{"id":1195,"date":"2021-10-09T00:51:57","date_gmt":"2021-10-09T00:51:57","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=1195"},"modified":"2021-10-14T22:12:04","modified_gmt":"2021-10-14T15:12:04","slug":"dinh-luat-bao-toan-nang-luong-la-gi-kien-thuc-ly-9","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/dinh-luat-bao-toan-nang-luong-la-gi-kien-thuc-ly-9\/","title":{"rendered":"\u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng l\u00e0 g\u00ec? Ki\u1ebfn th\u1ee9c l\u00fd 9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 th\u1ec3 b\u1ea1n ch\u01b0a bi\u1ebft, \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00f4n v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc. N\u00f3 l\u00e0 c\u01a1 s\u1edf v\u00e0 t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho nhi\u1ec1u b\u01b0\u1edbc ph\u00e1t tri\u1ec3n r\u1ed9ng m\u1edf sau n\u00e0y. B\u1edfi v\u1eady, b\u1ea1n n\u00ean h\u1ecdc th\u1eadt k\u1ef9 v\u00e0 n\u1eafm ch\u1eafc l\u00fd thuy\u1ebft quan tr\u1ecdng n\u00e0y. Ch\u00fang t\u00f4i gi\u1edbi thi\u1ec7u cho b\u1ea1n \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng, ngo\u00e0i ra \u0111i k\u00e8m c\u1ea3 b\u00e0i t\u1eadp \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o. Th\u1ebf n\u00ean, \u0111\u00e2y ch\u1eafc ch\u1eafn l\u00e0 b\u00e0i vi\u1ebft c\u1ef1c k\u1ef3 \u0111\u00e1ng \u0111\u1ecdc v\u1edbi c\u00e1c em <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> l\u1edbp 9. C\u00f9ng b\u1eaft \u0111\u1ea7u ngay th\u00f4i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u01a1 s\u1edf h\u00ecnh th\u00e0nh \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi bi\u1ebft \u0111\u1ebfn \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n, ng\u01b0\u1eddi ta \u0111\u00e3 nh\u00ecn th\u1ea5y s\u1ef1 bi\u1ebfn \u0111\u1ed5i th\u1ebf n\u0103ng th\u00e0nh \u0111\u1ed9ng n\u0103ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. C\u00f3 th\u1ec3 n\u00f3i r\u1eb1ng c\u01a1 n\u0103ng lu\u00f4n lu\u00f4n gi\u1ea3m. Trong c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean, s\u1ebd nh\u00ecn th\u1ea5y s\u1ef1 bi\u1ebfn \u0111\u1ed5i r\u00f5 r\u00e0ng gi\u1eefa th\u1ebf n\u0103ng v\u00e0 \u0111\u1ed9ng n\u0103ng. Nh\u1eefng ph\u1ea7n c\u01a1 n\u0103ng b\u1ecb hao h\u1ee5t \u0111i \u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh th\u1ebf n\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu nh\u01b0 c\u01a1 n\u0103ng c\u1ee7a v\u1eadt \u0111\u01b0\u1ee3c t\u0103ng th\u00eam so v\u1edbi ban \u0111\u1ea7u. Ta c\u00f3 th\u1ec3 th\u1ea5y ph\u1ea7n t\u0103ng th\u00eam \u0111\u00f3 ch\u00ednh l\u00e0 do n\u0103ng l\u01b0\u1ee3ng kh\u00e1c \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a m\u00e0 th\u00e0nh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi tr\u01b0\u1eddng h\u1ee3p c\u01a1 n\u0103ng \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i th\u00e0nh \u0111i\u1ec7n n\u0103ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, s\u1ef1 hao h\u1ee5t c\u01a1 n\u0103ng c\u00f3 x\u1ea3y ra. Trong \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, ta th\u1ea5y ph\u1ea7n l\u1edbn \u0111i\u1ec7n n\u0103ng s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n h\u00f3a tr\u1edf th\u00e0nh c\u01a1 n\u0103ng. C\u00f2n b\u00ean trong c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n, c\u00e1c c\u01a1 n\u0103ng ph\u1ea7n