求翻译：摘要：制药废水属高浓度难降解类废水，在众多废水治理中具有一定难度。本论文实验采用铁碳微电解法对废水进行预处理，研究了反应时间，原水PH,铁碳比对微电解处理效果的影响。实验表明，铁碳微电解预处理某制药厂的高浓度制药废水取得良好的效果，使废水的可生化性大大提高。原水PH=4，反应时间为60min，100ml废水铁碳投加量为铁20g碳2g，采用搅拌法进行微电解反应，CODcr的去除率可以达到40%左右。是什么意思？

Abstract: Pharmaceutical wastewater is a high concentration of refractory class wastewater with a certain degree of difficulty, in many wastewater treatment. In this thesis, experiments using iron-carbon micro-electrolysis wastewater pretreatment, reaction time, a raw water ph, iron-carbon micro-ele

Summary: pharmaceutical waste is in the high-concentration, and in many such waste in waste water treatment are difficult. This paper tests the carbon in iron micro-electrolysis of water is pre-processed, to study the reaction time, the original water PH than carbon, Iron on micro-electrolytic proce

Summary: is a high concentration of pharmaceutical wastewater hardly degradable wastewater, in numerous wastewater treatment, with a certain degree of difficulty. This thesis experimental wastewater by ferric-carbon micro-electrolysis method for pretreatment, study on reaction time, raw water PH, ir