{"id":1163,"date":"2021-06-30T10:39:25","date_gmt":"2021-06-30T03:39:25","guid":{"rendered":"https:\/\/iptc.vn\/sip\/?p=1163"},"modified":"2021-06-30T11:23:26","modified_gmt":"2021-06-30T04:23:26","slug":"may-say-nha-kinh-nang-luong-mat-troi-thong-minh-smart-greenhouse-solar-dryer-ms-034","status":"publish","type":"post","link":"https:\/\/iptc.vn\/sip\/may-say-nha-kinh-nang-luong-mat-troi-thong-minh-smart-greenhouse-solar-dryer-ms-034\/","title":{"rendered":"M\u00e1y s\u1ea5y nh\u00e0 k\u00ednh n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi th\u00f4ng minh – SMART GREENHOUSE SOLAR DRYER (MS: 034)"},"content":{"rendered":"

T\u00c1C GI\u1ea2:<\/strong><\/p>\n

Tr\u1ea7n Ng\u1ecdc Ph\u1ee5ng, Ng\u00f4 Ho\u00e0ng B\u1ea3o Tr\u00e2n, L\u00ea Hu\u1ef3nh \u0110\u1ee9c, Hu\u1ef3nh Ng\u1ecdc Thi\u1ec7n, Nguy\u1ec5n Song Th\u1ea3o Nguy\u00ean, Th\u00f4i M\u1ef9 Hu\u1ec7\u00a0 –\u00a0Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc B\u00e1ch Khoa \u2013 \u0110\u1ea1i h\u1ecdc Qu\u1ed1c gia TPHCM<\/p><\/blockquote>\n


\nV\u1ea4N \u0110\u1ec0 C\u1ea6N GI\u1ea2I QUY\u1ebeT<\/strong>\u00a0<\/strong><\/p>\n

V\u1ea5n \u0111\u1ec1 v\u1ec1 an ninh l\u01b0\u01a1ng th\u1ef1c v\u00e0 th\u1ea5t tho\u00e1t l\u01b0\u01a1ng th\u1ef1c<\/strong><\/p>\n

D\u00e2n s\u1ed1 to\u00e0n c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u00e0 d\u1ef1 \u0111o\u00e1n s\u1ebd \u0111\u1ea1t h\u01a1n 9 t\u1ef7 ng\u01b0\u1eddi v\u00e0o n\u0103m 2050, k\u00e9o theo s\u1ea3n l\u01b0\u1ee3ng l\u01b0\u01a1ng th\u1ef1c t\u0103ng kho\u1ea3ng 70% [1]. M\u1eb7c d\u00f9 t\u1ef7 l\u1ec7 gia t\u0103ng d\u00e2n s\u1ed1 d\u1ef1 ki\u1ebfn \u200b\u200bt\u1eeb n\u0103m 2007 \u0111\u1ebfn n\u0103m 2050 \u0111\u01b0\u1ee3c d\u1ef1 b\u00e1o l\u00e0 th\u1ea5p h\u01a1n 50% so v\u1edbi t\u1ef7 l\u1ec7 t\u0103ng tr\u01b0\u1edfng t\u1eeb n\u0103m 1963 \u0111\u1ebfn n\u0103m 2007, t\u1ef7 l\u1ec7 t\u0103ng cao v\u1eabn \u0111\u01b0\u1ee3c d\u1ef1 b\u00e1o \u1edf ch\u00e2u Phi c\u1eadn Sahara, \u0110\u00f4ng \u00c1 v\u00e0 \u0110\u00f4ng Nam \u00c1 n\u01a1i m\u00e0 t\u1ef7 l\u1ec7\u00a0 m\u1ea5t an to\u00e0n th\u1ef1c ph\u1ea9m v\u00e0 suy dinh d\u01b0\u1ee1ng \u0111\u00e3 t\u0103ng cao [2].<\/p>\n

