China has a huge population with relatively poor freshwater resources.With the development of industry and the explosion of its urban population,a great deal of industrial waste water containing various chemicals and ...China has a huge population with relatively poor freshwater resources.With the development of industry and the explosion of its urban population,a great deal of industrial waste water containing various chemicals and untreated urban sewage has been discharged into rivers and lakes and caused severe contamination of many freshwater resources.The deterioration of the aquatic environment has affected the quality of drinking water, fishery and agricultural irrigation.It is estimated that by the 21st century,there will be a shortage of freshwater resources,which arc indispensable to human life, and the future shortage of freshwater展开更多
Generally, the non-equilibrium plasma is produced at low pressure by a glow discharge (1.33Pa-1.33 kPa) including the radio frequency (13.56 MHz), microwave (2450 MHz), AC or DC high voltage discharges. As a method to...Generally, the non-equilibrium plasma is produced at low pressure by a glow discharge (1.33Pa-1.33 kPa) including the radio frequency (13.56 MHz), microwave (2450 MHz), AC or DC high voltage discharges. As a method to directly apply energy to a reaction system, some successful applications have been obtained in the fields such as chemical synthesis and decomposition at plasma, sputtering and filming, deposition at the gas state, polymerization, modification on the material surface, etching, ashing at low temperature and so on. For example,展开更多
文摘China has a huge population with relatively poor freshwater resources.With the development of industry and the explosion of its urban population,a great deal of industrial waste water containing various chemicals and untreated urban sewage has been discharged into rivers and lakes and caused severe contamination of many freshwater resources.The deterioration of the aquatic environment has affected the quality of drinking water, fishery and agricultural irrigation.It is estimated that by the 21st century,there will be a shortage of freshwater resources,which arc indispensable to human life, and the future shortage of freshwater
文摘Generally, the non-equilibrium plasma is produced at low pressure by a glow discharge (1.33Pa-1.33 kPa) including the radio frequency (13.56 MHz), microwave (2450 MHz), AC or DC high voltage discharges. As a method to directly apply energy to a reaction system, some successful applications have been obtained in the fields such as chemical synthesis and decomposition at plasma, sputtering and filming, deposition at the gas state, polymerization, modification on the material surface, etching, ashing at low temperature and so on. For example,
