氮为地球大气的主要成分。也是生命所需的重要元素,是蛋白质的重要组成部分,与生命体的成长、代谢息息相关。含氮物质即含有氮元素的物质。
大气中的氮被转变成含氮物质。
The conversion of atmospheric nitrogen into nitrogenous substances.
本试验以香菇为原料,对微波法提取香菇含氮物质的工艺进行了研究。
The nitrogenous substances-extracting technology by microwave from Lentinus edodes was studied.
人类使河川释放出一氧化二氮增加,而研究结论指出,透过减少使用农业肥料和其他含氮物质,可以改善这种情况。
Reducing use of agricultural fertilizer and other sources of nitrogen are examples of how to decrease humanity’s contribution to the growth of nitrous oxide produced in waterways, the study concluded.
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