{"id":14385,"date":"2015-03-18T10:36:26","date_gmt":"2015-03-18T03:36:26","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/?p=14385"},"modified":"2015-03-18T10:36:26","modified_gmt":"2015-03-18T03:36:26","slug":"nghien-cuu-su-dung-nguyen-lieu-thuc-vat-lam-thuoc-bao-quan-lam-san","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/nghien-cuu-su-dung-nguyen-lieu-thuc-vat-lam-thuoc-bao-quan-lam-san\/","title":{"rendered":"Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt l\u00e0m thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n"},"content":{"rendered":"

PGS.TS. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc
\n<\/i><\/b><\/p>\n

1. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/b><\/p>\n

B\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n (g\u1ed7, tre n\u1ee9a, song m\u00e2y) ph\u00f2ng ch\u1ed1ng sinh v\u1eadt ph\u00e1 ho\u1ea1i \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ng\u00e0nh khoa h\u1ecdc t\u1eeb \u0111\u1ea7u th\u1ebf k\u1ef7 XX. Thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n \u0111\u01b0\u1ee3c d\u00f9ng \u1edf Vi\u1ec7t Nam v\u00e0 tr\u00ean th\u1ebf gi\u1edbi h\u1ea7u h\u1ebft l\u00e0 h\u1ed7n h\u1ee3p c\u00e1c h\u00f3a ch\u1ea5t v\u00f4 c\u01a1 ho\u1eb7c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 t\u1ed5ng h\u1ee3p trong c\u00f4ng nghi\u1ec7p h\u00f3a h\u1ecdc. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 h\u00f3a ch\u1ea5t do \u0111\u1ed9c t\u1ed1 cao v\u1edbi con ng\u01b0\u1eddi v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng n\u00ean \u0111\u00e3 b\u1ecb c\u1ea5m s\u1eed d\u1ee5ng tr\u00ean ph\u1ea1m vi to\u00e0n c\u1ea7u. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fd do th\u00fac \u0111\u1ea9y c\u00f4ng t\u00e1c nghi\u00ean c\u1ee9u t\u00ecm ki\u1ebfm nh\u1eefng h\u1ee3p ch\u1ea5t sinh h\u1ecdc v\u1eeba c\u00f3 t\u00ednh n\u0103ng ph\u00f2ng tr\u1eeb sinh v\u1eadt h\u1ea1i l\u00e2m s\u1ea3n v\u1eeba \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ti\u00eau ch\u00ed an to\u00e0n .<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u th\u1eed nghi\u1ec7m hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng m\u1ed1i Odontotermes <\/i>v\u00e0 <\/i>Coptotermes<\/i> c\u1ee7a d\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng d\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u l\u00e0m thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n [1]. C\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u \u0111\u00e1nh gi\u00e1 ho\u1ea1t t\u00ednh kh\u00e1ng m\u1ed1i Coptotermes formosanus<\/i> c\u1ee7a tinh d\u1ea7u t\u00e1ch t\u1eeb l\u00e1 c\u00e2y B\u1ea1ch \u0111\u00e0n [3], ho\u1ea1t t\u00ednh kh\u00e1ng n\u1ea5m m\u1ee5c h\u1ea1i g\u1ed7 c\u1ee7a d\u1ecbch chi\u1ebft t\u1eeb t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a c\u00e2y Cerbera odollam<\/i> [4], ho\u1ea1t t\u00ednh kh\u00e1ng n\u1ea5m bi\u1ebfn m\u00e0u v\u00e0 n\u1ea5m m\u1ee5c tr\u1eafng tr\u00ean b\u1ec1 m\u1eb7t g\u1ed7 cau su t\u1eeb tinh d\u1ea7u c\u00e2y B\u1ea1c h\u00e0 v\u00e0 B\u1ea1ch \u0111\u00e0n [5] l\u00e0 nh\u1eefng c\u00f4ng b\u1ed1 \u0111i\u1ec3n h\u00ecnh v\u00e0 m\u1edbi nh\u1ea5t c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111ang quan t\u00e2m \u0111\u1ebfn h\u01b0\u1edbng nghi\u00ean c\u1ee9u n\u00e0y tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n