l\u1edbn s\u1ebd chuy\u1ec3n h\u00f3a th\u00e0nh \u0111i\u1ec7n n\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e1t bi\u1ec3u \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng nh\u01b0 sau: N\u0103ng l\u01b0\u1ee3ng s\u1ebd kh\u00f4ng t\u1ef1 nhi\u00ean sinh ra hay t\u1ef1 nhi\u00ean m\u1ea5t \u0111i. Ch\u00fang ch\u1ec9 chuy\u1ec3n t\u1eeb d\u1ea1ng n\u00e0y sang \u0111\u1ebfn d\u1ea1ng kh\u00e1c, ho\u1eb7c truy\u1ec1n t\u1eeb v\u1eadt n\u00e0y sang \u0111\u1ebfn v\u1eadt kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c gi\u1ea3i th\u00edch n\u00e0y c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u1ee9ng v\u1edbi gi\u1ea3i th\u00edch c\u01a1 n\u0103ng c\u1ee7a v\u1eadt t\u1ea1i sao l\u1ea1i t\u0103ng l\u00ean ho\u1eb7c gi\u1ea3m xu\u1ed1ng. Ngo\u00e0i ra c\u0169ng gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c t\u1ea1i sao v\u1eadt l\u1ea1i n\u00f3ng l\u00ean hay b\u1ecb ngu\u1ed9i \u0111i. Ch\u00fang d\u1ef1a v\u00e0o s\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng t\u1eeb d\u1ea1ng n\u00e0y chuy\u1ec3n th\u00e0nh d\u1ea1ng kh\u00e1c ho\u1eb7c l\u00e0 t\u1eeb v\u1eadt n\u00e0y th\u00e0nh v\u1eadt kh\u00e1c \u1edf trong hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t, \u0111i\u1ec7n ho\u1eb7c c\u01a1 trong t\u1ef1 nhi\u00ean. Ngo\u00e0i ra, ch\u00fang c\u0169ng d\u1ef1a v\u00e0o \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n \u0111\u1ec3 kh\u1eb3ng \u0111\u1ecbnh s\u1ef1 chuy\u1ec3n \u0111\u1ed5i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp v\u00e0 l\u1eddi gi\u1ea3i \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i h\u1ecdc c\u00e1c em <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> h\u1ecdc \u0111\u01b0\u1ee3c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00f4ng qua \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng, c\u00e1c em <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u ki\u1ebfn th\u1ee9c. C\u00e1c em b\u1eaft bu\u1ed9c ph\u1ea3i bi\u1ebft \u0111\u01b0\u1ee3c th\u00f4ng tin v\u1ec1 s\u1ef1 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng b\u00ean trong c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec7t, \u0111i\u1ec7n v\u00e0 c\u01a1. Ngo\u00e0i ra hi\u1ec3u v\u00e0 thu\u1ed9c \u0111\u01b0\u1ee3c \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng \u0111\u1ec3 s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp v\u1eadn d\u1ee5ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 1: Trong nh\u00e0 m\u00e1y th\u1ee7y \u0111i\u1ec7n c\u00f3 s\u1eed d\u1ee5ng m\u1ed9t tua bin. Khi tua bin n\u00e0y quay, ta c\u00f3 th\u1ec3 th\u1ea5y \u00e1y ph\u00e1t \u0111i\u1ec7n quay theo. T\u1eeb \u0111\u00f3 cung c\u1ea5p cho ta n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u1ec3 s\u1eed d\u1ee5ng. Tua bin n\u00e0y quay li\u00ean t\u1ee5c l\u00e0 nh\u1edd n\u01b0\u1edbc \u1edf h\u1ed3 ch\u1ee9a s\u1eb5n. Th\u1ebf n\u00ean ta kh\u00f4ng c\u1ea7n ph\u1ea3i m\u1ea5t c\u00f4ng \u0111\u1ec3 b\u01a1m l\u00ean. V\u1eady tua bin n\u00e0y c\u00f3 ph\u1ea3i l\u00e0 m\u1ed9t \u0111\u1ed9ng c\u01a1 v\u0129nh c\u1eedu hay kh\u00f4ng? V\u00ec sao?