Homeliness, Zida ndi zipangizo
Dzimbiri zitsulo - ndondomeko adzawonongedwa
Dzimbiri latembenuzidwa kuchokera ku Latin monga "zikuwononga". Choncho ndi njira chiwonongeko cha nkhani iliyonse (nkhuni, ceramic, polima, zitsulo) chifukwa cha kukhudzana ndi chilengedwe, ngati dothi, mpweya, madzi (nyanja, mtsinje, dambo, nyanja, mobisa) kapena zinthu zina zilizonse. Pankhani zitsulo dzimbiri zitsulo akuti asiya kukhala zowombetsa mkota akuti "dzimbiri". Mwachitsanzo, pamene mpweya wa dzimbiri chitsulo m'njira madzi ferric hydroxide hydrated - wamba dzimbiri.
Nthaka ndi zinyalala dzimbiri zitsulo - electrochemical ndondomeko zimene zimadalira zinthu monga mankhwala zikuchokera nthaka, chinyezi awo ndi permeability mpweya, mtundu zitsulo, pachilichonse ake, chikhalidwe cha pamwamba pa zinthu zitsulo.
Protection zitsulo ku dzimbiri zachokera njira izi:
1. pakhale zipangizo constructional mankhwala kukana (dzimbiri zosagwira kasakaniza wazitsulo oyamba mu maselo kapena, Tikawonetsetsa kuchotsa zosafunika kwa aloyi dzimbiri mofulumira);
2. kusakonda zitsulo pamwamba kwa adani ofalitsa aukali (penti ndi vanishi wokutira zitsulo, chimateteza mafilimu, Electroplating) ;
3. chitetezo electrochemical - mchikakamizo cha panopa kunja superimposed pa dongosolo chitsulo;
4. kuchepa ndewu sing'anga kudzera oyamba a zoletsa dzimbiri (arsenates, chromates, nitrites), deoxygenation kapena neutralization sing'anga.
funso ili, ngati chitetezo zitsulo dzimbiri, ndipo panopa zogwirizana amafuna njira mabuku ndi kufunafuna kapangidwe njira zamakono, kuwongolera wakale anayesa ndi kuyesedwa njira ndi zipangizo zina zodzitetezera.
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