,可定性地說明該區重要的水文循環特性。
  2. From the study of hydrogen - oxygen isotope in enclosure liquid, some water conies from magma, others come from atmosphere precipitation

    包裹體水的氫氧同位素研究表明成礦流體中既有巖漿水,又有大量大氣降水加入。
  3. Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone

    本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖面等,參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率,討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。
  4. Conspicuously heavier hydrogen and oxygen isotopic compositions in maolouchi river basin after quake suggested that the water source of the rivulet mainly drained from surface runoff subjected to evaporation or the interflow composed with heavier isotopes

    貓羅溪流域在地膿后其氫、氧同位素組成明顯變重,此意指流至河川之水源可能改變為遭受蒸發作用之地表逕流,或以具較重組成之中間流為主。
  5. Researchers said the zircon ' s high level of heavy oxygen isotopes suggest it was cooled by surface water after it formed

    研究人員說鋯石的高標準重氧同位素暗示了它形成之後靠地表水來冷卻。
  6. Compared c13 & o18 isotope analysis curve with lake level curve, further analyzed palaeoenvironment

    通過分析、對比碳氧同位素曲線與湖平面升降曲線,對古沉積環境的變化規律有了進一步的認識。
  7. By comparing i8o curve with annual growth rate and grey level curve in the stalagmite during the same period, the author brings forward that that climate in shennongjia region mostly embodies matching modes of warm / wet, cold / dry over the past 2000 years, but temperature was out of harmony with precipitation in the course of climate transforming, which shows that shennongjia climate embodies matching modes of cold / wet, warm / dry at part period of time

    近2000年中17次太陽活動和1400aad以來29次火山活動對氣候變化影響的印跡在石筍氧同位素中都有明顯的記錄,表明氣候事件與太陽活動、火山活動有較好的相關性。石筍各代用指標譜分析顯示126a 、 100a 、 81a 、 60a 、 40a 、 22a 、 11a等周期成分,也進一步支持了太陽活動對季風區短尺度氣候變化的驅動作用。
  8. Through the study of characteristic of macroelement, microelement, rare - earth element, oxyhydrogen isotope, sulfur isotope, lead isotope, fluid inclusion etc, a conclusion can be drawn that metallogenic substance comes from the upper mantle with mixing of some substance from the upper crust latter. it is likely to have the same source with the surrounding rock

    通過對礦床的常量元、微量元、稀土元、流體包裹體特徵、氫氧同位素、硫、鉛等特徵的研究,認為成礦物質主要來源於上地幔,與周圍巖石存在著源的可能性,後期有一定的上地殼物質混入,成礦作用有三期,分別與區內的花崗巖、二長花崗巖脈、雲煌巖脈有關。
  9. 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。
  10. 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
  11. 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。
  12. The results showed that phenomena of significant anomalous water flowed out into rivulet and little change of hydrogen and oxygen isotopic compositions were observed in paikangchi and nankangchi river basin after quake, while no significant anomalous water flow but heavier composition of hydrogen and oxygen isotopes existed in maolouchi river basin

    結果顯示北港溪和南港溪二流域在921地膿后曾有顯著異常水源進入河川之現象,但其溪水之氫、氧同位素組成並沒有發生變化,然而貓羅溪流域並無顯著之異常水流現象,但地膿后其溪水之氫、氧同位素組成則明顯變重。
  13. The time corresponding to the four parts along the section are as follows : the top lake - swamp sediments : holocene ; the uppart fine sand : later late pleistocene ; the middlepart sandy clay : middle - early late pleistocene ; the lowpart clayer silt : later - middle - pleistocene. the fossils and stone artifacts found in salawusu site should be formed during the last but one glacier, its age range is about 0. 13 - 0. 19 ma, and belongs to later middle - pleistocene

    分析q曲線與氧同位素曲線的一致性以及以上研究結果,包含薩拉烏蘇地層的這套沉積物的沉積時代為:頂部湖沼相沉積物:全新世;上部具交錯層理的細砂:晚更新世晚期;中部粉砂質粘土:晚更新世中期至早期;下部粘土質粉砂:中更新世晚期。
  14. Carbon and oxygen isotopic composition ( 13c and 18o ) shows that the carbon not only derived from depth source but also sedimentary country rock

    碳、氧同位素( 13c和18o )組成表明,既有沉積圍巖中的碳,也有深部來源的碳,具有混合來源特徵。
  15. According to the analysis on the lithogeochemical features and the carbon and oxygen isotopes of calcareous sandstones, it is realized that there some genetic relation between the formation of calcareous sandstone and uranium mineralization in the oxidation - deoxidation transitional belt, that is the precipitation and enrichment of uranium is accompanied by the deposition of carbonate and formation of calcareous sandstone

    根據鈣質砂巖的巖石地球化學特徵,結合碳、氧同位素分析認為,化還原過渡帶中鈣質砂巖的發育與鈾礦化的形成具有一定的成因聯系,即在鈾沉澱富集成礦的時,伴隨著碳酸鹽的析出作用,形成鈣質砂巖。
  16. Among the stardust particles, the investigators found that the ratio of oxygen isotopes was similar to that found in meteorites formed in the inner solar system

    調查人員發現在星塵樣品中氧同位素的比例與形成與太陽系中心的隕石類似。
  17. Carbon and oxygen isotope data show that the carbonatite layer in fozichong ledge is different from the normal marine sedimentary carbonatite, infering that its formation has relation with hot - water sedimentary activity

    碳、氧同位素顯示,佛子沖礦田賦礦層中的碳酸鹽巖地層與正常的海相沉積碳酸鹽巖不,其成因與熱水沉積活動有關。
  18. The top sediment above 1. 8m depth was referred to be the deposit under the cold water mass since 9. 7kabp. in the middle southern yellow sea. q - mode factor analysis was employed on 98 samples and 33 benthic foraminiferous species with relative abundance of more than 2 % in at least 3 samples and 5 varimax factors had been recognized as follows : factor 1 ( ammonia beccarii vars

    南黃海中部泥質區的ey02 - 2孔共揭示了氧同位素6期以來的海侵海退序列,該孔浮遊有孔蟲匱乏,說明黃海暖流對鉆孔所處南黃海中部冷渦泥質沉積區影響一直很弱,底棲有孔蟲中玻璃質殼占絕對優勢,比例為93 . 87 100 。
  19. However, a time scale of the sample bf1 has been established by the annual band counting chronology bracketed with 7 th - 230 dates

    兩根石筍氧同位素曲線交叉檢驗表明建立的時間標尺具有較高精度。
  20. The most direct embodiment is the fluctuant images of grain - size parameters brought about by the bounce of grain - size eigenvalues. in order to discuss dune sedimentary and the cause of its evolvement, in this paper we also contrast every oxygen isotope phase

    為進一步探討砂丘沉積及其演變的原因,本文還將米浪溝灣地層剖面150ka以來不時段樣品的mz和sc d的平均值與相時期氧同位素諸階段進行了對比。
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