methylhydrazine造句

• This paper discribes the preliminary investigation on radiolysis behavior of methylhydrazine ( mmh ) , ? - hydroxylethylhydrazine ( heh ) and acet - hydroximic acid ( aha ) in co - 60 y field
  对甲基肼( mmh ) 、 -羟基乙基肼( heh )及乙羟肟酸( aha )等在co - 60辐照场中的辐解行为进行了初步的定性或定量研究。
• Using ethyl cyanoacetate , triethyl orthoformate and methylhydrazine as main raw materials , the herbicide pyrazosulfuron was prepared through the reactions of substitution , amination , cylclization , diazotization and chlorosulfonation
  摘要以氰乙酸乙酯、原甲酸三乙酯和甲肼等为主要原料，通过取代、胺化、环化、重氮化和氯磺化等反应制得了除草剂吡嘧磺隆原料药。