Cov huab cua kub zuj zus tuaj, thiab lub sijhawm no, yoov tshaj cum kuj nce ntxiv.Raws li paub zoo, lub caij ntuj sov yog lub caij kub thiab tseem yog lub caij nyoog rau yoov tshaj cum.Nyob rau hauv huab cua kub tsis tu ncua, ntau tus neeg xaiv qhib cua txias hauv tsev kom zam tau, tab sis lawv tsis tuaj yeem khaws cia nrog lawv txhua hnub, tshwj xeeb tshaj yog cov menyuam yaus uas tsis tuaj yeem nyob hauv tsev.Lub sijhawm no, cov neeg feem coob yuav xaiv coj lawv cov menyuam mus rau tom hav zoov thaum yav tsaus ntuj, qhov chaw uas muaj kev ntxoov ntxoo thiab cov dej me me ua si thiab txias.Qhov teeb meem yog tias lub sijhawm no kuj yog thaum yoov tshaj cum thiab kab sau npe.Yog li, peb tuaj yeem tiv thaiv thiab tswj cov yoov tshaj cum thaum lub caij ntuj sov?Nov yog qee cov lus qhia rau kev tiv thaiv yoov tshaj cum.
Ua ntej, peb yuav tsum nkag siab txog qhov chaw yug me nyuam ntawm yoov tshaj cum Nco ntsoov tias cov dej stagnant tsim yoov tshaj cum, thiab lawv txoj kev loj hlob nyob ntawm dej.Cov yoov tshaj cum muaj peev xwm nteg qe thiab loj hlob hauv cov dej tsis tu ncua, yog li peb yuav tsum tsis txhob muaj kev nyuaj siab nrog cov dej nyob sab nraud;Kuj tseem muaj qhov dej los nag, qhov dej phwj tuaj, kev sib txuas lus, roj av, thiab lwm cov kav dej hauv nroog ntawm txoj kev ntawm cov kwj dej hauv zej zog hauv qab lub tsev nyob, nrog rau cov dej ntim hauv av;Thiab thaj chaw xws li ru tsev awnings.
Qhov thib ob, peb yuav tsum tua yoov tshaj cum li cas?
Thaum peb txias sab nraum zoov thaum yav tsaus ntuj, peb yuav tsum hnav cov khaub ncaws xim daj.Cov yoov tshaj cum nyiam cov khaub ncaws xim tsaus, tshwj xeeb tshaj yog cov xim dub, yog li sim hnav ib co khaub ncaws xim xim rau lub caij ntuj sov;yoov tshaj cum tsis nyiam pungent tsw, thiab ziab txiv kab ntxwv tev thiab willow tev ntawm lawv lub cev kuj tuaj yeem ua rau yoov tshaj cum;Sim hnav cov ris tsho thiab cov kaus mom sab nraud kom txo tau cov tawv nqaij.Txawm li cas los xij, yog tias koj hnav ntau dua, nws yuav kub heev, thiab txawm tias heatstroke tuaj yeem tshwm sim.Yog li lwm txoj hauv kev yog tshuaj tsuag cov tshuaj yoov tshaj cum, tshuaj yoov tshaj cum, tshuaj yoov tshaj cum, thiab lwm yam ua ntej yuav tawm mus.Qhov no tsis tsuas yog tso cai rau koj hnav khaub ncaws koj nyiam, tab sis kuj tiv thaiv koj los ntawm yoov tshaj cum.
Txawm li cas los xij, dab tsi uas tib neeg xav tsis thoob txog yog yuav ua li cas peb yuav tsum xaiv cov khoom siv tshuaj yoov tshaj cum, cov khoom xyaw twg tsis muaj teeb meem rau tib neeg lub cev, thiab qhov twg tuaj yeem siv los ntawm cov menyuam yaus?Tam sim no, cov khoom siv tshuaj tua yoov tshaj cum muaj txiaj ntsig tau tshawb fawb tau suav nrog DEET thiab ethyl butylacetylaminopropionate (TIAB SA 3535).
