B\u00f3ng \u0111\u00e8n \u0111i\u1ec7n m\u1edbi mua th\u01b0\u1eddng trong s\u00e1ng nh\u01b0ng sau khi d\u00f9ng m\u1ed9t th\u1eddi gian tr\u00ean b\u1ec1 m\u1eb7t thu\u1ef7 tinh b\u00ean trong b\u00f3ng \u0111\u00e8n xu\u1ea5t hi\u1ec7n m\u1ed9t l\u1edbp m\u1edd m\u00e0u \u0111en. B\u00f3ng \u0111\u00e8n b\u1ecb \u0111en kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 chi\u1ebfu s\u00e1ng m\u00e0 \u0111\u00f3 c\u00f2n l\u00e0 d\u1ea5u hi\u1ec7u tu\u1ed5i th\u1ecd b\u00f3ng \u0111\u00e8n kh\u00f4ng c\u00f2n l\u00e2u n\u1eefa.<\/p>\n\n\n\n
V\u00ec sao b\u00f3ng \u0111\u00e8n l\u1ea1i b\u1ecb \u0111en?<\/p>\n\n\n\n
Nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 do trong b\u00f3ng \u0111\u00e8n c\u00f3 s\u1ee3i \u0111\u1ed1t b\u1eb1ng vonfram r\u1ea5t m\u1ea3nh. Khi \u0111\u00f3ng c\u00f4ng t\u1eafc \u0111i\u1ec7n, d\u00f2ng \u0111i\u1ec7n s\u1ebd ch\u1ea1y qua s\u1ee3i d\u00e2y vonfram. Do s\u1ee3i \u0111\u1ed1t c\u00f3 \u0111i\u1ec7n tr\u1edf l\u1edbn n\u00ean s\u1ebd ph\u00e1t ra l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn. S\u1ee3i \u0111\u1ed1t vonfram v\u00ec \u1edf nhi\u1ec7t \u0111\u1ed9 cao s\u1ebd tr\u1edf n\u00ean s\u00e1ng tr\u1eafng, ph\u00e1t ra \u00e1nh s\u00e1ng ch\u00f3i m\u1eaft.<\/p>\n\n\n\n
Vonfram l\u00e0 kim lo\u1ea1i “c\u1ee9ng \u0111\u1ea7u”, kh\u00f3 n\u00f3ng ch\u1ea3y. \u0110i\u1ec3m n\u00f3ng ch\u1ea3y c\u1ee7a vonfram l\u00e0 3380\u00b0C. Ch\u00ednh v\u00ec v\u1eady ng\u01b0\u1eddi ta ch\u1ecdn vonfram l\u00e0m s\u1ee3i \u0111\u1ed1t cho b\u00f3ng \u0111\u00e8n. Nh\u01b0ng \u0111\u1ec3 s\u1ee3i vonfram \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 s\u00e1ng tr\u1eafng, c\u00f3 m\u1ed9t ph\u1ea7n nh\u1ecf vonfram tr\u00ean b\u1ec1 m\u1eb7t s\u1ee3i vonfram s\u1ebd bay h\u01a1i, g\u1eb7p b\u00f3ng thu\u1ef7 tinh l\u1ea1nh s\u1ebd ng\u01b0ng t\u1ee5 l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t th\u1ee7y tinh. L\u00e2u d\u1ea7n tr\u00ean b\u1ec1 m\u1eb7t b\u00f3ng thu\u1ef7 tinh nh\u01b0 \u0111\u01b0\u1ee3c “b\u00f4i” m\u1ed9t l\u1edbp m\u1ecfng m\u00e0u \u0111en. B\u00f3ng \u0111\u00e8n m\u00e0u b\u00e1o hi\u1ec7u \u0111\u00e3 g\u1ea7n \u0111\u1ebfn “ng\u00e0y t\u00e0n” c\u1ee7a n\u00f3. S\u1ee3i vonfram c\u00e0ng bay h\u01a1i s\u1ebd ng\u00e0y c\u00e0ng b\u00e9, do \u0111\u00f3 \u0111i\u1ec7n tr\u1edf s\u1ebd ng\u00e0y c\u00e0ng t\u0103ng cao. \u0110i\u1ec7n tr\u1edf ng\u00e0y cao th\u00ec khi c\u00f3 d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a s\u1ee3i \u0111\u1ed1t s\u1ebd c\u00e0ng cao v\u00e0 l\u1ea1i c\u00e0ng l\u00e0m s\u1ee3i \u0111\u1ed1t vonfram bay h\u01a1i c\u00e0ng nhanh, \u0111\u1ebfn m\u1ee9c s\u1ee3i vonfram kh\u00f4ng ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c n\u1eefa v\u00e0 s\u1ebd b\u1ecb \u0111\u1ee9t, b\u00f3ng \u0111\u00e8n b\u1ecb h\u1ecfng!<\/p>\n\n\n\n
\u0110\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 bay h\u01a1i c\u1ee7a vonfram khi ch\u1ebf t\u1ea1o b\u00f3ng \u0111\u00e8n ng\u01b0\u1eddi ta c\u00f3 \u0111\u01b0a v\u00e0o m\u1ed9t \u00edt kh\u00ed nit\u01a1 hay m\u1ed9t kh\u00ed tr\u01a1 kh\u00e1c \u0111\u1ec3 kh\u00ed tr\u01a1 bao b\u1ecdc l\u1ea5y s\u1ee3i vonfram kh\u00f4ng \u0111\u1ec3 cho vonfram bay h\u01a1i d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c. V\u00ec v\u1eady khi \u0111\u01b0a kh\u00ed tr\u01a1 v\u00e0o b\u00f3ng \u0111\u00e8n s\u1ebd l\u00e0m cho b\u00f3ng \u0111\u00e8n kh\u00f3 b\u1ecb \u0111en h\u01a1n v\u00e0 tu\u1ed5i th\u1ecd b\u00f3ng \u0111\u00e8n c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c l\u00e2u h\u01a1n.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Vonfram; B\u00f3ng \u0111\u00e8n \u0111i\u1ec7n.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
B\u00f3ng \u0111\u00e8n \u0111i\u1ec7n m\u1edbi mua th\u01b0\u1eddng trong s\u00e1ng nh\u01b0ng sau khi d\u00f9ng m\u1ed9t th\u1eddi gian tr\u00ean b\u1ec1 m\u1eb7t thu\u1ef7 tinh b\u00ean trong b\u00f3ng \u0111\u00e8n xu\u1ea5t hi\u1ec7n m\u1ed9t l\u1edbp m\u1edd m\u00e0u \u0111en. B\u00f3ng \u0111\u00e8n b\u1ecb \u0111en kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 chi\u1ebfu s\u00e1ng m\u00e0 \u0111\u00f3 c\u00f2n l\u00e0 d\u1ea5u hi\u1ec7u tu\u1ed5i th\u1ecd b\u00f3ng \u0111\u00e8n kh\u00f4ng c\u00f2n […]<\/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-7984","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\/7984","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=7984"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7984\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}