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- Containing two replaceable hydrogen atoms. 二元的含有两个可取代的氢原子的
- But what ionizes the hydrogen atoms? 那么,又是什么电离的氢原子呢?
- An acid having one replaceable hydrogen atom. 一元酸只有一个可置换氢原子的酸
- Being combined with two hydrogen atoms, one oxygen atom may form a molecule of water. 一个氧原子同两个氢原子化合,可以形成一个水分子。
- We will consider this Zeeman effect for the hydrogen atom. 我们将对氢原子考虑此塞曼效应。
- How many hydrogen atoms are present in 16 grams of methane ? 十六克甲烷中有多少氢原子?
- A proton or a neutron has about the same mass as a hydrogen atom. 质子或中子的质量和氢原子的质量大致相同。
- The oxygen atom is nearly 16 times as heavy as the hydrogen atom. 氧原子的重量几乎是氢原子的16倍。
- An acid containing only one replaceable hydrogen atom per molecule. 每个分子仅含有一个可置换的氢原子的酸。
- This simple molecule consists of one oxygen atom and two hydrogen atoms. 这个简单的水分子由一个氧原子和两个氢原子构成。
- It is the natural frequency of emission of the hydrogen atoms in space . 这是空间氢原子“释放”的自然频率。
- The simplest covalently bonded molecule is formed from two hydrogen atoms. 最简单的共价键分子由两个氢原子组成。
- Who knows the atomic weight of the hydrogen atom? 谁知道氢原子的原子量究竟是多少?
- The hydrogen atom is lighter and simpler than the atoms of any other elements . 氢原子较之其他任何元素的原子的重量都轻,结构都简单。
- Astronomers have found that many stellar objects contain hydrogen atoms. 天文学家们已经发现,许多恒星上含有氢原子。
- These atoms can remove or abstract a hydrogen atom which is attached to carbon. 这些原子也可以除去或摘取结合在碳原子上的一个氢原子。
- We now incorporate this condition into the analysis of the hydrogen atom. 现在我们把这个条件用于分析氢原子。
- He applied the concept of quantization of energy to the hydrogen atom. 他把能量量子化的概念用于氢原子。
- Now consider applying an external magnetic field to the hydrogen atom. 现在考虑加一外磁场于氢原子。
- Containing three replaceable hydrogen atoms per molecule.Used of an acid. 三元的三代的,三碱(价)的每个分子中含有三个可取代的氢原子的。用于酸类