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- Carbon and Nitrogen Dynamics in Flooded Soils (HDC) 水涝地中的碳与氮动态学(精)
- soil water and nitrogen dynamics 土壤水氮运移
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- SOIL ORGANIC CARBON AND NITROGEN DYNAMICS DURING THE RE-VEGETATION PROCESS IN THE ARID DESERT REGION 干旱沙区植被恢复中土壤碳氮变化规律
- Nitrogen Dynamics of Reforested Soils Following Agricultural Abandonment over Decades 退耕还林 40年来森林土壤氮库营养的动态变化研究(英文)
- A STUDY ON THE NITROGEN DYNAMICS WITHIN THE ECOSYSTEM OF A COTTON FIELD BY USING ISOTOPE "N 应用~(15)N研究棉田生态系统中氮素动态
- Kelner D J.Vessey J K.Entz MH The nitrogen dynamics of 1-,2-and 3-year stands of alfalfa in a cropping system 1997(4 万素梅.;胡守林
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- The dynamics of natural and human-made bodies in outer space. 航天动力学，天体动力学将天然及人工天体推入外层空间的动力学
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- Fast neutrons are also captured by nitrogen. 快中子也可以被氮吸收。
- Nitrogen forms four-fifths of the atmosphere. 氮气占空气的五分之四。
- It can also perform molecular dynamics simulations. 它能也执行分子的动力学模拟。
- He made a contribution of inestimable importance in the field of dynamics. 他在力学领域作出了一项无可估量的贡献。
