| 释义 |
Definition of sodium-vapour lamp in English: sodium-vapour lamp(also sodium lamp) noun A lamp in which an electrical discharge in sodium vapour gives a yellow light, typically used in street lighting. （多指街道照明用的）钠蒸气灯，钠汽灯 Example sentencesExamples - We've also put lights up to illuminate the gates and fitted 15 sodium lamps to the gable ends of houses.
- The light source was a sodium lamp.
- Low-pressure sodium lamps, which produce light only at a specific yellow wavelength, mitigate the turtles' confusion.
- In poor lighting conditions at night, he said, yellow sodium lamps such as those in the street lights in Kendal town centre could make a blue shirt appear a different colour.
- The lantern uses a 100 Watt high pressure sodium lamp with a 1289 reflector and an integral control gear.
- School administration directed installation of a new High-Benefit Lighting security system that relied on low-pressure sodium lamps.
- In a model of civic cooperation, the entire city of Tucson, Arizona - the nearest large municipality to the Kitt Peak National Observatory - has converted its streetlights to low-pressure sodium lamps.
- A photoperiod of 16 h was maintained with high-pressure sodium lamps to extend the day length when required.
- Visitors enter through a yellow door by a car park and climb down seven flights of stairs to the warren, which volunteers are restoring by the light of sodium lamps.
- Lighting was supplemented from dawn to dusk with high pressure sodium lamps.
- A vast artificial sun of yellow sodium lamps is installed at the far end of the hall: the entire ceiling is mirrored making the space seem even more immense.
- Plants were illuminated by natural daylight, supplemented by sodium lamps.
- Natural light was supplemented with high-intensity metal halide and sodium lamps suspended 1.3 m above the bench.
- Ofanto plants were grown under greenhouse conditions with supplementary lighting provided by sodium lamps, with a day temperature of 18-20°C and a night temperature of 14-16°C.
- Light came from four 400 W sodium lamps placed on each side of the enclosure and two 1000 W mercury lamps situated above the enclosure.
- Artificial lighting was supplied by sodium lamps for 16 h d - 1 throughout the experiment to supplement and extend natural daylight.
- The trees were maintained in a climate-controlled glasshouse in Urbana, Illinois with day/night air temperatures of 30 / 25°C throughout the year, and supplemental sodium lamps used during the winter.
- High-pressure sodium lamps also are a little cheaper than metal-halide lamps.
- These full cut off lamps maximise the light to the ground while minimising the light spill so long associated with the orange glow sodium lamps they replace.
- The photoperiods were lengthened by high-pressure sodium lamps or shortened by black screens when necessary.
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