g*****s 发帖数: 231 | 1 Laughlin, R.J., Stevens, R.J., Zhuo, S., 1997. Determining nitrogen-15 in
ammonium by producing nitrous oxide. Soil Science Society of America Journal
61, 462-465.
Stevens, R.J., Laughlin, R.J., 1994. DETERMINING N-15 IN NITRITE OR NITRATE
BY PRODUCING NITROUS-OXIDE. Soil Science Society of America Journal 58, 1108
-1116.
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