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Txheej tiv dej

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1. Cov txheej tiv dej yog cov kua nplaum uas khov kho thaum sov li chav tsev. Tom qab txheej thiab kho, nws tuaj yeem ua zaj duab xis tiv dej tsis muaj xov.
2 txheej tiv dej yog tshwj xeeb tshaj yog rau kev tsim kho tsis muaj dej hauv ntsug, Yin thiab Yang lub kaum sab xis, los ntawm cov yeeb nkab txheej qauv, tsa, qhov chaw nqaim thiab lwm yam ntsiab lus ntawm cov qauv, kho kho, tuaj yeem tsim cov yeeb yaj kiab tiv dej tiav rau ntawm qhov chaw ntawm cov khoom nyuaj no.
3 txheej txheej tiv thaiv dej tsis nkag yog kev ua haujlwm txias, yooj yim rau kev khiav lag luam, kev siv zog tsawg.
4. Cov txheej tiv dej uas tsim tom qab kho tau zoo lawm yog lub teeb yuag, thiab cov txheej tiv dej feem ntau yog siv rau kev tsim cov plhaub nyias nyias thiab lwm yam ru tsev zoo nkauj.
5. Cov yeeb yaj kiab tiv thaiv dej uas tau coated muaj cov dej tsis kam zoo, tiv taus huab cua, tiv taus kua qaub thiab alkali thiab kev ua tau zoo heev, uas tuaj yeem ua tau raws li qhov xav tau ntawm kev hloov pauv hauv zos ntawm lub hauv paus.
6. Lub zog tensile ntawm cov txheej tiv dej tuaj yeem ua kom muaj zog los ntawm kev ntxiv cov khoom siv txhawb nqa lub cev log tsheb. Rau cov kab nrib pleb, cov pob qij txha, cov hauv paus yeeb nkab thiab lwm yam uas yooj yim ua rau xau, nws yooj yim los txhim kho, txhawb nqa, kho thiab lwm yam kev ua.
7 txheej tiv dej feem ntau vam khom cov txheej dag, nws cov tuab nyuaj rau sib xws, yog li kev tsim kho, ua raws li txoj kev ua haujlwm rau kev txhuam ntau zaus, kom ntseeg tau tias siv tsawg kawg ib cheeb tsam, kom ntseeg tau tias kev tsim kho zoo ntawm cov txheej tiv dej.
8. Txais yuav J11 txheej rau kev tiv thaiv dej thiab kev saib xyuas yooj yim.

Kev taw qhia txog khoom thiab nta

Xim tiv dej, tseem hu ua xim tiv dej, yog ua los ntawm cov polymer polymer, polymer polymer thiab asphalt, polymer polymer thiab cement ua cov khoom siv zaj duab xis tseem ceeb; Ntxiv ntau yam khoom ntxiv, cov khoom hloov kho, cov khoom sau thiab lwm yam txheej txheem ua los ntawm cov kuab tshuaj, emulsion lossis hmoov txheej. Cov txheej pleev xim rau ntawm lub ru tsev ntawm lub tsev, hauv qab nthab, chav dej, chav dej thiab phab ntsa sab nraud xav tau kev kho dej ntawm qhov chaw ntawm lub hauv paus, tuaj yeem tsim ib qho txuas ntxiv, tag nrho, nrog qee qhov tuab ntawm cov txheej txheej tiv dej nyob rau hauv qhov kub ib txwm muaj. Txheej tiv dej yog cov kua nplaum polymer synthesis khoom uas tsis muaj duab ruaj khov ntawm chav tsev kub. Lo lus dav dav rau cov ntaub ntawv uas tsim ib zaj duab xis tiv dej tawv rau ntawm qhov chaw ntawm lub hauv paus tom qab txheej los ntawm cov kuab tshuaj evaporation lossis dej evaporation lossis tshuaj tiv thaiv kho.