dritë fluorishente

dritë fluorishente

A fluorescent bulb or tube uses the flow of electricity to excite mercury vapour in an inert gas (argon or neon), which creates invisible ultraviolet light. A coating of phosphor on the inside of the glass then converts this into visible light - a process known as fluorescence. They have higher energy efficiency and longer life than traditional incandescent bulbs. See also CFLs/low-energy lightbulbs.

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Pridėti vaizdą

Kalbos dalis: noun
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Pramonės šaka / sritis: Natural environment
Category: Climate change
Company: BBC
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dritë

Food (other); Tea

A term describing tea that produces a weak infusion.

dritë

Aerospace; Space flight

Electromagnetic radiation in the neighborhood of 1 nanometer wavelength.

ngrohje globale

Natural environment; Climate change

Global warming refers to the increase in the earth's surface (or near-surface) temperature in recent decades due to higher levels of greenhouse gases, and the projected worsening ...

hibrid

Natural environment; Climate change

A hybrid car is one that has both a petrol engine and an electric motor and switches between them according to the driving conditions. It is different from a dual-fuel vehicle, ...

hidrokarbon

Natural environment; Climate change

Hydrocarbons are compounds made up of hydrogen and carbon only. All fossil fuels - such as coal, oil and gas - are hydrocarbons, until they are burnt when they mix with oxygen, ...

gaz inert

Natural environment; Climate change

Inert gases are those, including helium and neon, that are not normally chemically reactive. The inert gases argon and krypton are often used in sealed double glazing units ...

mërkur

Natural environment; Climate change

Mercury (chemical symbol Hg) is a metal that is liquid at standard temperature and pressure. It is used in the manufacture of low-energy lightbulbs (CFLs and other fluorescent ...

metan

Natural environment; Climate change

Methane is a hydrocarbon, the main component of natural gas and among the six greenhouse gases to be curbed under the Kyoto protocol. As a greenhouse gas it is estimated to have a ...