Abstract: The present disclosure relates to a method for preparing tolimidone on large scale with maintaining high purity and uniform particle size distribution, and more specifically, a method suitable for preparing tolimidone on industrially large scale by using tetrabutyl ammonium bromide catalyst and recrystallization in ethanol, which can prepare highly pure tolimidone in a time shorter than prior arts while maintaining water content and particle size distribution constantly.

Abstract: The present disclosure relates to a method for preparing tolimidone on large scale with maintaining high purity and uniform particle size distribution, and more specifically, a method suitable for preparing tolimidone on industrially large scale by using tetrabutyl ammonium bromide catalyst and recrystallization in ethanol, which can prepare highly pure tolimidone in a time shorter than prior arts while maintaining water content and particle size distribution constantly.

Abstract: A pain sensing device includes a sensor array including a plurality of sensors that sense pressure generated due to a contact of an object and output electrical piezoelectric signals; and a signal processor configured to recognize the shape of the object based on the number of sensors that output the piezoelectric signals among the plurality of sensors, and to generate a pain signal according to the recognized shape of the object.

Abstract: A pain sensing device includes a sensor array including a plurality of sensors that sense pressure generated due to a contact of an object and output electrical piezoelectric signals; and a signal processor configured to recognize the shape of the object based on the number of sensors that output the piezoelectric signals among the plurality of sensors, and to generate a pain signal according to the recognized shape of the object.

Abstract: A pain sensing device includes a sensor array including a plurality of sensors that sense pressure generated due to a contact of an object and output electrical piezoelectric signals; and a signal processor configured to recognize the shape of the object based on the number of sensors that output the piezoelectric signals among the plurality of sensors, and to generate a pain signal according to the recognized shape of the object.

Abstract: A pain sensing device includes a sensor array including a plurality of sensors that sense pressure generated due to a contact of an object and output electrical piezoelectric signals; and a signal processor configured to recognize the shape of the object based on the number of sensors that output the piezoelectric signals among the plurality of sensors, and to generate a pain signal according to the recognized shape of the object.

Abstract: Disclosed are a separator for a fuel cell that improves power characteristics of the fuel cell, and a fuel cell including the same. The separator includes a plurality of current-carrying units, and an insulating unit interposed between the current-carrying units, wherein each current-carrying unit includes a first polymer matrix in which carbon-based particles are dispersed, and the insulating unit includes a second polymer matrix in which insulating inorganic particles are dispersed. The separator for fuel cells includes an insulating unit that exhibits low gas permeability and superior electrical insulation property, and the current-carrying unit that exhibits superior strength characteristics and conductivity, thus increasing voltage generated per one cell and considerably increasing a power generated per a constant area, when applied to the fuel cells.