Leds puas tuaj yeem ua rau koj ob lub qhov muag puas?

Cov txheej txheem:

Leds puas tuaj yeem ua rau koj ob lub qhov muag puas?
Leds puas tuaj yeem ua rau koj ob lub qhov muag puas?
Anonim

Cov kws tshawb fawb los ntawm Asmeskas thiab Europe ceeb toom tias cov teeb ci LED tuaj yeem ua rau muaj kev phom sij ntau dua li qhov zoo: Kev tshawb fawb Spanish xyoo 2012 pom tias LED hluav taws xob tuaj yeem ua rau lub retina puas tsuaj tsis tau.

Nws puas muaj kev nyab xeeb los saib cov teeb ci LED?

AMA hais tias lub neej ntev ntawm lub retina thiab lub lens rau xiav peaks los ntawm LEDs tuaj yeem ua rau muaj kev pheej hmoo ntawm cov kab mob cataract thiab hnub nyoog ntsig txog macular degeneration. Cov kev tshawb fawb tseem qhia tau tias lub teeb tawm los ntawm LEDs tuaj yeem ua rau cov kev hloov pauv ntawm cov retinal, yog tias muaj qhov cuam tshuam loj rau lub sijhawm luv luv.

Koj tiv thaiv koj ob lub qhov muag ntawm LED teeb li cas?

Siv Khoos phis tawj tsom iav lossis tsom iav tsom iav Khoos phis tawj tsom iav nrog lub ntsej muag daj daj uas thaiv lub teeb xiav tuaj yeem pab yooj yim lub computer digital qhov muag los ntawm kev sib piv. Anti-reflective lo ntsiab muag txo glare thiab nce qhov sib piv thiab tseem thaiv lub teeb xiav ntawm lub hnub thiab cov khoom siv digital.

YPuas LED zoo rau qhov muag?

raug rau LED teeb tuaj yeem ua rau muaj kev phom sij rau retina ntawm tib neeg lub qhov muag, raws li kev tshawb fawb. Lub teeb-emitting diode (LED) teeb yuav ua rau koj lub qhov muag puas, ib qho kev tshawb fawb tshiab tau thov. Txoj kev tshawb nrhiav pom tias qhov raug rau LED teeb tuaj yeem ua rau muaj kev puas tsuaj rau lub retina ntawm tib neeg lub qhov muag.

Puas LED teeb muaj kev nyab xeeb rau chav pw?

Thiab yog tias koj xav paub: Puas yog LED teeb muaj kev nyab xeeb los tso rau hauv tus menyuam chav pw? Lo lus teb yog YES tab sis tsuas yog yog tusFixture yog qhov siv qis qis (dim), sov kub LED teeb.

Pom zoo:

Nthuav cov khoom
Thaum twg tus neeg raug foob tuaj yeem foob tsab ntawv tso cai?
Nyeem ntxiv

Thaum twg tus neeg raug foob tuaj yeem foob tsab ntawv tso cai?

Ib tsab ntawv tso tawm tuaj yeem foob txhua lub sijhawm. Lawv feem ntau raug foob los ntawm cov neeg raug foob thaum ntxov ntawm kev foob, ua ntej lawv tau ua cov lus teb. Feem ntau ib tsab ntawv tso cai tawm yog liam tias qhov kev thov yuav tsum tsis txhob mus vim qhov teeb meem tsis cuam tshuam txog qhov tseeb.

Lub plab yog dab tsi?
Nyeem ntxiv

Lub plab yog dab tsi?

Galls los yog cecidia yog ib hom o ntawm cov ntaub so ntswg sab nraud ntawm cov nroj tsuag, fungi, lossis tsiaj. Cog galls yog qhov txawv txav ntawm cov ntaub so ntswg, zoo ib yam li cov qog nqaij hlav los yog cov kab mob hauv cov tsiaj. Lawv tuaj yeem tshwm sim los ntawm ntau yam kab mob, los ntawm cov kab mob, cov kab mob thiab cov kab mob, mus rau lwm cov nroj tsuag, kab thiab mites.

Thaum Kiswahili tau ua ib hom lus hauv tebchaws?
Nyeem ntxiv

Thaum Kiswahili tau ua ib hom lus hauv tebchaws?

Ntawm Lub Xya Hli 4, 1974 Thawj Tswj Hwm Jomo Kenyatta tshaj tawm Kiswahili ib hom lus ntawm Parliament, hnub tom qab, Parliament raug coj los ua yeeb yam raws li MPs sim ua kev koom tes hauv hom lus. Thaum Kiswahili tau ua hom lus hauv tebchaws Tanzania?