Khi \u0111i tham quan c\u00e1c c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac c\u1ed5, ta th\u01b0\u1eddng b\u1ecb m\u00e1i ng\u00f3i l\u01b0u ly c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u00f3 l\u00f4i cu\u1ed1n. M\u1eb7c d\u00f9 tr\u1ea3i qua d\u00e3i d\u1ea7u m\u01b0a n\u1eafng m\u1ed9t th\u1eddi gian d\u00e0i, nh\u01b0ng m\u00e1i ng\u00f3i l\u01b0u ly v\u1eabn gi\u1eef s\u1eafc m\u00e0u r\u1ef1c r\u1ee1 nh\u01b0 th\u1eddi xa x\u01b0a. Khi ch\u00fang ta \u0111i th\u0103m c\u00e1c gian h\u00e0ng c\u00f4ng ngh\u1ec7 ph\u1ea9m, ch\u00fang ta s\u1ebd b\u1ecb c\u00e1c t\u1ea5m g\u01b0\u01a1ng C\u1ea3nh Th\u00e1i trong c\u00e1c t\u1ee7 h\u00e0ng l\u00e0m cho m\u00ea m\u1ea9n kh\u00f4ng r\u1eddi ra \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n
T\u1eeb m\u1ea5y ngh\u00ecn n\u0103m tr\u01b0\u1edbc, ng\u01b0\u1eddi Trung Qu\u1ed1c c\u1ed5 \u0111\u1ea1i \u0111\u00e3 bi\u1ebft \u0111\u1ea5t s\u00e9t l\u00e0 lo\u1ea1i nguy\u00ean li\u1ec7u d\u1ebbo, ch\u1ecbu l\u1eeda, t\u1eeb \u0111\u00f3 ph\u00e1t minh ra \u0111\u1ed3 g\u1ed1m. Qua nhi\u1ec1u ti\u1ebfn b\u1ed9 khoa h\u1ecdc k\u1ef9 thu\u1eadt th\u1eddi c\u1ed5 \u0111\u1ea1i, d\u1ea7n d\u1ea7n ng\u01b0\u1eddi x\u01b0a \u0111\u00e3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c t\u00ednh th\u1ea9m l\u1eadu n\u01b0\u1edbc c\u1ee7a \u0111\u1ed3 g\u1ed1m v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u01b0\u1ee3c v\u1ebb \u0111\u1eb9p c\u1ee7a \u0111\u1ed3 g\u1ed1m. Ng\u01b0\u1eddi ta ph\u1ee7 l\u00ean \u0111\u1ed3 g\u1ed1m m\u1ed9t l\u1edbp men m\u00e0u, sau \u0111\u00f3 l\u1ea1i ti\u1ebfp t\u1ee5c nung v\u00e0 t\u1ea1o \u0111\u01b0\u1ee3c lo\u1ea1i \u0111\u1ed3 g\u1ed1m c\u00f3 ph\u1ee7 men. \u0110\u1ed3 g\u1ed1m ba m\u00e0u nh\u00e0 \u0110\u01b0\u1eddng (\u0110\u01b0\u1eddng Tam Th\u00e1i) l\u00e0 \u0111\u1ea1i bi\u1ec3u cho lo\u1ea1i g\u1ed1m n\u00e0y c\u00f2n l\u01b0u truy\u1ec1n cho \u0111\u1ebfn ng\u00e0y nay. Nguy\u00ean li\u1ec7u \u0111\u1ec3 ch\u1ebf t\u1ea1o men m\u00e0u l\u00e0 c\u00e1c oxit kim lo\u1ea1i \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t \u0111\u1ed3 g\u1ed1m sau \u0111\u00f3 \u0111em nung. C\u00e1c oxit kim lo\u1ea1i khi nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao s\u1ebd n\u00f3ng ch\u1ea3y t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng b\u00f3ng, ph\u1ee7 k\u00edn tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ed3 g\u1ed1m. C\u00e1c h\u1ea1t nh\u1ecf oxit kim lo\u1ea1i trong l\u1edbp men s\u1ebd h\u1ea5p th\u1ee5 m\u1ed9t ph\u1ea7n \u00e1nh s\u00e1ng chi\u1ebfu v\u00e0o v\u00e0 ph\u1ea3n x\u1ea1 ph\u1ea7n \u00e1nh s\u00e1ng c\u00f2n l\u1ea1i l\u00e0m cho \u0111\u1ed3 g\u1ed1m c\u00f3 m\u00e0u s\u1eafc kh\u00e1c nhau \u0111\u1eb9p m\u1eaft. Tr\u00ean ng\u00f3i l\u01b0u ly c\u0169ng c\u00f3 ph\u1ee7 l\u1edbp men theo k\u1ef9 thu\u1eadt t\u01b0\u01a1ng t\u1ef1: Ng\u01b0\u1eddi ta ph\u1ee7 l\u00ean ng\u00f3i m\u1ed9t l\u1edbp men, sau \u0111\u00f3 qua nung s\u1ebd t\u1ea1o \u0111\u01b0\u1ee3c ng\u00f3i l\u01b0u ly.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Khi \u0111i tham quan c\u00e1c c\u00f4ng tr\u00ecnh ki\u1ebfn tr\u00fac c\u1ed5, ta th\u01b0\u1eddng b\u1ecb m\u00e1i ng\u00f3i l\u01b0u ly c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u00f3 l\u00f4i cu\u1ed1n. M\u1eb7c d\u00f9 tr\u1ea3i qua d\u00e3i d\u1ea7u m\u01b0a n\u1eafng m\u1ed9t th\u1eddi gian d\u00e0i, nh\u01b0ng m\u00e1i ng\u00f3i l\u01b0u ly v\u1eabn gi\u1eef s\u1eafc m\u00e0u r\u1ef1c r\u1ee1 nh\u01b0 th\u1eddi xa x\u01b0a. Khi ch\u00fang ta \u0111i […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-7835","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7835","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=7835"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7835\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}