Trong th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t v\u00e0 sinh ho\u1ea1t h\u1eb1ng ng\u00e0y ng\u01b0\u1eddi ta hay g\u1eb7p v\u1ea5n \u0111\u1ec1 \u201cch\u1ecdn l\u1ef1a t\u1ed1i \u01b0u\u201d. V\u00ed d\u1ee5 trong ph\u01b0\u01a1ng ph\u00e1p luy\u1ec7n th\u00e9p, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 \u0111\u01b0a th\u00eam m\u1ed9t lo\u1ea1i nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc n\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a th\u00e9p, ng\u01b0\u1eddi ta \u01b0\u1edbc t\u00ednh c\u1ea7n ph\u1ea3i th\u00eam t\u1eeb 1000 g \u0111\u1ebfn 2000 g c\u1ee7a nguy\u00ean t\u1ed1 n\u1ecd cho m\u1ed9t t\u1ea5n th\u00e9p. Th\u1ebf th\u00ec l\u01b0\u1ee3ng t\u1ed1i \u01b0u c\u1ee7a nguy\u00ean t\u1ed1 \u0111\u01b0a v\u00e0o l\u00e0 bao nhi\u00eau? Ch\u00fang ta c\u1ea7n ph\u1ea3i qua th\u00ed nghi\u1ec7m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh. N\u1ebfu m\u1ed7i l\u1ea7n th\u00ed nghi\u1ec7m ta t\u0103ng t\u1eebng 10g m\u1ed9t th\u00ec c\u1ea7n ph\u1ea3i ti\u1ebfn h\u00e0nh 100 th\u00ed nghi\u1ec7m. Th\u1ebf nh\u01b0ng c\u00f3 c\u00e1ch n\u00e0o ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c kh\u00f4ng?<\/p>\n\n\n\n
D\u01b0\u1edbi \u0111\u00e2y ch\u00fang t\u00f4i xin gi\u1edbi thi\u1ec7u \u201cph\u01b0\u01a1ng ph\u00e1p g\u1ea5p gi\u1ea5y\u201d. D\u00f9ng m\u1ed9t b\u0103ng gi\u1ea5y, ta v\u1ea1ch l\u00ean \u0111\u00f3 1000 \u0111\u1ebfn 2000 v\u1ea1ch. T\u00ednh to\u00e1n \u0111\u1ec3 ghi c\u00e1c v\u1ea1ch l\u00e0 b\u1ed9i s\u1ed1 c\u1ee7a 0,618, 1000 + (2000 – 1000) x 0,618 = 1618.<\/p>\n\n\n\n
Sau \u0111\u00f3 ta ch\u1ecdn l\u1ea5y 1618g l\u01b0\u1ee3ng nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc l\u00e0m m\u1ed9t th\u00ed nghi\u1ec7m cho m\u1ed9t t\u1ea5n th\u00e9p.<\/p>\n\n\n\n
Sau \u0111\u00f3 ta l\u1ea1i g\u1ea5p \u0111\u00f4i b\u0103ng gi\u1ea5y, v\u1ea1ch m\u1ed9t v\u1ea1ch \u0111\u1ed1i x\u1ee9ng v\u1edbi v\u1ea1ch 1618 qua v\u1ebft g\u1ea5p. V\u1ea1ch m\u1edbi n\u00e0y s\u1ebd \u1edf v\u1ecb tr\u00ed 1000 + (2000 – 1618) = 1382. Ta l\u1ea1i l\u1ea5y 1382 g nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc cho l\u00e0m th\u00ed nghi\u1ec7m v\u1edbi m\u1ed9t t\u1ea5n th\u00e9p kh\u00e1c. Sau hai l\u1ea7n th\u00ed nghi\u1ec7m, \u0111em so s\u00e1nh k\u1ebft qu\u1ea3. N\u1ebfu v\u1edbi th\u00ed nghi\u1ec7m 1382 g l\u1ea1i thu \u0111\u01b0\u1ee3c lo\u1ea1i th\u00e9p c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 cao, ta c\u1eaft b\u1ecf \u0111o\u1ea1n gi\u1ea5y \u1edf b\u00ean ph\u1ea3i v\u1ea1ch 1618 (n\u1ebfu tr\u00e1i l\u1ea1i th\u00ec c\u1eaft b\u1ecf ph\u1ea7n b\u00ean tr\u00e1i v\u1ea1ch 1382). L\u1ea1i g\u1ea5p \u0111\u00f4i ph\u1ea7n b\u0103ng gi\u1ea5y c\u00f2n l\u1ea1i. L\u1ea1i v\u1ea1ch m\u1ed9t v\u1ea1ch \u0111\u1ed1i x\u1ee9ng v\u1edbi v\u1ea1ch 1382 qua v\u1ebft g\u1ea5p, v\u1ea1ch n\u00e0y s\u1ebd l\u00e0 v\u1ea1ch 1000 + (1618 – 1382) = 1236.<\/p>\n\n\n\n
L\u1ea1i l\u1ea5y 1236 g nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc \u0111em l\u00e0m th\u00ed nghi\u1ec7m, r\u1ed3i l\u1ea1i so s\u00e1nh c\u00e1c k\u1ebft qu\u1ea3 nh\u1eadn \u0111\u01b0\u1ee3c. C\u00e1c th\u00ed nghi\u1ec7m l\u1ea1i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo th\u1ee7 t\u1ee5c v\u1eeba m\u00f4 t\u1ea3. Nh\u01b0 v\u1eady c\u1ee9 m\u1ed7i l\u1ea7n th\u00ed nghi\u1ec7m \u0111o\u1ea1n gi\u1ea5y c\u00f2n l\u1ea1i s\u1ebd l\u00e0 b\u1ed9i s\u1ed1 c\u1ee7a 0,618.<\/p>\n\n\n\n