V\u1edbi \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean \u01b0u \u0111\u00e3i, h\u1ec7 th\u1ef1c v\u1eadt c\u1ee7a Vi\u1ec7t Nam r\u1ea5t \u0111a d\u1ea1ng v\u00e0 phong ph\u00fa v\u1ec1 th\u00e0nh ph\u1ea7n lo\u00e0i.\u00a0 Tr\u00ean c\u01a1 s\u1edf k\u1ebf th\u1eeba kinh nghi\u1ec7m trong th\u1ef1c t\u1ebf v\u00e0 c\u00e1c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u v\u1ec1 s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt ph\u00f2ng tr\u1eeb sinh v\u1eadt g\u00e2y h\u1ea1i trong n\u00f4ng nghi\u1ec7p, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam \u0111\u00e3 nghi\u00ean c\u1ee9u kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u, d\u1ea7u h\u1ea1t Neem, d\u1ea7u h\u1ea1t C\u00f3c h\u00e0nh v\u00e0 Tannin chi\u1ebft su\u1ea5t t\u1eeb c\u1ee7 N\u00e2u \u0111\u1ec3 l\u00e0m thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n.<\/p>\n

\u00a02. N\u1ed8I DUNG V\u00c0 PH\u01af\u01a0NG PH\u00c1P NGHI\u00caN C\u1ee8U<\/b><\/p>\n

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

–\u00a0 \u0110\u00e1nh gi\u00e1 hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng c\u00f4n tr\u00f9ng v\u00e0 n\u1ea5m g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n c\u1ee7a c\u00e1c ho\u1ea1t ch\u1ea5t th\u1ef1c v\u1eadt<\/p>\n

–\u00a0 Nghi\u00ean c\u1ee9u n\u00e2ng cao hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng sinh v\u1eadt g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n cho c\u00e1c ho\u1ea1t ch\u1ea5t th\u1ef1c v\u1eadt<\/p>\n

– \u0110\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ebf ph\u1ea9m b\u1ea3o qu\u1ea3n t\u1edbi m\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh c\u1ee7a g\u1ed7 t\u1ea9m<\/p>\n

+ X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u0103n m\u00f2n kim lo\u1ea1i c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n t\u1eeb nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt<\/p>\n

+ \u0110\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n t\u1edbi m\u00e0u s\u1eafc g\u1ed7<\/p>\n

+ \u0110\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng trang s\u1ee9c g\u1ed7<\/p>\n

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

\u00a0 a\/ Nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt:<\/b><\/p>\n

– D\u1ea7u t\u1eeb v\u1ecf h\u1ea1t \u0110i\u1ec1u (Anacardium occidentale<\/i> L): \u00a0Thu mua t\u1ea1i c\u01a1 s\u1edf \u00e9p d\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u t\u1ea1i Th\u00e0nh ph\u1ed1 H\u1ed3 Ch\u00ed Minh.<\/p>\n

– D\u1ea7u h\u1ea1t C\u00f3c h\u00e0nh Azadirachta excelsa <\/i>(Jack) <\/i>Jacobs: H\u1ea1t C\u00f3c h\u00e0nh \u0111\u01b0\u1ee3c thu h\u00e1i \u1edf t\u1ec9nh Ninh Thu\u1eadn. Lo\u1ea1i b\u1ecf v\u1ecf \u0111\u1ec3 l\u1ea5y nh\u00e2n h\u1ea1t. Ph\u1ea7n nh\u00e2n h\u1ea1t \u0111\u01b0\u1ee3c nghi\u1ec1n nh\u1ecf, \u00e9p t\u00e1ch d\u1ea7u.<\/p>\n

– D\u1ea7u h\u1ea1t Neem (Azadirachta Indica<\/i> A.Juss): H\u1ea1t Neem \u0111\u01b0\u1ee3c thu h\u00e1i t\u1ea1i t\u1ec9nh Ninh Thu\u1eadn. Lo\u1ea1i b\u1ecf v\u1ecf \u0111\u1ec3 l\u1ea5y nh\u00e2n h\u1ea1t. Ph\u1ea7n nh\u00e2n h\u1ea1t \u0111\u01b0\u1ee3c nghi\u1ec1n nh\u1ecf, \u00e9p t\u00e1ch d\u1ea7u.<\/p>\n

– Tannin t\u00e1ch t\u1eeb c\u1ee7 N\u00e2u Dioscorea cirrhosa<\/i>: C\u1ee7 N\u00e2u sau khi \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch, lo\u1ea1i v\u1ecf \u0111\u1ec3 thu l\u1ea5y ph\u1ea7n th\u1ecbt c\u1ee7. Th\u1ecbt c\u1ee7 \u0111\u01b0\u1ee3c th\u00e1i nh\u1ecf v\u00e0 \u00e9p l\u1ea5y d\u1ecbch. C\u00f4 \u0111\u1eb7c d\u1ecbch \u00e9p thu \u0111\u01b0\u1ee3c Tannin d\u1ea1ng r\u1eafn m\u00e0u n\u00e2u s\u1eabm.<\/p>\n

