Ethyl butylacetylaminopropionate, yog ib yam khoom xyaw uas tua yoov tshaj cum, feem ntau siv rau hauv dej hauv chav dej, kua tua yoov tshaj cum thiab tshuaj tsuag tua yoov tshaj cum. Rau tib neeg thiab tsiaj txhu, nws tuaj yeem tsav yoov tshaj cum, kab laum, yoov, ntshauv thiab ntshauv kom deb. Nws lub hauv paus ntsiab lus ntawm kev tua yoov tshaj cum yog los tsim ib lub vapor barrier nyob ib ncig ntawm daim tawv nqaij los ntawm kev ua kom noo noo. Lub barrier no cuam tshuam nrog lub sensor ntawm cov yoov tshaj cum antennae kom ntes tau cov volatile ntawm tib neeg lub cev nto, yog li ntawd tib neeg thiaj li zam tau yoov tshaj cum tom.
Cov dej tso quav uas siv los tua yoov tshaj cum yog siv dav vim nws yooj yim nqa, tuaj yeem tua yoov tshaj cum txhua lub sijhawm, muaj ntxhiab tsw qab, txias thiab xis nyob, thiab muaj cov txiaj ntsig ntawm kev txo cov pob khaus kub, khaus thiab txo qhov kub. Txawm li cas los xij, thaum yuav cov dej tso quav uas siv los tua yoov tshaj cum, peb yuav tsum tau ua tib zoo saib xyuas kev nyab xeeb ntawm cov khoom xyaw tua yoov tshaj cum.
Ntawm cov khoom siv tua yoov tshaj cum, cov khoom xyaw tua yoov tshaj cum uas siv ntau tshaj plaws yog "Ethyl butylacetaminopropionate" thiab "DEET". DEET tau siv dav ua tshuaj tua yoov tshaj cum tom qab nws tau siv rau pej xeem siv hauv xyoo 1957. Txawm li cas los xij, lub zej zog kev tshawb fawb muaj kev tsis ntseeg ntau ntxiv txog kev nyab xeeb ntawm cov khoom xyaw tua yoov tshaj cum no. Hauv cov khoom siv rau menyuam yaus hauv ntau lub tebchaws, muaj kev txwv rau kev ntxiv DEET. Lub Chaw Haujlwm Saib Xyuas Khoom Noj thiab Tshuaj hauv Tebchaws Meskas tau hais tias cov menyuam yaus hnub nyoog qis dua 2 lub hlis yuav tsum tsis txhob siv cov khoom uas muaj DEET; Canada tau hais tias cov menyuam yaus hnub nyoog qis dua 6 lub hlis tsis tuaj yeem siv cov khoom uas muaj DEET.
RauEthyl butylacetaminopropionate, kev tshawb fawb ntawm Lub Koom Haum Kev Noj Qab Haus Huv Ntiaj Teb qhia tau tias nws tsis muaj kev phiv rau tib neeg kev noj qab haus huv. Tib lub sijhawm, daim ntawv tshawb fawb ntawm Tebchaws Meskas Lub Chaw Haujlwm Saib Xyuas Ib Puag Ncig tau taw qhia tias txawm hais tias cov tshuaj tua kab yog cov khoom siv hluavtaws, nws qhov kev nyab xeeb yog sib npaug rau cov khoom ntuj, thiab nws muaj kev nyab xeeb rau txhua tus neeg, suav nrog cov menyuam mos thiab cov menyuam yaus, nrog rau kev khaus tsawg dua. Nws yog biodegradable thiab tuaj yeem lwj tag nrho hauv ib puag ncig hauv lub sijhawm luv luv.
Txawm yog dej hauv chav dej uas tua yoov tshaj cum lossis lwm yam dej hauv chav dej uas zoo, yuav tsum siv kom raug raws li cov lus ceeb toom ntawm cov khoom lossis cov lus qhia kho mob rau cov pab pawg tshwj xeeb xws li cov poj niam cev xeeb tub, cov menyuam mos, cov neeg uas muaj mob dermatitis lossis daim tawv nqaij puas. Rau cov menyuam yaus, tsis pom zoo kom siv cov dej hauv chav dej rau cov neeg laus ncaj qha. Nws yuav tsum tau diluted lossis siv rau cov menyuam yaus.
Thaum xaiv cov khoom siv tua yoov tshaj cum, cov neeg siv khoom uas yav dhau los nyiam cov hom thiab cov tshuaj tsw qab tau them sai dua rau cov ntsiab lus ntawm cov tshuaj tua yoov tshaj cum hauv cov khoom lag luam hauv xyoo tas los no. Rau ntau qhov xwm txheej siv thiab ntau tus neeg, cov ntsiab lus ntawm cov tshuaj tua yoov tshaj cum kuj txawv. Cov ntsiab lus ntawm cov tshuaj tua yoov tshaj cum uas haum rau menyuam yaus yog 0.31%, thaum cov khoom laus yog 1.35%.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-30-2022