Kev siv ntau yam ntawm 395 nm UV Teeb
Ultraviolet (UV) lub teeb,Ib ntu ntawm cov electromagnetic spectrum nrog wavelengths luv dua li pom lub teeb tab sis ntev dua X-rays, yog categorized rau peb lub ntsiab bands: UVA (315–400 nm), UVB (280–315 nm), thiab UVC (100–280 nm). Ntawm cov no, 395 nm UV teeb poob rau hauv UVA ntau yam, ze rau qhov pom lub teeb pom kev zoo (lub teeb violet pib nyob ib ncig ntawm 380 nm). Qhov tshwj xeeb wavelength no muaj cov khoom tshwj xeeb uas ua rau nws muaj nuj nqis nyob hauv ntau qhov kev lag luam, los ntawm kev tsim khoom thiab kev kho mob mus rau forensics thiab kev lom zem. Nws lub peev xwm los ntxias cov fluorescence, pib cov tshuaj tiv thaiv photochemical, thiab cuam tshuam nrog cov ntaub ntawv tshwj xeeb yam tsis muaj kev cuam tshuam hnyav ntawm luv luv UV wavelengths tau coj mus rau nws txoj kev siv dav hauv ob qho tib si kev lag luam thiab cov neeg siv khoom.
Ib qho ntawm cov kev siv tseem ceeb ntawm 395 nm UV teeb yog nyob rau hauvUV kho, txheej txheem uas leverages photopolymerization kom qhuav sai los yog tawv inks, adhesives, coatings, thiab resins. Tsis zoo li cov txheej txheem ziab khaub ncaws uas cia siab rau cua sov lossis huab cua, UV curing siv lub teeb los ua kom muaj tshuaj lom neeg cov tshuaj tiv thaiv hauv photoinitiators -cov tshuaj ntxiv rau cov khoom uas nqus UV zog thiab hloov mus rau hauv hom reactive, xws li dawb radicals. Cov radicals no pib ua cov polymerization ntawm monomers thiab oligomers, tsim cov khoom, hla - txuas polymer network hauv vib nas this lossis feeb. 395 nm UV teeb tshwj xeeb rau lub hom phiaj no vim tias nws nkag mus tob rau hauv cov ntaub ntawv tuab lossis xim piv rau luv luv UV wavelengths (xws li, 365 nm). Pigments thiab fillers nyob rau hauv coatings los yog inks feem ntau nqus luv luv UV rays, txwv lawv lub peev xwm mus cuag photoinitiators nyob rau hauv lub qis txheej. Ntawm 395 nm, lub teeb hla dhau ntau qhov kev nqus no, kom ntseeg tau tias kev kho zoo ib yam thoob plaws hauv cov khoom. Qhov no ua rau nws zoo tagnrho rau cov ntawv sau npe xws li automotive painting, qhov twg tuab, xim coatings yuav tsum tau kho kom huv si kom ua tiav durability thiab glossy tiav, thiab hauv 3D luam ntawv, qhov txheej txheej - los ntawm - txheej curing ntawm resin - cov ntaub ntawv raws li cov ntaub ntawv xav tau meej, tob tob.
Nyob rau hauv lub realm ntawmforensics thiab kev ruaj ntseg,395nm UV teebplays lub luag haujlwm tseem ceeb hauv kev tshawb xyuas cov pov thawj thiab kev lees paub cov ntaub ntawv. Ntau yam khoom, suav nrog cov kua dej hauv lub cev (xws li ntshav, qaub ncaug, thiab phev), qee cov fibers, thiab cov khoom siv taug qab, pom cov fluorescence thaum raug UV. Fluorescence tshwm sim thaum cov khoom siv absorbs lub teeb ntawm ib lub wavelength (qhov no, 395 nm) thiab emits lub teeb ntawm ib tug ntev, pom wavelength. Cov kws tshawb nrhiav forensic siv395nm UV teebtxhawm rau teeb pom kev ua txhaum cai, nthuav tawm cov pov thawj zais uas yuav txwv tsis pub pom ntawm qhov muag liab qab. Tsis zoo li luv luv UV wavelengths, 395 nm lub teeb tsis tshua muaj kev phom sij rau cov ntaub so ntswg nyob thiab ua rau tsis pom kev, ua rau cov neeg tshawb nrhiav ua haujlwm yooj yim rau lub sijhawm ntev. Tsis tas li ntawd, 395 nm UV lub teeb yog dav siv hauv cov ntaub ntawv pov thawj. Cov ntawv teev nyiaj, ntawv hla tebchaws, thiab cov ntaub ntawv raug cai feem ntau muaj UV-reactive kev ruaj ntseg nta-xws li pom tsis tau inks, watermarks, los yog threads- uas ci nyob rau hauv tej UV wavelengths . 395 nm lub teeb yog nyiam rau daim ntawv thov no vim nws excites cov kev ruaj ntseg nta muaj zog thaum txo kev cuam tshuam los ntawm pom teeb pom kev zoo, ua counterfe.
