时间:2022-04-11 20:38:43
n.
【化学】氢。
a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
同义词:H, atomic number 1,
Hydrogen is a chemical element with symbol?H and atomic number?1. With an atomic weight of ( for hydrogen-1), hydrogen is the lightest element and its monatomic form (H1) is the most abundant chemical substance, constituting roughly 75% of the Universe's baryonic mass.
Zinc displaces the hydrogen of dilute acids .
锌置换了稀酸中的氢。
Water is composed of hydrogen and oxygen .
水由氢与氧化合而成。
Water consists of hydrogen and oxygen .
水由氢和氧二元素合成。
Water is composed of hydrogen and oxygen .
水是由氢和氧组成。
The hydrogen sulfide is often blamed for the corrosion .
硫化氢常常引起腐蚀。
Nitric acid molecules are linked by hydrogen bonds .
硝酸分子以氢键互相连结。
Water can be resolved [decomposed] into hydrogen and oxygen .
水可分解为氢和氧。
Water is composed of the elements hydrogen and oxygen .
水是由氢、氧元素组成的。
Hydrogen is a one-valence element .
氢是一价的元素。
Catalase catalyes the breakdown of hydrogen peroxide .
过氧化氢酶催化过氧化氢的分解。