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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Safe Measure for Pilot-test of Catalysis Hydrogenization 催化加氢中试装置中的安全设施
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- catalysis hydrogenation 催化氢化
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- Catalysis has increased the rate of reaction. 催化作用提高了反应的速度。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- The hydrogen is the known the lightest element. 氢是已知的最轻的元素。
- Hydrogen and oxygen combine/Hydrogen combines with oxygen to form water. 氢与氧化合成水。
- 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。
- Water can be dissolved into hydrogen and oxygen. 水能分解成氢和氧。
- Both hydrogen and oxygen are elements. 氢和氧都是化学元素。
- Hydrogen is a one-valence element. 氢是一价的元素。
- Water is a compound of hydrogen and oxygen. 水是氢和氧的化合物。
- This metal acts on water to set hydrogen free. 这种金属作用于水，就释放了氢气。
- Catalysis may be either homogeneous or heterogenous. 催化可以是均相的，也可以是多相的。
- Water can be broken down into hydrogen and oxygen. 水可以分解为氢和氧。
- Water is made up of oxygen and hydrogen. 水是由氢和氧构成的。
- Catalysis may be either homogeneous or heterogeneous. 催化可以是均相的,也可以是多相的。
- Water is said to consist of oxygen and hydrogen. 据说水由氢气和氧合成。
