{"id":452645,"date":"2025-04-22T11:13:22","date_gmt":"2025-04-22T04:13:22","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=452645"},"modified":"2025-04-24T21:04:23","modified_gmt":"2025-04-24T14:04:23","slug":"do-c","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/do-c\/","title":{"rendered":"1 \u0111\u1ed9 C b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 F? C\u00e1ch chuy\u1ec3n \u0111\u1ed5i qua l\u1ea1i gi\u1eefa \u0111\u1ed9 C v\u00e0 \u0111\u1ed9 F tr\u00ean m\u00e1y l\u1ea1nh"},"content":{"rendered":"

B\u1ea1n c\u00f3 bao gi\u1edd nh\u00ecn th\u1ea5y k\u00fd hi\u1ec7u \u00b0F tr\u00ean \u0111i\u1ec1u khi\u1ec3n m\u00e1y l\u1ea1nh v\u00e0 t\u1ef1 h\u1ecfi 1 \u0111\u1ed9 C<\/b><\/strong>\u00a0b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 F? \u0110\u00e2y l\u00e0 th\u1eafc m\u1eafc quen thu\u1ed9c khi s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1eadp kh\u1ea9u ho\u1eb7c c\u00e0i \u0111\u1eb7t ng\u00f4n ng\u1eef ti\u1ebfng Anh. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i gi\u1eefa \u00b0C v\u00e0 \u0111\u1ed9 F kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng m\u00e1y l\u1ea1nh hi\u1ec7u qu\u1ea3 h\u01a1n m\u00e0 c\u00f2n tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng sai l\u1ec7ch trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9. H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 c\u00e1ch quy \u0111\u1ed5i nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n

\u0110\u1ed9 C l\u00e0 g\u00ec?<\/h2>\n

\u0110\u1ed9 C, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed9 Celsius, l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 quen thu\u1ed9c v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn t\u1ea1i Vi\u1ec7t Nam c\u0169ng nh\u01b0 nhi\u1ec1u qu\u1ed1c gia kh\u00e1c tr\u00ean th\u1ebf gi\u1edbi. \u0110\u00e2y l\u00e0 thang \u0111o \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean hai m\u1ed1c quan tr\u1ecdng: 0\u00b0C l\u00e0 \u0111i\u1ec3m n\u01b0\u1edbc b\u1eaft \u0111\u1ea7u \u0111\u00f3ng b\u0103ng v\u00e0 100\u00b0C l\u00e0 \u0111i\u1ec3m n\u01b0\u1edbc s\u00f4i trong \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t ti\u00eau chu\u1ea9n. Nh\u1edd v\u00e0o c\u00e1ch x\u00e1c \u0111\u1ecbnh n\u00e0y, \u00b0C r\u1ea5t d\u1ec5 hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng trong th\u1ef1c t\u1ebf h\u00e0ng ng\u00e0y, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng nh\u01b0 m\u00e1y l\u1ea1nh, t\u1ee7 l\u1ea1nh, \u1ea5m si\u00eau t\u1ed1c hay l\u00f2 vi s\u00f3ng.<\/p>\n

\"do-c\"<\/picture><\/p>\n

Tr\u00ean c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb theo \u0111\u1ed9 C<\/b><\/strong>, gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh m\u1ee9c nhi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u. V\u00ed d\u1ee5, v\u00e0o m\u00f9a h\u00e8, vi\u1ec7c \u0111\u1eb7t m\u00e1y l\u1ea1nh \u1edf m\u1ee9c 26\u00b0C s\u1ebd t\u1ea1o c\u1ea3m gi\u00e1c m\u00e1t m\u1ebb v\u00e0 ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng. Trong khi \u0111\u00f3, n\u1ebfu nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i gi\u1ea3m xu\u1ed1ng kho\u1ea3ng 15\u00b0C, nhi\u1ec1u ng\u01b0\u1eddi s\u1ebd c\u1ea3m th\u1ea5y h\u01a1i l\u1ea1nh v\u00e0 c\u1ea7n t\u0103ng nhi\u1ec7t \u0111\u1ed9 trong ph\u00f2ng \u0111\u1ec3 c\u00e2n b\u1eb1ng.<\/p>\n

