氮氧同位素在城市地表水硝酸盐来源解析的应用进展Progress on the Application of Nitrogen and Oxygen Isotopes in the Study of Nitrate Sources in Urban Rivers

2012 ◽  
Vol 02 (04) ◽  
pp. 183-186
Author(s):  
任 玉芬
2020 ◽  
Vol 303 ◽  
pp. 107089
Author(s):  
Chao Yin ◽  
Haiquan Yang ◽  
Jingfu Wang ◽  
Jianyang Guo ◽  
Xuyin Tang ◽  
...  

2020 ◽  
Vol 274 ◽  
pp. 111197
Author(s):  
Xiaojuan Guo ◽  
Yongchun Tang ◽  
You Xu ◽  
Sisi Zhang ◽  
Jun Ma ◽  
...  

2002 ◽  
Vol 3 (2) ◽  
pp. 125-130 ◽  
Author(s):  
S. R. Silva ◽  
P. B. Ging ◽  
R. W. Lee ◽  
J. C. Ebbert ◽  
A. J. Tesoriero ◽  
...  

2020 ◽  
Vol 225 ◽  
pp. 117371 ◽  
Author(s):  
Li Luo ◽  
Yuan-Yuan Pan ◽  
Ren-Guo Zhu ◽  
Zhong-Yi Zhang ◽  
Neng-Jian Zheng ◽  
...  

1932 ◽  
Vol 41 (2) ◽  
pp. 141-148 ◽  
Author(s):  
George M. Murphy ◽  
Harold C. Urey

Radiocarbon ◽  
2012 ◽  
Vol 54 (3-4) ◽  
pp. 837-844 ◽  
Author(s):  
Noreen Tuross

The Fifth International Radiocarbon Comparison (VIRI) provided a suite of 5 bone samples with consensus ages ranging from 969 to 39,305 14C yr BP (Scott et al. 2010). These bones were used herein in a comparison of decalcification methods using either HCl or EDTA to produce collagen, and the results demonstrate age concordance between both preparation methods and the VIRI consensus values. Additional isotopic analyses of the collagen (δ13C, δ15N, and δ18O) illustrate the increasing sensitivity of carbon, nitrogen, and oxygen isotopes in assessing gelatin degradation.


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