Cov Ntsiab Cai thiab Cov Khoom Siv Ntawm Mosquito Coils

Txoj Cai

Cov khoom siv hluav taws xob tua yoov tshaj cum ua haujlwm los ntawm kev nqus tshuaj tua kab (pyrethrum) rau hauv daim ntawv disc, uas tom qab ntawd evaporated los ntawm tshav kub. Cov nyhuv feem ntau kav li 6-8 teev. Ib qho tsis zoo yog tias thaum cov nyhuv thawj zaug muaj zog, muaj peev xwm tshaj li qhov pom zoo, cov tshuaj tua kab evaporates tom qab 4-5 teev, txo cov txiaj ntsig thiab tshuaj yoov tshaj cum.

Cov kua hluav taws xob yoov tshaj cum siv cov tshuaj tua kab mob capillary, tsis tu ncua cua sov thiab tso tshuaj tua kab, kov yeej qhov tsis zoo ntawm cov tshuaj tua kab mob. Cov tshuaj tua kab mob tuaj yeem siv tsis tu ncua rau lub sijhawm ntev, kwv yees li 60 hnub, thiab tuaj yeem siv sijhawm rau kev tso tawm.

Cov yoov tshaj cum, ntawm qhov tod tes, siv qhov kub ntawm - kub combustion maj mam tso tshuaj tua kab rau saum huab cua, muab cov yoov tshaj cum ntau dua - tawm tsam ntau dua li kev tua kab.

Cov khoom xyaw

Cov yoov tshaj cum muaj organophosphates (trichlorfon/chlorpyrifos/chlorpyrifos), carbamates (propoxur/methoxyfenozide), thiab pyrethroids (cypermethrin/cypermethrin/propargyl/allethrin/ES bio-pyrethroids). Organophosphates yog cov tshuaj lom tshaj plaws, thaum pyrethroids yog cov tshuaj lom tsawg tshaj plaws, suav tias yog tshuaj lom me ntsis.

Cov cab kuj ntawm yoov tshaj cum yog carbon hmoov, sawdust, thiab lwm yam, thaum cov cab hluav taws xob yoov tshaj cum yog hydrocarbons.

Cov yoov tshaj cum tsim muaj kuab paug ntau dua thiab cov pa luam yeeb, ua rau lawv tsim nyog rau kev siv sab nraum zoov, xws li ntawm balconies. Cov ntsiav tshuaj- hom thiab kua hluav taws xob tshuaj yoov tshaj cum ua kom muaj kuab paug tsawg thiab tsim nyog rau kev siv sab hauv tsev.