synthesis of high quality one-dimensional electronic materials, mechanical short cutting of one-dimensional nanomaterials,surface modification and dispersion of carbon nanotubes , sidewall functionalization of carbon nanotubes , lb manipulation of nanomaterials and pattern transferring, self-assemble of carbon nanotubes on large wafer surface and electrode, alignment of carbon nanotubes by high-frequency ac dielectrophoresis, nanowelding technology and equipment, carbon nanotube solar cells, cnt breathing nanosensor and monitoring system integration, supersensitiuve nose-ship carbon nanotube gas sensor, carbon nanotube based gas discharge sensor, muti-channeled carbon nanotube field effect transistor (mc-cntfet),cu interconnection enhanced by incoporation of carbon nanotubes ,electron spin transistors based on carbon nanotubes situated between ferromagnetic stripes, spin filter devices on resonant tunneling anti-symmetrical magnetic/semiconductor hybrid structures