2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
MS polymer (lossis " mastic ") zoo li silicone . Nws tseem tuaj hauv lub raj, zoo li ib yam thaum nws ua kua. Nov yog qhov txawv kuv pom nrog silicone caulk: nws zoo li tsis hloov pauv me ntsis thaum kho (zoo li tawv yas yas).
Yog li ntawd, puas yog silicone ua mastic?
Silicone , acrylic, polysulphide, tiv taus hluav taws, tsis muaj dej, thiab epoxy sealants yog qee qhov feem ntau siv cov foob rau hauv kev lag luam tsev. Mastic foob yog ib qho piv txwv ntawm a sealant feem ntau yog ua kua, yog tias tsis yog kua nplaum tuab, lossis muab tshuaj txhuam rau.
Kuj Paub, muaj pes tsawg hom silicone sealants muaj? Peb lub ntsiab hom silicone sealant yog; kho cov tshuaj acetoxy uas yog kho cov kua qaub uas tau lees paub los ntawm lawv cov kua txiv zoo li tsw ntxhiab, kho alcoxy thiab oxime kho ob qho tib si uas tsis kho zoo.
Kuj nug, dab tsi yog mastic sealant?
A mastic sealant yog hom kua sealant uas kho nyob rau hauv lub xeev ywj pheej, yog li ua rau nws yoog raws thaum tuav cov nyiaj ntawm cov chaw uas tau txuas ua ke. Ntoo, txhuas, iav, marble, thiab duct board yog tag nrho cov qauv siv rau mastic foob.
Dab tsi yog mastic sealant ua los ntawm?
Feem ntau hom ntawm cov khoom uas mastic foob tuaj yeem ua raws kom suav nrog ntoo, txhuas, hlau, marble, iav thiab ntau hom board, txawm hais tias nws tuaj yeem siv tau ntawm yuav luag txhua yam khoom siv.
Pom zoo:
Puas yog silicone gel ua haujlwm ntawm qhov nti?
Nws ua rau softer thiab flatter caws pliav. Nws tso cai rau daim tawv nqaij kom 'ua pa'. Nws tiv thaiv cov ntaub so ntswg los ntawm kev kis kab mob thiab tiv thaiv cov kab mob ntau dhau los ua cov collagen ntau hauv cov nqaij caws pliav. Silicone gel txo qhov khaus thiab tsis xis nyob cuam tshuam nrog nti
Dab tsi yog qhov txwv tsis pub nyob sab hauv cov retina thiab yuav ua li cas yam zoo sib xws yam tsis muaj nws?
Cov duab sib txawv hauv lub qhov muag teb rau qib sib txawv ntawm lub teeb. Qhov no ua rau cov npoo nruab nrab ntawm thaj chaw pom kev thiab tsaus ntuj tshwm tuaj ntau dua li qhov lawv yuav tsis yog. Piv txwv li, tsis muaj kev cuam tshuam rau sab nraud, ciam teb ntawm cov pobzeb dub thiab ib ntus pobzeb yuav pom tsis pom tseeb
Cochlear implants zoo npaum li cas hauv kev kho qhov hnov lus puas ua haujlwm zoo ib yam rau txhua tus neeg?
Cochlear cog tsis kho qhov hnov tsis hnov lus lossis rov hnov lub suab, tab sis lawv muab sijhawm rau qhov hnov lus hnyav lossis tsis hnov lus kom pom qhov hnov ntawm lub suab los ntawm kev hla lub pob ntseg sab hauv puas
Puas yog ntau tus cwj pwm tsis zoo yog kev puas siab puas ntsws?
Differential Diagnosis: Kev nyuaj siab loj heev
Puas yog tus cwj pwm coj tus kheej yog tib yam uas txiav txim siab tias tus neeg mob puas yog?
Tus cwj pwm ntawm tus kheej tsis yog ib qho tseem ceeb uas txiav txim siab tus neeg mob lossis mob. Muaj lwm yam uas txiav txim siab tus neeg mob thiab ua haujlwm tsis zoo. Muaj cov laj thawj zoo li kev rog rog uas ua rau ntau yam kab mob. Muaj ob peb tus cwj pwm uas cuam tshuam rau kev noj qab haus huv ntawm tib neeg