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nitrogen_有道词典nitrogen['naɪtrədʒ(ə)n][词典释义]n. [化学] 氮[网络短语]Nitrogen氮,氮气,痰气Nitrogen trichloride三氯化氮,氯化氮Nitrogen mustard氮芥类,氮芥,氮芥气1.氮 [U] There is plenty of nitrogen in the air but it cannot be absorbed directly by the plants. 空气中有大量的氮,但植物不能直接吸收。 Elemental nitrogen is a very unreactive and inert material. 元素氮是一个十分不活跃的惰性物质。1.Nitrogen narcosis (or nitrogen euphoria or raptures of the deep):Effects of breathingnitrogen under increased pressure. 氮麻醉(亦称氮欣快或深水销魂):在压力增高的条件下吸入氮气所产生的生理效应。 2.The droppings from the fowls make the ground rich in nitrogen. 鸟粪使土地含氮丰富。 3.The effect of nitrogen can be overcome by sheathing the flame in argon 氮的影响则可以通过用氩气包覆火焰而予以克服。 4.The basic nitrogen compounds include pyridines and quinolines 碱性氮化物包括吡啶和喹啉。 5.Urea is commonly used as the source of nitrogen in foliage sprays 尿素作为氮素给源普遍地应用于叶面喷布。1. The atmosphere consist of more than 70% of nitrogen.大气中含有 70%以上的氮气。来自《简明英汉词典》2. Every tonne of coal contains,on average,30 kilograms of nitrogen.每吨煤平均含30公斤氮。来自《简明英汉词典》3. The plant requires nitrogen in order to make proteins.植物需要氮以便制造蛋白质。来自《现代汉英综合大词典》4. What is the percentage of nitrogen in air?空气中所含的氮的比例是多少?来自《简明英汉词典》5. Nitrogen is a gas without colour or smell.氮是一种无色无臭的气体。来自《简明英汉词典》