{"id":13107,"date":"2014-07-02T10:32:12","date_gmt":"2014-07-02T03:32:12","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=13107"},"modified":"2014-06-24T14:41:44","modified_gmt":"2014-06-24T07:41:44","slug":"bao-cao-tom-tat-de-tai-nghien-cuu-tuyen-chon-thuoc-va-cong-nghe-bao-quan-nua-nguyen-lieu-lam-hang-thu-cong-my-nghe-phuc-vu-tieu-dung-trong-nuoc-va-xuat-khau","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/bao-cao-tom-tat-de-tai-nghien-cuu-tuyen-chon-thuoc-va-cong-nghe-bao-quan-nua-nguyen-lieu-lam-hang-thu-cong-my-nghe-phuc-vu-tieu-dung-trong-nuoc-va-xuat-khau\/","title":{"rendered":"B\u00e1o c\u00e1o t\u00f3m t\u1eaft \u0111\u1ec1 t\u00e0i: Nghi\u00ean c\u1ee9u tuy\u1ec3n ch\u1ecdn thu\u1ed1c v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea3o qu\u1ea3n n\u1ee9a nguy\u00ean li\u1ec7u l\u00e0m h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7 ph\u1ee5c v\u1ee5 ti\u00eau d\u00f9ng trong n\u01b0\u1edbc v\u00e0 xu\u1ea5t kh\u1ea9u"},"content":{"rendered":"

Nguy\u1ec5n V\u0103n \u0110\u1ee9c<\/em> <\/b><\/p>\n

I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0<\/p>\n

N\u1ee9a l\u00e0 v\u1eadt li\u1ec7u t\u1ef1 nhi\u00ean, ngay sau khi khai th\u00e1c c\u0169ng nh\u01b0 qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, n\u1ee9a c\u00f3 th\u1ec3 b\u1ecb c\u00e1c lo\u00e0i sinh v\u1eadt nh\u01b0 m\u1ed1c, m\u1ecdt g\u00e2y h\u1ea1i, l\u00e0m gi\u1ea3m ph\u1ea9m ch\u1ea5t, ph\u00e1 h\u1ecfng h\u00e0ng ho\u00e1. V\u00ec v\u1eady, trong s\u1ea3n xu\u1ea5t h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7 t\u1ea1i c\u00e1c l\u00e0ng ngh\u1ec1, n\u1ee9a nguy\u00ean li\u1ec7u \u00a0\u0111\u01b0\u1ee3c ng\u00e2m trong ao h\u1ed3 t\u1eeb 3-4 th\u00e1ng \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t chi\u1ebft xu\u1ea5t l\u00e0 \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ee9c \u0103n c\u1ee7a s\u00e2u, n\u1ea5m. Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd n\u1ee9a \u0111\u00e3 l\u00e0m ti\u00eau t\u1ed1n th\u1eddi gian, g\u00e2y \u00f4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc ao h\u1ed3.<\/p>\n

Xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf \u0111\u00f3, \u0111\u1ec1 t\u00e0i \u0111\u01b0\u1ee3c \u0111\u1eb7t ra: \u201cNghi\u00ean c\u1ee9u tuy\u1ec3n ch\u1ecdn thu\u1ed1c v\u00e0 c\u00f4ng ngh\u1ec7 b\u1ea3o qu\u1ea3n n\u1ee9a nguy\u00ean li\u1ec7u\u00a0 l\u00e0m h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7\u00a0 ph\u1ee5c v\u1ee5 ti\u00eau d\u00f9ng trong n\u01b0\u1edbc v\u00e0 xu\u1ea5t kh\u1ea9u\u201d, nh\u1eb1m n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m, ti\u1ebft ki\u1ec7m th\u1eddi gian, g\u00f3p ph\u1ea7n gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng l\u00e0ng ngh\u1ec1, gi\u00fap cho s\u1ea3n xu\u1ea5t ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng.<\/p>\n

II. V\u1eacT LI\u1ec6U, N\u1ed8I DUNG, PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/p>\n

1. V\u1eadt li\u1ec7u nghi\u00ean c\u1ee9u<\/p>\n

N\u1ee9a nguy\u00ean li\u1ec7u (Neohouzeana dullosa<\/i> A. Camus)<\/p>\n

Thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n: LN5<\/sub>, XM5<\/sub>, cislin<\/p>\n