Th\u00eam v\u00e0o \u0111\u00f3, vi\u1ec7c hi\u1ec3u r\u00f5 \u00fd ngh\u0129a c\u1ee7a \u0111\u1ed9 C gi\u00fap b\u1ea1n \u0111\u1ecdc \u0111\u00fang c\u00e1c th\u00f4ng s\u1ed1 trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt ho\u1eb7c h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m. M\u1ed7i m\u1ee9c ch\u00eanh l\u1ec7ch nh\u1ecf tr\u00ean thang \u0111\u1ed9 C \u0111\u1ec1u mang l\u1ea1i c\u1ea3m nh\u1eadn kh\u00e1c bi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi b\u1ea1n s\u1ed1ng \u1edf khu v\u1ef1c c\u00f3 th\u1eddi ti\u1ebft thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean.<\/p>\n

\u0110\u1ed9 F l\u00e0 g\u00ec?<\/h2>\n

\u0110\u1ed9 F, hay c\u00f2n g\u1ecdi l\u00e0 \u0111\u1ed9 Fahrenheit, l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn t\u1ea1i M\u1ef9 v\u00e0 m\u1ed9t s\u1ed1 qu\u1ed1c gia kh\u00e1c nh\u01b0 Bahamas, Belize v\u00e0 qu\u1ea7n \u0111\u1ea3o Cayman. \u0110\u00e2y l\u00e0 thang \u0111o \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi \u0110\u1ee9c t\u00ean l\u00e0 Daniel Gabriel Fahrenheit v\u00e0o th\u1ebf k\u1ef7 18. Trong h\u1ec7 \u0111o n\u00e0y, m\u1ed1c 32\u00b0F \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0m \u0111i\u1ec3m n\u01b0\u1edbc \u0111\u00f3ng b\u0103ng, c\u00f2n 212\u00b0F l\u00e0 \u0111i\u1ec3m n\u01b0\u1edbc s\u00f4i, t\u00ednh trong \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t ti\u00eau chu\u1ea9n.<\/p>\n

\"do-c-1\"<\/picture><\/p>\n

V\u1edbi c\u00e1ch chia nh\u01b0 v\u1eady, thang \u0111o Fahrenheit c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao h\u01a1n so v\u1edbi \u0111\u1ed9 C \u1edf<\/b><\/strong>\u00a0c\u00f9ng kho\u1ea3ng nhi\u1ec7t, n\u00ean \u0111\u00f4i khi \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c l\u0129nh v\u1ef1c \u0111\u00f2i h\u1ecfi t\u00ednh ch\u00ednh x\u00e1c cao. Tuy nhi\u00ean, v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi quen d\u00f9ng \u0111\u1ed9 C, c\u00e1c con s\u1ed1 tr\u00ean thang Fahrenheit c\u00f3 th\u1ec3 g\u00e2y nh\u1ea7m l\u1eabn n\u1ebfu kh\u00f4ng bi\u1ebft c\u00e1ch quy \u0111\u1ed5i. Ch\u1eb3ng h\u1ea1n, nhi\u1ec7t \u0111\u1ed9 98.6\u00b0F l\u00e0 m\u1ee9c nhi\u1ec7t b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u01a1 th\u1ec3 ng\u01b0\u1eddi, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi kho\u1ea3ng 37\u00b0C \u2013 m\u1ed9t con s\u1ed1 quen thu\u1ed9c h\u01a1n v\u1edbi ng\u01b0\u1eddi Vi\u1ec7t.<\/p>\n

