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- Abstract The isotope fractionation effect is primary factor affecting accuracy of hydrogen isotope analysis. 摘要 同位素分餾效應是影響氫同位素準確分析的主要因素。
- The isotope fractionation effect is primary factor affecting accuracy of hydrogen isotope analysis. 同位素分餾效應是影響氫同位素準確分析的主要因素。
- This paper summarizes the research method of Cu and Zn isotopes,and the factor affecting isotope fractionation and its application in environment geochemistry. 本文對銅鋅同位素的測試方法、分餾機理及其在環境地球化學研究領域的應用進行了較系統綜述。
- The basic concept of isotope fractionation and the mechanism of Rayleigh fractionation model under equilibrium condition are discussed. 本文簡要介紹了同位素分餾的基本概念,對平衡條件下瑞利分餾機制進行了分析。
- Many environmental processes can cause sulfur isotope fractionation.While microbial sulfate reduction plays a key role in sulfur isotope fractionation in surface environment. 許多環境過程可以引起硫同位素分餾,表生環境下微生物還原硫酸鹽是最重要的硫同位素分餾過程。
- Up to date, most studies are focused on sample pretreatment methods for GC/IRMS analysis, isotope fractionation mechanics in physical-chemical processes and biodegradation. CSIA has been successfully used in environmental pollution assessment. 目前的研究,主要集中在GC IRMS樣品前處理技術、物理化學過程所導致的同位素分餾、不同有機化合物在生物降解過程中的同位素分餾過程諸方面,並初步應用於一些受污染環境的評價中。
- The carbon isotope fractionation of kerogen during thermal maturatio n and wea thering is related to organic type, the better the type is, the greater the frac tionation difference is... 因此,長期以來乾酪根碳同位素一直被視為有機質類型判識的最可靠指標之一...
- In order to investigate carbon isotope fractionation of coalbed methane,a canister desorption experiment of coal was carried out with the samples collected from Jincheng and Changji areas. 為了探討煤層甲烷碳同位素分餾特徵,採集晉城和昌吉地區樣品進行了罐裝解吸實驗。
- The carbon isotope fractionation effect of samples from Jincheng is more apparent than that from Changji, which is mainly attribute to the different pore structure of coal samples. 晉城地區煤樣解吸氣體的同位素分餾效果比昌吉地區的明顯,孔隙結構差異是一個主要影響因素。
- The research status of the stable isotopes in the field of environmental science and the isotope fractionation is revi. 空間信息統計學,又稱為地質統計學,是研究多孔介質空間變異性的有效方法,在環境科學領域有很好的應用前景。
- mass-independent isotope fractionation 非質量同位素分餾
- The catalysis of enzymes causes much more complexity for the isotopic fractionation under microbial actions. 輔酶對反應的催化作用使微生物作用造成的同位素分餾更加複雜。
- The stable isotopic research is established by studying the discrepancy in isotope ratio, which was caused by isotope fractionation, and the isotopic ratio difference can be determined by mass spectrometer. 穩定同位素的研究主要是建立在此同位素分化作用所造成的同位素比值差異,而此同位素比值差異可被質譜儀測知。
- The concept and analytical method of stable isotopes are introduced.The research status of the stable isotopes in the field of environmental science and the isotope fractionation is revi... 本文介紹了穩定同位素分析方法、穩定同位素分餾的研究現狀及其在環境科學研究中的最新應用進展。
- Analysis of tie-bar internal force and pipe fraction factor 系桿內力監測與控制及管道摩阻係數的測試分析
- The relative large lithium isotopic fractionation in natural samples has useful application in the fields of geochemistry, cosmo-chemistry and nuclear chemistry. 自然界鋰同位素分餾強烈,這使得它在很多方面都得到了應用,如地球化學、天體化學和核工業等。
- But for the complex compounds, there are no clear relations between isotopic fractionation and biodegradation degrees because of the multilevel reactions of the biodegradation. 但對於複雜化合物,由於降解的多級反應,同位素分餾與降解程度間的相關性並不明顯。
- The isotopic fractionation under microbial actions belongs to the kinetic isotopic fractionation, which results in the enrichment of heavier isotopes in the remnants. 微生物作用下的同位素分餾為動力同位素分餾,導致重同位素在殘餘物中富集。
- That's a factor which we must not neglect. 這是我們不應忽視的一個因素。
- I factor ed my uncle's estate for three years. 我代管我叔父的財產已有三年了。