Add spaces: ProfessorFlemmingBesenbacher,leaderofaDanish-ChineseResearchCenterforSelf-AssemblyandFunctionofMolecularNanostructuresonSurfacesisawardedbythestatepresidentofChina.

Answer: Professor Flemming Besenbacher, leader of a Danish-Chinese Research Center for Self-Assembly and Function of Molecular Nanostructures on Surfaces is awarded by the state president of China.

Add spaces: GuestscomeagainandagaintotastethisspecialHotelArcticbuffetandtosampleboththehotandcolddishespreparedbythechefs,andaccompaniedbyfreshlybakedbread.

Answer: Guests come again and again to taste this special Hotel Arctic buffet and to sample both the hot and cold dishes prepared by the chefs, and accompanied by freshly baked bread.

Add spaces: TheKatana-Airalsoincludesastereoheadphones/recordingoutputwithguitarcabinetsimulation.

Answer:
The Katana-Air also includes a stereo headphones/recording output with guitar cabinet simulation.