Txij li xyoo 1940,DEETtau raug suav hais tias yog ib qho tshuaj tua yoov tshaj cum, tab sis lub hauv paus ntsiab lus tom qab nws tsis meej.Txog thaum ib txoj kev tshawb nrhiav pom qhov zais cia ntawm DEET thiab yoov tshaj cum.DEET tuaj yeem tiv thaiv yoov tshaj cum tom neeg.DEET tsis yog qhov tsis hnov tsw, tab sis thaum siv rau ntawm daim tawv nqaij, yoov tshaj cum yuav tsis tuaj yeem tiv taus cov ntxhiab thiab ya mus.Nyob rau lub sijhawm no, txhua tus yuav xav paub tias tshuaj yoov tshaj cum puas tsim kev puas tsuaj rau tib neeg lub cev?
N, N-Diethyl-m-toluamidemuaj me ntsis toxicity, thiab ib tug tsim nyog tus nqi ntawm cov khoom xyaw yuav tsis ua mob.Nws muaj kev cuam tshuam me ntsis rau cov neeg laus.Rau cov menyuam mos, nws raug pom zoo kom tsis txhob siv rau cov menyuam yaus hnub nyoog qis dua 6 lub hlis, tsis pub ntau tshaj ib hnub rau cov hnub nyoog qis dua 2 xyoos, thiab tsis pub ntau tshaj peb zaug hauv ib hnub rau cov hnub nyoog 2 txog 12 xyoos.Qhov siab tshaj plaws ntawm DEET siv los ntawm cov menyuam yaus hnub nyoog qis dua 12 xyoos yog 10%.Cov menyuam yaus hnub nyoog qis dua 12 xyoos yuav tsum tsis txhob siv DEET txuas ntxiv rau ntau tshaj ib hlis.Yog li ntawd rau cov menyuam mos, cov khoom siv tshuaj yoov tshaj cum siv tau tuaj yeem hloov nrog ethyl butylacetylaminopropionate.Meanwhile, N, N-Diethyl-m-toluamide nyhuv ntawm yoov tshaj cum amine yog zoo dua li cov tshuaj yoov tshaj cum ester.
Ethyl butylacetylaminoproponateyog cov khoom tseem ceeb ntawm cov tshuaj yoov tshaj cum tshwj xeeb tsim rau cov menyuam yaus.Piv nrog rau DEET, Ethyl butylacetylaminoproponate yog qhov tsis muaj tshuaj lom, muaj kev nyab xeeb dua, thiab dav-spectrum tshuaj tua kab.Ethyl butylacetylaminopropionate kuj tseem siv hauv Florida Dej thiab lwm yam khoom.Ethyl butylacetylaminopropionate tsis yog tsuas yog haum rau cov neeg laus, tab sis kuj rau cov me nyuam mos.Yog li, nws raug pom zoo tias thaum xaiv cov khoom siv tshuaj yoov tshaj cum rau cov menyuam mos, nws raug nquahu kom xaiv cov khoom xyaw uas muaj ethyl butylacetylaminopropionate.
Txhua tus neeg uas tau yoov tshaj cum yuav tsum tau ntsib ua ntej, thiab nws yog qhov tsis xis nyob tiag tiag rau lub ntsej muag liab thiab o, tshwj xeeb tshaj yog nyob rau sab qab teb.Thaum lub caij ntuj sov tuaj txog, thaj av yav qab teb raug cuam tshuam los ntawm kev nyab xeeb, nrog cov nag tsis tu ncua thiab gullies qhov twg yoov tshaj cum yuav ntau dua.Yog li ntawd, cov phooj ywg nyob rau yav qab teb cheeb tsam xav tau cov tshuaj tua kab mob ntau dua.Yog tias koj muaj lwm yam lus nug txogethyl butylacetylaminopropionate, thov koj xav tiv tauj peb thiab peb yuav zoo siab los pab koj!
Post lub sij hawm: Jun-12-2023