nitrogen
n. [化]氮,氮氣
Nitrogen is a colourless element that has no smell and is usually found as a gas. It forms about 78% of the earth's atmosphere, and is found in all living things.
1. a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
Nitrogen is the most important for high yield of rice.
氮對水稻高產最為重要.
However, remained organic matter was not enough for the denitrification of nitrogen nitrate.
然而, 有機物過早消耗對硝化後產生的硝酸氮再行反硝化作用不利.
The amide nitrogen of glutamine or asparagine functions more effectively than ammonia.
谷醯胺或天門冬醯胺的醯胺氮作用較氨更有效.
The granularity of coal, inoculation amount of bacteria and additional nitrogen have some effect on desulfurization.
煤樣的粒度 、 菌接種量、加氮源對脫硫有一定影響.
Nitramines are substances which contain a nitro group bonded to nitrogen.
含有與氮原子相連的硝基的物質稱為硝胺.