GKSE: "Tsis-freezers" tuaj yeem ua cov xim ci kom zais lub drawback ntawm cov khoom

Anonim
GKSE:

Tom qab cov xim kaj lug ntawm "tsis khov", cov chaw tsim tshuaj tuaj yeem nkaum lawv cov khoom sab, saib Xeev Pawg Neeg Shippers. Tsis yog ib txwm nyob ntawm cov rhawv ntawm cov teeb meem yog nthuav tawm benign import. Nyob rau hauv parallel, tus kws tshaj lij hauv xeev saib xyuas thiab tshem cov khoom lus cuav los ntawm cov neeg ua lag luam, los ntawm cov neeg twg thiab cov txheej txheem yuav raug kev txom nyem. Hauv GKs, qhia dab tsi kom them sai sai rau thaum yuav khoom.

"Dyes tau ntxiv rau cov khoom, feem ntau yog cov xim ntsuab-xiav," lub chaw haujlwm ntawm Lub Tsev Haujlwm Kev Tshaj Lij Tshaj Lij Tshaj Lij hauv cheeb tsam Gomel. - Yog tias lawv tseem ci heev thiab saturated, nws txhais tau tias cov chaw tsim khoom nrhiav zais ib yam dab tsi: ib nag lossis lwm yam ntawm cov khoom. Txhawm rau nruab nrab ntawm cov ntxhiab tsw ntxhiab tsw ntawm cov cawv siv cov tshuaj tsw qab. Lawv tuaj yeem ua tau floral thiab li ntawd. "

"Tag nrho cov cawv sib txawv yuav suav nrog cawv sib txawv: isopropyl, ethyl lossis methyl lossis dej, tau piav qhia Krivchuk. - Cov tshuaj lom neeg superficm (ntsaws ruaj ruaj) tau ntxiv, uas tau raug tshem tawm zoo los ntawm tsom iav - Roj yeeb yaj kiab thiab lwm cov raids. Tej zaum nws kuj tseem tuaj yeem ua kom ethylene glycol, uas tsis muab cov iav kua dej kom tig mus rau hauv dej khov, thaum tswj cov fluidity. "

Kev siv cov cawv ethyl nce nqi ntawm cov khoom lag luam, yog li ntawd, cov neeg ua yeeb yam ntxiv me me Methanol nrog cov tshuaj lom neeg uas yog cov tshuaj lom. Raws li cov kws tshaj lij, nws tuaj yeem ua tsis tau pa: "Evaporations tuaj yeem nkag mus rau hauv lub khw muag khoom los ntawm kev ua pa. Thaum nqus tau, nws tuaj yeem ua rau xeev siab, tsaug zog thiab voos ntawm lub qhov muag. Kev nkag siab zoo tshaj plaws ntawm cov vapors no mus hauv lub tsheb thaum nws sawv nrog lub cav, piv txwv li, hauv tsheb. Txij ntawm no, nws yog qhov zoo dua rau kev siv lub hnab khob iav. Txhawm rau rov qab thaum siv cov kua dej, nws yog qhov zoo dua los suav nrog huab cua sab hauv hauv tsheb uas tiv thaiv cov laj kab ntawm huab cua los ntawm txoj kev. Nov yog ib txoj hauv kev ntxiv kom muaj kev ruaj ntseg txawm tias cov tshuaj minimal ntawm cov tshuaj hauv lub tsev.

Methanol tuaj yeem cuam tshuam iav, taws teeb, xim av thiab roj hmab ntsaws ruaj ruaj. Nrog lub sijhawm ntev lawm, nws tuaj yeem yaug txoj kev tiv thaiv sab nraud, tsim microcracks qhov kev ua qias tuaj, yuav txhaws. Tsis tas li ntawd, Dyes tuaj yeem tawm ntawm cov phab ntsa ntawm cov qauv tsim rau lub tshuab ntxhua khaub ncaws, thiab tom qab ntawd cov leeg pub mis thiab cov nozzles tuaj yeem txhaws. Tom qab, nws yuav tsim nyog los tso cov dej ntws. Lwm lub sijhawm tseem ceeb: qhov seem uas yog "tsis khov" lub raj mis yuav tsum raug tshem tawm ntawm lub tsev nplooj ntoo, khaws cia hauv chav nres tsheb. Thaum nchuav hauv tsheb, khub tuaj yeem ua tau.

"Qee zaum, tom qab ntawd, ib tug neeg pom nws tus kheej hauv tsev kho mob, thiab ib tug neeg tuag tom qab tshuaj tsuag surrogates," tus neeg ua haujlwm ntawm Xeev Pawg Neeg kos tau mloog. - Peb pib tshawb xyuas cov tshuaj lom tau. Xws li tsis muaj qhov tsis khov, cawv me me no yog cov tshuaj lom tau zoo. Nws yog dav siv hauv kev lag luam thiab tuaj yeem tshwm sim hauv daim ntawv ntawm ntau yam kua dej. Nyob rau tib lub sijhawm, los ntawm kev hnov ​​tsw thiab lwm yam khoom zoo li ursyles ethylces ursyl. Raws li txoj cai, tsis muaj cov lus tsis muaj cawv uas muaj cawv tom qab noj mov. Tab sis ntawm lub siab ntawm methyl cawv, kev lom zem heev tuaj yeem muaj kev lom zem heev - loj cov ntaub ntawv tshuaj lom. Hauv qee kis, ib tus neeg yuav tsis pom, thiab qee zaum lub neej. Hauv kev xyaum ntawm cov kws tshaj lij muaj kev lom ntawm cov kua tsheb ua kua, cov tshuaj tiv thaiv, muaj lwm yam cuam tshuam nrog cov dej cawv surrogates. "

Cov kua dej zoo siv rau kev teem sijhawm tsis muaj qhov tsis zoo rau kev noj qab haus huv. Cov Council los ntawm cov kws tshaj lij yog ua tib zoo kawm cov ntawv lo, them sai sai rau tus barcode thiab ntawm cov qauv, tsis ntseeg cov khoom pheej yig.

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