Trong th\u1ef1c t\u1ebf, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p \u0111\u01a1n v\u1ecb \u0111\u1ed9 F tr\u00ean c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1eadp kh\u1ea9u, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e1y l\u1ea1nh, m\u00e1y s\u01b0\u1edfi ho\u1eb7c \u0111\u1ed3ng h\u1ed3 \u0111o nhi\u1ec7t \u0111\u1ed9. Khi g\u1eb7p c\u00e1c k\u00fd hi\u1ec7u n\u00e0y, vi\u1ec7c hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ed9 F s\u1ebd gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u00fang c\u00e1ch v\u00e0 tho\u1ea3i m\u00e1i h\u01a1n.<\/p>\n

1 \u0111\u1ed9 C b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 F?<\/h2>\n

1 \u00b0C\u00a0b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 F? \u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p khi s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1eadp kh\u1ea9u ho\u1eb7c \u0111i du l\u1ecbch \u0111\u1ebfn nh\u1eefng qu\u1ed1c gia s\u1eed d\u1ee5ng h\u1ec7 \u0111o Fahrenheit. C\u00e2u tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c l\u00e0 1 \u00b0C\u00a0t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 33,8 \u0111\u1ed9 F. \u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c con s\u1ed1 n\u00e0y, ta \u00e1p d\u1ee5ng c\u00f4ng th\u1ee9c chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 chu\u1ea9n:<\/p>\n

\u00b0F = (\u00b0C \u00d7 9\/5) + 32<\/b><\/strong><\/p>\n

Theo \u0111\u00f3, ch\u1ec9 c\u1ea7n l\u1ea5y gi\u00e1 tr\u1ecb \u00b0C\u00a0nh\u00e2n v\u1edbi 9, sau \u0111\u00f3 chia cho 5 v\u00e0 c\u1ed9ng th\u00eam 32, b\u1ea1n s\u1ebd c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 quy \u0111\u1ed5i sang \u0111\u1ed9 F. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n c\u1ea7n bi\u1ebft 25\u00b0C l\u00e0 bao nhi\u00eau \u0111\u1ed9 F, ch\u1ec9 c\u1ea7n t\u00ednh nh\u01b0 sau: (25 \u00d7 9\/5) + 32 = 77\u00b0F<\/b><\/strong>.<\/p>\n

\"do-c-2\"<\/picture><\/p>\n

Vi\u1ec7c n\u1eafm r\u00f5 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i gi\u1eefa hai \u0111\u01a1n v\u1ecb n\u00e0y r\u1ea5t h\u1eefu \u00edch, \u0111\u1eb7c bi\u1ec7t khi b\u1ea1n s\u1eed d\u1ee5ng m\u00e1y l\u1ea1nh c\u00f3 b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ti\u1ebfng Anh, ho\u1eb7c c\u1ea7n \u0111\u1ecdc th\u00f4ng tin nhi\u1ec7t \u0111\u1ed9 tr\u00ean c\u00e1c thi\u1ebft b\u1ecb \u0111o nhi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp m\u1eb7c \u0111\u1ecbnh theo h\u1ec7 Fahrenheit.<\/p>\n

\u1ede m\u1ed9t s\u1ed1 d\u00f2ng m\u00e1y l\u1ea1nh cao c\u1ea5p, ng\u01b0\u1eddi d\u00f9ng c\u00f2n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb hi\u1ec3n th\u1ecb nhi\u1ec7t \u0111\u1ed9 gi\u1eefa \u00b0C v\u00e0 \u00b0F m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng trong ph\u1ea7n c\u00e0i \u0111\u1eb7t. Tuy nhi\u00ean, trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u00f3 t\u00f9y ch\u1ecdn \u0111\u00f3, vi\u1ec7c ghi nh\u1edb ho\u1eb7c bi\u1ebft c\u00e1ch t\u00ednh nhanh s\u1ebd gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng.<\/p>\n

