经纯化后的色素为紫黑色粉末，其色价是未纯化的8倍左右，比国家规定的最低标准提高了14倍左右。
And the chromosphere was nearly 8 times higher than that of pigment without purification and 14 times than what is regulated in national standard.
国际太阳能光伏价格的大规模下跌是基于能源密集型生产的未纯化硅。
The large-scale decline of international Solar PV price is based on the energy-intensive production of unpurified silicon.
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