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 2: M\u1ed9t c\u00e2y b\u00faa m\u00e1y khi r\u01a1i t\u1ef1 do t\u1eeb \u0111\u1ed9 cao h xu\u1ed1ng, ch\u00fang d\u1eadp v\u00e0o \u0111\u1ea7u m\u1ed9t c\u00e1i c\u1ecdc s\u1eaft \u1edf d\u01b0\u1edbi \u0111\u1ea5t. H\u00e3y d\u1ef1a v\u00e0o \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng, d\u1ef1 \u0111o\u00e1n xem b\u00faa \u0111\u1eadp v\u00e0o c\u1ecdc s\u1ebd c\u00f3 nh\u1eefng d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng n\u00e0o xu\u1ea5t hi\u1ec7n? Hi\u1ec7n t\u01b0\u1ee3ng g\u00ec c\u00f3 th\u1ec3 x\u1ea3y ra k\u00e8m theo?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 3: M\u1ed9t qu\u1ea3 b\u00f3ng cao su c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00e9m t\u1eeb \u0111\u1ed9 cao h, xu\u1ed1ng d\u01b0\u1edbi n\u1ec1n \u0111\u1ea5t c\u1ee9ng v\u00e0 sau \u0111\u00f3 b\u1ecb n\u1ea3y l\u00ean. Sau m\u1ed7i l\u1ea7n n\u1ea3y, \u0111\u1ed9 cao c\u1ee7a b\u00f3ng s\u1ebd gi\u1ea3m d\u1ea7n, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u01a1 n\u0103ng c\u0169ng s\u1ebd gi\u1ea3m d\u1ea7n. V\u1eady n\u00f3 c\u00f3 tr\u00e1i v\u1edbi \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n c\u00e1c n\u0103ng l\u01b0\u1ee3ng nh\u01b0 \u0111\u00e3 n\u00eau tr\u00ean kh\u00f4ng? T\u1ea1i sao l\u1ea1i nh\u01b0 v\u1eady? H\u00e3y th\u1eed d\u1ef1 \u0111o\u00e1n xem hi\u1ec7n t\u01b0\u1ee3ng g\u00ec x\u1ea3y \u0111\u1ebfn v\u1edbi qu\u1ea3 b\u00f3ng ngo\u00e0i vi\u1ec7c b\u1ecb n\u1ea3y l\u00ean v\u00e0 xu\u1ed1ng?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 4: T\u00ecm hi\u1ec3u t\u01b0\u1ee3ng kh\u00f4ng tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n v\u00e0 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A B\u00e0n l\u00e0 ngu\u1ed9i \u0111i khi t\u1eaft \u0111i\u1ec7n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B B\u1ebfp ngu\u1ed9i \u0111i khi t\u1eaft l\u1eeda<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C Xe d\u1eebng l\u1ea1i khi b\u1ecb t\u1eaft m\u00e1y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng n\u00e0o n\u00eau tr\u00ean tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e1p \u00e1n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 1: Tua bin n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tua bin v\u0129nh c\u1eedu. N\u1ebfu nh\u01b0 mu\u1ed1n cho tua bin ch\u1ea1y, ta c\u1ea7n ph\u1ea3i cung c\u1ea5p cho n\u00f3 n\u0103ng l\u01b0\u1ee3ng t\u1eeb tr\u00ean cao ch\u1ea3y xu\u1ed1ng. Tuy ta kh\u00f4ng b\u01a1m n\u01b0\u1edbc l\u00ean, th\u1ebf nh\u01b0ng ch\u00ednh nh\u1edd m\u1eb7t tr\u1eddi \u0111\u00e3 cung c\u1ea5p nhi\u1ec7t n\u0103ng cho n\u00f3. T\u1eeb \u0111\u00f3 n\u01b0\u1edbc b\u1ed1c h\u01a1i l\u00ean tr\u00ean cao v\u00e0 tr\u1edf th\u00e0nh m\u00e2y. M\u00e2y l\u00e0m cho m\u01b0a r\u01a1i xu\u1ed1ng ph\u1ea7n h\u1ed3 ch\u1ee9a n\u01b0\u1edbc \u1edf tr\u00ean cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 2: C\u00f3 th\u1ec3 gi\u1ea3i th\u00edch \u0111\u01b0\u1ee3c nh\u01b0 sau. Nhi\u1ec7t n\u0103ng s\u1ebd l\u00e0m cho \u0111\u1ea7u c\u1ecdc b\u1ecb \u0111\u1eadp m\u1ea1nh v\u00e0 n\u00f3ng l\u00ean. C\u00f2n c\u01a1 n\u0103ng s\u1ebd gi\u00fap cho c\u1ecdc \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed9ng v\u00e0 ng\u1eadp s\u00e2u v\u00e0o b\u00ean trong \u0111\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 3: \u0110i\u1ec1u n\u00e0y kh\u00f4ng tr\u00e1i v\u1edbi \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n. L\u00fd do l\u00e0 b\u1edfi m\u1ed9t ph\u1ea7n c\u01a1 n\u0103ng c\u1ee7a qu\u1ea3 b\u00f3ng \u0111\u00e3 chuy\u1ec3n th\u00e0nh nhi\u1ec7t n\u0103ng. Khi m\u00e0 qu\u1ea3 b\u00f3ng \u0111\u1eadp v\u00e0o \u0111\u1ea5t, m\u1ed9t ph\u1ea7n trong ch\u00fang \u0111\u00e3 truy\u1ec1n v\u00e0o kh\u00f4ng kh\u00ed v\u00e0 t\u1eeb \u0111\u00f3, l\u00e0m cho c\u00e1c ph\u00e2n t\u1eed kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i 4: \u0110\u00e1p \u00e1n D.