isotopes of oxygen 中文意思是什麼
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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，或以具較重同位素組成之中間流為主。 -
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。 -
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。 -
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。 -
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，氧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同時，伴隨著碳酸鹽的析出作用，形成鈣質砂巖。 -
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。 -
This study used water samples taken from fon - lin region in hualien river basin and analyzed their hydrogen and oxygen isotopes to investigate the possible sources and evolution processes of groundwater and river water flow
摘要本研究利用氫、氧同位素針對花蓮溪上游鳳林開發區地下水及地表水水文特性進行分析，判斷該區域地下水的補注源及地表與地下水間的相互關系。 -
Composition of oxygen isotopes and discussion on the formation of changkeng au - ag deposit, guangdong province
廣東長坑金銀礦床氧同位素組成特徵及礦床成因討論 -
Implication and application of stable carbon and oxygen isotopes of pedogenic carbonates in soils
土壤次生碳酸鹽碳氧穩定同位素古環境意義及應用 -
The information of the carbon and oxygen isotopes in the ground - water ' s in carbonate plays an indicated role in the seperation the ground water system. and in the end of the paper, some prelimilary suggestion have been naturally put forward for the stop of the leakage in the dam foundation
中稀土sm tb的比值反應了水巖相互作用過程中巖溶作用以及黃鐵礦氧化作用的強弱。地下水中碳酸鹽碳氧同位素的信息對地下水系的劃分起到指示作用。最後，對壩基的防滲提出初步的建議。 -
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。 -
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。 -
Using the composition of stable hydrogen, oxygen, carbon isotopes with data of stream discharge before and after the earthquake of 1999, the research has investigated the hydrologic environment changes and the impact of 921 chi - chi earthquake on wuchi upstream watershed
摘要本研究利用穩定氫、氧、碳同位素配合河川之流量資料，探討南投烏溪流域上游集水區在1999年921集集地震前、后地表水文環境變化特徵及意義。
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