C\u00e1ch chuy\u1ec3n \u0111\u1ed5i qua l\u1ea1i gi\u1eefa \u0111\u1ed9 C v\u00e0 \u0111\u1ed9 F tr\u00ean m\u00e1y l\u1ea1nh<\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng t\u1ed5ng h\u1ee3p c\u00e1ch \u0111\u1ed5i \u0111\u1ed9 F sang \u00b0C tr\u00ean m\u00e1y l\u1ea1nh theo t\u1eebng th\u01b0\u01a1ng hi\u1ec7u.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
STT<\/strong><\/td>\nLo\u1ea1i m\u00e1y l\u1ea1nh<\/strong><\/td>\nThao t\u00e1c chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed9 F sang \u0111\u1ed9 C<\/strong><\/td>\n<\/tr>\n
1<\/td>\nElectrolux<\/strong><\/td>\nNh\u1ea5n c\u00f9ng l\u00fac 2 n\u00fat t\u0103ng v\u00e0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 cho \u0111\u1ebfn khi chuy\u1ec3n sang \u0111\u01a1n v\u1ecb \u0111\u1ed9 C.<\/td>\n<\/tr>\n
2<\/td>\nPanasonic<\/strong><\/td>\nNh\u1ea5n gi\u1eef n\u00fat m\u0169i t\u00ean xu\u1ed1ng trong ph\u1ea7n h\u1eb9n gi\u1edd (Timer) kho\u1ea3ng 10 gi\u00e2y.<\/td>\n<\/tr>\n
3<\/td>\nCasper<\/strong><\/td>\nM\u1eabu tr\u01b0\u1edbc 2018: nh\u1ea5n n\u00fat \u00b0C\/\u00b0F. T\u1eeb 2019\u20132020: gi\u1eef Smart + Timer 3\u20135 gi\u00e2y. T\u1eeb 2021: gi\u1eef Cool + Heat.<\/td>\n<\/tr>\n
4<\/td>\nDaikin<\/strong><\/td>\nNh\u1ea5n \u0111\u1ed3ng th\u1eddi n\u00fat t\u0103ng v\u00e0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 cho \u0111\u1ebfn khi th\u1ea5y hi\u1ec3n th\u1ecb chuy\u1ec3n v\u1ec1 \u0111\u1ed9 C.<\/td>\n<\/tr>\n
5<\/td>\nToshiba<\/strong><\/td>\nTh\u00e1o pin ra kh\u1ecfi \u0111i\u1ec1u khi\u1ec3n v\u00e0 l\u1eafp l\u1ea1i \u0111\u1ec3 h\u1ec7 th\u1ed1ng kh\u00f4i ph\u1ee5c \u0111\u01a1n v\u1ecb m\u1eb7c \u0111\u1ecbnh.<\/td>\n<\/tr>\n
6<\/td>\nMitsubishi Heavy<\/strong><\/td>\nTh\u00e1o pin \u0111i\u1ec1u khi\u1ec3n ra v\u00e0 g\u1eafn l\u1ea1i.<\/td>\n<\/tr>\n
7<\/td>\nAqua<\/strong><\/td>\nNh\u1ea5n \u0111\u1ed3ng th\u1eddi n\u00fat MODE v\u00e0 n\u00fat gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 chuy\u1ec3n \u0111\u01a1n v\u1ecb.<\/td>\n<\/tr>\n
8<\/td>\nLG (lo\u1ea1i 18 n\u00fat)<\/strong><\/td>\nNh\u1ea5n gi\u1eef n\u00fat Temp Room tr\u00ean remote.<\/td>\n<\/tr>\n
9<\/td>\nLG (lo\u1ea1i 9 n\u00fat)<\/strong><\/td>\nTh\u00e1o pin \u0111i\u1ec1u khi\u1ec3n ra trong kho\u1ea3ng 12 ti\u1ebfng r\u1ed3i l\u1eafp l\u1ea1i.<\/td>\n<\/tr>\n
10<\/td>\nSamsung<\/strong><\/td>\nTh\u00e1o pin \u0111i\u1ec1u khi\u1ec3n v\u00e0 l\u1eafp l\u1ea1i \u0111\u1ec3 kh\u00f4i ph\u1ee5c \u0111\u01a1n v\u1ecb nhi\u1ec7t \u0111\u1ed9.<\/td>\n<\/tr>\n
11<\/td>\nMidea<\/strong><\/td>\nGi\u1eef n\u00fat On\/Off v\u00e0 Timer trong 7 gi\u00e2y, sau \u0111\u00f3 ch\u1ecdn giao di\u1ec7n th\u1ee9 4 khi hi\u1ec3n th\u1ecb.<\/td>\n<\/tr>\n
12<\/td>\nTCL<\/strong><\/td>\nSau khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i m\u00e1y, nh\u1ea5n n\u00fat Sleep 8 l\u1ea7n trong v\u00f2ng 3 ph\u00fat.<\/td>\n<\/tr>\n
13<\/td>\nMitsubishi Electric<\/strong><\/td>\nTh\u00e1o pin \u0111i\u1ec1u khi\u1ec3n ra v\u00e0 l\u1eafp l\u1ea1i \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb hi\u1ec3n th\u1ecb.<\/td>\n<\/tr>\n
14<\/td>\nSharp<\/strong><\/td>\nG\u1ee1 pin \u0111i\u1ec1u khi\u1ec3n ra r\u1ed3i g\u1eafn l\u1ea1i \u0111\u1ec3 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n v\u1ec1 \u0111\u1ed9 C.<\/td>\n<\/tr>\n
15<\/td>\nNagakawa<\/strong><\/td>\nTh\u00e1o pin \u0111i\u1ec1u khi\u1ec3n v\u00e0 l\u1eafp l\u1ea1i \u0111\u1ec3 chuy\u1ec3n \u0111\u01a1n v\u1ecb.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

