Abstract: According to the present invention, immortalized cells derived from porcine kidney macrophages are found to have high infection susceptibility to various African swlne fever virus strains. As a result, using the cells, it is possible to proliferate the virus and furthermore produce and detect the virus.

Abstract: Provided is a feeder (3) configured such that molten glass (G) is caused to flow through an inside of the feeder (3), the feeder (3) including: electric heating elements (6) arranged in an internal space (S) of the feeder (3) along a flowing direction of the molten glass (G), which are configured to heat the molten glass (G); and restricting portions (7) provided in a heat transfer path in which heat from the electric heating elements (6) reaches a surface (Ga) of the molten glass, which are configured to restrict the heat from being directly transferred to the molten glass (G).

Abstract: A surface-condition-information obtaining unit obtains information on a surface condition of a rewritable display medium on which information is reversely displayed visually. A write-laser output unit outputs a write laser to irradiate the rewritable display medium with the write laser, to perform a drawing on the rewritable display medium. A control unit performs a write process for displaying an image on the rewritable display medium by adjusting a laser output condition based on the information obtained by the surface-condition-information obtaining unit and controlling the write-laser output unit based on an adjustment of the laser output condition.

Abstract: A glass composition for glass fiber comprises, by mass percentage in terms of oxide, 60 to 75% SiO2, 0 to 10% Al2O3, 0 to 20% B2O3, 5 to 15% Li2O+Na2O+K2O, 0 to 10% MgO+CaO+SrO+BaO+ZnO, 0 to 10% TiO2 and 0 to 10% Zr02. A glass fiber consists of the above glass composition for glass fiber. A process for producing a glass fiber comprises the steps of melting the above glass composition in a heat-resistant vessel and continuously drawing out the molten glass through a heat-resistant nozzle so as to form a glass fiber; coating the surface thereof with a chemical; and continuously reeling the coated glass fiber. A composite material is obtained by compositing the glass fiber with an organic resin.

Abstract: A surface-condition-information obtaining unit obtains information on a surface condition of a rewritable display medium on which information is reversely displayed visually. A write-laser output unit outputs a write laser to irradiate the rewritable display medium with the write laser, to perform a drawing on the rewritable display medium. A control unit performs a write process for displaying an image on the rewritable display medium by adjusting a laser output condition based on the information obtained by the surface-condition-information obtaining unit and controlling the write-laser output unit based on an adjustment of the laser output condition.