硫化氢hydrogen sulphide
氰化氢hydrogen cyanide
双氧水HYDROGEN PEROXIDE 50%,
硫化氢试验hydrogen sulfide production test
硫化氢浴hydrogen sulfide bath, hydrothion bath
初生氢nascent hydrogen
【化】 砷酸氢二钠sodium hydrogen arseniate
【化学】在两次或更多的裂化过程中没有氢时的处理treatment in the absence of hydrogen by two or more cracking processes