In this paper,the index system of ecological balanced fertilization for rice was discussed by data mining method based on this column.Three aspects of provincia
In this paper,the index system of ecological balanced fertilization for wheat was discussed by data mining method based on this column.Three aspects of provinci
Based on the real-time data released by 17 atmospheric automatic stations in Chongqing,the pollution characteristics and variation trends of PM 2.5 and PM 10 an
Since September 2011,A 2/O-MBR wastewater treatment plant in Xi'an Siyuan University has been successfully running without replacing any of membrane modules