2. N\u1ed9i dung nghi\u00ean c\u1ee9u<\/b><\/p>\n

– Nghi\u00ean c\u1ee9u tuy\u1ec3n ch\u1ecdn thu\u1ed1c b\u1ea3o qu\u1ea3n n\u1ee9a nguy\u00ean li\u1ec7u<\/p>\n

– Nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng th\u1ea5m thu\u1ed1c c\u1ee7a n\u1ee9a<\/p>\n

– Nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a b\u1ea3o qu\u1ea3n \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u01a1 l\u00fd c\u1ee7a n\u1ee9a nguy\u00ean li\u1ec7u v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng d\u00e1n d\u00ednh, m\u00e0u s\u1eafc c\u1ee7a s\u1ea3n ph\u1ea9m<\/p>\n

3. Ph\u01b0\u01a1ng ph\u00e1p nghi\u00ean c\u1ee9u<\/b><\/p>\n

– Nghi\u00ean c\u1ee9u tuy\u1ec3n ch\u1ecdn thu\u1ed1c: d\u1ef1a tr\u00ean c\u01a1 s\u1edf danh m\u1ee5c thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n \u0111\u01b0\u1ee3c ph\u00e9p l\u01b0u h\u00e0nh, l\u1ef1a ch\u1ecdn m\u1ed9t s\u1ed1 lo\u1ea1i thu\u1ed1c ph\u00f9 h\u1ee3p \u0111\u1ec3 b\u1ea3o qu\u1ea3n n\u1ee9a. Ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 hi\u1ec7u l\u1ef1c c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n v\u1edbi n\u1ea5m, c\u00f4n tr\u00f9ng h\u1ea1i n\u1ee9a theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p do Ph\u00f2ng NC B\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam x\u00e2y d\u1ef1ng, x\u00e1c \u0111\u1ecbnh lo\u1ea1i thu\u1ed1c, n\u1ed3ng \u0111\u1ed9 s\u1eed d\u1ee5ng c\u00f3 hi\u1ec7u l\u1ef1c t\u1ed1t ph\u00f2ng ch\u1ed1ng sinh v\u1eadt h\u1ea1i n\u1ee9a.<\/p>\n

– Nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng th\u1ea5m thu\u1ed1c c\u1ee7a n\u1ee9a: Qui ho\u1ea1ch th\u1ef1c nghi\u1ec7m theo ph\u01b0\u01a1ng ph\u00e1p y\u1ebfu t\u1ed1 to\u00e0n ph\u1ea7n, c\u00e1c tham s\u1ed1 \u0111\u1ea7u v\u00e0o (C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng) g\u1ed3m n\u1ed3ng \u0111\u1ed9 thu\u1ed1c, th\u1eddi gian, nhi\u1ec7t \u0111\u1ed9. T\u00ednh to\u00e1n, ph\u00e2n t\u00edch \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7: ch\u1ebf \u0111\u1ed9 ng\u00e2m t\u1ea9m, th\u00f4ng s\u1ed1 c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p.<\/p>\n

Kh\u1ea3 n\u0103ng th\u1ea5m thu\u1ed1c c\u1ee7a n\u1ee9a \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng l\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m v\u00e0 \u0111\u1ed9 s\u00e2u th\u1ea5m thu\u1ed1c, ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ch\u1ee7 y\u1ebfu l\u00e0 n\u1ed3ng \u0111\u1ed9 thu\u1ed1c, th\u1eddi gian ng\u00e2m.<\/h3>\n

Th\u1ef1c nghi\u1ec7m x\u00e1c \u0111\u1ecbnh quan h\u1ec7 gi\u1eefa kh\u1ea3 n\u0103ng th\u1ea5m thu\u1ed1c b\u1ea3o qu\u1ea3n c\u1ee7a n\u1ee9a (Yi<\/sub>) v\u1edbi y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng (Xi<\/sub>) \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo Qui ho\u1ea1ch th\u1ef1c nghi\u1ec7m y\u1ebfu t\u1ed1 to\u00e0n ph\u1ea7n (YTTP).<\/h3>\n

+ L\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m v\u00e0o n\u1ee9a \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo ph\u01b0\u01a1ng ph\u00e1p c\u00e2n \u0111o.<\/p>\n

+ \u0110\u1ed9 s\u00e2u th\u1ea5m thu\u1ed1c c\u1ee7a m\u1eabu \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng thu\u1ed1c ch\u1ec9 th\u1ecb m\u00e0u.<\/p>\n

