1. Kodi kubereka ndi chiyani? Kodi izi zikuwonetsa chiyani?
Mukukonzanso, kusungitsa ndi kugwiritsa ntchito rabara ndi zopangidwa zake, chifukwa cha zomwe mwachita zakunja ndi zakunja ndi mankhwala a mphira zimawonongeka pang'onopang'ono, ndipo pamapeto pake zimatha kugwiritsa ntchito mtengo wake. Kusintha kumeneku kumatchedwa kuti ng'ombe. Pamwambapa, imawonekera ngati ming'alu, minyewa, yolimba, yowuma, kukhazikika, kuputa, kupumira, ndi kukula kwamphamvu.
2. Kodi ndi ziti zomwe zimakhudza ukalamba wa mphira?
Zinthu zomwe zimapangitsa kuti ukalamba wa mphira ndi:
. Oxidation ndi chimodzi mwazifukwa zoyambirira zolaula.
. Iyo imaswanso unyolo, koma zotsatira za ozone para zimasiyana kapena ngati mphira wopunduka kapena ayi. Mukamagwiritsidwa ntchito pa mphira wopunduka (makamaka mphira wosakhazikika), ming'alu yopanda kanthu kumbali yoyeserera ikuwoneka, ndiye kuti, otchedwa "ozone wosweka"; Mukamagwiritsidwa ntchito pa mphira wopunduka, kanema wongoti oxide wongopangidwa pamwamba popanda kusweka.
(c) Kutentha: Kukweza kutentha kumayambitsa kutentha kwa mafuta kapena kutentha kwa mphira. Koma zotsatira zoyambirira za kutentha ndi kutsegula. Sinthani kusinthanitsa kwa oxygen ndikuyambitsa njira yothandizira ma okomeration, potengera kuchuluka kwa ma okomera a ma okomera a rabara, omwe ndi okalamba wamba - mafuta oransage.
(d) Kuwala: Tsegulani funde, mphamvu yayikulu. Kuwonongeka kwa mphira ndi ma ray a ultraviolet ndi mphamvu zambiri. Kuphatikiza pa kubweretseratu mwachindunji ndikulumikiza kwa chingwe choluka cha mphira, chotupa cha ultraviolet chimatulutsa ma radicals chifukwa cha mayamwidwe amagetsi, omwe amayamba njira yotsatsira ma oxidation. Kuwala kwa ultraviolet kumachitika ngati kutentha. Chikhalidwe china cha kuyeserera (chosiyana ndi kutentha) ndikuti kumachitika makamaka pamtunda wa mphira. Kwa zitsanzo zokhala ndi gulu lalikulu, pali ming'alu yaintaneti mbali zonse, ndiye kuti, omwe amatchedwa "ming'alu yopanda kunja.
. Kutchinga kwamakina kwa ma unin ndi kutsegula kwamakina kwa njira zamafuta. Ndi iti yomwe ili ndi dzanja lam'mwamba zimatengera zomwe zimayikidwa. Kuphatikiza apo, ndizosavuta kuyambitsa ozone kusokoneza movutikira.
. Izi ndichifukwa choti zinthu zosungunuka ndi madzi ndi magulu owoneka bwino mu mphira zimachotsedwa ndikusungunuka ndi madzi. Chifukwa cha hydrolysis kapena mayamwidwe. Makamaka malinga ndi kuphatikizidwa kwa kuphatikizidwa kwamadzi ndi kuwonekera kwa m'mlengalenga, kuwonongeka kwa mphira kumathandizira. Koma nthawi zina, chinyezi sichimawononga mphira, ndipo ngakhalenso chochezera kuchedwa.
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3. Kodi mitundu ya njira zoyeserera za mphira?
Ikhoza kugawidwa m'magulu awiri:
(a) njira yoyesera yachilengedwe. Imagawikanso kuyesedwa kwa mlengalenga, kuyesedwa kwa mlengalenga, kuyesedwa kwachilengedwe, sing'anga yachilengedwe (kuphatikiza pansi panthaka, etc.) ndi mayeso okalamba.
(b) Njira yoyesera yoyeserera. Kwa okalamba, ozone, posambirani, nyengo yokalamba, Photogical Tiring, ma radiation yamagetsi, ndi makanema okalamba.
4. Kodi ndi kalasi yamagetsi iti yomwe iyenera kusankhidwa kuti ikhale yovuta kwambiri pazinthu zovuta za mphira?
Pa mphira wachilengedwe, kutentha koyeserera nthawi zambiri kumakhala 50 ~ 100 ℃, chifukwa chakodzola, nthawi zambiri kumakhala 50 ~ 150 ~ Mwachitsanzo, mphira wa nitrile umagwiritsidwa ntchito pa 70 ~ 150 ℃, ndi silicone fluorine nthawi zambiri amagwiritsidwa ntchito pa 200 ~ 300 ℃. Mwachidule, ziyenera kutsimikizika malinga ndi mayeso.
Post Nthawi: Feb-14-2022