Abstract: A method for manufacturing a surface-treated gas-phase-process silica particle, the method including steps of: adding 1,3-divinyl-1,1,3,3-tetramethyldisilazane to a raw material gas-phase-process silica particle and introducing a vinyldimethylsilyl group on a surface of the raw material gas-phase-process silica particle to obtain a preliminarily treated silica particle; and adding hexamethyldisilazane to the preliminarily treated silica particle and introducing a trimethylsilyl group on a surface of the preliminarily treated silica particle to obtain a surface-treated gas-phase-process silica particle.

Abstract: An information processing apparatus of the present invention comprises an identifier input part for inputting an identifier of an individual, organization or apparatus; a URL list request information generating part for generating URL list request information including a request of URL list having a URL list and the identifier; a communicating part for transmitting the URL list request information to a URL list providing apparatus, receiving the URL list from the URL list providing apparatus, transmitting URL access information for access to a URL generated from a URL list processing part, and receiving information transmitted from the URL; and a URL list processing part for generating the URL access information on the basis of the received URL list, transmitting the URL access information to the communicating part, inputting information from the URL received by the communicating part, and generating and outputting an image signal or an audio signal on the basis of the information.