395 nm UV teeb kuj pom cov ntawv thov hauvhorticulture thiab kev ua liaj ua teb, qhov twg nws cuam tshuam cov nroj tsuag kev loj hlob thiab kev loj hlob. Thaum cov nroj tsuag feem ntau vam khom lub teeb pom kev (tshwj xeeb yog xiav thiab liab wavelengths) rau photosynthesis,UVA teeb, suav nrog 395 nm, tuaj yeem txhim kho qee cov txheej txheem physiological. Kev tshawb fawb tau pom tias raug rau 395 nm UV teeb tuaj yeem ua rau cov metabolites theem nrab hauv cov nroj tsuag, xws li flavonoids thiab anthocyanins. Cov tebchaw no ua raws li cov tshuaj pleev thaiv hnub ntuj, tiv thaiv cov nroj tsuag los ntawm kev puas tsuaj los ntawm lub hnub ci hnyav, thiab tseem pab txhawb kev txhim kho tsw, xim, thiab khoom noj muaj txiaj ntsig hauv txiv hmab txiv ntoo thiab zaub. Piv txwv li, hauv kev cog qoob loo ntawm cov txiv hmab txiv ntoo, tswj kev raug rau 395 nm UV teeb tuaj yeem txhim kho cov synthesis ntawm resveratrol, uas muaj txiaj ntsig zoo antioxidant. Tsis tas li ntawd, 395 nm UV teeb tuaj yeem pab tswj cov nroj tsuag kev loj hlob, txhawb kev cog lus ntau dua, kev loj hlob zoo hauv qee hom los ntawm kev txo cov qia elongation. Qhov no yog tshwj xeeb tshaj yog muaj txiaj ntsig zoo hauv kev ua liaj ua teb sab hauv tsev thiab tsev cog khoom, qhov kev tswj xyuas meej ntawm lub teeb pom kev zoo tso cai rau cov neeg cog qoob loo txhawm rau txhim kho qoob loo zoo thiab tawm los.
Hauvcov ntaub ntawv tshawb fawb thiab tsis yog -kev kuaj kev puas tsuaj, 395nm UV teebyog siv los tshuaj xyuas cov ntaub ntawv rau qhov tsis zoo, tawg, lossis tsis sib xws uas tsis pom nyob hauv lub teeb pom kev zoo. Cov txheej txheem no, hu ua UV fluorescence tshuaj xyuas, tso siab rau ntawm daim ntawv thov fluorescent dyes los yog penetrants rau cov khoom nto. Cov zas xim nkag mus rau hauv txhua qhov teeb meem microscopic, thiab thaum raug 395 nm UV lub teeb, cov xim fluoresces ci ntsa iab, qhia qhov chaw thiab qhov tsis haum. Txoj kev no yog siv dav hauv aerospace, automotive, thiab manufacturing industries los tshuaj xyuas cov khoom tseem ceeb xws li lub cav qhov chaw, welds, thiab cov ntaub ntawv tsim qauv . 395 nm lub teeb yog qhov nyiam ntawm no vim tias nws ntev wavelength txo kev tawg, tso cai rau kev nkag mus rau hauv cov xim zoo dua thiab pom tseeb ntawm qhov tsis xws luag. Nws tseem tsis tshua muaj kev puas tsuaj rau cov ntaub ntawv rhiab dua li luv luv UV wavelengths, ua rau nws tsim nyog rau kev tshuaj xyuas cov khoom me me xws li hluav taws xob circuits lossis optical fibers.
Covkev kho mob thiab tshuaj pleev ib ce industrieskuj siv395nm UV teebrau ntau lub hom phiaj. Hauv kev kho mob dermatology, tswj kev raug UVA lub teeb (xws li 395 nm) yog siv hauv kev kho mob rau cov tawv nqaij xws li psoriasis, eczema, thiab vitiligo. Lub teeb pab ua kom qeeb ntawm kev loj hlob ntawm cov tawv nqaij ntau dhau thiab txo qhov mob, muab kev kho mob rau cov neeg mob . 395 nm UV lub teeb raug xaiv rau qee qhov kev siv tshuaj kho mob vim tias nws tsis tshua muaj peev xwm ua rau tshav ntuj lossis DNA puas piv rau UVB lossis UVC lub teeb, tso cai rau lub sijhawm ntev dua, muaj kev nyab xeeb dua. Nyob rau hauv cov tshuaj pleev ib ce, 395 nm UV teeb yog siv nyob rau hauv cov ntsia thawv salon rau kho gel ntsia thawv polish. Gel polishes muaj cov photoinitiators uas ua rau lub teeb UV, ua kom cov txhuam tawv tawv rau hauv qhov ruaj khov, nti -tiv taus. 395 nm teeb yog nrov nyob rau hauv qhov chaw no vim lawv kho cov polish sai sai (feem ntau hauv 30-60 vib nas this) thiab tsis hnyav ntawm daim tawv nqaij thiab cov rau tes dua li luv luv UV wavelengths.
