Koj tuaj yeem qhia tau li cas yog tias cov yas yog nylon?

Video: Koj tuaj yeem qhia tau li cas yog tias cov yas yog nylon?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Txoj kev yooj yim tshaj plaws qhia yog tias a yas yog Nylon yog mus nrhiav ib daim ntawv los yog stamp lossis embossing tias qhia koj yam khoom siv. Nylon poob rau hauv cov khoom siv rov ua dua tshiab ntawm "lwm yam", code 7, tab sis qee qhov chaw tsim khoom yuav muab lub npe ntawm cov khoom siv rau ntawm qhov chaw. Yog tias tsis ua haujlwm, koj tuaj yeem sim qhov "hlawv" kev sim.

Hauv qhov no, koj tuaj yeem qhia tau li cas yog cov khoom siv yas?

Polyethylene (PE) - Drips, tsw zoo li tswm ciab.
Polypropylene (PP) - Drips, tsw ntxhiab feem ntau ntawm cov roj cav qias neeg thiab undertones ntawm tswm ciab.
Polymethylmethacrylate (PMMA, "Perspex") - npuas, crackles, qab zib aromatic tsw.
Polyvinylchloride (PVC-U, Unplasticised) - Nws tus kheej tua hluav taws.

Tsis tas li ntawd, puas muaj cov yas hauv nylon? Nylon yog ib polymer- ib yas nrog super-ntev, hnyav molecules tsim los ntawm luv luv, qhov kawg rov qab seem ntawm atoms, ib yam li a hnyav hlau saw yog ua los ntawm kev sib txuas ib txwm. Nylon tsis yog ib qho, ib yam khoom tab sis tus npe muab rau a tag nrho tsev neeg ntawm cov khoom zoo sib xws hu ua polyamides.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog qhov txawv ntawm yas thiab nylon?

Cov sib txawv tsis loj, hais tias me me tsis me, feem ntau lawv yog inorganic, yas yog kev sib sau ua ke, nylon kuj yog rau yas . Lub elastic modulus ntawm yas yog nruab nrab cov roj hmab thiab cov fiber ntau, lub zog tuaj yeem deformed.

Dab tsi ntawm cov yas yog nylon?

Nylon yog ib tug generic designation rau ib tsev neeg ntawm hluavtaws polymers, raws li aliphatic los yog semi-aromatic polyamides. Nylon yog cov khoom siv thermoplastic silky uas tuaj yeem yaj-ua rau hauv fibers, zaj duab xis, lossis cov duab. Nws yog tsim los ntawm kev rov ua dua tshiab txuas los ntawm amide txuas zoo ib yam li peptide bonds hauv cov proteins.

Pom zoo:

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

Koj tuaj yeem qhia tau li cas yog tias cov hlau yog ferrous lossis tsis yog ferrous?

Cov lus teb yooj yim yog cov hlau ferrous muaj hlau, thiab cov hlau tsis muaj hlau tsis muaj. Qhov ntawd txhais tau tias txhua hom ferrous thiab non-ferrous hlau muaj qhov sib txawv thiab siv. Ferrous hlau muaj hlau, thiab paub txog lawv lub zog. Xav tias steel, stainless hlau, carbon steel, cam khwb cia hlau

Koj tuaj yeem qhia tau li cas yog tias koj lub tank septic xau?

"Daj" thiab "Liab" chij Lush zaub. Lush zaub tsis yog ib qho cim qhia tias koj nyob ntawm qhov chaw zoo nkauj. Soggy yard heev. Yog hais tias lub vaj yog heev soggy, tshwj xeeb tshaj yog nyob ze ntawm lub septic tank, ces tej zaum yuav muaj ib tug xau. Sawv dej. Cov chav dej los yog dab dej rov qab los yog qeeb ntws. Ib tug "Sludge Judge"

Koj tuaj yeem qhia tau li cas yog tias daim nqi 1980 100 duas yog tiag?

Tuav daim ntawv rau lub teeb thiab saib rau ib qho duab tsaus ntuj ntawm Benjamin Franklin nyob rau hauv qhov chaw dawb paug mus rau sab xis ntawm theportrait. Daim duab pom tau los ntawm ob sab ntawm daim ntawv.Tig daim ntawv kom pom tus lej 100 nyob rau hauv qab sab xis ces kaum ntawm sab xub ntiag ntawm daim ntawv hloov ntawm greento dub