– Nghi\u00ean c\u1ee9u c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 l\u00fd c\u1ee7a n\u1ee9a nguy\u00ean li\u1ec7u, \u0111\u1ed9 b\u1ec1n m\u00e0ng keo tr\u00e1ng ph\u1ee7 b\u1ec1 m\u1eb7t: S\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n, ph\u01b0\u01a1ng ph\u00e1p th\u1eed trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc, m\u00e1y th\u1eed c\u01a1 l\u00fd v\u1ea1n n\u0103ng.<\/p>\n

+ \u1ee8ng su\u1ea5t k\u00e9o:<\/i> theo ti\u00eau chu\u1ea9n DIN-53.255, c\u00f4ng th\u1ee9c t\u00ednh:<\/p>\n

\"BQ<\/a><\/p>\n

– \u0110\u00e1nh gi\u00e1 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a m\u00e0u s\u1eafc c\u1ee7a n\u1ee9a tr\u01b0\u1edbc v\u00e0 sau ng\u00e2m thu\u1ed1c b\u1ea3o qu\u1ea3n: d\u1ef1a theo ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n x\u1ea1 quang ph\u1ed5, b\u1eb1ng m\u00e1y so m\u00e0u.<\/p>\n

– X\u1eed l\u00fd k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m b\u1eb1ng ph\u1ea7n m\u1ec1m Microsoft-Excel-7.0.<\/p>\n

III. K\u1ebeT QU\u1ea2 NGHI\u00caN C\u1ee8U V\u00c0 TH\u1ea2O LU\u1eacN<\/p>\n

3.1. Nghi\u00ean c\u1ee9u tuy\u1ec3n ch\u1ecdn thu\u1ed1c b\u1ea3o qu\u1ea3n n\u1ee9a nguy\u00ean li\u1ec7u: <\/b><\/p>\n

– Thu\u1ed1c LN5<\/sub> : <\/b><\/p>\n

Thu\u1ed1c LN5<\/sub> l\u00e0 d\u1ea1ng thu\u1ed1c mu\u1ed1i v\u00f4 c\u01a1 ho\u00e0 tan trong n\u01b0\u1edbc. Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a thu\u1ed1c g\u1ed3m c\u00f3: ZnSO4<\/sub>.7H2<\/sub>O + NaF v\u00e0 ph\u1ee5 gia. Dung d\u1ecbch thu\u1ed1c c\u00f3 m\u00e0u tr\u1eafng nh\u1ea1t, b\u1ea3o qu\u1ea3n tre n\u1ee9a d\u00f9ng s\u1ea3n xu\u1ea5t h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7, thu\u1ed1c c\u00f3 \u01b0u \u0111i\u1ec3m kh\u00f4ng l\u00e0m bi\u1ebfn m\u00e0u nguy\u00ean li\u1ec7u.<\/p>\n

– Thu\u1ed1c Cislin<\/b><\/p>\n

Thu\u1ed1c Cislin c\u00f3 ho\u1ea1t ch\u1ea5t ch\u00ednh l\u00e0 Deltamethrin. \u0110\u00e2y l\u00e0 lo\u1ea1i thu\u1ed1c do h\u00e3ng Bayer Crop Scienec s\u1ea3n xu\u1ea5t, nh\u1eadp kh\u1ea9u v\u00e0o Vi\u1ec7t Nam, nh\u00e0 ph\u00e2n ph\u1ed1i Bayer Viet Nam Ltd.<\/p>\n

C\u00f4ng d\u1ee5ng: Thu\u1ed1c c\u00f3 t\u00e1c d\u1ee5ng ph\u00f2ng ch\u1ed1ng m\u1ecdt cho tre, n\u1ee9a, ph\u00f9 h\u1ee3p \u0111\u1ec3 b\u1ea3o qu\u1ea3n nguy\u00ean v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng d\u01b0\u1edbi m\u00e1i che, kh\u00f4ng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi n\u1ec1n \u0111\u1ea5t.<\/p>\n