Lwm daim ntawv thov tseem ceeb ntawm 395 nm UV teeb yog nyob rau hauvkev lom zem thiab cov teebmeem tshwj xeeb. UV- cov ntaub ntawv teb, xws li cov xim fluorescent, dyes, thiab cov ntaub, ci ntsa iab thaum raug 395 nm lub teeb, tsim kom pom kev pom kev zoo hauv concerts, theaters, nightclubs, thiab haunted tsev. Tsis zoo li blacklights uas tawm luv luv UVA wavelengths (nyob ib ncig ntawm 365 nm), 395 nm UV teeb ua rau pom me ntsis violet ci, uas tuaj yeem txhim kho tag nrho ambiance thaum tseem ua kom cov ntaub ntawv fluorescent. Qhov no ua rau lawv muaj kev xaiv nrov rau cov xwm txheej uas xav tau qhov sib npaug ntawm kev pom thiab fluorescence. Tsis tas li ntawd, 395 nm UV lub teeb yog siv rau hauv kev teeb tsa kos duab thiab cov khoom sib tham sib tham, tso cai rau cov neeg ua yeeb yam tsim kom muaj zog, lub teeb -rhiab artworks uas hloov cov tsos nyob rau hauv UV illumination.
Hauvdej thiab cua purification, 395nm UV teebQee zaum siv los ua kev kho mob ntxiv, txawm tias nws tsawg dua li UVC lub teeb, uas muaj txiaj ntsig zoo ntawm kev rhuav tshem cov kab mob. Txawm li cas los xij, 395 nm UV teeb tseem tuaj yeem ua rau qee yam kab mob, kab mob, thiab algae los ntawm kev ua rau lawv cov DNA lossis RNA, tshwj xeeb tshaj yog thaum siv nrog lwm cov kev kho mob xws li pom lossis tshuaj tua kab mob. Nws qhov ntev wavelength tso cai rau nws nkag mus tob rau hauv dej dua li UVC, ua rau nws muaj txiaj ntsig zoo rau kev kho cov ntim loj lossis dej turbid qhov twg UVC lub teeb yuav tawg. Hauv huab cua purification systems, 395 nm UV teeb tuaj yeem pab rhuav tshem cov organic sib txuas (VOCs) thiab cov ntxhiab tsw thaum ua ke nrog cov khoom siv photocatalytic xws li titanium dioxide (TiO₂). Lub teeb qhib lub TiO₂, tsim cov hydroxyl radicals uas oxidize cov pa phem, txhim kho huab cua hauv tsev.
Thaum ua haujlwm nrog 395 nm UV teeb, nws yog ib qho tseem ceeb uas yuav tau xav txog kev ceev faj txog kev nyab xeeb, txawm tias nws qhov kev pheej hmoo tsawg dua piv rau luv luv UV wavelengths. Ntev ntev los yog ncaj qha raug rau 395 nm lub teeb tseem tuaj yeem ua rau qhov muag khaus (photokeratitis) thiab tawv nqaij puas, xws li kev laus ntxov ntxov lossis liab. Cov neeg siv yuav tsum hnav cov looj tsom iav thiab khaub ncaws thaum ua haujlwm 395 nm UV teeb, tshwj xeeb tshaj yog nyob rau hauv kev lag luam lossis chaw kho mob uas lub sij hawm raug ntev dua. Tsis tas li ntawd, qhov cua kom zoo yog qhov tseem ceeb hauv qhov chaw kaw kom tiv thaiv kev tsim cov ozone, uas tuaj yeem tsim tau thaum UV teeb cuam tshuam nrog oxygen molecules.
Hauv kev xaus,395nm UV teebyog cov cuab yeej siv tau ntau yam nrog cov ntawv siv dav hauv ntau qhov kev lag luam, los ntawm kev tsim khoom thiab forensics mus rau kev kho mob thiab horticulture. Nws lub peev xwm tshwj xeeb los ua kom muaj fluorescence, pib cov tshuaj tiv thaiv photochemical, thiab cuam tshuam nrog cov ntaub ntawv hauv kev tswj hwm ua rau nws tseem ceeb hauv cov txheej txheem uas yuav tsum tau ua kom zoo, ua haujlwm zoo, thiab kev nyab xeeb. Raws li thev naus laus zis txuas ntxiv mus, qhov ntau ntawm cov ntawv thov rau 395 nm UV lub teeb yuav nthuav dav, ntxiv qhov tseem ceeb ntawm nws cov nqi raws li ntau yam thiab txhim khu kev qha lub teeb. Txawm hais tias kho cov resins hauv lub Hoobkas, tshawb xyuas cov pov thawj ntawm qhov chaw ua txhaum cai, lossis txhim kho cov qoob loo hauv tsev cog khoom, 395 nm UV teeb ua pov thawj tias yog ib qho tseem ceeb ntawm cov cuab yeej niaj hnub thiab kev tsim kho tshiab.
https://www.benweilight.com/lighting-tube-bulb/uv-led-405nm-365nm-395nm.html
Ua ke, peb ua kom nws zoo dua.
