This paper describes a new technology for production of rongalite based on sodium pyrosulfite reduced by zinc powder and reacted with formaldehyde.
斜述了用焦亚硫酸
为
,
锌粉还与甲醛加成反应,生产次硫酸氢甲醛的新工艺。
This paper describes a new technology for production of rongalite based on sodium pyrosulfite reduced by zinc powder and reacted with formaldehyde.
斜述了用焦亚硫酸为,锌粉还与甲醛加成反应,生产次硫酸氢甲醛的新工艺。
声明：以上例句、词性分类均
网资源自动生成，部分未
过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