\u0110\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u l\u1ef1c thu\u1ed1c b\u1ea3o qu\u1ea3n n\u1ee9a v\u1edbi sinh v\u1eadt g\u00e2y h\u1ea1i, n\u1ed3ng \u0111\u1ed9 thu\u1ed1c \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u1edf c\u00e1c m\u1ee9c 3, 5, 7%, th\u1eddi gian ng\u00e2m t\u1ea9m \u0111\u01b0\u1ee3c gi\u1eef l\u00e0 7 ng\u00e0y. T\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m v\u00e0 hi\u1ec7u l\u1ef1c b\u1ea3o qu\u1ea3n t\u01b0\u01a1ng \u1ee9ng, t\u00ecm ra l\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m h\u1eefu hi\u1ec7u cho b\u1ea3o qu\u1ea3n n\u1ee9a. K\u1ebft qu\u1ea3 th\u1ef1c nghi\u1ec7m \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y t\u1ea1i b\u1ea3ng:<\/p>\n

B\u1ea3ng 3.1: K\u1ebft qu\u1ea3 hi\u1ec7u l\u1ef1c b\u1ea3o qu\u1ea3n n\u1ee9a c\u1ee7a c\u00e1c lo\u1ea1i thu\u1ed1c<\/p>\n

\n\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

Lo\u1ea1i<\/p>\n

thu\u1ed1c<\/p>\n<\/td>\n

\n

N\u1ed3ng \u0111\u1ed9<\/p>\n

(%)<\/p>\n<\/td>\n

\n

L\u01b0\u1ee3ng TT (kg\/t\u1ea5n n\u1ee9a)<\/p>\n<\/td>\n

\n

M\u00e0u s\u1eafc n\u1ee9a<\/p>\n<\/td>\n

\n

Hi\u1ec7u l\u1ef1c v\u1edbi m\u1ecdt<\/p>\n<\/td>\n

\n

Hi\u1ec7u l\u1ef1c v\u1edbi m\u1ed1i<\/p>\n<\/td>\n

\n

hi\u1ec7u l\u1ef1c v\u1edbi n\u1ea5m<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

LN5<\/sub><\/p>\n<\/td>\n

\n

3<\/p>\n

\n<\/td>\n

\n

11,83<\/p>\n<\/td>\n

\n

tr\u1eafng \u0111\u1ee5c<\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

15,26<\/p>\n<\/td>\n

\n

tr\u1eafng \u0111\u1ee5c<\/p>\n<\/td>\n

\n

T\u1ed1t<\/p>\n<\/td>\n

\n

T\u1ed1t<\/p>\n<\/td>\n

\n

T\u1ed1t<\/p>\n<\/td>\n<\/tr>\n

\n

7<\/p>\n<\/td>\n

\n

18,05<\/p>\n<\/td>\n

\n

tr\u1eafng \u0111\u1ee5c<\/p>\n<\/td>\n

\n

T\u1ed1t<\/p>\n<\/td>\n

\n

T\u1ed1t<\/p>\n<\/td>\n

\n

T\u1ed1t<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

Cislin<\/p>\n<\/td>\n

\n

1<\/p>\n<\/td>\n

\n

3,62<\/p>\n<\/td>\n

\n

tr\u1eafng \u0111\u1ee5c<\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/p>\n<\/td>\n

\n

K\u00e9m<\/p>\n<\/td>\n<\/tr>\n

\n

1,25<\/p>\n<\/td>\n

\n

4,27<\/p>\n<\/td>\n

\n

tr\u1eafng \u0111\u1ee5c<\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/p>\n<\/td>\n

\n

K\u00e9m<\/p>\n<\/td>\n<\/tr>\n

\n

1,5<\/p>\n<\/td>\n

\n

4,81<\/p>\n<\/td>\n

\n

tr\u1eafng \u0111\u1ee5c<\/p>\n<\/td>\n

\n

T\u1ed1t<\/p>\n<\/td>\n

\n

T\u1ed1t<\/p>\n<\/td>\n

\n

Trung b\u00ecnh<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

T\u1eeb \u0111\u00f3 cho th\u1ea5y hi\u1ec7u l\u1ef1c c\u1ee7a thu\u1ed1c \u0111\u1ed1i v\u1edbi c\u00f4n tr\u00f9ng thu\u1ed1c LN5 <\/sub>\u1edf n\u1ed3ng \u0111\u1ed9 5% l\u00e0 t\u1ed1t.<\/p>\n