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B\u00ean c\u1ea1nh vi\u1ec7c c\u1ea3i thi\u1ec7n n\u0103ng su\u1ea5t, vi\u1ec7c gi\u1ea3m t\u1ef7 l\u1ec7 th\u1ea5t tho\u00e1t v\u00e0 l\u00e3ng ph\u00ed l\u01b0\u01a1ng th\u1ef1c to\u00e0n c\u1ea7u\u00a0 hi\u1ec7n nay, bao g\u1ed3m th\u1ea5t tho\u00e1t sau thu ho\u1ea1ch v\u00e0\u00a0 trong c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1ebd \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 m\u1ea5t an to\u00e0n l\u01b0\u01a1ng th\u1ef1c t\u1ea1i c\u00e1c khu v\u1ef1c tr\u00ean. C\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn th\u1ea5t tho\u00e1t l\u01b0\u01a1ng th\u1ef1c \u1edf c\u00e1c n\u01b0\u1edbc ph\u00e1t tri\u1ec3n x\u1ea3y ra \u1edf kh\u00e2u ti\u00eau th\u1ee5 [3], trong khi \u1edf c\u00e1c n\u01b0\u1edbc k\u00e9m ph\u00e1t tri\u1ec3n, h\u1ea7u h\u1ebft t\u1ed5n th\u1ea5t ch\u1ee7 y\u1ebfu x\u1ea3y ra \u1edf kh\u00e2u x\u1eed l\u00fd v\u00e0 ch\u1ebf bi\u1ebfn sau thu ho\u1ea1ch [4]. T\u1ef7 l\u1ec7 th\u1ea5t tho\u00e1t l\u01b0\u01a1ng th\u1ef1c \u0111\u00e3 d\u1eabn \u0111\u1ebfn thi\u1ebfu l\u01b0\u01a1ng th\u1ef1c v\u00e0 khi\u1ebfn h\u00e0ng tri\u1ec7u ng\u01b0\u1eddi \u1edf c\u00e1c n\u01b0\u1edbc thu nh\u1eadp th\u1ea5p b\u1ecb suy dinh d\u01b0\u1ee1ng.<\/p>\n

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\n<\/strong><\/p>\n

T\u1ea1i \u0110\u00f4ng Nam \u00c1, Vi\u1ec7t Nam l\u00e0 n\u01b0\u1edbc c\u00f3 ng\u00e0nh n\u00f4ng nghi\u1ec7p ph\u00e1t tri\u1ec3n m\u1ea1nh, v\u1edbi h\u01a1n 2,3 tri\u1ec7u<\/strong>ng\u01b0\u1eddi hi\u1ec7n \u0111ang l\u00e0m ngh\u1ec1 n\u00f4ng [5]. Theo B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 Ph\u00e1t tri\u1ec3n N\u00f4ng th\u00f4n v\u00e0o n\u0103m 2017 [6]th\u00ec m\u1eb7c d\u00f9 Vi\u1ec7t Nam c\u00f3 s\u1ea3n l\u01b0\u1ee3ng xu\u1ea5t kh\u1ea9u n\u00f4ng s\u1ea3n \u0111\u1ee9ng th\u1ee9 2 \u0110\u00f4ng Nam \u00c1 v\u00e0 th\u1ee9 15 tr\u00ean th\u1ebf gi\u1edbi, nh\u01b0ng c\u00e1c s\u1ea3n ph\u1ea9m n\u00f4ng s\u1ea3n c
\n\u1ee7a n\u01b0\u1edbc ta v\u1eabn ch\u01b0a thu v\u1ec1 l\u1ee3i nhu\u1eadn nhi\u1ec1u do ch\u1ea5t l\u01b0\u1ee3ng n\u00f4ng s\u1ea3n v\u1eabn c\u00f2n th\u1ea5p, v\u00e0 ch\u01b0a \u0111\u1ea1t ti\u00eau chu\u1ea9n. C\u00f3 \u0111\u1ebfn 10 – 20%<\/strong> n\u00f4ng s\u1ea3n b\u1ecb t\u1ed5n th\u1ea5t v\u1ec1 s\u1ea3n l\u01b0\u1ee3ng trong v\u00e0 sau khi thu ho\u1ea1ch [7]. V\u00e0 v\u1ea5n \u0111\u1ec1 ch\u00ednh c\u0169ng n\u1eb1m \u1edf quy tr\u00ecnh ch\u1ebf bi\u1ebfn n\u00f4ng s\u1ea3n.<\/p>\n

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V\u1ea5n \u0111\u1ec1 trong quy tr\u00ecnh s\u1ea5y<\/strong><\/p>\n

