Kev noj qab haus huv, Npaj
Methylene xiav raws li kev kho universal
Methylene xiav twb xub pom nyob rau hauv lub xyoo pua puv 19. Cov iav tsaus ntuj ntsuab me me uas muaj qhov sib txawv ntawm cov tooj liab tsuas yog siv rau hauv kev lag luam luam xwb. Nrog kev pab ntawm cov hmoov ntsuab, koj tuaj yeem muab cov nplaum nplaum rau ntawm daim ntawv. Nws yog nthuav, heev tshiab thiab yam thaum lub sij hawm. Tab sis xyoo tau dhau los, thiab cov kws tshawb fawb tau pom cov ntawv tshiab rau ib yam khoom txawv txawv.
Tab sis cov ntawm cov tshuaj no tsis txwv. Ntxiv rau kev kho cov teeb meem ntawm daim tawv nqaij, nws tuaj yeem ua kom tsis muaj teeb meem ntawm cov tshuaj lom neeg. Nws yog siv rau tshuaj lom nrog nitrates, carbon monoxide, hydrogen sulfide thiab ntau yam cyanides. Tus neeg sawv cev no tuaj yeem cuam tshuam cov tshuaj lom, uas muaj cov derivatives ntawm cov tshuaj no.
Hauv kev siv tshuaj, methylene xiav ntau zaus: siv tshuaj pleev rau qhov ncauj, thiab 1% ntawm cov hmoov cawv cawv rau cov tshuaj kho mob. Tsis zoo li cov pleev duab lawv tus kheej, nws muaj xim xaj xim.
Thov tus neeg sawv cev nrog lub paj rwb, maj mam tuav qhov xub thawj ntawm cov cheeb tsam, thiab tom qab ntawd qhov uas nyob ib sab ntawm daim tawv nqaij. Tom qab siv, lub tshuaj yog nyuaj rau ntxuav tawm ntawm saum npoo ntawm daim tawv nqaij. Txhua yam uas tau los rau hauv kev sib cuag nrog nws ua xiav. Yog nws tsis txawv. Tom qab tag nrho, tsuas mob cov neeg siv cov tshuaj, thiab thaum lub sij hawm muaj mob ib tug neeg tsis xav txog qhov tsos. Tag nrho nws cov kev xav thiab kev ntshaw yog txuas nrog tsuas yog rov qab los. Rau kev siv cov tshuaj "Methylene xiav" cov lus qhia yog muab los ntawm tus kws kho mob. Nws yuav tsum qhia meej meej kom thiaj li zam tau qhov yuav tshwm sim tsis zoo.
Ntxiv nrog rau cov hom phiaj ntawm cov tshuaj, cov tshuaj methylene xiav yog siv rau kev pom tseeb hauv kev kuaj mob ntawm qee cov kab mob. Tom qab thov hauv, nws stains cov zis hauv xiav. Qhov no ua rau nws txav tau lub zog ntawm lub cev thiab ua kom tiav zoo li cas lub raum ua tau lub luag haujlwm rau lawv.
Cov no tsuas yog cov muaj peev xwm thiab cov cheeb tsam ntawm daim ntawv thov ntawm methylene xiav, uas peb paub. Tab sis science tsis sawv ntsug. Tej zaum, yav tom ntej cov kws tshawb fawb yuav nrhiav tau ib co tshiab ntawm cov khoom siv tshuaj yeeb dej caw no.
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