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- Now, however, researchers at Canada's National Research Council in Ottawa have produced a three-dimensional scan of the outermost electron orbital around a nitrogen molecule. 不过，位于渥太华的加拿大国家研究委员会，其研究人员最近却针对氮分子最外层的电子，拍摄出其绕行轨道的三维立体影像。
- Ionized nitrogen molecules issued purple and blue light. 电离的氮分子则发出紫蓝色的光。
- After a little argon was mixed, the breakdown voltage of discharge obviously decreased.The spectral line intensities of nitrogen molecules and nitrogen atoms increased. 在大气中加入少量氩气后，击穿电压明显降低，在相同电压条件下，氮分子光谱线和氮原子光谱线强度都增强。
- Biochemistry) A nitrogenous molecule, either a PYRIMIDINE or a PURINE, that combines with a pentose sugar and phosphoric acid to form a nucleotide, the fundamental unit of nucleic acids. 2碱基：一种含氮的分子，嘌呤碱或者是嘧啶碱，它们和戊糖还有磷酸一起构成核苷酸，核苷酸是核酸的基本结构单位。
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Theoretical Calculation of Transport Properties and Potential of Nitrogen Molecule 氮分子相互作用势及输运性质的理论计算
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- A molecule that can combine with others to form a polymer. 单体可以与其他分子结合形成聚合物的分子
- An oxide containing three oxygen atoms per molecule. 三氧化物每个分子中含有三个氧原子的氧化物
- nitrogen molecule 氮分子
- 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。
- Closest to the functional group of atoms in an organic molecule. 阿尔法位的，第一位的在有机分子中离功能原子基团最近的
- Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗?
- A film or layer of a compound one molecule thick. 单分子层一分子厚度化合物的膜或层
- Containing three atoms per molecule. 三原子的三代的每个分子中包含有三个原子的
- Glucose has a simple sugar molecule. 葡萄糖含有单糖分子。
- Nitrogen is the most commonly used gas. 氮气是最常用的气体。
- Sample gas tubes are flushed with nitrogen. 采气管得用氮气吹扫。
