4. This selects the aloe gelatin powder, After extraction separation, again further uses the for medicinal purposes activated charcoal to decolorize obtains the aloe oil.
本品选用芦荟凝胶粉，经萃取分离后，再进一步用药用活性炭脱色则得到芦荟油。
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5. It was observed that algae can decolorize most azo-dyes to some extent, and the decolorization is dependent on several factors such as the structure of dye and species of algae.
实验结果表明，藻对多种偶氮染料具有一定的降解作用，其降解程度与染料的结构和藻的种类等因素有关。
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6. It was observed that algae can decolorize most azo-dyes to some extent, and the decolorization is dependent on several factors such as the structure of dye and species of algae.
