| 摘要 |
An ornamental display lamp assembly includes a combination lamp socket and plug device holding a lamp bulb and a lampshade around the lamp bulb, and a decorative glass tube supported on the lampshade and disposed in contact with the lamp bulb to receive heat and light from the lamp bulb, the decorative glass tube containing a deposit accumulated on the inside, a volume of water floated on the deposit, and a volume of dichloromethane (CH2Cl2), the deposit being composed of solid state sodium silicate (NaSiO3) and rocks embedded in the solid state sodium silicate, the contained dichloromethane being maintained between the deposit and the layer of water when the lamp bulb is off and the decorative glass tube receives no heat from said lamp bulb, the contained dichloromethane being changed into bubbles when heated by heat from the lamp bulb during the operation of the lamp bulb, which bubbles float upwards from the bottom side of the layer of water to its top side and then sink when reached the top side of the layer of water.
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