Video: Cov lej ntawm cov yas hu ua dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Muaj feem yuav koj tau pom cov zauv hauv qab yas cov khoom nyob ib puag ncig los ntawm 3 xub uas tsim ib daim duab peb sab. Cov yas naj npawb ntau yam ntawm 1 mus rau 7 thiab yog hu ua Resin Identification Code. Txhua tus lej qhia seb hom resin lub yas cov khoom yog ua los ntawm.
Tsis tas li ntawd, cov lej ntawm cov yas txhais li cas?
Hauv qab ntawm feem ntau yas ntim koj tuaj yeem pom me me tus lej nyob rau hauv lub peb xub daim duab peb sab recycling cim. Qhov no tus lej yog ib qho kev siv rau hom twg yas lub thawv yog ua los ntawm. Txhua yas yog tsim los ntawm ib tug txawv molecule los yog txheej ntawm molecules.
7 hom yas yog dab tsi? Ua kom tiav, muaj 7 hom yas muaj nyob rau hauv peb niaj hnub nim no:
- 1 - Polyethylene Terephthalate (PET lossis PETE lossis Polyester)
- 2 - High-density Polyethylene (HDPE)
- 3 - Polyvinyl Chloride (PVC)
- 4 - Tsawg-Density Polyethylene (LDPE)
- 5 - Polypropylene (PP)
- 6-Polystyrene (PS)
- 7 – Lwm yam.
Yog li ntawd, cov lej yas twg muaj kev nyab xeeb?
Los xaus, yas Hauv qeb # 2, # 4 thiab # 5 feem ntau suav hais tias yog nyab xeeb . Tsis txhob nkees ntawm muab lawv tso rau hauv lub microwave, txawm tias lawv tau sau tias microwave- nyab xeeb ”. Cov yas # 1, # 3, # 6 thiab # 7 yuav tsum tau siv nrog sib txawv kom ceev faj, tshwj xeeb tshaj yog nyob ib ncig ntawm zaub mov lossis dej haus.
Dab tsi yog PE yas?
Table ntawm resin codes
| Recycling tooj | Cov ntawv luv | Polymer npe |
|---|---|---|
| 2 | HDPE los yog PE-HD | High-density polyethylene |
| 3 | PVC los yog V | Polyvinyl tshuaj dawb |
| 4 | LDPE los yog PE-LD | Low-density polyethylene, Linear low-density polyethylene |
| 5 | PP | Polypropylene |
Pom zoo:
Puas yog tus lej lej tib yam li tus lej VIN ntawm lub tsev txawb?
1) Muaj ib daim ntawv nplaum nyob rau sab hauv ntawm txhua lub tsev txawb tsim txij thaum Lub Rau Hli 1976, hu ua "cov ntaub ntawv phaj," uas teev tus lej VIN (tseem hu ua tus lej xov tooj), nrog rau lwm qhov tseeb txog kev tsim lub tsev. . Lub VIN yuav raug hu ua tus neeg tsim khoom tus naj npawb ntawm cov ntaub ntawv phaj
Koj puas tuaj yeem siv cov yas yas txuas rau ntawm cov yeeb nkab tooj liab?
Kev sib txuas rau kev sib haum haum Muaj ntau, tab sis tsis yog txhua qhov, cov khoom siv sib dhos haum rau siv nrog cov yas yas thiab cov yeeb nkab. Kev sib txuas yuav tsum tsis xav tau ntau dua 2 qhov puv tom qab cov txiv ntseej tau tuav cov yeeb nkab. Cov txiv ntseej tooj liab yog qhov zoo tshaj rau cov txiv ntseej tooj dag
Cov kav dej yas yas yog dab tsi?
Yas: Cov yeeb nkab yas los ua ABS (acrylonitrile-butadiene-styrene) lossis PVC (polyvinyl-chloride). Feem ntau cov tsev txij li thaum nruab nrab xyoo 1970 muaj cov kav dej yas thiab fittings vim nws pheej yig thiab siv tau yooj yim
Cov ntaub ntawv twg yog muab los ntawm tus lej ntawm tus lej Z?
Cov ntaub ntawv dab tsi yog muab los ntawm tus lej tus nqi ntawm z-score? Daim paib qhia koj seb qhov qhab nia (X) yog saum toj (+) lossis hauv qab (-) qhov txhais tau li cas. Tus lej tus nqi ntawm z-tus qhab nia qhia koj nyob deb npaum li cas (hauv cov qauv sib txawv) cov qhab nia yog los ntawm qhov nruab nrab
Dab tsi yog cov lej ntawm tag nrho cov xwm txheej ntawm 25?
Vim li cas 31 qhov suav tag nrho ntawm 25, suav nrog 25? Cov yam ntxwv ntawm tus lej 25 yog: 1, 5, 25. Yog tias koj ntxiv lawv, koj yuav tau txais tag nrho ntawm 31