2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nws yuav siv sijhawm kwv yim yim teev rau vulcanization kom tiav, txawm li cas los xij, qee cov tshuaj activators tuaj yeem qhia rau cov txheej txheem kom ceev lub sijhawm.
Puas vulcanizing lub log tsheb ua haujlwm?
Thaum cov kua nplaum los yog roj hmab cement ntxiv, nws tsim cov tshuaj tiv thaiv uas ua rau cov khoom cua sov thiab ua rau nws mus rau lub log lossis lub raj. Cov roj hmab cement nws tus kheej tsis tas yuav "vulcanizing." Cov roj hmab tsis tu ncua yuav ua haujlwm ua tus neeg sawv cev vulcanizing thiab tsim kom muaj kev sib khi zoo ntawm cov roj hmab thiab thaj.
Lub log tsheb yuav siv sij hawm ntev npaum li cas kom qhuav?
Cov cement thiab ntsaws yog tsim kom qhuav tam sim ntawd, tab sis cia nws qhuav rau tsawg ib feeb ua ntej txiav cov ntsaws ntsaws ntau dhau ntawm lub log tsheb.
Yog vulcanized log tsheb nyab xeeb?
7. Zam lub khw muag khoom vulcanizing uas siv txoj kev sundot. Cov tsoos patching hauv koj lub log tsheb hauv ob sab phlu tseem yog txoj hauv kev zoo tshaj plaws rau kev sib tsoo. … Txawm hais tias nws yuav zoo li yooj yim heev, nws tuaj yeem ua rau txoj siv hlau ua kom koj lub log tsheb tsis zoo.
vulcanization txheej txheem ua li cas?
Vulcanization yog cov txheej txheem tshuaj uas cov roj hmab tau rhuab nrog sulphur, accelerator thiab activator ntawm 140-160 ° C. Cov txheej txheem suav nrog kev tsim cov kev sib txuas ntawm cov roj hmab ntev ntev kom ua tiav cov elasticity, resilience, tensile zog, viscosity, hardness thiab huab cua.resistance.
Pom zoo:
Yuav siv sijhawm ntev npaum li cas thiaj tau txais daim ntawv qiv nyiaj?
Nyob ntawm cov xwm txheej no, kev sau nqi tsev yuav siv sijhawm ib hnub lossis ob, lossis nws tuaj yeem siv sijhawm ntau lub lis piam. Raws li ib txwm muaj, qhov kev pom zoo thawj zaug yuav tshwm sim hauv 72 teev tom qab xa koj cov ntaub ntawv qiv nyiaj tag nrho.
Thaum ua haujlwm raug ntxias nws siv sijhawm ntev npaum li cas?
Nws tuaj yeem siv sijhawm los ntawm ob peb teev kom ntev li 2 txog 3 hnub txhawm rau ua haujlwm. Nws nyob ntawm seb koj lub cev teb li cas rau kev kho mob. Nws yuav siv sij hawm ntev dua yog tias qhov no yog koj thawj cev xeeb tub lossis koj cev xeeb tub tsawg dua 37 lub lis piam.
Ntev npaum li cas yog lub sijhawm ntev (ltp)?
I-LTP, tseem hu ua luv luv potentiation, sawv cev rau theem ntawm LTP thiab yog ib daim ntawv txuas ntxiv ntawm NMDA receptor-dependent synaptic plasticity. I-LTP kav ntev kwv yees li 30–60 feeb thiab tsis xav tau cov protein kinase (Roberson li al.
Lub sijhawm filling yuav siv sijhawm ntev npaum li cas?
Cov txheej txheem no feem ntau siv qhov twg los ntawm 10 feeb mus rau ib teevtab sis, tau kawg, lub sijhawm ntawd yuav txawv nyob ntawm qhov loj thiab qhov chaw ntawm kab noj hniav. Kev txhaws yog ib txoj kev kho hniav uas feem ntau siv los kho cov hniav uas tau tawg los yog lwj ntawm ib, ob lossis peb qhov chaw thaum kev puas tsuaj me me mus rau nruab nrab.
Lub sijhawm ncua sijhawm ntev npaum li cas?
Koj lub sijhawm feem ntau suav tias lig ib zaug nws tau tsawg kawg 30 hnub txij li pib koj lub sijhawm kawg. Ntau yam tuaj yeem ua rau qhov no tshwm sim, los ntawm kev hloov pauv hauv kev ua neej mus rau cov mob hauv qab no. Yog tias koj lub sijhawm tsis tu ncua, teem caij nrog koj tus kws kho mob los txiav txim qhov ua rau.
