The central value 23°26’17″ of the Tropic of Cancer is used for delimiting the standard position of the Tropic of Cancer as well as countries,regions and
A method of rapidly detecting three kinds of microcystins (MCs) in environmental water samples by using disk SPE - ultra high performance liquid chromatography
For the control of environment pollution caused by livestock and poultry manure,four microbial strains conducive to aerobic composting were selected and mixed i
Based on the daily observation data of shallow ground temperature,total cloud cover,precipitation,evaporation capacity and frozen soil of 5 stations in Shijiazh
Based on meteorological field and air quality observation data,air pollution process over Pearl River Delta( PRD) in August of 2012 was analyzed. There were fiv