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<\/p>\nN\u0103m ki\u1ebfn th\u1ee9c v\u1ec1 b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t.<\/p>\n
1. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t l\u00e0 g\u00ec?<\/p>\n
Th\u00e0nh b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb hai l\u1edbp, \u1edf gi\u1eefa hai l\u1edbp l\u00e0 l\u1edbp ch\u00e2n kh\u00f4ng (ch\u00e2n kh\u00f4ng kh\u00f4ng d\u1eabn nhi\u1ec7t), t\u1ee9c l\u00e0 n\u01b0\u1edbc n\u00f3ng \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp v\u1edbi b\u00ean ngo\u00e0i th\u00f4ng qua l\u1edbp ch\u00e2n kh\u00f4ng, \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch gi\u1eef nhi\u1ec7t.<\/p>\n
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2. B\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m g\u00ec?<\/p>\n
B\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t c\u00f3 h\u00ecnh d\u00e1ng thanh l\u1ecbch, tay c\u1ea7m tho\u1ea3i m\u00e1i, b\u1ec1n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. Kh\u00f4ng s\u1ea3n sinh ra b\u1ea5t k\u1ef3 ch\u1ea5t \u0111\u1ed9c h\u1ea1i n\u00e0o b\u1ea5t k\u1ec3 nhi\u1ec7t \u0111\u1ed9 cao hay th\u1ea5p. L\u1edbp trong v\u00e0 ngo\u00e0i c\u1ee7a b\u00ecnh \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9. \u0110\u01b0\u1ee3c tinh ch\u1ebf b\u1eb1ng c\u00f4ng ngh\u1ec7 ch\u00e2n kh\u00f4ng ti\u00ean ti\u1ebfn, c\u00f3 h\u00ecnh d\u00e1ng thanh l\u1ecbch, l\u1edbp l\u00f3t li\u1ec1n m\u1ea1ch, hi\u1ec7u su\u1ea5t b\u1ecbt k\u00edn t\u1ed1t v\u00e0 hi\u1ec7u su\u1ea5t gi\u1eef nhi\u1ec7t t\u1ed1t. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ef1ng \u0111\u00e1 ho\u1eb7c \u0111\u1ed3 u\u1ed1ng n\u00f3ng.<\/p>\n
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3. T\u1ea1i sao b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t kh\u00f4ng th\u1ec3 pha tr\u00e0 v\u00e0 s\u1eefa?<\/p>\n
V\u00ec tr\u00e0 c\u00f3 ch\u1ee9a nhi\u1ec1u axit tannic, theophylline v\u00e0 d\u1ea7u th\u01a1m, c\u0169ng nh\u01b0 nhi\u1ec1u lo\u1ea1i vitamin, n\u00ean ch\u1ec9 c\u00f3 th\u1ec3 pha b\u1eb1ng n\u01b0\u1edbc n\u00f3ng 70% \u2013 80%. N\u1ebfu pha tr\u00e0 b\u1eb1ng b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t, tr\u00e0 s\u1ebd \u0111\u01b0\u1ee3c ng\u00e2m trong n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 cao trong th\u1eddi gian d\u00e0i, v\u00ec v\u1eady nhi\u1ec1u vitamin trong tr\u00e0 s\u1ebd b\u1ecb ph\u00e1 h\u1ee7y, axit tannic v\u00e0 d\u1ea7u th\u01a1m s\u1ebd bay h\u01a1i v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 gi\u00e1 tr\u1ecb dinh d\u01b0\u1ee1ng ban \u0111\u1ea7u c\u1ee7a tr\u00e0, khi\u1ebfn tr\u00e0 c\u00f3 v\u1ecb \u0111\u1eafng v\u00e0 ch\u00e1t m\u00e0 kh\u00f4ng c\u00f3 m\u00f9i th\u01a1m, v\u00e0 c\u00e1c ch\u1ea5t c\u00f3 h\u1ea1i trong n\u01b0\u1edbc tr\u00e0 c\u0169ng s\u1ebd t\u0103ng l\u00ean. Lo\u1ea1i tr\u00e0 n\u00e0y ch\u1eafc ch\u1eafn kh\u00f4ng t\u1ed1t \u0111\u1ec3 u\u1ed1ng. Trong s\u1eefa, vi khu\u1ea9n c\u00f3 th\u1ec3 sinh s\u00f4i sau m\u1ed7i 20 ph\u00fat, sau \u0111\u00f3 l\u00e0m h\u1ecfng s\u1eefa sau 3-4 gi\u1edd. Ngo\u00e0i ra, nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i trong b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t c\u00f3 th\u1ec3 ph\u00e1 h\u1ee7y c\u00e1c vitamin trong s\u1eefa v\u00e0 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ee9c kh\u1ecfe c\u1ee7a tr\u1ebb em.<\/p>\n
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4. B\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 gi\u1eef \u1ea5m trong bao l\u00e2u?<\/p>\n
B\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t General c\u00f3 th\u1ec3 gi\u1eef \u1ea5m trong 12 ~ 18 gi\u1edd v\u00e0o m\u00f9a h\u00e8 v\u00e0 6 ~ 10 gi\u1edd v\u00e0o m\u00f9a \u0111\u00f4ng.<\/p>\n
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5. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 kh\u1eed m\u00f9i h\u00f4i trong b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t?<\/p>\n
A: Tr\u01b0\u1edbc ti\u00ean, d\u00f9ng n\u01b0\u1edbc s\u1ea1ch r\u1eeda s\u1ea1ch b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t, sau \u0111\u00f3 d\u00f9ng b\u00e0n ch\u1ea3i \u0111\u00e1nh r\u0103ng nh\u00fang v\u00e0o mu\u1ed1i ch\u00e0 x\u00e1t ch\u1ed7 b\u1ea9n v\u00e0i l\u1ea7n. Cu\u1ed1i c\u00f9ng, d\u00f9ng n\u01b0\u1edbc r\u1eeda s\u1ea1ch b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i b\u00ecnh n\u01b0\u1edbc gi\u1eef nhi\u1ec7t.<\/p>\n
<\/p>","protected":false},"excerpt":{"rendered":"
Five knowledge about thermos water bottle. 1. What is the working principle of thermos water bottle? The wall of the thermos water bottle is composed of two layers, and the middle of the two layers is vacuum (vacuum does not conduct heat), that is, the hot water is isolated from the outside through vacuum to […]<\/p>\n","protected":false},"author":0,"featured_media":680,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-682","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-info"],"acf":[],"yoast_head":"\n