C\u00e2u 1. \u201c\u1ee8ng su\u1ea5t u\u1ed1n cho ph\u00e9p\u201d v\u00e0 \u201c\u0111i\u1ec3m t\u1edbi h\u1ea1n\u201d c\u00f3 gi\u1ed1ng nhau kh\u00f4ng?<\/p>\n\n\n\n
C\u00e2u 2: \u201c\u0110i\u1ec3m t\u1edbi h\u1ea1n\u201d v\u00e0 \u201cgi\u1edbi h\u1ea1n ch\u1ea3y\u201d c\u00f3 gi\u1ed1ng nhau kh\u00f4ng?<\/p>\n\n\n\n
\u201c\u1ee8ng su\u1ea5t u\u1ed1n cho ph\u00e9p\u201d v\u00e0 \u201c\u0111i\u1ec3m t\u1edbi h\u1ea1n\u201d kh\u00f4ng c\u00f3 c\u00f9ng \u00fd ngh\u0129a. \u1ee8ng su\u1ea5t u\u1ed1n cho ph\u00e9p l\u00e0 \u1ee9ng su\u1ea5t cho ph\u00e9p c\u1ee7a l\u00f2 xo l\u00e1, trong khi \u0111i\u1ec3m t\u1edbi h\u1ea1n l\u00e0 \u1ee9ng su\u1ea5t g\u00e2y ra bi\u1ebfn d\u1ea1ng d\u1ebbo c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n
Trong c\u00e2u h\u1ecfi 2, \u201c\u0110i\u1ec3m t\u1edbi h\u1ea1n\u201d v\u00e0 \u201cgi\u1edbi h\u1ea1n ch\u1ea3y\u201d l\u00e0 nh\u1eefng t\u1eeb gi\u1ed1ng nhau.<\/p>\n\n\n\n
\u2460 Trong c\u00e2u h\u1ecfi tr\u00ean, n\u1ebfu n\u00f3i r\u1eb1ng \u1ee9ng su\u1ea5t u\u1ed1n cho ph\u00e9p l\u00e0 \u1ee9ng su\u1ea5t t\u1ea1i \u0111\u00f3 bi\u1ebfn d\u1ea1ng d\u1ebbo b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n trong v\u1eadt li\u1ec7u, b\u1eb1ng 70% \u1ee9ng su\u1ea5t cho ph\u00e9p c\u1ee7a l\u00f2 xo l\u00e1?<\/p>\n\n\n\n
\u2461 B\u1ea1n c\u00f3 th\u1ec3 gi\u1ea3i th\u00edch th\u00eam v\u1ec1 c\u00f4ng th\u1ee9c t\u00ednh B trong ph\u1ea7n 1-2 tr\u00ean trang web c\u00f3 c\u00f4ng th\u1ee9c t\u00ednh c\u1ee7a l\u00f2 xo l\u00e1 kh\u00f4ng?<\/p>\n\n\n\n
\u2462B\u1ea1n c\u00f3 s\u01a1 \u0111\u1ed3 Goodman cho l\u00f2 xo l\u00e1 kh\u00f4ng?<\/p>\n\n\n\n
C\u1ea3m \u01a1n b\u1ea1n \u0111\u00e3 lu\u00f4n g\u1eedi c\u00e2u h\u1ecfi cho ch\u00fang t\u00f4i!
C\u00e2u tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi c\u1ee7a b\u1ea1n nh\u01b0 sau.<\/p>\n\n\n\n
\u2460 L\u00f2 xo l\u00e1 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng \u1ee9ng su\u1ea5t u\u1ed1n, nh\u01b0ng nh\u00ecn chung, 80% \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ti\u00eau chu\u1ea9n. T\u00f9y thu\u1ed9c v\u00e0o h\u00ecnh d\u1ea1ng v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng, h\u1ec7 s\u1ed1 an to\u00e0n cao h\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>\n\n\n\n
\u2461 V\u00ec trang web c\u00f4ng th\u1ee9c t\u00ednh c\u1ee7a l\u00f2 xo l\u00e1 c\u00f2n thi\u1ebfu ph\u1ea7n gi\u1ea3i th\u00edch n\u00ean t\u00f4i s\u1ebd b\u1ed5 sung th\u00f4ng tin trong th\u1eddi gian s\u1edbm nh\u1ea5t!B=bh^3E\/12Trong \u0111\u00f3, b=chi\u1ec1u r\u1ed9ng t\u1ea5m, h=\u0111\u1ed9 d\u00e0y t\u1ea5m.
Ngo\u00e0i ra, n\u1ebfu \u0111\u1ed9 d\u00e0y t\u1ea5m m\u1ecfng, B=bh^3E\/12(1-\u03bd^2)E=m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i d\u1ecdc, \u03bd=t\u1ef7 s\u1ed1 Poisson(\u0110\u1ed9 d\u00e0y t\u1ea5m khuy\u1ebfn ngh\u1ecb l\u00e0 kho\u1ea3ng 0,3mm)<\/p>\n\n\n\n
\u2462JIS B2709 c\u00f3 t\u00e0i li\u1ec7u tham kh\u1ea3o v\u1ec1 \u1ee9ng su\u1ea5t u\u1ed1n, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o th\u00eam t\u1ea1i \u0111\u00f3.<\/p>\n","protected":false},"featured_media":0,"template":"","acf":[],"_links":{"self":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/cau-hoi\/43422"}],"collection":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/cau-hoi"}],"about":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/types\/cau-hoi"}],"wp:attachment":[{"href":"https:\/\/www.tokaibane.com\/en\/wp-json\/wp\/v2\/media?parent=43422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}