V\u00ec v\u1eady, trong \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7 \u1edf Vi\u1ec7t Nam, ch\u00fang t\u00f4i x\u00e1c \u0111\u1ecbnh \u0111\u1ec3 b\u1ea3o qu\u1ea3n n\u1ee9a, l\u1ef1a ch\u1ecdn thu\u1ed1c LN5<\/sub> l\u00e0 ph\u00f9 h\u1ee3p, c\u00f3 hi\u1ec7u l\u1ef1c ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e1 ho\u1ea1i c\u1ee7a c\u00e1c lo\u1ea1i sinh v\u1eadt m\u1ed1c, m\u1ed1i, m\u1ecdt.<\/p>\n

3.2. Nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng th\u1ea5m thu\u1ed1c b\u1ea3o qu\u1ea3n c\u1ee7a n\u1ee9a <\/b><\/p>\n

Do nguy\u00ean li\u1ec7u n\u1ee9a nh\u1eadp v\u1ec1 t\u1ea1i c\u00e1c l\u00e0ng ngh\u1ec1 \u0111\u1ec1u \u1edf d\u1ea1ng thanh, do v\u1eady \u0111\u1ec1 t\u00e0i \u0111\u00e3 x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng th\u1ea5m thu\u1ed1c b\u1ea3o qu\u1ea3n c\u1ee7a n\u1ee9a \u1edf d\u1ea1ng thanh theo ph\u01b0\u01a1ng ph\u00e1p ng\u00e2m th\u01b0\u1eddng v\u1edbi thu\u1ed1c LN5<\/sub>.<\/p>\n

Kh\u1ea3 n\u0103ng th\u1ea5m thu\u1ed1c b\u1ea3o qu\u1ea3n LN5<\/sub> theo n\u1ed3ng \u0111\u1ed9 thu\u1ed1c v\u00e0 th\u1eddi gian ng\u00e2m:<\/b><\/p>\n

B\u1ea3ng 3.2: L\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m \u00a0LN5<\/sub> v\u1edbi th\u1eddi gian ng\u00e2m v\u00e0 n\u1ed3ng \u0111\u1ed9 thu\u1ed1c<\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

Th\u1eddi gian ng\u00e2m (ng\u00e0y)<\/p>\n<\/td>\n

\n

N\u1ed3ng \u0111\u1ed9 thu\u1ed1c (%)<\/p>\n<\/td>\n

\n

L\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m<\/p>\n

(kg thu\u1ed1c\/t\u1ea5n n\u1ee9a)<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

8,76<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

9<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

12,85<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n

\n

7<\/p>\n<\/td>\n

\n

13,92<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

9<\/p>\n<\/td>\n

\n

7<\/p>\n<\/td>\n

\n

14,54<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

7<\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n

\n

13,26<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Theo s\u1ed1 li\u1ec7u thu th\u1eadp, x\u00e2y d\u1ef1ng ph\u01b0\u01a1ng tr\u00ecnh t\u01b0\u01a1ng quan l\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m LN5<\/sub> v\u1edbi th\u1eddi gian ng\u00e2m v\u00e0 n\u1ed3ng \u0111\u1ed9 thu\u1ed1c:<\/p>\n

Y1 = 4,2635 + 0,5888*X1 + 0,8563*X2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0(1)<\/p>\n

T\u1eeb ph\u01b0\u01a1ng tr\u00ecnh t\u01b0\u01a1ng quan (1) thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c b\u1ea3ng sau:<\/p>\n

B\u1ea3ng 3.3: L\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m Y c\u1ee7a LN5<\/sub> v\u1edbi th\u1eddi gian ng\u00e2m X1 v\u00e0 n\u1ed3ng \u0111\u1ed9 thu\u1ed1c X2<\/p>\n\n\n\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

X1(ng\u00e0y)<\/p>\n<\/td>\n

\n

X2(%)<\/p>\n<\/td>\n

\n

Y(kg\/t\u1ea5n)<\/p>\n<\/td>\n<\/tr>\n

\n

1<\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n

\n

3<\/p>\n<\/td>\n

\n

9,78<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

6<\/p>\n<\/td>\n

\n

4<\/p>\n<\/td>\n

\n

11,22<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

7<\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n

\n

12,67<\/p>\n<\/td>\n<\/tr>\n

\n

4<\/p>\n<\/td>\n

\n

8<\/p>\n<\/td>\n

\n

6<\/p>\n<\/td>\n

\n

14,11<\/p>\n<\/td>\n<\/tr>\n

\n

5<\/p>\n<\/td>\n

\n

9<\/p>\n<\/td>\n

\n

7<\/p>\n<\/td>\n

\n

15,56<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u1eeb b\u1ea3ng tr\u00ean v\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ed3 th\u1ecb:<\/p>\n

