bleached paper pulp造句

• Research on preparation technology of chlorine dioxide and its characteristics of bleaching paper pulp
  二氧化氯的制备工艺及其对纸浆漂白特点研究
• Effective uses of lignin not only economize natural resources , but also benefit protecting environment . previously the amounts of poms used in bleaching paper pulp were plenty , and up to now the problem of circular use of pom has not yet been solved . in this paper we firstly investigate the method that poms as catalysts degenerated lignin by electrolysis , which can solve the problem of circular use
  所以有效利用木质素不仅可以节省自然资源，而且有利于保护环境，本论文针对已有美国专利应用杂多酸( pom )氧化木素用量较大，难以循环利用的问题，首次应用电解法研究了杂多酸催化降解木质素，解决了pom循环使用的问题。