N\u00ean s\u1eed d\u1ee5ng \u00b0C hay \u0111\u1ed9 F \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9?<\/h2>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa \u0111\u1ed9 C <\/b><\/strong>v\u00e0 \u0111\u1ed9 F \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o n\u01a1i sinh s\u1ed1ng, th\u00f3i quen s\u1eed d\u1ee5ng v\u00e0 m\u1ee5c \u0111\u00edch c\u1ee5 th\u1ec3. M\u1ed7i h\u1ec7 \u0111o c\u00f3 c\u00e1ch bi\u1ec3u th\u1ecb kh\u00e1c nhau, tuy nhi\u00ean \u0111\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau gi\u00fap con ng\u01b0\u1eddi hi\u1ec3u v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n

\u0110\u1ed9 \u00b0C, hay c\u00f2n g\u1ecdi l\u00e0 \u0111\u1ed9 Celsius, l\u00e0 h\u1ec7 \u0111o quen thu\u1ed9c t\u1ea1i Vi\u1ec7t Nam v\u00e0 ph\u1ea7n l\u1edbn c\u00e1c qu\u1ed1c gia tr\u00ean th\u1ebf gi\u1edbi. Nh\u1edd d\u1ef1a v\u00e0o hai m\u1ed1c r\u00f5 r\u00e0ng \u2013 0\u00b0C l\u00e0 \u0111i\u1ec3m n\u01b0\u1edbc \u0111\u00f3ng b\u0103ng v\u00e0 100\u00b0C l\u00e0 \u0111i\u1ec3m s\u00f4i \u2013 n\u00ean h\u1ec7 th\u1ed1ng n\u00e0y r\u1ea5t d\u1ec5 ghi nh\u1edb. Trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y, \u00b0C th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft, \u0111o nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng ho\u1eb7c trong n\u1ea5u \u0103n. Ngo\u00e0i ra, nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed gia d\u1ee5ng nh\u01b0 m\u00e1y l\u1ea1nh, l\u00f2 n\u01b0\u1edbng, ho\u1eb7c nhi\u1ec7t k\u1ebf c\u0169ng hi\u1ec3n th\u1ecb \u0111\u01a1n v\u1ecb n\u00e0y \u0111\u1ec3 ti\u1ec7n theo d\u00f5i.<\/p>\n