\"BQ<\/a><\/p>\n

\u0110\u1ed3 th\u1ecb 1:\u00a0 L\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m c\u1ee7a LN5<\/sub> v\u1edbi th\u1eddi gian ng\u00e2m v\u00e0 n\u1ed3ng \u0111\u1ed9 thu\u1ed1c<\/p>\n

T\u1eeb ph\u01b0\u01a1ng tr\u00ecnh t\u01b0\u01a1ng quan, theo \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf c\u1ee7a s\u1ea3n xu\u1ea5t, y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m, t\u01b0\u01a1ng \u1ee9ng v\u1edbi l\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m ph\u00f9 h\u1ee3p, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c ch\u1ebf \u0111\u1ed9 ng\u00e2m t\u1ea9m ph\u00f9 h\u1ee3p. N\u1ebfu ng\u00e2m t\u1ea9m\u00a0 \u1edf n\u1ed3ng \u0111\u1ed9 thu\u1ed1c qu\u00e1 cao, th\u1eddi gian x\u1eed l\u00fd qu\u00e1 d\u00e0i, l\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m s\u1ebd qu\u00e1 cao, kh\u00f4ng c\u1ea7n thi\u1ebft, g\u00e2y l\u00e3ng ph\u00ed trong s\u1ea3n xu\u1ea5t, t\u0103ng gi\u00e1 th\u00e0nh, kh\u00f3 ti\u00eau th\u1ee5 trong l\u01b0u th\u00f4ng ph\u00e2n ph\u1ed1i h\u00e0ng ho\u00e1…<\/p>\n

3.3. Nghi\u00ean c\u1ee9u t\u00e1c \u0111\u1ed9ng b\u1ea3o qu\u1ea3n \u0111\u1ebfn t\u00ednh ch\u1ea5t c\u01a1 l\u00fd, m\u00e0u s\u1eafc n\u1ee9a: <\/b><\/p>\n

K\u1ebft qu\u1ea3 th\u1eed c\u01a1 l\u00fd \u1ee9ng l\u1ef1c k\u00e9o tr\u01b0\u1ee3t m\u00e0ng keo v\u00e0 \u0111\u1ed9 b\u1ec1n u\u1ed1n \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong b\u1ea3ng sau: <\/i><\/b><\/p>\n

B\u1ea3ng 3.4: \u0110\u1ed9 b\u1ec1n k\u00e9o tr\u01b0\u1ee3t m\u00e0ng keo, u\u1ed1n c\u1ee7a n\u1ee9a \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n<\/p>\n

\n\n\n\n\n\n
\n

TT<\/p>\n<\/td>\n

\n

Lo\u1ea1i m\u1eabu<\/p>\n<\/td>\n

\n

N\u1ed3ng \u0111\u1ed9 thu\u1ed1c (%)<\/p>\n<\/td>\n

\n

Th\u1eddi gian ng\u00e2m (ng\u00e0y)<\/p>\n<\/td>\n

\n

\u1ee8ng su\u1ea5t<\/p>\n

\u00a0k\u00e9o tr\u01b0\u1ee3t<\/p>\n

(KG\/cm2<\/sup>)<\/p>\n<\/td>\n

\n

\u1ee8ng su\u1ea5t<\/p>\n

\u00a0u\u1ed1n<\/p>\n

(KG\/cm2<\/sup>)<\/p>\n<\/td>\n<\/tr>\n

\n

2<\/p>\n<\/td>\n

\n

LN5<\/sub><\/p>\n<\/td>\n

\n

5<\/p>\n<\/td>\n

\n

7<\/p>\n<\/td>\n

\n

49.86<\/p>\n<\/td>\n

\n

48.75<\/p>\n<\/td>\n<\/tr>\n

\n

3<\/p>\n<\/td>\n

\n

\u0110C<\/p>\n<\/td>\n

\n

0<\/p>\n<\/td>\n

\n

7<\/p>\n<\/td>\n

\n

53.81<\/p>\n<\/td>\n

\n

50.52<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

K\u1ebft qu\u1ea3 cho th\u1ea5y \u1ea3nh h\u01b0\u1edfng c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n LN5<\/sub> t\u1edbi \u1ee9ng su\u1ea5t k\u00e9o tr\u01b0\u1ee3t m\u00e0ng keo v\u00e0 \u1ee9ng su\u1ea5t u\u1ed1n c\u1ee7a n\u1ee9a so v\u1edbi \u0111\u1ed1i ch\u1ee9ng l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3.<\/p>\n

