The Composition and Characteristics of the Algae in the Aeration Pond
tian yong-jing 1 ; dai chao 2 ; wei bao-lin 3; guo wei-hua 1 (1.division of sci-tec admin; usts; suzhou215011; china; 2.dept.of drainage management in suzhou; suzhou215011; chi na; 3.anshan water supply works; liaoning114031; china)