\"do-c-3\"<\/picture><\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed9 F \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu t\u1ea1i M\u1ef9 v\u00e0 m\u1ed9t s\u1ed1 n\u01b0\u1edbc kh\u00e1c. Thang \u0111o n\u00e0y c\u00f3 \u0111\u1ed9 chi ti\u1ebft cao h\u01a1n trong kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 nh\u1ecf, v\u00ec th\u1ebf \u0111\u00f4i khi \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong vi\u1ec7c \u0111o nhi\u1ec7t \u0111\u1ed9 c\u01a1 th\u1ec3 ho\u1eb7c m\u00f4i tr\u01b0\u1eddng sinh s\u1ed1ng. Tuy nhi\u00ean, v\u1edbi nh\u1eefng ai \u0111\u00e3 quen d\u00f9ng \u0111\u1ed9 C<\/b><\/strong>, c\u00e1c con s\u1ed1 c\u1ee7a \u0111\u1ed9 F c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 h\u00ecnh dung n\u1ebfu kh\u00f4ng quy \u0111\u1ed5i.<\/p>\n

T\u1ea1i Vi\u1ec7t Nam, vi\u1ec7c s\u1eed d\u1ee5ng \u00b0C l\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd v\u00e0 thu\u1eadn ti\u1ec7n nh\u1ea5t. Vi\u1ec7c thi\u1ebft l\u1eadp l\u1ea1i m\u00e1y l\u1ea1nh, nhi\u1ec7t k\u1ebf hay c\u00e1c thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb sang \u00b0C gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng theo d\u00f5i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh h\u01a1n trong m\u1ecdi t\u00ecnh hu\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n

M\u1ed9t s\u1ed1 \u0111\u1ea1i l\u01b0\u1ee3ng \u0111o nhi\u1ec7t \u0111\u1ed9 kh\u00e1c<\/h2>\n

Ngo\u00e0i \u0111\u1ed9 C<\/b><\/strong>\u00a0(Celsius) v\u00e0 \u0111\u1ed9 F (Fahrenheit), c\u00f2n m\u1ed9t s\u1ed1 \u0111\u1ea1i l\u01b0\u1ee3ng \u0111o nhi\u1ec7t \u0111\u1ed9 kh\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c chuy\u00ean bi\u1ec7t. M\u1ed7i \u0111\u01a1n v\u1ecb c\u00f3 ngu\u1ed3n g\u1ed1c, c\u00e1ch t\u00ednh v\u00e0 ph\u1ea1m vi \u1ee9ng d\u1ee5ng ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng m\u1ee5c \u0111\u00edch nghi\u00ean c\u1ee9u hay k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111\u1ea1i l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn:<\/p>\n

\u0110\u1ed9 Kelvin (K)<\/h3>\n

\u0110\u1ed9 Kelvin l\u00e0 \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 thu\u1ed9c h\u1ec7 \u0111o l\u01b0\u1eddng qu\u1ed1c t\u1ebf (SI) v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c ng\u00e0nh khoa h\u1ecdc t\u1ef1 nhi\u00ean nh\u01b0 v\u1eadt l\u00fd, h\u00f3a h\u1ecdc, thi\u00ean v\u0103n h\u1ecdc. Kh\u00e1c v\u1edbi \u00b0C\u00a0hay \u0111\u1ed9 F, thang Kelvin kh\u00f4ng s\u1eed d\u1ee5ng s\u1ed1 \u00e2m. \u0110i\u1ec3m b\u1eaft \u0111\u1ea7u c\u1ee7a thang \u0111o n\u00e0y l\u00e0 0 K, t\u01b0\u01a1ng \u1ee9ng v\u1edbi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong v\u0169 tr\u1ee5 \u2013 n\u01a1i c\u00e1c ph\u00e2n t\u1eed ho\u00e0n to\u00e0n \u0111\u1ee9ng y\u00ean. Gi\u00e1 tr\u1ecb n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi -273,15\u00b0C. Thang \u0111o Kelvin gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1eadn ti\u1ec7n h\u01a1n trong c\u00e1c t\u00ednh to\u00e1n, nh\u1ea5t l\u00e0 trong c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh nhi\u1ec7t \u0111\u1ed9ng l\u1ef1c h\u1ecdc.<\/p>\n

