1 Compared with ordinary incandescent lamps, quartz-halogen lamps have longer lives and maintain their light output over time.

2 Suitable for incandescent lamp, mercury vapor lamp.

3 Suitable ofr incandescent lamp, vapor lamp.

4 Suitable ofr incandescent lamp, mercury vapor lamp.

5 Mary: Of course not. The incandescent lamp we use in daily life was invented by Edison.

6 Such light as is produced by an incandescent lamp is called incoherent light.

7 Suitable for incandescent lamp mercury vapor lamp high - pressure sodium vapor lamp metal halide lamp.

8 Mary: The incandescent lamp was displayed a World's Fair, and then introduced into people's life.

9 Equipped with incandescent lamp, mercury vapor lamp, high - pressure sodium vapor lamp, metal halide lamp.

10 An incandescent lamp, two interference filters and two Si P-I-N detectors are used as visible radiation source, dispersive elements and photo-electric cells, respectively.

11 The incandescent lamp we use in daily life was invented by Edison.

12 Energy saving equivalent to 6 times life span of an incandescent lamp.

13 The effect is greyish blue in the sunlight and reddish purple in the incandescent lamp light.

14 White-light is the lighting source of black and white camera and color camera, and it can substitute such traditional sources as incandescent lamp, fluorescent lamp and high-pressure gas lamp.

15 Paris Expo, at the Edison invented produced by the tungsten filament incandescent lamp.

16 It features a parabolic reflector that rotates around an incandescent lamp, providing 60 flashes per minute in all directions.

17 In 1880, Thomas Edison received a patent for his electric incandescent lamp.

18 Cold - light source is a new high - tech light source arisen after incandescent lamp, LED and LCD.

19 Series: "QB" Series Embedded Stainless Steel Underwater Lights with Plastic Niche, Toughed Glass Lens, Fit Incandescent Lamp Bulb.