Ch\u1ea3o n\u1ea5u th\u1ee9c \u0103n, mu\u00f4i, dao th\u00e1i rau \u0111\u1ec1u l\u00e0m b\u1eb1ng th\u00e9p. T\u1ea1i sao c\u00f9ng l\u00e0 \u0111\u1ed3 d\u00f9ng b\u1eb1ng s\u1eaft th\u00e9p c\u1ea3 nh\u01b0ng ch\u00fang l\u1ea1i kh\u00f4ng gi\u1ed1ng nhau? Nguy\u00ean li\u1ec7u d\u00f9ng \u0111\u1ec3 \u0111\u00fac ch\u1ea3o l\u00e0 gang. Gang gi\u00f2n, n\u00ean ch\u1ec9 \u0111\u00e1nh r\u01a1i ho\u1eb7c \u0111\u1eadp l\u00e0 v\u1ee1. V\u00ec v\u1eady \u0111\u1ed1i v\u1edbi gang ng\u01b0\u1eddi ta kh\u00f4ng th\u1ec3 d\u00f9ng c\u00e1ch r\u00e8n d\u1eadp \u0111\u1ec3 l\u00e0m ra ch\u1ea3o. Trong c\u00e1c c\u00f4ng x\u01b0\u1edfng, nh\u00e0 m\u00e1y, ng\u01b0\u1eddi ta ph\u1ea3i d\u00f9ng c\u00e1ch n\u1ea5u ch\u1ea3y gang r\u1ed3i \u0111\u1ed5 v\u00e0o khu\u00f4n \u0111\u1ec3 \u0111\u00fac t\u1ea1o h\u00ecnh, g\u1ecdi l\u00e0 \u0111\u00fac gang.<\/p>\n\n\n\n
Mu\u00f4i, b\u1ea3n x\u1ebbng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng th\u00e9p non. Kh\u00e1c v\u1edbi gang, th\u00e9p non kh\u00f4ng gi\u00f2n m\u00e0 d\u1ebbo. Ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng b\u00faa v\u00e0 r\u00e8n \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c \u0111\u1ed3 v\u1eadt b\u1eb1ng th\u00e9p non.<\/p>\n\n\n\n
Dao th\u00e1i rau \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p. Th\u00e9p v\u1eeba c\u00f3 t\u00ednh d\u1ebbo, d\u00e1t m\u1ecfng, k\u00e9o \u0111\u01b0\u1ee3c th\u00e0nh s\u1ee3i. C\u00f3 th\u1ec3 r\u00e8n, d\u1eadp theo khu\u00f4n, c\u1eaft g\u1ecdt th\u00e0nh c\u00e1c chi ti\u1ebft c\u01a1 kh\u00ed, d\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n
Gang, th\u00e9p non, th\u00e9p tr\u00f4ng b\u1ec1 ngo\u00e0i c\u00f3 v\u1ebb gi\u1ed1ng nhau, t\u1ea1i sao ch\u00fang l\u1ea1i c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c nhau nh\u01b0 v\u1eady? Gang, th\u00e9p non, th\u00e9p c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c nhau l\u00e0 do h\u00e0m l\u01b0\u1ee3ng cacbon trong c\u00e1c v\u1eadt li\u1ec7u \u0111\u00f3. Gang c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon l\u1edbn h\u01a1n 1,7% n\u00ean gi\u00f2n, kh\u00f4ng th\u1ec3 d\u00f9ng c\u00e1ch r\u00e8n d\u1eadp \u0111\u1ec3 t\u1ea1o h\u00ecnh. Th\u00e9p c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon t\u1eeb 0,2 – 1,7% n\u00ean th\u00e9p c\u00f3 \u0111\u1ed9 c\u1ee9ng l\u1edbn, l\u1ea1i d\u1ebbo, c\u00f3 th\u1ec3 r\u00e8n, d\u1eadp, d\u00e1t m\u1ecfng r\u1ea5t t\u1ed1t. Th\u00e9p non c\u00f3 h\u00e0m l\u01b0\u1ee3ng cacbon nh\u1ecf h\u01a1n 0,2% n\u00ean r\u1ea5t d\u1ebbo, d\u1ec5 r\u00e8n. V\u00ec v\u1eady d\u00f9 r\u1eb1ng h\u00e0m l\u01b0\u1ee3ng cacbon trong gang th\u00e9p kh\u00f4ng nhi\u1ec1u nh\u01b0ng l\u1ea1i quy\u1ebft \u0111\u1ecbnh t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u b\u1eb1ng s\u1eaft.<\/p>\n\n\n\n
Ngo\u00e0i ra c\u00e1ch ch\u1ebf t\u1ea1o ba lo\u1ea1i v\u1eadt li\u1ec7u c\u0169ng kh\u00e1c nhau. S\u1ea3n ph\u1ea9m l\u1ea5y ra t\u1eeb l\u00f2 cao l\u00e0 gang. S\u1ea3n ph\u1ea9m t\u1eeb l\u00f2 ph\u1ea3n x\u1ea1 l\u00e0 th\u00e9p non. S\u1ea3n ph\u1ea9m c\u1ee7a l\u00f2 luy\u1ec7n th\u00e9p (l\u00f2 b\u1eb1ng, l\u00f2 chuy\u1ec3n, l\u00f2 \u0111i\u1ec7n) l\u00e0 th\u00e9p.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Gang; Th\u00e9p non; Th\u00e9p.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ch\u1ea3o n\u1ea5u th\u1ee9c \u0103n, mu\u00f4i, dao th\u00e1i rau \u0111\u1ec1u l\u00e0m b\u1eb1ng th\u00e9p. T\u1ea1i sao c\u00f9ng l\u00e0 \u0111\u1ed3 d\u00f9ng b\u1eb1ng s\u1eaft th\u00e9p c\u1ea3 nh\u01b0ng ch\u00fang l\u1ea1i kh\u00f4ng gi\u1ed1ng nhau? Nguy\u00ean li\u1ec7u d\u00f9ng \u0111\u1ec3 \u0111\u00fac ch\u1ea3o l\u00e0 gang. Gang gi\u00f2n, n\u00ean ch\u1ec9 \u0111\u00e1nh r\u01a1i ho\u1eb7c \u0111\u1eadp l\u00e0 v\u1ee1. V\u00ec v\u1eady \u0111\u1ed1i v\u1edbi gang ng\u01b0\u1eddi ta kh\u00f4ng th\u1ec3 […]<\/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-8006","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\/8006","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=8006"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8006\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8006"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8006"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8006"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}