Cov yam ntxwv zoo ntawm cov vuas luaj xim niaj hnub no
Raws li kev tshawb fawb, hauv Ziyang County, Shaanxi, Suav Teb' s" Hometown of Pobzeb thiab Slate&"; thiab ntau lub tsev slate qub thiab zoo nkauj tseem raug khaws cia zoo. Vim tias kev thim rov qab ntawm kev ua lag luam, European thiab Asmeskas sib sib zog nqus ua cov slate tau siv dav hauv kev tsim cov ru tsev rau ntau pua xyoo. Los ntawm tsev cia puav pheej, cov tsev teev ntuj mus rau hauv chav hauv nroog, tsev fuabtais thiab lwm lub tsev siab, cov ru tsev dub tau dhau los ua ib lub cim ntawm European architecture. . Cov khoom siv ntawm cov vuas slate tsis yog slate tab sis ntuj slate (tseem hu ua slate). Slate yog ib hom pob zeb ntuj zoo li marble, granite, sandstone, thiab lwm yam Nws qhov tshwj xeeb tshaj plaws yog tias nws muaj ntuj tsim, uas tuaj yeem siv tau los ntawm tus kheej lossis tshuab. Nws tau muab faib los ntawm txoj kev ntawm cov nplais, yog li cov khoom ntawm lub tsev slate cov khoom tsis yog cov tshuab txhuam, thiab nws muaj cov yam ntxwv ntawm yooj yim thiab ntuj zoo li. Vim yog cov yam ntxwv sib txawv ntawm cov yam ntxwv thiab cov yam ntxwv hloov pauv, qee qhov khoom siv tau zoo hauv cov slate tuaj yeem ua tiav rau hauv cov vuas vov. Cov slates no feem ntau hu ua pobzeb slates. Cov ntawv uas tsis tuaj yeem siv ua cov vuas tau ua tiav rau hauv cov vaj huam sib luag zoo nkauj thiab siv ua phab ntsa. Kev hloov kho saum npoo av.
Tib yam yog hom tsev slate. Cov pobzeb slate tuaj yeem siv ua cov pob zeb zoo nkauj, tab sis cov nplais zoo nkauj tsis tuaj yeem siv ua cov nplais slate. Vim li cas? Ua ntej tshaj plaws, peb yuav tsum paub cov yam ntxwv ntawm cov nplais pob zeb zoo: ua haujlwm tau zoo thiab ua kom tiaj tus. Kub zoo, xim sib txawv me me, siab dub (lwm yam xim zoo ib yam), muaj zog khoov siab, tsis muaj calcium, hlau thiab cov ntsiab lus sulfur, poob qis ntawm qhov hluav taws kub, zoo kua qaub thiab alkali tiv taus, tsis nqus dej, thiab huab cua zoo tiv taus. Tsis muaj kev sib cais ua tau zoo, tsis muaj txoj hauv kev los faib cov slate rau cov txheej txheem tuab ntawm 5 ~ 7mm; tsis muaj lub zog khoov zoo, daim ntawv thov xav tau ntawm cov nplais tsis tuaj yeem ua tau ntawm qhov tuab no; kev tiaj tus tsis zoo, thiab nws yog qhov tsis yooj yim sua Nws ua tau raws li qhov yuav tsum tau ua kom zoo thiab tsim nyog dai cov pobzeb tsim; yam tsis muaj cov yam ntxwv zoo, nws tsis muaj peev xwm tswj tau daim ntawv thov lub neej ntau dua 100 xyoo yam tsis ploj, huab cua, thiab xeb. Qhov no yog qhov laj thawj vim li cas veneer slate tsis tuaj yeem siv ua pobzeb slate. Zoo sib xws, yog vim li cas pobzeb slate tuaj yeem siv ua veneer slate yog qhov nkag siab yooj yim. Tsuav ntev li cov nplais pob zeb tau faib me ntsis tuab, nws tuaj yeem txaus siab rau txhua qhov xav tau ntawm veneer slate. Thov.
