含氮物质 nitrogen substance ; Nitrogenous compounds ; nitrogenous substance
非蛋白质含氮物 non protein nitrogen fraction
含氮废物 nitrogenouz wastes
石油含氮化合物 nitrogen compounds in petroleum
含氮有机化合物 Nitrogenous Organic Compounds ; Organic compounds of containing nitrogen
有机含氮化合物 N-Contained Organic Compounds ; nitrogen-containing organic compounds
木糖含植物氮聚糖 xylose containing plant n-glycans
含氮衍生物 CnHmNZ
含氮污染物 nitrogen pollutants
瘤胃原虫是瘤胃微生物的重要组成部分，它们直接影响饲料中碳水化合物、含氮物质、矿物质和维生素的消化和利用。
The ruminal protozoal is the important component of the ruminal microorganism. They influence the digestion and utilization of carbohydrate, nitrogenous material, mineral and vitamin in feed directly.
研究表明，水质43.7%的化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges.
研究表明，水质43.7%的国家化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study, agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water), 67% of phosphorus and 57% of nitrogen discharges.
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