颗粒氮的分布主要受生物活动及陆源输入共同控制。
The distributions of particulate nitrogen were controlled by both biological activities and continental input.
利用顺磁共振、紫外-可见吸收光谱和红外吸收光谱研究了湖南砂矿金刚石中杂质氮的存在形式和孤氮的分布特点。
Existing forms of nitrogen impurity and distributional characteristics ofisolated nitrogen in Hunan placer diamonds have been studied by means of EPR, violet-visible and IR spectroscopy.
生物质锅炉除尘器生物质燃料是可再生的碳源，具产量巨大、分布广泛、低硫、低氮、生长快、二氧化碳排放低的特点。
Biomass biomass boiler precipitator fuel is a renewable source of carbon, with great production, wide distribution, low sulfur, low nitrogen, fast growth, low carbon dioxide emissions.
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