Cov paib plooj (porcelain) ua li cas?

Cov txheej txheem:

Cov paib plooj (porcelain) ua li cas?
Cov paib plooj (porcelain) ua li cas?
Anonim

KOJ HAUJ LWM ntawm porcelain ENAMEL SIGNS Thaum lub sij hawm tsim, a hmoov iav muaj pes tsawg leeg (frit) yog siv rau hauv cov khaubncaws sab nraud povtseg rau lub hauv paus hlau. Tsab ntawv yog ua tib zoo stenciled ntawm tes. Tom qab ntawd lub cim yog raug rho tawm haujlwm hauv qhov cub, uas ua rau cov iav thiab hlau sib txuas. Porcelain enamel yog ntau tshaj li cov xim pleev xim.

Puas muaj leej twg ua cov cim plooj (porcelain)?

Tseem tseem muaj cov tuam txhab plooj (porcelain) hauv Tebchaws Meskas, kwv yees li ib nrab kaum ntawm lawv, tab sis feem ntau lawv txwv rau kev tshaj tawm hauv ntiaj teb. Lawv ua cov paib hauv nroog, kos npe rau ua liaj ua teb lossis khoom hauv nroog, tej zaum yog rau Chaw Ua Si.

Thaum twg cov paib plooj (porcelain) tso tseg?

Keeb kwm hauv lub tebchaws Yelemes thiab raug xa mus rau Tebchaws Meskas hauv xyoo 1890, cov paib plooj (porcelain signs), tseem hu ua enamel… Los ntawm 1880s mus txog rau the 1950s, yog ib qho tseem ceeb tshaj plaws ntawm cov ntaub ntawv. Sab nraum zoov advertising signage yog ruaj, huab cua-resistant porcelain.

Lawv puas tseem ua cov cim kos npe?

Enamel cov paib tau tsim muaj txog 70 xyoo, los ntawm ib ncig ntawm 1880 txog 1950 thiab feem ntau siv rau kev tshaj tawm, nrog rau cov paib txoj kev. Niaj hnub no, ntau cov cim enamel, ob qho tib si qub vintage paib thiab luam tawm, muaj muag. Cov paib enamel tau nrov tshwj xeeb tshaj yog cov paib tshaj tawm rau cov tuam txhab roj av thiab roj.

Vim li cas qee cov cim plooj (porcelain) muaj lub nraub qaum dub?

thawj cov cim muaj ntau dua ntawm cov xim dub-xim av xeb. Qhov no kuj yog qhov tshwm sim ntawm txheej txheem khoos phis tawj tsis tuaj yeem ua raws li cov txheej txheem tsim khoom qub. … Ntau yam ntawm cov cim me me no yog cov plooj (porcelain) thiab tsuas yog cov duab coj los ntawm phau ntawv npog ntawm lub sijhawm thiab tab tom tsim lub computer.

Pom zoo:

Nthuav cov khoom
Lub sijhawm elongation ntawm kev txhais lus uncharged trnas txav mus rau?
Nyeem ntxiv

Lub sijhawm elongation ntawm kev txhais lus uncharged trnas txav mus rau?

Peptide daim ntawv cog lus; uncharged tRNA txav mus rau qhov E site & tom qab tawm ntawm ribosome; lub mRNA tau hloov pauv 3 lub hauv paus mus rau sab laug, ua rau tRNA bearing dipeptide hloov mus rau P site P site P-site (rau peptidyl) yog qhov thib ob khi qhov chaw rau tRNA hauv ribosome.

Dab tsi yog asbestiform fibers?
Nyeem ntxiv

Dab tsi yog asbestiform fibers?

Raws li siv hauv daim ntawv tshaj tawm no, lo lus asbestiform fibers suav nrog fibers uas muaj lub zog zoo thiab yoog raws, ruaj khov, cov qauv saum npoo tsis muaj qhov tsis xws luag, thiab ntau lwm yam khoom tau piav qhia tom qab. Kev lag luam zoo asbestos yog ib qho piv txwv ntawm asbestiform fiber.

Colleen dewhurst tuag li cas?
Nyeem ntxiv

Colleen dewhurst tuag li cas?

Dewhurst tuag rau hnub Thursday ntawm mob qog noj ntshav ntawm nws lub tsev hauv New York suburb ntawm Lewisboro, hais Tom Viola, tus kws tshaj lij rau lub koomhaum uas nws ua haujlwm, Tus Ua Yeeb Yam Equity. Txawm hais tias ntau phau ntawv sau npe Dewhurst hnub nyoog li 65, nws yog 67, hais tias nws tus khub ntev, Ken Marsolais.