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng r\u1ea5t c\u1ea7n thi\u1ebft<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00f4ng tin m\u1edf r\u1ed9ng v\u1ec1 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu nh\u01b0 b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n v\u1ec1 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n v\u00e0 chuy\u1ec3n h\u00f3a n\u0103ng l\u01b0\u1ee3ng, b\u1ea1n n\u00ean \u0111\u1ecdc th\u00eam ph\u1ea7n n\u00e0y. \u0110\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin m\u1edf r\u1ed9ng v\u1ec1 \u0111\u1ecbnh lu\u1eadt \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i nghi\u00ean c\u1ee9u. Bi\u1ebft \u0111\u1ebfn nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd gi\u00fap cho b\u1ea1n hi\u1ec3u v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ecbnh lu\u1eadt th\u00f4ng minh h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng kh\u00e1c v\u1edbi b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Theo v\u1eadt l\u00fd c\u1ed5 \u0111i\u1ec3n, b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng gi\u1ed1ng v\u1edbi b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng. Th\u1ebf nh\u01b0ng, theo thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1eb7c bi\u1ec7t, n\u00f3 cho th\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng c\u00f3 li\u00ean quan m\u1eadt thi\u1ebft \u0111\u1ebfn n\u0103ng l\u01b0\u1ee3ng. Khoa h\u1ecdc hi\u1ec7n nay cho r\u1eb1ng t\u1ea5t c\u1ea3 n\u0103ng-kh\u1ed1i-l\u01b0\u1ee3ng \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y b\u1ea5t c\u1ee9 m\u1ed9t v\u1eadt th\u1ec3 n\u00e0o khi c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ec1u c\u00f3 th\u1ec3 t\u1ef1 chuy\u1ec3n \u0111\u1ed5i th\u00e0nh n\u0103ng l\u01b0\u1ee3ng thu\u1ea7n t\u00fay. Ngo\u00e0i ra, ch\u00fang c\u0169ng cho ta th\u1ea5y \u0111\u01b0\u1ee3c h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i, d\u00f9 cho \u0111i\u1ec1u n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 x\u1ea3y ra \u1edf \u0111i\u1ec1u ki\u1ec7n c\u1ef1c k\u1ef3 kh\u1eafc nghi\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 qu\u1ea3 c\u1ee7a \u0111\u1ecbnh lu\u1eadt n\u00e0y l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 qu\u1ea3 c\u1ee7a \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng ch\u00ednh l\u00e0 m\u1ed9t \u0111\u1ed9ng c\u01a1 v\u0129nh c\u1eedu. C\u00f3 th\u1ec3 n\u00f3i, \u0111\u1ed9ng c\u01a1 n\u00e0y kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i. Th\u1ebf n\u00ean kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng n\u00e0o c\u00f3 ngu\u1ed3n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng v\u00f4 h\u1ea1n cho m\u00f4i tr\u01b0\u1eddng xung quanh nh\u01b0 v\u1eady. \u0110\u1ed1i v\u1edbi nh\u1eefng h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00f3 s\u1ef1 \u0111\u1ed1i x\u1ee9ng d\u1ecbch th\u1eddi gian, ta c\u00f3 th\u1ec3 th\u1ea5y ch\u00fang kh\u00f4ng x\u00e1c \u0111\u1ecbnh v\u1edbi c\u01a1 ch\u1ebf b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 c\u00e1c kh\u00f4ng gian cong \u1edf b\u00ean trong thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i r\u1ed9ng. Ngo\u00e0i ra, nh\u1eafc \u0111\u1ebfn tinh th\u1ec3 th\u1eddi gian \u1edf trong v\u1eadt l\u00fd v\u1eadt ch\u1ea5t ng\u01b0ng t\u1ee5 c\u0169ng l\u00e0 c\u00e1ch r\u1ea5t hay.