isotopes of carbon 中文意思是什麼
isotopes of carbon
解釋
碳的同位素-
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。 -
Based on the analysis of the data of carbon nitrogen isotopes and trace elements such as sr, ba ca et al. of the two pieces of excavated human bones of late period of dawenkou culture and period of chunqiu and zhanguo in upper shu river in shandong province, the research applied the analysis of carbon nitrogen isotope and trace elements into the study of ancient diet
摘要本研究通過對山東沐河上游大汶口文化晚期及春秋戰國時期2塊人骨的碳、氮同位素分析和無機成分的掘、鋇、鈣等微量元素分析，探討了同位素和微量元素分析在古代人類食物結構研究中的應用問題。 -
This study used some techniques such as organic geochemistry bulk composition combined with molecular geochemistry, source rock analysis and evaluation of organic petrology, carbon isotopes of organic matter, petroleum geology inference etc. the emphasis is mainly concentrated on the source rocks belong to the shahejie formation of pal eocene, including the source rock evaluation of denan region, geochemistry of the source rock, biomarkers of immature oils and source rocks. then the ancient geological environment was established and immature oil formation mechanism was proposed. following results have been tentatively proposed in this thesis : 1 ) based on the organic petrology studies, most of source rocks in this region is belong to immature source rock
本項研究以德南窪陷重點烴源巖- - -下第三系沙河街組為對象，應用有機地球化學理論與方法對其有機質類型和豐度、成熟度、生烴潛量等進行研究；通過特徵生物標志化合物的分析，闡明研究區未熟-低熟烴源巖母質構成、沉積環境和成熟演化；通過油源對比和生烴條件綜合分析，提出本區烴源巖生烴機制，建立未熟-低熟烴源巖有機質生烴模式。 -
Carbon normally has 6 protons and 6 neutrons. a small amount of carbon has 8 instead of 6 neutrons, and we call them carbon - 14, an important carbon isotopes used for dating historical materials
大部分碳原子有6個質子和6個中子，小部分有6個質子和8個中子，我們稱之為碳十四同位素，可用作測定古物年代。 -
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 -
Analyzing archaeological remains of bone and hair for their abundances of the stable isotopes of carbon and nitrogen ( carbon 13 and nitrogen 15 ) can provide information about a person ' s diet
從考古遺址出土的遺骸，分析骨頭、毛發中碳13 、氮15等穩定同位素的豐度，可以得到有關飲食的資訊。 -
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。 -
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。
分享友人