A third is certain basic chemicals such as carbon, oxygen and nitrogen.
第三种是某些基本的化学物质，如碳、氧和氮。
Let's look at nitrogen to see if it applies there as well.
让我们看看此原理是否适用氮气。
Lactose is also identified as the best carbon source while asparagine the best nitrogen source.
同时确定了乳糖为最佳碳源，天门冬素为最佳氮源。
Hydrogen as a carrier gas is better than nitrogen.
氢气作为载气的效果优于氮气作为载气的效果。
The sample flow was stopped and nitrogen was passed as carrier gas through the column.
停止样品流动，氮气作为载气通过该柱。
Evacuate the equipment and break vacuum with an inert gas, such as nitrogen.
对设备抽真空，然后充入不活泼气体，如氮。
That's because melamine is high in nitrogen, as is protein.
这是因为三聚氰铵和蛋白质一样含氮量比较高。
That's because melamine is high in nitrogen, as is protein.
这是因为三聚氰铵和蛋白质一样含氮量比较高。
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