专业释义英英释义
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氮 - 引用次数：4822
The biomass between the different nitrogen concentrations had a little difference.
3、2种生菜的生物量随着氮浓度的增加而增加,且生物量在氮水平间差异较小。
参考来源 - 不同施氮水平对几种水培叶菜硝酸盐累积影响的研究 -
氮气
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痰气
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氮氮气
·2,447,543篇论文数据，部分数据来源于NoteExpress
nitrogen [ 'naitrədʒən ]
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n.
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
同义词： N atomic number 7
以上来源于: WordNet
柯林斯英汉双解大词典
nitrogen /ˈnaɪtrədʒən/ CET4 TEM4
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1.
N-UNCOUNT Nitrogen is a colourless element that has no smell and is usually found as a gas. It forms about 78 percent of the Earth's atmosphere, and is found in all living things. 氮
双语例句原声例句权威例句
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The faeces contain nitrogen which fertilizes the soil.
排泄物含有肥沃土壤的氮。
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The plant requires nitrogen in order to make proteins.
植物需要氮以制造蛋白质。
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But improved farming methods later increased their yields and, at the same time, made better use of chemical nitrogen fertilizer.
VOA: special.2009.07.28
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So, in order to fill our octet, what we do is put two on the nitrogen and two on the carbon.
因此，为了填满我们的“八隅体“,我们需要将两个放到氮上，将另外两个放到碳上。
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So what we can actually directly compare is the dissociation energy or the bond strength of nitrogen versus hydrogen.
因此实际上我们可以直接进行比较,对氮分子与氢分子的离解能,或键的强度。
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