\"do-c-4\"<\/picture><\/p>\n

\u0110\u1ed9 Rankine (\u00b0R ho\u1eb7c \u00b0Ra)<\/h3>\n

\u0110\u1ed9 Rankine l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 \u00edt g\u1eb7p trong \u0111\u1eddi s\u1ed1ng th\u01b0\u1eddng ng\u00e0y, nh\u01b0ng l\u1ea1i kh\u00e1 quen thu\u1ed9c trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf Hoa K\u1ef3. \u0110\u01a1n v\u1ecb n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean \u0111\u1ed9 Fahrenheit n\u00ean \u0111i\u1ec3m 0\u00b0R t\u01b0\u01a1ng \u1ee9ng v\u1edbi -459,67\u00b0F \u2013 m\u1ee9c th\u1ea5p nh\u1ea5t tr\u00ean thang \u0111o n\u00e0y. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 Kelvin, thang Rankine kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb \u00e2m v\u00e0 c\u0169ng b\u1eaft \u0111\u1ea7u t\u1eeb kh\u00f4ng tuy\u1ec7t \u0111\u1ed1i.<\/p>\n

Tuy nhi\u00ean, thay v\u00ec s\u1eed d\u1ee5ng \u0111\u1ed9 C<\/b><\/strong>\u00a0\u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c m\u1ee9c, Rankine s\u1eed d\u1ee5ng \u0111\u1ed9 F. \u0110i\u1ec1u n\u00e0y khi\u1ebfn 1\u00b0R t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 1\u00b0F, gi\u00fap c\u00e1c k\u1ef9 s\u01b0 t\u1ea1i M\u1ef9 d\u1ec5 d\u00e0ng \u00e1p d\u1ee5ng trong c\u00e1c ph\u00e9p t\u00ednh k\u1ef9 thu\u1eadt m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ed5i \u0111\u01a1n v\u1ecb. D\u00f9 kh\u00f4ng ph\u1ed5 bi\u1ebfn nh\u01b0 Kelvin hay Celsius, Rankine v\u1eabn \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong m\u1ed9t s\u1ed1 ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 h\u00e0ng kh\u00f4ng, s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 nghi\u00ean c\u1ee9u h\u1ec7 th\u1ed1ng nhi\u1ec7t \u0111\u1ed9ng.<\/p>\n

\"do-c-5\"<\/picture><\/p>\n

\u0110\u1ed9 R\u00e9aumur (\u00b0R\u00e9 ho\u1eb7c \u00b0Re)<\/h3>\n

\u0110\u1ed9 R\u00e9aumur t\u1eebng l\u00e0 m\u1ed9t trong nh\u1eefng thang \u0111o nhi\u1ec7t \u0111\u1ed9 ph\u1ed5 bi\u1ebfn t\u1ea1i ch\u00e2u \u00c2u, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong th\u1ebf k\u1ef7 18 v\u00e0 \u0111\u1ea7u th\u1ebf k\u1ef7 19. Thang \u0111o n\u00e0y \u0111\u01b0\u1ee3c ph\u00e1t minh b\u1edfi nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi Ph\u00e1p Ren\u00e9 Antoine Ferchault de R\u00e9aumur. Trong h\u1ec7 th\u1ed1ng n\u00e0y, \u0111i\u1ec3m \u0111\u00f3ng b\u0103ng c\u1ee7a n\u01b0\u1edbc \u0111\u01b0\u1ee3c quy \u01b0\u1edbc l\u00e0 0\u00b0Re, c\u00f2n \u0111i\u1ec3m s\u00f4i l\u00e0 80\u00b0Re, \u0111i\u1ec1u n\u00e0y t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t so v\u1edbi thang Celsius c\u00f3 kho\u1ea3ng c\u00e1ch l\u00e0 100 \u0111\u01a1n v\u1ecb.<\/p>\n

