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问题	粉煤灰细度规定规范？
释义	一级灰（一级粉煤灰）国家标准一级粉煤灰细度是指45μm方孔筛筛余量不大于12%；硅酸盐水泥和普通水泥的细度是用比表面积表示不小于300m2/Kg。除这两种水泥外，别的水泥的细度为45μm方孔筛筛余量不大于30%。二级粉煤灰要求45μm方孔筛余量不大于25%，三级粉煤灰要求45μm方孔筛余量不大于45％. 法律依据：《粉煤灰综合利用管理办法》第三条本办法所称粉煤灰是指：燃煤电厂以及煤矸石、煤泥资源综合利用电厂（以下称产灰单位）锅炉烟气经除尘器收集后获得的细小飞灰和炉底渣。
随便看	产假的工资怎么算产假期间工资是多少产假工资产假基本工资是多少休产假工资产假期间的工资怎么算产假给多少工资产假期间工资如何算国家规定产假工资标准产假工资怎么算的国家法律规定产假工资怎么算产假怎么算工资产假是正常工资吗产假期间工资待遇产假工资产假工资规定产假的工资产假期间工资发放标准产假工资发放标准是多少产假工资发放标准的规定关于产假期间工资待遇产假工资国家规定是什么呢产假期间工资发放标准怎样产假期间工资规定产假期间工资是多少？ people's democracy people's democratic constitutionality people's democratic dictatorship people's democratic self-government people's democratic state people's democratic system people's democratic united front people's deputies people's deputy from the army people serving corvee monthly in localities people's government people's government at the corresponding level people's government at the provincial level people's government in autonomous minority nationality areas people's governments of higher levels people's judge people's juror people's mediation people's mediation board people's mediation commission people's organization people's police people's police engaged in the work for reform through labor people's police in public security organs people's policeman

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