求翻译：复合干凝胶经300℃热处理获得的样品对RB水溶液的降解率在60min内达到78.6%，120min时达到了97.1%，基本上将RB降解完全，可见光催化性能性明显高于P25。是什么意思？

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Composite dry gel samples obtained through 300 ° c heat treatment on degradation of aqueous solution of RB rate reached 97.1% in 60min 78.6%,120min is reached, RB degradation complete, visible light catalytic properties clearly higher than the P25.

composite dry gel The 300° heat-treated to C RB aqueous solution of the sample to the drop in the rate within 60 min 120 min, 78.6 % reached a 97.1 % drop, and will be essentially RB completely, the catalytic performance of visible P significantly higher than 25.