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i l\u00e0 g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ean c\u1ea1nh \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u1ed5i ti\u1ebfng th\u00ec thuy\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i c\u0169ng l\u00e0 \u0111i\u1ec1u \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi nh\u1eafc \u0111\u1ebfn. Trong thuy\u1ebft n\u00e0y, n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u1ee7a vect\u01a1 4 \u0111\u1ed9ng l\u01b0\u1ee3ng, n\u0103ng l\u01b0\u1ee3ng. B\u1ed1n th\u00e0nh ph\u1ea7n n\u00e0y bao g\u1ed3m m\u1ed9t n\u0103ng l\u01b0\u1ee3ng v\u00e0 ba \u0111\u1ed9ng l\u01b0\u1ee3ng. M\u1ed7i m\u1ed9t th\u00e0nh ph\u1ea7n trong 4 th\u00e0nh ph\u1ea7n \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n ri\u00eang bi\u1ec7t theo th\u1eddi gian. Ch\u00fang \u0111\u01b0\u1ee3c b\u1ea3o to\u00e0n \u1edf trong b\u1ea5t c\u1ee9 m\u1ed9t h\u1ec7 k\u00edn n\u00e0o, ho\u1eb7c b\u1ea5t c\u1ee9 h\u1ec7 quy chi\u1ebfu qu\u00e1n t\u00ednh n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng tr\u00ean tr\u00e1i \u0111\u1ea5t<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin m\u00e0 ch\u00fang t\u00f4i cung c\u1ea5p cho b\u1ea1n \u0111\u1ecdc v\u1ec1 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng. Ch\u00fang t\u00f4i tin r\u1eb1ng nh\u1eefng chia s\u1ebb n\u00e0y \u0111\u00e3 th\u1ef1c s\u1ef1 th\u00fa v\u1ecb, gi\u00fap cho b\u1ea1n c\u1ea3m th\u1ea5y th\u00edch th\u00fa. \u0110\u00e2y \u0111\u1ec1u l\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c l\u00fd 9 c\u01a1 b\u1ea3n v\u1edbi ph\u1ea7n n\u00e2ng cao \u0111\u1eb1ng sau. Th\u1ebf n\u00ean, n\u1ebfu b\u1ea1n c\u1ea3m th\u1ea5y c\u1ea7n thi\u1ebft, h\u00e3y \u0111\u1ecdc v\u00e0 h\u1ecdc h\u1ebft nh\u00e9. Tr\u00ean website c\u1ee7a ch\u00fang t\u00f4i c\u00f2n r\u1ea5t nhi\u1ec1u b\u00e0i vi\u1ebft nh\u1eadn \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng chia s\u1ebb cao kh\u00e1c. H\u00e3y \u0111\u1ecdc ngay th\u00f4ng tin v\u1ec1 t\u00e1c d\u1ee5ng c\u1ee7a \u00e1nh s\u00e1ng \u0111\u1ec3 hi\u1ec3u ngay v<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn C\u00f3 th\u1ec3 b\u1ea1n ch\u01b0a bi\u1ebft, \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi m\u00f4n v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc. N\u00f3 l\u00e0 c\u01a1 s\u1edf v\u00e0 t\u1ea1o ti\u1ec1n \u0111\u1ec1 cho nhi\u1ec1u b\u01b0\u1edbc ph\u00e1t tri\u1ec3n r\u1ed9ng m\u1edf sau n\u00e0y. B\u1edfi v\u1eady, b\u1ea1n n\u00ean h\u1ecdc th\u1eadt k\u1ef9 v\u00e0 n\u1eafm [&hellip;]<\/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":[4,7],"tags":[],"class_list":["post-1195","post","type-post","status-publish","format-standard","hentry","category-trung-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1195","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=1195"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1195\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1195"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}