2021-12-21 UV aging resistanceAccumulation type self-luminous traffic safety signs in the process of use, often subject to ultraviolet radiation in the sun, in the ultraviolet light irradiation can effectively stimulate the light-emitting material to play its performance, but also cause the material surface la
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2021-12-17 Energy storage type self-luminous traffic safety signs in Zhejiang Province has entered the promotion stage, taking into account the self-luminous traffic signs products installed in the field environment, bearing the temperature, humidity, ultraviolet light, wind, salt fog and acid and alkali envir
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2021-10-15 Evacuation safety risks in subway interval tunnelsInter-district tunnels are relatively closed spaces, connected to the station at both ends of the tunnel, with a general length of 1200m and various pipelines set up on both sides of the tunnel side walls. Due to the constraints of the tunnel section
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2021-10-12 Evacuation safety risks in subway interval tunnelsInter-district tunnels are relatively closed spaces, connected to the station at both ends of the tunnel, with a general length of 1200m and various pipelines set up on both sides of the tunnel side walls. Due to the constraints of the tunnel section
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