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- Water contains hydrogen and oxygen. 水含有氢和氧。
- Inguiry Upon the Optimal Determination Conditions of Hydrogen Nitride Nitrogen in Water with Napierian Reagent Colorimetric Method 纳氏试剂比色法测定水中氨氮适宜条件探讨
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- hydrogen nitride 氨
- Water is composed of the elements hydrogen and oxygen. 水是由氢元素和氧元素组成的。
- The nitride on oxide layers remains intact. 氧化物表层上面的氮化物保持原状不动。
- Water may be resolved into hydrogen and oxygen. 水可以分解为氢和氧。
- Comparative study on nitride and phosphide . 因此，较大的还原气空速易于形成较高的催化剂比表面积。
- 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 trademark used for an abrasive of boron nitride granules. 氮化硼用于一种由氮化硼微粒组成的磨料的商标
- 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。
- 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。
- A trademarkused for an abrasive of boron nitride granules. 氮化硼用于一种由氮化硼微粒组成的磨料的商标。
