10 Piv txwv ntawm Cov Khoom Siv thiab lawv cov khoom - Phau Ntawv Qhia Txog Kev

Daim Duab: lawv tus hluas nkauj: Audio. With Lyric by Leekong Xiong 2020

Zoo Siab

Khoom
Piv txwv ntawm cov ntaub ntawv thiab lawv cov khoom

Cov khoom siv lawv yog cov tshuajntuj los yog dag) uas tau siv los tsim lwm yam. Txhua tus kev lag luam siv cov ntaub ntawv tshwj xeeb. Piv txwv li, rau kev tsim kho kev lag luam lawv tau siv los ua cov ntaub ntawv hlau, cov cement thiab cov khoom siv sib xyaw, thiab lwm yam, thaum paj rwb, ntaub plaub thiab khoom siv hluavtaws tau siv hauv kev lag luam textile.

Txhua cov khoom siv tau txawv ntawm lwm tus los ntawm nws cov khoom. Nyob ntawm qhov xwm txheej uas koj kawm cov ntaub ntawv lossis lwm yam ntaub ntawv uas koj xav sib piv nws, cov khoom uas yuav cuam tshuam tshaj plaws yog txawv.

Piv txwv li, yog tias peb xav paub yog vim li cas cov roj tsim ib txheej ntawm cov dej saum npoo av, peb yuav txaus siab rau ob yam khoom: solubility thiab ceev. Lwm yam khoom xws li tawv, xim, tsw ntxhiab lossis xa hluav taws xob yuav tsis tseem ceeb.

Saib: Cov mos mos, du, ntxhib, cov khoom ruaj khov thiab tsis muaj dej

Khoom

Cov khoom tuaj yeem yog:

Ceev: Tus nqi ntawm mov paj hauv qhov ntim tau muab
Lub cev nqaij daim tawv: Ua tau khoom, kua los yog roj cua.
Cov khoom muaj zog: Xim, tsw, saj
Kub taw tes: Qhov siab tshaj plaws ntawm cov tshuaj tuaj yeem ncav cuag hauv lub xeev ua kua. Saum toj no qhov kub nws dhau los ua lub xeev muaj roj.
Melting point: Qhov kub siab tshaj plaws uas cov khoom muaj nyob hauv lub xeev khov. Saum toj no qhov kub nws dhau los ua kua.
Solubility: Muaj peev xwm ntawm ib yam khoom yaj hauv lwm yam
Hardness: Qhov tsis kam ntawm cov khoom siv rau qhov perforations.
Kev siv hluav taws xob: Muaj peev xwm ntawm cov khoom siv los ua hluav taws xob.
Yooj yim: Muaj peev xwm ntawm cov khoom siv los khoov tsis tawg. Nws cov lus tsis sib haum yog tawv tawv.
Opacity: Muaj peev xwm tiv thaiv qhov pom kev pom kev. Nws rov qab yog translucency.

Piv txwv ntawm cov ntaub ntawv thiab lawv cov khoom

Ntoo ntoo: Ntoo hnyav thiab hnyav, vim nws qhov ntom ntom nruab nrab ntawm 0.760 thiab 0.991 kg / m3. Vim nws cov yam ntxwv tshuaj, nws tiv taus kab mob heev. Vim nws cov kab mob organoleptic (tsw qab), nws tau siv rau cov cawv txiv hmab, hloov nws cov yam ntxwv mus rau qhov khoom kawg.
Iav: Nws yog cov khoom siv tawv (nws nyuaj heev rau txhav los yog khawb), nrog qhov kub heev yaj (1723 degrees) yog li nws tsis cuam tshuam los ntawm kev hloov pauv kub. Tias yog vim li cas nws tuaj yeem siv tau hauv ntau yam lag luam, los ntawm kev tsim kho (windows) mus rau cov tais diav. Cov xim tuaj yeem muab ntxiv rau iav uas hloov nws cov xim (cov khoom siv organoleptic) thiab cov txheej uas ua rau nws tsis pom kev, tiv thaiv kev nkag mus ntawm lub teeb. Nws yog ib qho insulating los ntawm suab nrov, kub, thiab muaj hluav taws xob me me.
Fiberglass: Cov khoom siv dag uas tsim los ntawm cov kab mob silicon dioxide. Nws yog qhov zoo thermal insulator, tab sis nws tsis tiv taus tshuaj. Nws kuj yog lub suab zoo thiab hluav taws xob rwb thaiv tsev. Vim nws txoj kev yoog raws nws tau siv hauv tsev pheeb suab ntaub, ua haujlwm siab tiv thaiv cov ntaub, ntaub thaiv kab hlau rhuav.
Txhuas: Hauv cov khaubncaws sab nraud povtseg nyias nyias, nws yog hlau tsis tsuas yog yoog raws tab sis kuj muag muag, uas yog, nws yog qhov yooj yim heev. Hauv cov txheej tuab nws dhau los ua tawv. Qhov no yog vim li cas txhuas tuaj yeem siv tau hauv cov ntim hloov pauv (txawm tias yog hu ua "aluminium ntawv ci") tab sis kuj tseem nyob hauv cov txheej txheem nruj ntawm txhua qhov ntau thiab tsawg, los ntawm cov kaus poom zaub mov mus rau dav hlau.
Maas: Kev sib xyaw ntawm calcined thiab av limestone thiab av nplaum. Nws tawv ntawm kev sib cuag nrog dej. Nws tiv taus tshuaj lom neeg thiab kub siab. Txawm li cas los xij, nws qhov kev tiv thaiv qis dua lub sijhawm vim tias nws qhov porosity nce.
Kub: Nws yog cov hlau mos thiab hnyav. Vim nws qhov siab tiv taus xeb, nws tau siv hauv kev lag luam thiab khoom siv hluav taws xob. Nws paub txog nws cov yam ntxwv organoleptic (nws qhov ci thiab xim) uas nws txawm tsis meej pem nrog lwm cov hlau ntawm tus nqi lag luam qis. Nws muaj qhov ntom ntom ntawm 19,300 kg / m3. Nws cov ntsiab lus melting yog 1,064 degrees.
Paj rwb: Nws yog ib qho ntawm cov ntaub ntawv siv hauv kev lag luam textile. Nws cov xim sib txawv los ntawm dawb mus rau daj daj. Txoj kab uas hla ntawm cov fiber ntau me me, nruab nrab ntawm 15 txog 25 micrometers, uas ua rau nws muag heev rau qhov kov, uas yog vim li cas nws thiaj tau txais txiaj ntsig zoo hauv kev lag luam.
Lycra los yog elastane: Nws yog ntaub polyurethane. Muaj zoo elasticity, muaj peev xwm rub tau mus txog 5 zaug nws qhov loj me yam tsis tawg. Ntxiv rau, nws rov qab los rau nws qhov qub. Nws tsis khaws dej ntawm cov fibers ntawm nws cov ntaub, yog li nws qhuav sai.
Tus tsiaj (polyethylene terephthalate): Nws yog ib qho thermoplastic ntawm kev nruj nruj, tawv thiab ua haujlwm. Nws tiv taus cov tshuaj lom neeg thiab cua (cua sov, av noo) yog li nws tau siv hauv cov dej haus, kua txiv thiab ntim tshuaj.
Porcelain: Nws yog cov khoom siv ceramic uas yog qhov tshwj xeeb los ntawm kev cog lus thiab ua kom pom tseeb, uas nws txawv ntawm txhua lwm yam khoom siv tais diav. Nws yog txhav tab sis tsis yooj yim thiab tsis muaj elasticity. Txawm li cas los xij, nws tiv taus tshuaj lom thiab kub ntau.