Taking a lightning accident of one unit as clue,weather characteristics and radar echo of lightning disaster occurrence were firstly checked, cause of lightning
In order to evaluate the regulating effect of " aquatic environment protection oriented fishery" on aquatic ecosystem,the water quality,plankton community struc
Damage and interference of the electromagnetic radiation on human body and electronic communication equipment generated by substation were introduced firstly. B
Taking ISI Web of Science thesis database as the data source of document retrieval,and biomass energy and related words as the index words,a retrieval of papers