Kassouf hais. Thiab nws yog nyab xeeb. Lub Chaw Haujlwm Saib Xyuas Kev Tiv Thaiv Ib puag ncig Asmeskas tau pom zoo DEET siv rau cov neeg ntawm txhua lub hnub nyoog, suav nrog menyuam yaus. Qee tus neeg muaj pob khaus lossis khaus tawv nqaij tom qab siv DEET, thiab nws tuaj yeem ua rau khaus qhov muag yog tias koj tsuag nws ze dhau.
Puas yog nws zoo dua kom muaj DEET hauv kab tsuag?
DEET yog tsim los ntawm US Army xyoo 1946 thiab pom zoo rau pej xeem siv xyoo 1957, yog li nws tau nyob ib ntus. … Txawm hais tias muaj kev sib cav, cov kws tshaj lij feem ntau peb tau sab laj pom zoo tias DEET yog cov khoom muaj txiaj ntsig zoo tshaj plaws los saib xyuas cov tshuaj tua kab.
Dab tsi yog qhov tsis zoo ntawm kev siv DEET?
Muaj cov lus ceeb toom tsis txaus ntseeg nyob rau ntau xyoo dhau los ntawm kev sib koom ua ke ntawm kev siv tshuaj tua kab mob ntau dhau uas muaj DEET thiab cov teebmeem tsis zoo. Cov teebmeem no suav nrog qaug dab peg, tsis sib haum xeeb, kev ntxhov siab, kev coj cwj pwm nruj, ntshav siab, thiab tawv nqaij khaus
Yuav tsum DEET ntau npaum li cas hauv cov tshuaj tsuag?
Xaiv cov tshuaj tiv thaiv nrog tsis ntau tshaj 10% mus rau 30% concentration ntawmDEET (saib N, N-diethyl-m-toluamide ntawm daim ntawv lo). Siv cov concentration qis dua yog tias cov menyuam yaus nyob sab nraud tsuas yog ib teev lossis ob teev. Yog tias lawv nyob sab nraud ntev dua, xav txog kev siv tshuaj tiv thaiv nrog ntau dua ntawm DEET.
Vim li cas DEET banned?
DEET-txog cov teeb meem kev noj qab haus huv suav nrog pob tawv nqaij thiab caws pliav hauv cov neeg laus thiab, qee qhov xwm txheej, ceeb toom txog teeb meem paj hlwb hauv menyuam yaus. Kev txwv yuav cuam tshuam cov khoom uas muaj ntau dua 30 feem pua DEET. New York yog thawj lub xeev tau tshaj tawm txoj cai txwv no.
