On Diophantine Equation x~3±27=Dy~2
QIAN Li-kai;DU Xian-cun;Teachers’ Educational College;Honghe University;School of Teacher Education;Qujing Normal University;
Influence of Different Aeration Rates on “Farm Fun” Sewage Treatment in Aerobic Packed Bed
SU Xiang;WANG Jia;ZHANG Wei-jin;School of Environmental and Biological Engineering;Chongqing Technology and Business University;Weinan Environmental Protection Science and Technology Consulting Center;Management Committee;Chongqing Yongchuan Phoenix Lake Industrial Park;