Raney-niccolum catalyst
New Page 3 关键词: 雷尼镍催化剂;乙撑硫脲;顶空气相色谱;大白菜 [gap=611]Key words: Raney-niccolum catalyst,ethylenethiourea,head space-gas chromatography,Chinese cabbage
Raney nickel catalyst
雷尼镍催化剂
raney catalyst