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1Academic Journal
Alternate Title: Rapid and Accurate Characterization of Enriched Uranium Materials by Inductively Coupled Plasma Mass Spectrometry. (English)
المصدر: Journal of Chinese Mass Spectrometry Society; Nov2023, Vol. 44 Issue 6, p797-806, 10p
مصطلحات موضوعية: URANIUM isotopes, URANIUM, ATOMS
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2Academic Journal
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3Academic Journal
Alternate Title: Effects of urea and ammonium sulfate on N
2 O release pathway in an alkaline paddy soil. (English)المصدر: Journal of Southern Agriculture; Nov2019, Vol. 50 Issue 11, p2429-2435, 7p
مصطلحات موضوعية: UREA as fertilizer, NITROGEN in water, NITROGEN in soils, NITROGEN fertilizers, SODIC soils, SOIL moisture
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4Academic Journal
Alternate Title: Effects of nitrogen fertilization and water content on the process and rate of N
2 O emission in paddy soils. (English)المصدر: Journal of Agro-Environment Science; 2017, Vol. 36 Issue 12, p2553-2560, 8p
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5
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6Academic Journal
Alternate Title: Analysis of Seismo-ionospheric Anomalies in Vertical Total Electron Content of GIM for Lushan Earthquake. (English)
المصدر: Geomatics & Information Science of Wuhan University; Sep2015, Vol. 40 Issue 9, p1274-1278, 5p
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7Dissertation/ Thesis
المؤلفون: 席瑞斌
المساهمون: 北京大学
المصدر: 万方 ; http://d.g.wanfangdata.com.cn/Thesis_Y814572.aspx
مصطلحات موضوعية: Kupka-Smale系统, 稳定流形, 不稳定流形
Relation: 北京大学.; 746379; http://hdl.handle.net/20.500.11897/383571