procedure for determining the isotope ratio of the nitrogen medianteanalisi direct.

• 1. 一种高碳氮比样品中碳氮稳定同位素的测定方法 [P] . 中国专利： CN108445072B . 2020.08.07
• 2. 一种高碳氮比样品中碳氮稳定同位素的测定方法 [P] . 中国专利： CN108445072A . 2018-08-24
• 3. Device, useful for isotopically determining nitrogen monoxide concentration in e.g. breathing air, comprises a UV source of light (emits a light of wavelength and electronically energizes isotope of nitrogen monoxide) and a light detector [P] . 德国专利： DE102004035916A1 . 2006-03-16

  机译： 该装置可用于同位素确定一氧化氮的浓度，例如呼吸空气，包括紫外线光源（发出一定波长的光并以电子方式激发一氧化氮的同位素）和一个光探测器

• 4. procedure for determining the isotope ratio of the nitrogen by direct analysis [P] . ITMI992617A1 . 2001-06-18

  机译： 直接分析确定氮同位素比的方法

• 5. procedure for determining the isotope ratio of the nitrogen by direct analysis [P] . ITMI992617D0 . 1999-12-17

  机译： 直接分析确定氮同位素比的方法

• 1. Evaluation on nitrogen isotopes analysis in high-C/N-ratio plants using elemental analyzer/isotope ratio mass spectrometry [J] . HU Jing, LIU Wei-Guo 核技术（英文版） . 2014,第002期
• 2. An online method to determine chlorine stable isotope composition by continuous flow isotope ratio mass spectrometry (CF-IRMS)coupled with a Gasbench Ⅱ [J] . LIU Yun-de, ZHOU Ai-guo, GAN Yi-qun, 中南大学学报（英文版） . 2013,第001期
• 3. Effect of dietary stable isotopic ratios of carbon and nitrogen on the extent of their incorporation into tissues of rats [J] . Wentao Lv, Tingting Ju, Bing Dong, 畜牧与生物技术杂志：英文版 . 2012,第002期
• 4. Effect of dietary stable isotopic ratios of carbon and nitrogen on the extent of their incorporation into tissues of rats [J] . Wentao Lv, Tingting Ju, Bing Dong, 畜牧与生物技术杂志(英文版) . 2012,第002期
• 5. Calibration procedure to determine the nitrogen impurity concentration in 6H SiC at low concentration levels [C] . International conference on SiC and related materials . 1994
• 6. A new procedure for determining bond orders in polar molecules, with applications to phosphorus and nitrogen containing systems. [D] . Austen, Maggie A. 2003
• 7. Establishment of a method for determining the origin of glutamic acid in processed food based on carbon and nitrogen stable isotope ratios [O] . Kazuhiro Kobayashi, Yoichi Yatsukawa, Masaharu Tanaka, 2019
• 8. Validation of a new procedure to determine plasma fatty acid concentration and isotopic enrichment [O] . Bruce W. Patterson, Guohong Zhao, Nizar Elias, 1999
• 9. Analysis of hydrogen isotope ratios by SIMS, and application to determining mineral-fluid isotope fractionation factors [R] . Riciputi, L. R. , Chacko, T. , Cole, D. R. , 1997

• 1. An online method to determine chlorine stable isotope composition by continuous flow isotope ratio mass spectrometry （CF-IRMS） coupled with a Gasbench Ⅱ [J] . 刘运德 ,周爱国 ,甘义群 . 中南大学学报 . 2013,第001期
• 2. 气溶胶中碳氮稳定同位素快速测定方法 [C] . Zhang Wenqi ,张雯淇 ,Zhang Yanlin . 第一届全国气体同位素技术及地球科学应用研讨会 . 2017
• 3. 中国东部陆架海与西北太平洋春季气溶胶中不同形态氮的空间分布及氮氧同位素应用 [A] . 罗笠 . 2016