Pob lub teeb fluorescent emit uv?

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Pob lub teeb fluorescent emit uv?
Pob lub teeb fluorescent emit uv?

Video: Pob lub teeb fluorescent emit uv?

Video: Pob lub teeb fluorescent emit uv?
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Anonim

Txhua lub teeb fluorescent emit ib co UV. Cov teeb fluorescent zoo ib yam, suav nrog CFLs, uas cov neeg siv khoom yuav ntsib, tawm cov qib UV tsawg heev. Txhawm rau ntsuas cov hluav taws xob UV los ntawm cov teeb no, yuav tsum siv cov khoom ntsuas rhiab heev.

Yuav ua li cas lub teeb teeb tawm ntawm UV rays?

Incandescent Bulbs

Incandescent qhov muag teev, cov teeb pom kev zoo tshaj plaws hauv tsev, muab me me ntawm UV teeb. Lub teeb UV tawm los ntawm cov qij no me me heev uas nws tsis tuaj yeem ua rau tib neeg noj qab haus huv cuam tshuam rau txhua txoj kev pom.

YPuas lub teeb fluorescent thiab UV teeb tib yam?

Raws li tau hais los saum no, fluorescent hlab siv tib lub thev naus laus zis los tsim cov hluav taws xob ultraviolet raws li UVC qhov muag teev, tab sis lawv siv cov phosphor sib txawv los hloov cov hluav taws xob UV kom pom lub teeb. Cov phosphors nqus cov UV, ua rau lawv muaj kev nyab xeeb, thiab tawm lub teeb pom kev.

YPuas LED teeb tawm UV?

LED tuaj yeem tsim los tsim lub teeb ntawm txhua qhov wavelength. … Txawm li cas los xij cov kev tshawb fawb tau pom tias qauv LEDs tsim ib qho me me ntawm UV Hais tias, tus nqi ntawm UV uas lawv tawm tawm yog tsawg dua. Qhov no yog vim cov phosphors nyob rau hauv ib lub teeb LED uas hloov lub teeb Ultraviolet mus rau lub teeb dawb.

Koj puas tuaj yeem tau txais vitamin D los ntawm lub teeb fluorescent?

UV lub teeb txhawb kev sib txuas ntawm vitamin D, uas yog ib qho tseem ceeb rau kev loj hlob ntawm cov pob txha thiab cov hniav, nrog rau kev txhim kho kev tiv thaiv kab mob.

Pom zoo: