市场系统与污染控制初探

作     者：白桦 

作者机构：宁夏农业学校 

出 版 物：《宁夏农学院学报》 (Journal of Ningxia Agricultural College)

年 卷 期：1997年第18卷第4期

页      面：93-96页

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 07[理学] 08[工学] 09[农学] 0903[农学-农业资源与环境] 0713[理学-生态学] 

主　　题：市场系统 污染控制 污染 

摘      要：Electrokymograph was used to record the changes of Crucian Carp’s respiration movement in polluted water. In the polluted water which contained phenol concentration 0-30ppm, both respiration frequency and cough frequency increased in accord with elevated concentration; In the polluted water which contained mercuric chloride 0～0. 1ppm, the respiration frequency decreased step by step, however cough frequency increased step by step;In the polluted water which contained paper mill wastewater 0-2%, the respiration frequency decreased step by step whereas cough frequency increased step by step.