对于含氰废液可以进行处理:加入氢氧化钠使pH值10以上,加入过量的高锰酸钾(3%)溶液,使CN 根氧化分解。CN根含量高时,可加入过量的次氯酸钙和氢氧化钠溶液
正确
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培育和弘扬民族精神和时代精神,是社会主义核心价值体系的精髓
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