Cov Khoom Siv Uas Tsis Muaj Cov Khaub Ncaws Los Ua Tau Ntau Thiab Nrov Ntau

- Sep 17, 2019-

Cov Khoom Siv Uas Tsis Muaj Cov Khaub Ncaws Los Ua Tau Ntau Thiab Nrov Ntau

Nyob rau hauv xyoo tas los no, cov khoom siv uas tsis yog cov ntawv siv tau siv tau siv dav hauv neeg lub neej txhua hnub los ua lub luag haujlwm tseem ceeb.

Thawj zaug ntawm chav kawm yog kev siv cov hnab tsis raug tiv thaiv ib puag ncig, cov hnab tsis tau ntim nrog lub neej kev pab cuam ntev dua li cov hnab yas, rov ua dua tshiab, qis tus nqi, yooj yim los txhawb. Tam sim no tib neeg mus rau lub khw muag khoom loj thiab khw hauv khw nrog cov hnab ntim tsis, uas tuaj yeem txo qhov kev siv ntawm cov hnab yas, thiab kev tiv thaiv ib puag ncig zoo dua, vim tias tsis yog lub hnab ntim tsis yog lub hnab me ntsis kim dua li hnab yas, yog li ntau cov lag luam ntawm "tsis woven hnab "luam tawm cov ntawv tshaj tawm, kev tshaj tawm tuaj yeem xa cov nqi ntawm kev siv.

Thib ob, tsis yog ntaub plaub tau dhau los ua qhov tsis tseem ceeb hauv cov khoom lag luam huv. Cov ntaub npuag tsis tau dhau los ua thawj qhov kev xaiv huv ntawm cov ntaub ntawv huv vim nws cov huab cua zoo permeability thiab muaj zog muaj peev txheej lim.

Ntxiv mus, cov ntaub ntawv tsis yog ntaub ua lub luag haujlwm tseem ceeb hauv kev siv kev lag luam, xws li kev coj tus kheej ntawm cov khaub ncaws pov tseg tiv thaiv, cov khau tsis tiv thaiv kev tiv thaiv, kev hnav ntawm qib siab tsis woven lub ntsej muag daim npog, cov ntaub ntawv raw yog los ntawm tsis yog woven, thiab lwm yam.

Txhawm rau suav, tus nqi qis thiab kev ua haujlwm zoo ntawm cov xov tsis ua rau nws hloov tau ntau yam khoom.