The ways and technology of synthesis of alcohol,ether,ester,amine ester,lactone,polyester,carbamide and diamond based on CO2 were explored. Using CO2 as potenti
[Objective] The aim was to predict the change trend of drought in Shaanxi Province in future. [Method] Based on the regional climate model PRECIS from Hadley Cl
[Objective]The research aimed to analyze ' 96. 8' heavy rainstorm process causing flood disaster in Handan. [Method]Based on actual situation data,satel
Environmental pollution problem generated in dairy farming process is the bottleneck restricting development of animal husbandry. By using the investigation dat
Using special commands in TCP/IP protocol family can realize the detection of network running status,and network managers must master the command group. This pr
[Objective]The aim was to study change tendency of the precipitation resource during growth period of the conventional crops in plain area before Taihang Mounta