The researches on photochemical degradation , photo - catalytic degradation , biodegradation, ultrasound degradation and so on were mainly discussed.

着重介绍了光化学及光催化技术 、 生物降解和超声波降解等技术在该领域的有关研究.

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Back propagating artificial neutral net ( BP - ANN ) was applied to the forecasting of photochemical degradation of phthalates.

将反向传播人工神经网络 ( BP-ANN ) 用于邻苯二甲酸酯类化合物的光化学降解的预测中.

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