Kev txhim kho keeb kwm ntawm kev lag luam lim khoom
Kev lag luam lim cov khoom siv feem ntau yog koom nrog hauv kev tsim khoom thiab muag khoom ntawm ntau yam khoom siv lim. Txoj kev loj hlob ntawm qhov kev lag luam no tuaj yeem taug qab mus rau lub sijhawm qub. Nyob rau hauv ancient sij hawm, tib neeg siv tej yam ntuj tso ntaub ntawv xws li gauze thiab linen lim dej thiab zaub mov.
Nrog rau kev nce qib ntawm thev naus laus zis, kev lag luam pom cov khoom siv tau maj mam txav mus rau industrialization. Thaum pib ntawm lub xyoo pua 20th, tib neeg pib siv cov khoom siv fiber ntau, xws li hluavtaws fibers thiab polypropylene, los tsim cov ntaub ntawv lim. Cov ntaub ntawv no muaj kev pom zoo dua thiab ua haujlwm ntev dua, txhim kho kev ua haujlwm ntau lawm.
Nyob rau xyoo 1950, kev lag luam pom cov khoom siv ntxiv tau tsim thiab ntau yam khoom siv tshiab tau tshwm sim, xws li ceramics, activated carbon, thiab lwm yam. Cov ntaub ntawv no muaj kev pom zoo dua thiab siv dav hauv thaj chaw xws li zaub mov, tshuaj, thiab lwm yam. kev tiv thaiv ib puag ncig.
Tom qab xyoo 1990, nrog rau kev txhim kho ntawm ib puag ncig kev paub, kev lag luam lim cov khoom siv hauv kev tsim kho tshiab. Cov tib neeg tab tom pib tsim cov khoom zoo ib puag ncig thiab muaj txiaj ntsig lim dej. Nyob rau tib lub sijhawm, kev lag luam kev sib tw hauv kev lag luam yog nce zuj zus, thiab kev lag luam kev sib koom ua ke tau dhau los ua ib qho kev sib tw hauv kev lag luam. Ntau lub tuam txhab lim me me tau txais los yog sib koom ua ke, thiab cov tuam txhab ua lag luam hauv kev lag luam tau maj mam tsim. Tam sim no, nrog kev nruam ntej ntawm thev naus laus zis thiab kev hloov pauv hauv kev xav tau ntawm kev lag luam, kev lag luam lim khoom tseem tab tom tsim thiab loj hlob. Nyob rau hauv lub neej yav tom ntej, kev lag luam pom cov khoom siv txuas ntxiv yuav txhim kho mus rau ib puag ncig tus phooj ywg zoo dua, ua haujlwm tau zoo, thiab kev txawj ntse.