C\u1ee9 ti\u1ebfp t\u1ee5c ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m theo ph\u01b0\u01a1ng \u00e1n \u0111\u00e3 ch\u1ecdn v\u00e0 s\u1ebd ch\u1ecdn \u0111\u01b0\u1ee3c l\u01b0\u1ee3ng t\u1ed1i \u01b0u nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc \u0111\u01b0a v\u00e0o luy\u1ec7n th\u00e9p.<\/p>\n\n\n\n
Vi\u1ec7c ch\u1ecdn ph\u1ea1m vi th\u00ed nghi\u1ec7m l\u00e0 \u0111i\u1ec1u h\u1ebft s\u1ee9c quan tr\u1ecdng cho ph\u01b0\u01a1ng ph\u00e1p g\u1ea5p gi\u1ea5y \u0111\u1ec3 ch\u1ecdn t\u1ed1i \u01b0u. \u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c vi\u1ec7c \u0111\u00f3 c\u1ea7n d\u1ef1a v\u00e0o kinh nghi\u1ec7m ho\u1eb7c c\u00e1c t\u01b0 li\u1ec7u th\u1ef1c nghi\u1ec7m \u0111\u1ec3 \u01b0\u1edbc l\u01b0\u1ee3ng ph\u1ea1m vi th\u00ed nghi\u1ec7m. N\u1ebfu g\u1eb7p ph\u1ea3i tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec3m t\u1ed1i \u01b0u n\u1eb1m ngo\u00e0i ph\u1ea1m vi \u01b0\u1edbc l\u01b0\u1ee3ng th\u00ec s\u1ebd ra sao? \u0110\u01b0\u01a1ng nhi\u00ean c\u0169ng kh\u00f4ng quan tr\u1ecdng l\u1eafm.<\/p>\n\n\n\n
B\u1edfi v\u00ec khi \u0111\u00f3 th\u00ec khung th\u00ed nghi\u1ec7m c\u0169ng s\u1ebd ti\u1ebfn d\u1ea7n \u0111\u1ebfn \u0111i\u1ec3m t\u1ed1i \u01b0u, qua m\u1ed7i l\u1ea7n th\u00ed nghi\u1ec7m c\u0169ng s\u1ebd ti\u1ebfn h\u00e0nh so s\u00e1nh cu\u1ed1i c\u00f9ng s\u1ebd x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111i\u1ec3m t\u1ed1i \u01b0u. \u0110\u01b0\u01a1ng nhi\u00ean khi \u0111\u00f3 ph\u1ea1m vi th\u00ed nghi\u1ec7m s\u1ebd m\u1edf r\u1ed9ng d\u1ea7n v\u1ec1 ph\u00eda \u0111i\u1ec3m t\u1ed1i \u01b0u.<\/p>\n\n\n\n
Theo t\u00ednh to\u00e1n th\u00ec sau 16 l\u1ea7n th\u00ed nghi\u1ec7m th\u1ef1c hi\u1ec7n theo ph\u01b0\u01a1ng \u00e1n g\u1ea5p gi\u1ea5y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 2500 l\u1ea7n th\u00ed nghi\u1ec7m, theo ph\u01b0\u01a1ng \u00e1n th\u01b0\u1eddng. Th\u1ef1c ti\u1ec5n ch\u1ee9ng minh d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p g\u1ea5p gi\u1ea5y v\u00e0o vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m m\u1edbi s\u1ebd thu \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 r\u1ea5t l\u1edbn.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Ph\u01b0\u01a1ng ph\u00e1p ch\u1ecdn t\u1ed1i \u01b0u; Ph\u01b0\u01a1ng ph\u00e1p g\u1ea5p gi\u1ea5y.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Trong th\u1ef1c ti\u1ec5n s\u1ea3n xu\u1ea5t v\u00e0 sinh ho\u1ea1t h\u1eb1ng ng\u00e0y ng\u01b0\u1eddi ta hay g\u1eb7p v\u1ea5n \u0111\u1ec1 \u201cch\u1ecdn l\u1ef1a t\u1ed1i \u01b0u\u201d. V\u00ed d\u1ee5 trong ph\u01b0\u01a1ng ph\u00e1p luy\u1ec7n th\u00e9p, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 \u0111\u01b0a th\u00eam m\u1ed9t lo\u1ea1i nguy\u00ean t\u1ed1 ho\u00e1 h\u1ecdc n\u00e0o \u0111\u00f3 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a th\u00e9p, ng\u01b0\u1eddi ta \u01b0\u1edbc t\u00ednh c\u1ea7n ph\u1ea3i th\u00eam t\u1eeb […]<\/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":[15,9],"tags":[],"class_list":["post-7696","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-toan-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7696","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=7696"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7696\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}