V\u1edbi k\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1 t\u00e1c \u0111\u1ed9ng b\u1ea3o qu\u1ea3n \u0111\u1ebfn \u0111\u1ed9 thay \u0111\u1ed5i m\u00e0u s\u1eafc, nh\u1eefng s\u1ea3n ph\u1ea9m h\u00e0ng th\u1ee7 c\u00f4ng c\u1ea7n gi\u1eef m\u00e0u t\u1ef1 nhi\u00ean c\u1ee7a n\u1ee9a, \u0111\u01b0\u1ee3c s\u01a1n ph\u1ee7 b\u1eb1ng lo\u1ea1i s\u01a1n trong su\u1ed1t nh\u01b0 PU th\u00ec s\u1eed d\u1ee5ng LN5<\/sub>, h\u1ea7u nh\u01b0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi m\u1ef9 quan s\u1ea3n ph\u1ea9m.<\/p>\n

\u1ee8ng d\u1ee5ng k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u00e0o s\u1ea3n xu\u1ea5t th\u1eed nghi\u1ec7m t\u1ea1i l\u00e0ng ngh\u1ec1 c\u1ee7a t\u1ec9nh Nam \u0110\u1ecbnh \u0111\u01b0\u1ee3c m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m theo h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

\"BQ<\/a><\/p>\n

T\u1eeb k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m cho th\u1ea5y b\u1ea3o qu\u1ea3n n\u1ee9a l\u00e0m h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7 c\u00f3 t\u00ednh kh\u1ea3 thi, ng\u0103n ng\u1eeba \u0111\u01b0\u1ee3c sinh v\u1eadt g\u00e2y h\u1ea1i, \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u v\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 l\u00fd, \u0111\u1ed9 d\u00e1n d\u00ednh m\u00e0ng keo, s\u01a1n ph\u1ee7 b\u1ec1\u00a0 m\u1eb7t, m\u00e0u s\u1eafc s\u1ea3n ph\u1ea9m, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u th\u1ef1c t\u1ebf s\u1ea3n xu\u1ea5t l\u00e0ng ngh\u1ec1.<\/p>\n

III. K\u1ebeT LU\u1eacN, KI\u1ebeN NGH\u1eca<\/p>\n

K\u1ebft lu\u1eadn:<\/b><\/p>\n

N\u1ee9a l\u00e0 ngu\u1ed3n l\u00e2m s\u1ea3n c\u00f3 gi\u00e1 tr\u1ecb, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng. B\u01b0\u1edbc \u0111\u1ea7u nghi\u00ean c\u1ee9u b\u1ea3o qu\u1ea3n n\u1ee9a \u0111\u00e3 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 kh\u1ea3 quan. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u \u0111\u00e3 tuy\u1ec3n ch\u1ecdn \u0111\u01b0\u1ee3c lo\u1ea1i thu\u1ed1c b\u1ea3o qu\u1ea3n ph\u00f9 h\u1ee3p:<\/p>\n

Thu\u1ed1c LN5<\/sub> s\u1eed d\u1ee5ng \u1edf n\u1ed3ng \u0111\u1ed9 5%, th\u1eddi gian ng\u00e2m 7 ng\u00e0y, l\u01b0\u1ee3ng thu\u1ed1c th\u1ea5m \u0111\u1ea1t 12,67 kg\/t\u1ea5n n\u1ee9a, \u0111\u1ed9 \u0111\u1ed5i m\u00e0u DE=0,73, d\u00f9ng b\u1ea3o qu\u1ea3n cho m\u1eb7t h\u00e0ng c\u1ea7n nhu\u1ed9m m\u00e0u s\u1ea3n ph\u1ea9m. K\u1ebft qu\u1ea3 th\u1eed t\u00ednh ch\u1ea5t c\u01a1 l\u00fd, \u0111\u1ed9 b\u1ec1n d\u00e1n d\u00ednh cho th\u1ea5y qu\u00e1 tr\u00ecnh x\u1eed l\u00fd b\u1ea3o qu\u1ea3n n\u1ee9a b\u1eb1ng LN5<\/sub> \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng h\u00e0ng ho\u00e1, trang tr\u00ed b\u1ec1 m\u1eb7t v\u00e0 m\u1ef9 quan s\u1ea3n ph\u1ea9m.<\/p>\n

