Cov txheej txheem:
- Puas phthalate dawb tshuaj tsw qab muaj kev nyab xeeb?
- Cov roj tsw qab puas muaj phthalates?
- Lub hom phiaj ntawm phthalates yog dab tsi?
- Vim li cas thiaj siv cov tshuaj Diethyl phthalate hauv cov tshuaj tsw qab?
Video: Vim li cas phthalates siv hauv cov tshuaj tsw qab?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Phthalates siv hauv cov roj tsw qab, lub npe hu ua DEP (Diethyl Phthalate), yog cov kuab tshuaj siv los txuas lub zog ntawm cov tswm ciab tswm ciab roj DEP tau pom tias tsis yog- tshuaj lom nyob rau hauv daim tawv nqaij cov khoom thiab tswm ciab yog siv nyob rau hauv kev nyab xeeb theem (IFRA – Background Paper – Phthalates – zaum kawg 12.2007).
Puas phthalate dawb tshuaj tsw qab muaj kev nyab xeeb?
Txawm tias cov tshuaj tsw qab phthalate tsis yog los ntawm ntuj, lawv suav tias muaj kev nyab xeeb rau koj cov tawv nqaij thiab lub cev.
Cov roj tsw qab puas muaj phthalates?
Tshuaj pom muaj nyob hauv txiv neej ua fragrances suav nrog phthalates, uas yog endocrine cuam tshuam, thiab benzene derivatives, aldehydes, thiab toluene, uas paub txog carcinogens. Qee cov tshuaj tsw qab yog cov tshuaj neurotoxicants thiab lwm tus yog txuas nrog kev yug me nyuam.
Lub hom phiaj ntawm phthalates yog dab tsi?
Phthalates yog ib pawg tshuaj siv los ua cov yas zoo duaLawv feem ntau hu ua plasticizers. Qee cov phthalates yog siv los pab yaj lwm cov ntaub ntawv. Phthalates muaj nyob rau ntau pua cov khoom, xws li cov yas pem teb, cov roj lubricating, thiab cov khoom tu tus kheej (soaps, tsuaj zawv plaub hau, tshuaj tsuag plaub hau).
Vim li cas thiaj siv cov tshuaj Diethyl phthalate hauv cov tshuaj tsw qab?
Nqa tsis muaj ntxhiab tsw txhua, diethyl phthalate yog siv hauv fragrances los muab tag nrho cov khoom xyaw ua ke. Cov neeg tsim tshuaj tsw qab ua cov khoom xyaw no hauv chav kuaj siv ntau txoj hauv kev. Nws tuaj yeem muab tau los ntawm phthalic acid, uas tuaj yeem tshwm sim hauv lily ntawm hav roj.
Pom zoo:
Vim li cas kuv cov menyuam ua pa tsw tsw qab?
Yog tias koj tus menyuam kawm ntawv preschool lossis menyuam yaus ua tsis taus pa tsw zoo li quav quav, tuaj yeem muaj cov laj thawj kho mob xws li kab mob plab hnyuv, ntshav qab zib, lossis kab mob sinus. Cov ntxhiab tsw kuj tuaj yeem txuas rau kev tu hniav tsis zoo lossis kab mob ntawm qhov ncauj .
Vim li cas kuv hws tsw tsw tsw tsw?
Thaum tib neeg tawm hws, cov kua tuaj yeem sib xyaw nrog cov kab mob ntawm daim tawv nqaij thiab ua rau muaj ntxhiab tsw tsw. Txoj hauv kev zoo tshaj los zam qhov no yog ua kom thaj chaw cuam tshuam kom huv si thiab qhuav. Qee lub sij hawm, kev hloov ntawm tsw yuav tshwm sim los ntawm qhov teeb meem kev noj qab haus huv .
Yuav ua li cas kom tsw qab tsw qab?
Kev qhia Melt 1 lb. ntawm soy wax nyob rau hauv lub pitcher tshaj ib ob-boiler teeb nrog lub saucepan. … Thaum cov wax melted ntawm 185 F, ntxiv 1 oz. … Raws li cov quav ciab txias, tso cov wicks hauv 8 oz. … Thaum cov quav ciab tau txias rau 135 F, ua tib zoo ncuav rau hauv cov thawv npaj.
Vim li cas cov tshuaj tsw qab muab cov nplaim taws kub hnyiab?
Due mus rau siab concentration ntawm carbon ntau cov pa roj carbon unburnt tshuavua rau me me hauv nplaim hluav taws hu ua soot. Cov tshuaj tsw qab muaj cov ntsiab lus carbon ntau dua piv rau alkene. Yog li ntawd, thaum cov tshuaj tsw qab raug hlawv, lawv muab cov nplaim taws ntau dua li alkenes .
Cetacean tshuaj dab tsi tau siv rau hauv cov tshuaj tsw qab?
ambergris , ib qho khoom siv quav ciab los hauv txoj hnyuv ntawm cov phev whale (Physeter catodon). Nyob rau sab hnub tuaj kab lis kev cai ambergris yog siv rau tshuaj thiab potions thiab ua txuj lom; Nyob rau sab hnub poob nws tau siv los tswj cov ntxhiab tsw ntawm cov tshuaj tsw qab zoo .
