[1] Song L, Xu W J, Liu Y Y. Introduction of technologies and application of methane emission monitoring[J]. Environmental Protection of Oil & Gas Fields, 27, 1-4,60(2017).
[2] Zhang X, Hu N, Liu S D et al. Characteristics of methane emission from urban traffic in Nanjing[J]. Environmental Science, 38, 469-475(2017).
[3] Peng W L, Hu G Y, Huang S P et al. Natural gas geochemical characteristics and genetic analysis: a case study of the Dongsheng gas field in the Ordos basin of China[J]. Journal of China University of Mining & Technology, 46, 74-84(2017).
[4] Zhu M. The study of methane isotopes[D]. Beijing: Peking University, 1-68(1997).
[5] Ju Y W, Li Q G, Yan Z F et al. Origin types of CBM and their geochemical research progress[J]. Journal of China Coal Society, 39, 806-815(2014).
[6] Zhang Z R, Pang T, Sun P S et al. Measurement of carbon isotope of methane and analysis of its genesis type using laser absorption spectroscopy[J]. Chinese Journal of Lasers, 46, 1211001(2019).
[7] Duan L J, Tang S H, Zhu B C. Review and prospect of research on stable carbon isotope of CBM[J]. China Coalbed Methane, 3, 35-38(2006).
[8] Brass M, Röckmann T. Continuous-flow isotope ratio mass spectrometry method for carbon and hydrogen isotope measurements on atmospheric methane[J]. Atmospheric Measurement Techniques, 3, 1707-1721(2010).
[9] Zare R N, Kuramoto D S, Haase C et al. High-precision optical measurements of
13C/
12C isotope ratios in organic compounds at natural abundance[J]. Proceedings of the National Academy of Sciences of the United States of America, 106, 10928-10932(2009). http://www.ncbi.nlm.nih.gov/pubmed/19564619
[10] Aebersold R, Mann M. Mass spectrometry-based proteomics[J]. Nature, 422, 198-207(2003).
[11] Chen K, Mei M F. Detection of gas concentrations based on wireless sensor and laser technology[J]. Laser Journal, 39, 50-54(2018).
[12] Zang Y P, Nie W, Xu Z Y et al. Measurement of trace water vapor based on tunable diode laser absorption spectroscopy[J]. Acta Optica Sinica, 38, 1130004(2018).
[13] Rothman L S. The evolution and impact of the HITRAN molecular spectroscopic database[J]. Journal of Quantitative Spectroscopy and Radiative Transfer, 111, 1565-1567(2010). http://www.sciencedirect.com/science/article/pii/S0022407310000506
[14] Ma H L, Sun M G, Zha S L et al. Temperature dependence of line parameters of
12C
16O2 near 2.004 μm studied by tunable diode laser spectroscopy[J]. Chinese Physics B, 27, 023301(2018).
[15] del Río F J, Riu J, Rius F X. Robust linear regression taking into account errors in the predictor and response variables[J]. The Analyst, 126, 1113-1117(2001).
[16] Desimoni E. A program for the weighted linear least-squares regression of unbalanced response arrays[J]. The Analyst, 124, 1191-1196(1999). http://adsabs.harvard.edu/abs/1999Ana...124.1191D
[17] Jiao L Z, Dong D M, Zheng W G et al. Determination of nitrite using UV absorption spectra based on multiple linear regression[J]. Asian Journal of Chemistry, 25, 2273-2277(2013). http://www.researchgate.net/publication/345756034_Determination_of_Nitrite_Using_UV_Absorption_Spectra_Based_on_Multiple_Linear_Regression
[18] Vicente de Julián-Ortiz J, Pogliani L, Besalú E. Two-variable linear regression: modeling with orthogonal least-squares analysis[J]. Journal of Chemical Education, 87, 994-995(2010). http://pubs.acs.org/doi/10.1021/ed100307z
[19] McKinney C R, McCrea J M, Epstein S et al. Improvements in mass spectrometers for the measurement of small differences in isotope abundance ratios[J]. Review of Scientific Instruments, 21, 724-730(1950). http://www.ncbi.nlm.nih.gov/pubmed/14781446
[20] Craig H. Isotopic standards for carbon and oxygen and correction factors for mass-spectrometric analysis of carbon dioxide[J]. Geochimica et Cosmochimica Acta, 12, 133-149(1957). http://www.sciencedirect.com/science/article/pii/0016703757900248
[21] Platonov I A, Rodinkov O V, Gorbacheva A R et al. Methods and devices for the preparation of standard gas mixtures[J]. Journal of Analytical Chemistry, 73, 109-127(2018). http://link.springer.com/10.1134/S1061934818020090
[22] Guillevic M, Vollmer M K, Wyss S A et al. Dynamic-gravimetric preparation of metrologically traceable primary calibration standards for halogenated greenhouse gases[J]. Atmospheric Measurement Techniques, 11, 3351-3372(2018).
[23] Quay P, Stutsman J, Wilbur D et al. The isotopic composition of atmospheric methane[J]. Global Biogeochemical Cycles, 13, 445-461(1999). http://onlinelibrary.wiley.com/doi/10.1029/1998GB900006