K\u1ebft qu\u1ea3 \u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m t\u1ea1i l\u00e0ng ngh\u1ec1 Y\u00ean Ti\u1ebfn, \u00dd Y\u00ean, t\u1ec9nh Nam \u0110\u1ecbnh, t\u1ea1o ra s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi s\u1ea3n xu\u1ea5t h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7.<\/p>\n

Ki\u1ebfn ngh\u1ecb<\/b>:<\/p>\n

Tr\u00ean \u0111\u00e2y l\u00e0 k\u1ebft qu\u1ea3 b\u01b0\u1edbc \u0111\u1ea7u nghi\u00ean c\u1ee9u b\u1ea3o qu\u1ea3n n\u1ee9a, \u0111\u1ec3 \u1ee9ng d\u1ee5ng v\u00e0o s\u1ea3n xu\u1ea5t c\u1ea7n th\u1eed nghi\u1ec7m v\u1edbi qui m\u00f4 l\u1edbn h\u01a1n, theo d\u00f5i \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a s\u1ea3n ph\u1ea9m h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7 v\u1edbi th\u1eddi gian d\u00e0i h\u01a1n.<\/p>\n

V. T\u00c0I LI\u1ec6U THAM KH\u1ea2O<\/p>\n

1. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc (2002), Nghi\u00ean c\u1ee9u k\u1ef9 thu\u1eadt b\u1ea3o qu\u1ea3n tre d\u00f9ng trong x\u00e2y d\u1ef1ng, Lu\u1eadn \u00e1n ti\u1ebfn s\u0129 k\u1ef9 thu\u1eadt.<\/p>\n

2. H\u1ed3 S\u0129 Tr\u00e1ng (2004), C\u01a1 s\u1edf ho\u00e1 h\u1ecdc g\u1ed7 v\u00e0 xenluloza, Nh\u00e0 xu\u1ea5t b\u1ea3n Khoa h\u1ecdc v\u00e0 K\u1ef9 thu\u1eadt.<\/p>\n

3. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc, Nguy\u1ec5n V\u0103n \u0110\u1ee9c (2005), B\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n – Ch\u1ebf ph\u1ea9m XM5<\/sub> – Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, Ti\u00eau chu\u1ea9n ng\u00e0nh.<\/p>\n

4. Nguy\u1ec5n V\u0103n \u0110\u1ee9c (2006), B\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n- Ch\u1ebf ph\u1ea9m b\u1ea3o qu\u1ea3n tre g\u1ed7 LN5<\/sub>– Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, Ti\u00eau chu\u1ea9n ng\u00e0nh.<\/p>\n

5. B\u1ed9 N\u00f4ng nghi\u1ec7p v\u00e0 PTNT (2009), Danh m\u1ee5c thu\u1ed1c b\u1ea3o v\u1ec7 th\u1ef1c v\u1eadt \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng, h\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng v\u00e0 c\u1ea5m s\u1eed d\u1ee5ng \u1edf Vi\u1ec7t Nam.<\/p>\n","protected":false},"excerpt":{"rendered":"

Nguy\u1ec5n V\u0103n \u0110\u1ee9c I. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0 N\u1ee9a l\u00e0 v\u1eadt li\u1ec7u t\u1ef1 nhi\u00ean, ngay sau khi khai th\u00e1c c\u0169ng nh\u01b0 qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, n\u1ee9a c\u00f3 th\u1ec3 b\u1ecb c\u00e1c lo\u00e0i sinh v\u1eadt nh\u01b0 m\u1ed1c, m\u1ecdt g\u00e2y h\u1ea1i, l\u00e0m gi\u1ea3m ph\u1ea9m ch\u1ea5t, ph\u00e1 h\u1ecfng h\u00e0ng ho\u00e1. V\u00ec v\u1eady, trong s\u1ea3n xu\u1ea5t h\u00e0ng th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,72],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13107"}],"collection":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=13107"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13107\/revisions"}],"predecessor-version":[{"id":13111,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/13107\/revisions\/13111"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=13107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=13107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=13107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}