\"do-c-11\"<\/picture><\/p>\n

M\u1eb7c d\u00f9 hi\u1ec7n nay \u0111\u1ed9 R\u00e9aumur kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong khoa h\u1ecdc hay k\u1ef9 thu\u1eadt, nh\u01b0ng n\u00f3 v\u1eabn xu\u1ea5t hi\u1ec7n trong m\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c truy\u1ec1n th\u1ed1ng, v\u00ed d\u1ee5 nh\u01b0 s\u1ea3n xu\u1ea5t ph\u00f4 mai hay n\u1ea5u \u0103n t\u1ea1i m\u1ed9t v\u00e0i qu\u1ed1c gia ch\u00e2u \u00c2u.<\/p>\n

T\u1ea1m k\u1ebft<\/h2>\n

Nh\u00ecn chung, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i gi\u1eefa \u0111\u1ed9 C<\/b><\/strong>\u00a0v\u00e0 \u0111\u1ed9 F kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng m\u00e1y l\u1ea1nh hi\u1ec7u qu\u1ea3 h\u01a1n m\u00e0 c\u00f2n tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng sai l\u1ec7ch kh\u00f4ng mong mu\u1ed1n trong qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9. D\u00f9 b\u1ea1n \u0111ang sinh s\u1ed1ng t\u1ea1i Vi\u1ec7t Nam hay s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb nh\u1eadp kh\u1ea9u, n\u1eafm \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n n\u00e0y s\u1ebd mang l\u1ea1i s\u1ef1 ch\u1ee7 \u0111\u1ed9ng v\u00e0 ti\u1ec7n l\u1ee3i trong cu\u1ed9c s\u1ed1ng h\u1eb1ng ng\u00e0y.<\/p>\n

Xem th\u00eam:<\/p>\n

H\u01b0\u1edbng d\u1eabn c\u00e1ch chuy\u1ec3n t\u1eeb \u0111\u1ed9 F sang \u0111\u1ed9 C \u0111i\u1ec1u h\u00f2a Casper chi ti\u1ebft nh\u1ea5t<\/b><\/u><\/strong><\/a><\/p>\n

C\u00e1ch ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 CPU t\u1ea1i nh\u00e0 \u0111\u01a1n gi\u1ea3n v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t<\/b><\/u><\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

B\u1ea1n c\u00f3 bao gi\u1edd nh\u00ecn th\u1ea5y k\u00fd hi\u1ec7u \u00b0F tr\u00ean \u0111i\u1ec1u khi\u1ec3n m\u00e1y l\u1ea1nh v\u00e0 t\u1ef1 h\u1ecfi 1 \u0111\u1ed9 C\u00a0b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 F? \u0110\u00e2y l\u00e0 th\u1eafc m\u1eafc quen thu\u1ed9c khi s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1eadp kh\u1ea9u ho\u1eb7c c\u00e0i \u0111\u1eb7t ng\u00f4n ng\u1eef ti\u1ebfng Anh. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i gi\u1eefa \u00b0C […]<\/p>\n","protected":false},"author":83,"featured_media":452652,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3910,30453],"tags":[],"class_list":["post-452645","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kham-pha","category-kien-thuc"],"yoast_head":"\n1 \u0111\u1ed9 C b\u1eb1ng bao nhi\u00eau \u0111\u1ed9 F? 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