Technology and application of power grid anti-icing and de-icing 并列题名：Technology and application of power grid anti-icing and de-icing Technology and application of disaster monitoring and early warning Technology and application of data mining Technology and application of powerful mass transfer scrubber technology and application of knowledge management technology and applications of 3D integrated circuits Technology and application of natural gas combined cooling heating and power system Technology and application of CAD drawing Technology and application of microgrids