Trong \u0111\u00f3, vi\u1ec7c ti\u1ebfn h\u00e0nh quy tr\u00ecnh s\u1ea5y th\u1ef1c ph\u1ea9m kh\u00f4ng ph\u00f9 h\u1ee3p v\u00e0 kh\u00f4ng t\u1ed1i \u01b0u \u0111\u00e3 d\u1eabn \u0111\u1ebfn thi\u1ec7t h\u1ea1i thu nh\u1eadp \u0111\u00e1ng k\u1ec3 cho n\u00f4ng d\u00e2n, nh\u00e0 ph\u00e2n ph\u1ed1i, ch\u1ebf bi\u1ebfn v\u00e0 xu\u1ea5t kh\u1ea9u th\u1ef1c ph\u1ea9m \u1edf c\u00e1c v\u00f9ng Ch\u00e2u Phi c\u1eadn Sahara, \u0110\u00f4ng \u00c1 v\u00e0 \u0110\u00f4ng Nam \u00c1. Ngo\u00e0i thi\u1ec7t h\u1ea1i v\u1ec1 thu nh\u1eadp, vi\u1ec7c s\u1ea5y k\u00e9m c\u00f2n g\u00f3p ph\u1ea7n g\u00e2y ra \u00f4 nhi\u1ec5m aflatoxin, m\u1ed9t v\u1ea5n \u0111\u1ec1 l\u1edbn v\u1ec1 an to\u00e0n th\u1ef1c ph\u1ea9m v\u00e0 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng t\u1ea1i khu v\u1ef1c Ch\u00e2u Phi. V\u1ec1 v\u1ea5n \u0111\u1ec1 n\u00e0y, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 s\u1ea5y th\u00edch h\u1ee3p c\u00f3 th\u1ec3 cho ph\u00e9p ng\u01b0\u1eddi s\u1ea3n xu\u1ea5t quy m\u00f4 nh\u1ecf gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ed5n th\u1ea5t sau thu ho\u1ea1ch, c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng th\u1ef1c ph\u1ea9m, t\u1ea1o thu nh\u1eadp v\u00e0 c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m.<\/p>\n

S\u1ea5y th\u01b0\u1eddng \u0111\u01b0\u1ee3c xem l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ti\u00eau t\u1ed1n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng b\u1ea3o qu\u1ea3n c\u1ee7a c\u00e1c lo\u1ea1i n\u00f4ng s\u1ea3n. Vi\u1ec7c gi\u1ea3m \u0111\u1ed9 \u1ea9m trong ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap ng\u0103n ng\u1eeba nguy c\u01a1 vi sinh v\u1eadt ph\u00e1t tri\u1ec3n, gi\u1ea3m thi\u1ec3u nhi\u1ec1u ph\u1ea3n \u1ee9ng trong th\u1ef1c ph\u1ea9m l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng, nh\u01b0 s\u1ef1 ph\u00e2n hu\u1ef7, ph\u1ea3n \u1ee9ng enzyme, h\u00f3a n\u00e2u phi enzyme, oxy h\u00f3a lipid v\u00e0 s\u1eafc t\u1ed1, \u0111\u1ed3ng th\u1eddi l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 th\u1ec3 t\u00edch th\u1ef1c ph\u1ea9m [8, 9]. Trong s\u1ed1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n c\u00f3, ph\u01a1i n\u1eafng ngo\u00e0i tr\u1eddi l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1ea5t \u1edf c\u00e1c n\u01b0\u1edbc nhi\u1ec7t \u0111\u1edbi, nh\u1edd v\u00e0o chi ph\u00ed th\u1ea5p, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi n\u00f4ng d\u00e2n s\u1ea3n xu\u1ea5t nh\u1ecf \u1edf n\u00f4ng th\u00f4n. Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh s\u1ea5y ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng xung quanh v\u00e0 r\u1ea5t d\u1ec5 b\u1ecb \u00f4 nhi\u1ec5m b\u1edfi b\u1ee5i, m\u01b0a, gi\u00f3, s\u00e2u b\u1ecd v\u00e0 chu\u1ed9t\u00a0 [10, 11], d\u1eabn \u0111\u1ebfn s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p. v\u00e0 m\u1ea5t thu nh\u1eadp c\u1ee7a n\u00f4ng d\u00e2n.<\/p>\n

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\u0110\u00c3 C\u00d3 NH\u1eeeNG GI\u1ea2I PH\u00c1P N\u00c0O HI\u1ec6N NAY \u0110\u1ec2 X\u1eec L\u00dd V\u1ea4N \u0110\u1ec0 TR\u00caN<\/strong><\/p>\n

C\u00e1c \u0111\u1ed1i th\u1ee7 c\u1ea1nh tranh:<\/strong><\/p>\n

Hi\u1ec7n nay tr\u00ean th\u1ecb tr\u01b0\u1eddng \u0111ang c\u00f3 2 c\u00f4ng ty l\u1edbn \u0111ang kinh doanh m\u1ea3ng m\u00e1y s\u1ea5y – nh\u00e0 s\u1ea5y n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, bao g\u1ed3m:<\/p>\n