oxygen isotope 中文意思是什麼
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The understanding of biogeochemical cycle of hydrogen, oxygen, carbon, nitrogen, and sulfur elements in nature ecosystem have increased substantially in the past two decades owing to the improvement of gas isotope ratio mass spectrometer and the wide application of isotopic studies with these elements
摘要近20年由於氣相同位素比值質譜儀的改良和氫、氧、碳、氮和硫等穩定同位素的廣泛研究，穩定同位素的研究技術已實質增加我們對于這些元素在自然生態系中生地化循環的了解。 -
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。 -
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。 -
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。 -
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 -
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。 -
To let more domestic relevant researchers understand the applicable techniques of stable isotopes, this article not only introduces the principles of isotopes measurements by gas isotope ratio mass spectrometer, but also integrates the experiences of hydrogen, oxygen, carbon, nitrogen, and sulfur isotopes in agriculture and environmental applications that were described in papers
為讓國內更多相關研究人員了解穩定同位素技術的可利用性，本文描述氣相同位素比值質譜儀之分析原理，及整理氫、氧、碳、氮和硫等同位素在農業及相關生態環境研究上應用的文獻。 -
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，佛子沖礦田賦礦層位中的碳酸鹽巖地層與正常的海相沉積碳酸鹽巖不同，其成因與熱水沉積活動有關。 -
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以來不同時段樣品的mz和sc d的平均值與相同時期氧同位素諸階段進行了對比。 -
Up1up8o up1up6o method for determination of stable oxygen isotope ratio 18o 16o of water from fruit juices, using isotope ratio mass spectrometry
利用等離子比質譜測量法測定果汁中水的穩定氧等離子比 -
3 ) on the basis of the geochemistry methods of cathodoluminescencean, strontium isotope, carbon and oxygen isotope, trace element, inclusion, etc, pleokarst mechanism have been deeply studied. pleokarst had been brought about in the meteoric water of earths surface, and mainly in the early hercynian movement
3 ）通過陰極發光、鍶同位素、碳氧同位素、微量元素和包裹體等地球化學手段，深入地探討了巖溶作用機制，認為發生於地表或近地表大氣淡水環境，海西早期是區內巖溶作用發生的主要時期。 -
Oxygen isotope records of carbonates from lake qinghai as environmental archives : re - explanation
青海湖碳酸鹽氧同位素環境記錄再認識 -
According to the comparison and analysis of mineral composition and geochemical characteristics of trace element, sulfur isotope, hydrogen and oxygen isotope, lead isotope and rare earth element in the gold ore and the altered spilite from the deposits of huachanggou gold mine, it was confirmed that the gold ore had obvious succession of the basic igneous rock
摘要通過對鏵廠溝金礦床金礦石和蝕變細碧巖礦物組成、微量元素、硫同位素、氫氧同位素、鉛同位素及稀土元素地球化學特徵地對比分析，得出金礦石對該基性火山巖存在明顯的繼承性。 -
Comparative study on sample preparation in carbon and oxygen isotope analyses of lake ostracode shells
介形蟲碳氧同位素測定樣品處理方法對比研究 -
Based on the elaborate research on the stable oxygen isotope stratigraphy, carbonate stratigraphy, biostratigraphy, magnetic susceptibility, grain size and clay mineral of cores marked md81349, md77190, md77181 and bar9427 in the northeastern indian ocean, this thesis focus on the application of the tl properties in the above cores to infer the paleoclimatic change, and discuss the response of tl of sedimentary records with climatic cycles during the last 300, 000 years
論文對東北印度洋地區不同地理位置的md81349 、 md77190 、 md77181 、 bar9427四支巖芯的全巖熱釋光和md81349巖芯純凈有孔蟲的熱釋光測量，與已知氧同位素地層資料對比后發現四支巖芯的熱釋光變化與氧同位素地層揭示的氣候變化及可能的隆升事件有良好的對應關系。 -
The most common isotope of oxygen, for example, has an atomic weight of 16, but there are also rarer isotopes with weights of 17 and 18, caused by additional neutrons in their nuclei
例如很常見的同位素氧，原子重量是16 ，但是還有更為稀少的重量為17和18的同位素，這是因為它們的原子核中有額外的中子。 -
Based on hydrochemistry, ree, carbon and oxygen isotope analyzing, possible leakage way of the air - cushioned surge chamber is studied in the xiaotiandu power - station
摘要利用水化學、稀土元素和碳氧同位素的分析方法探討了小天都電站調壓室可能的滲水途徑。 -
The analyses of oxygen and hydrogen isotope indicate that the hydrothermal fluid is dominated by magmatic water with input of a lot of meteoric and underground water in the later stage
包裹體的氧、氫同位素特徵表明，成礦熱液雖以巖漿水為主，但在晚期有較多天水及地下水的混入。 -
The separation and application of oxygen isotope
氧同位素的分離和應用 -
O o method for determination of stable oxygen isotope ratio of water from fruit juices, using isotope ratio mass spectrometry
使用同位素比值度譜法對水果中水的穩定氧同位素比值
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