Kev Kho & Kho
Peb quartz pob zeb nto yog nonporous, tawv zoo nkauj thiab dej nqus tus nqi yog yuav luag xoom.Tab sis yog tias ua kev tu thiab tu zoo, nws yuav pab ua kom cov khoom siv tau ntev.
1.Thaum lub sijhawm ua haujlwm zoo nkauj, thov tsis txhob rhuav tshem cov yeeb yaj kiab tiv thaiv ntawm cov pob zeb dag kom txog thaum qhov project tiav.
2.Thaum muaj cov kua dej xws li number case, kas fes tshuaj yej, tshuaj yej, roj thiab lwm yam khoom, pls ntxuav lawv kom sai li sai tau.
3.Thov tsis txhob siv cov kua qaub alkali muaj zog los ntxuav cov pob zeb quartz nto.Peb xav kom siv cov tshuaj uas tsis yog nruab nrab thiab alkali-xws li dilute hydrochloric acid thiab ceramic pobzeb ntxuav.
4.In thiaj li ua kom quartz pob zeb nto du, thov tsis txhob siv cov khoom ntse kom puas.
5.Nws yuav pab kom quartz pob zeb 'zoo meej, zoo kawg nkaus thiab luster nrog kev tswj ntawm lub sijhawm tsis tu ncua.