Ethyl butylacetylaminopropionate, cov khoom siv tshuaj yoov tshaj cum, feem ntau yog siv hauv cov dej tso quav, tshuaj tua yoov tshaj cum thiab tshuaj yoov tshaj cum. Rau tib neeg thiab tsiaj txhu, nws tuaj yeem tshem tau yoov tshaj cum, zuam, yoov, yoov thiab ntshauv. Nws txoj cai tiv thaiv yoov tshaj cum yog tsim kom muaj vapor barrier nyob ib ncig ntawm daim tawv nqaij los ntawm volatilization. Qhov teeb meem no cuam tshuam nrog lub sensor ntawm yoov tshaj cum kav hlau txais xov kom pom cov volatiles ntawm tib neeg lub cev nto, kom tib neeg tuaj yeem zam yoov tshaj cum.
Cov tshuaj yoov tshaj cum dej yog siv dav vim tias nws yooj yim rau nqa, tuaj yeem tua yoov tshaj cum txhua lub sijhawm, muaj ntxhiab tsw ntxhiab, zoo li txias thiab xis nyob, thiab muaj cov txiaj ntsig ntawm kev txo cov pob khaus kub, khaus thiab txo cov cua sov. Txawm li cas los xij, thaum yuav cov tshuaj tua yoov tshaj cum dej, peb yuav tsum tau xyuam xim rau kev nyab xeeb ntawm cov khoom siv tshuaj yoov tshaj cum.
Ntawm cov khoom siv tshuaj yoov tshaj cum, cov khoom siv tshuaj tua yoov tshaj cum yog "Ethyl butylacetaminopropionate" thiab "DEET". DEET tau dav siv los ua tshuaj tua yoov tshaj cum tom qab nws tau siv rau pej xeem siv xyoo 1957. Txawm li cas los xij, cov zej zog kev tshawb fawb muaj ntau qhov tsis ntseeg txog kev nyab xeeb ntawm cov khoom siv tshuaj yoov tshaj cum no. Hauv cov menyuam yaus cov khoom lag luam hauv ntau lub tebchaws, muaj kev txwv ntxiv ntawm DEET. US Food and Drug Administration tau teev tseg tias cov menyuam yaus hnub nyoog qis dua 2 lub hlis yuav tsum tsis txhob siv cov khoom uas muaj DEET; Canada qhia tias cov menyuam yaus hnub nyoog qis dua 6 lub hlis tsis tuaj yeem siv cov khoom muaj DEET.
RauEthyl butylacetaminopropionate, kev tshawb fawb ntawm Lub Koom Haum Ntiaj Teb Kev Noj Qab Haus Huv qhia tau hais tias nws tsis muaj kev phiv rau tib neeg kev noj qab haus huv. Nyob rau tib lub sijhawm, cov ntaub ntawv tshawb fawb ntawm Tebchaws Meskas Ib Cheeb Tsam Ib puag ncig tau taw qhia tias txawm hais tias cov tshuaj tua kab yog cov khoom siv hluavtaws, nws txoj kev nyab xeeb yog sib npaug ntawm cov khoom siv ntuj tsim, thiab nws muaj kev nyab xeeb rau txhua tus neeg, suav nrog cov menyuam mos thiab menyuam yaus, tsis tshua muaj khaus. . Nws yog biodegradable thiab tuaj yeem degraded tag nrho hauv ib puag ncig hauv lub sijhawm luv luv.
Txawm hais tias nws yog tshuaj tua yoov tshaj cum dej los yog lwm yam dej tso quav, nws yuav tsum tau siv kom raug raws li cov khoom siv ceev faj lossis cov lus qhia kho mob rau cov pab pawg tshwj xeeb xws li cov poj niam cev xeeb tub, menyuam mos, cov neeg mob dermatitis lossis tawv nqaij puas. Rau cov menyuam yaus, nws tsis pom zoo kom siv cov neeg laus cov dej tso quav ncaj qha. Nws yuav tsum tau diluted los yog siv rau cov me nyuam.
Hauv kev xaiv cov khoom siv tshuaj yoov tshaj cum, cov neeg siv khoom uas yav dhau los muaj nuj nqis rau cov npe thiab cov tshuaj tsw qab tau them nyiaj ntau dua rau cov ntsiab lus ntsuas tshuaj yoov tshaj cum hauv cov khoom hauv xyoo tas los no. Rau cov xwm txheej siv sib txawv thiab cov neeg sib txawv, cov ntsiab lus ntawm cov tshuaj yoov tshaj cum kuj txawv. Cov ntsiab lus ntawm cov tshuaj yoov tshaj cum haum rau cov menyuam yaus yog 0.31%, thaum cov khoom siv rau cov neeg laus yog 1.35%.
Post lub sij hawm: Dec-30-2022