This experiment mainly investigates several aspects as follows:the effects and mechanism of removing hexavalent chromium using ion-exchange;
实验中主要研究以下几点：离子交换对六价铬的去除效果和机理；
This experiment mainly investigates several aspects as follows:the effects and mechanism of removing hexavalent chromium using ion-exchange;
实验中主要研究以下几点：离子交换对六价铬的去除效果和机理；
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