The wastewater of hexanolactam (nylon) fiber production in Shijiazhuang Synthetic Fiber manufactory is high concentrated with organic nitrogen compounds.
己内酰胺锦纶化属于高含氮高浓度有机。
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It forecast that stormy weather will persist on Monday in parts of Zhangjiakou, Chengde, Tangshan, Baoding, the Xiong'an New Area, Langfang, and Shijiazhuang, the provincial capital, with accumulative precipitation likely exceeding 250 mm in some areas.
据预报,张家口、承德、唐山、保定、雄安新区、廊坊和会石家的部分地区将持续暴风雨天气,部分地区累计降水量可能超过 250 毫米。