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- A molecule of ammonia is made up of one atom of nitrogen and three atoms of hydrogen. 氨分子包含一个氮原子和三个氢原子。
- In proteins,atoms of nitrogen are combined with carbon, hydrogen and oxygen atoms. 在蛋自质中,氮原子与碳、氢、氧原子相化合。
- In proteins, atoms of nitrogen are combined with carbon, hydrogen and oxygen atoms. 在蛋自质中,氮原子与碳、氢、氧原子相化合。
- A six-membered heterocyclic compound, such as pyridine, that contains one or more atoms of nitrogen with a ring structure resembling that of benzene. 吖?,连氮由六种元素构成的杂环化合物,如氮苯(吡啶),它由一个或更多的氮原子构成,呈环状结构,类似苯的结构
- A six - membered heterocyclic compound,such as pyridine,that contains one or more atoms of nitrogen with a ring structure resembling that of benzene. 吖?,连氮由六种元素构成的杂环化合物,如氮苯(吡啶),它由一个或更多的氮原子构成,呈环状结构,类似苯的结构
- Nylon, for example, is a manmade fibre with molecules made out of carbon chains in which atoms of nitrogen, hydrogen, and oxygen fit in a particular arrangement. 例如,尼龙就是一种人造纤维,这种纤维由碳链组成的分子构成,而在碳链中,氮、氢和氧原子处于特殊排列状态。
- The sky appears blue to us on a clear day, because the atoms of nitrogen and oxygen in the atmosphere separate the suns white light into its many colors, and scatter them throughout the atmosphere. 晴天,我们看天空是蓝色的,因为大气中氮原子和氧原子将太阳的白光分解成许多种颜色,分散在大气层中。
- The sky appears blue to us on a clear day,because the atoms of nitrogen and oxygen in the atmosphere separate the suns white light into its many colors,and scatter them throughout the atmosphere. 晴天,我们看天空是蓝色的,因为大气中氮原子和氧原子将太阳的白光分解成许多种颜色,分散在大气层中。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- That cannot get up an atom of sympathy for them. 那并不能激发起人们对他们的丝毫同情。
- There isn't an atom of truth in the rumour. 谣言中没有丝毫的真实性。
- One atom of oxygen is linked to the nitrogen atom by a double bond. 一个氧原子以双键与氮原子相连。
- There was not an atom of evidence to convince him. 没有一点能使他信服的证据。
- The main reservoir of nitrogen is the atmosphere. 氮的主要蓄存库是大气层。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
- A molecule of water consists of two atoms of hydrogen and one atom of oxygen. 水分子含有两个氢原子和一个氧原子。
- There's not an atom of truth in what he said. 他所说的没有一点是真话。
- The crux of the matter was a lack of nitrogen. 问题的关键在于缺少氮。
- There is not an atom of truth in the rumor. 那谢意毫无真实性。
- Atoms of hydrogen are fused to make helium. 氢原子可熔合成氦。