Homeliness, Tools uye midziyo
Ngura kuti simbi - muitiro rokuparadzwa kwavo
Ngura rinoshandurwa kubva muchiLatin sezvo "kungatikanganisa". Ndizvo muitiro yokuparadza ipi zvinhu (huni, zvedongo, polymer, simbi) somugumisiro yokuwana kwezvakatipoteredza, kana ivhu, mhepo, mvura (gungwa, rwizi, doro, nyanza, pasi pevhu) kana zvimwe zvemagetsi. Panyaya nesimbi rokuti ngura nesimbi unotsiva munhu generalized rokuti "ngura". Somuenzaniso, apo okisijeni iron ngura mumvura siyana ferric hydroxide hydrated - munhuwo ngura.
Ivhu uye tsvina ngura nesimbi - electrochemical muitiro kuti inoenderana zvinhu zvakadai makemikari anoumba ivhu, avo unyoro uye mhepo permeability, simbi mhando, ayo kufanana, hunhu pemvura simbi zvinhu.
Kudzivirirwa simbi kubva ngura kunobva nzira idzi:
1. pave constructional zvinhu namakemikari nemishonga (ngura nemishonga alloys sumo muzvitokisi kana, Ukuwo, kubvisa tsvina kubva chiwanikwa ngura kuwedzera);
2. nevamwe chicherwa pamusoro kubva kurwisa chisimba vezvenhau (pendi uye varnishes yokunamisa simbi, insulating mafirimu, Electroplating) ;
3. The electrochemical kudzivirira - pasi pokudzora ane ano kwokunze seari pamusoro simbi mamiriro;
4. kuderera sehasha pamusoro svikiro nomukombiyuta pakusuma ngura FIs (arsenates, chromates, nitrites), deoxygenation kana neutralization svikiro.
mubvunzo uyu, sezvo simbi ngura kudzivirirwa, uye pari akakodzera, zvinoda misoro yokusvika achitsvaka ano kugadzira zvinogadzirisa, kuvandudza rekare dzikaedzwa nzira uye unodzivirira michina.
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