The painting has been threatened before by napoleon 's army , by the poor attempts of previous conservators , by bombs during world war ii .
在此之前，这幅杰作一直受到威胁----拿破仑军队的掠夺，先前的管理员们拙劣的保存，二战期间的轰炸。
Some chemicals used in preparing wood pulp resulted in what paper conservators call " self-destructing paper , " which turned brown and brittle with age .
在制备木浆中使用的某些化学物造成纸保护者所谓的“自毁纸”，即随着时间的推移变黄变脆的纸。
Taliban hammers had shattered the fired-clay statue , and museum conservators recently finished reassembling the fragments .
塔利班的榔头敲碎了这尊粘土烧塑像，而馆方的保存专家最近才将碎片拼组完成。
International association of conservators of archival material , books and the restoration of cultural property .
国际档案资料、书籍、文化资产保存维护人员协会。
Conservators had the painstaking task of collecting all the individual pieces before beginning the process of sticking them back together again .