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

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ph\u01b0\u01a1ng ph\u00e1p kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n v\u1edbi\u00a0 m\u1ed1i<\/b>:<\/p>\n

M\u1eabu g\u1ed7 (B\u1ed3 \u0111\u1ec1, Tr\u00e1m tr\u1eafng) \u0111\u01b0\u1ee3c t\u1ea9m dung d\u1ecbch thu\u1ed1c c\u1ea7n kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c theo ph\u01b0\u01a1ng ph\u00e1p nh\u00fang 10 ph\u00fat v\u00e0 ng\u00e2m th\u01b0\u1eddng v\u1edbi th\u1eddi gian 24 gi\u1edd. M\u1eabu \u0111\u1ed1i ch\u1ee9ng \u0111\u01b0\u1ee3c t\u1ea9m b\u1eb1ng dung m\u00f4i t\u01b0\u01a1ng \u1ee9ng. \u0110\u1eb7t m\u1eabu kh\u1ea3o nghi\u1ec7m v\u00e0o m\u00f4i tr\u01b0\u1eddng \u0111ang c\u00f3 m\u1ed1i ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh. Sau th\u1eddi gian m\u1ed9t th\u00e1ng, g\u1ee1 m\u1ea5u v\u00e0 \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m v\u1edbi \u0111i\u1ec1u ki\u1ec7n 70% s\u1ed1 m\u1eabu \u0111\u1ed1i ch\u1ee9ng b\u1ecb m\u1ed1i \u0103n.<\/p>\n

\u0110\u00e1nh gi\u00e1 hi\u1ec7u l\u1ef1c ph\u00f2ng m\u1ed1i c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c kh\u1ea3o nghi\u1ec7m c\u0103n c\u1ee9 v\u00e0o c\u00e1c ch\u1ec9 s\u1ed1 sau: T\u1ef7 l\u1ec7 % s\u1ed1 m\u1eabu c\u00f3 v\u1ebft m\u1ed1i \u0103n (X%); T\u1ef7 l\u1ec7 % s\u1ed1 m\u1eabu c\u00f3 v\u1ebft m\u1ed1i \u0103n r\u1ed9ng b\u1eb1ng v\u00e0 h\u01a1n 1 cm2<\/sup> (Y%); T\u1ef7 l\u1ec7 % s\u1ed1 m\u1eabu c\u00f3 v\u1ebft m\u1ed1i \u0103n s\u00e2u b\u1eb1ng ho\u1eb7c h\u01a1n 1mm (Z%).<\/p>\n

K\u1ebft\u00a0 qu\u1ea3 \u0111\u01b0\u1ee3c qui \u0111\u1ecbnh:\u00a0 X%, Y%, Z% t\u1eeb 0% \u0111\u1ebfn 30% \u0111\u1ea1t 3 \u0111i\u1ec3m; L\u1edbn h\u01a1n 30% \u0111\u1ebfn 60% \u0111\u1ea1t 2 \u0111i\u1ec3m; L\u1edbn h\u01a1n 60% \u0111\u1ebfn 100 % \u0111\u1ea1t 1 \u0111i\u1ec3m. T\u1ed5ng h\u1ee3p s\u1ed1 \u0111i\u1ec3m c\u1ee7a 3 ch\u1ec9 ti\u00eau tr\u00ean, n\u1ebfu c\u00f4ng th\u1ee9c n\u00e0o\u00a0 \u0111\u1ea1t 3-4 \u0111i\u1ec3m l\u00e0 c\u00f3 hi\u1ec7u l\u1ef1c t\u1ed1t v\u1edbi m\u1ed1i, \u0111\u1ea1t 5-7 \u0111i\u1ec3m l\u00e0 c\u00f3 hi\u1ec7u l\u1ef1c trung b\u00ecnh, n\u1ebfu \u0111\u1ea1t tr\u00ean 8 \u0111i\u1ec3m l\u00e0 c\u00f3 hi\u1ec7u l\u1ef1c k\u00e9m v\u1edbi m\u1ed1i.<\/p>\n

–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Ph\u01b0\u01a1ng ph\u00e1p kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n v\u1edbi\u00a0 n\u1ea5m<\/b>:<\/p>\n

M\u1eabu g\u1ed7 \u0111\u01b0\u1ee3c t\u1ea9m b\u1eb1ng c\u00e1c dung d\u1ecbch thu\u1ed1c c\u1ea7n kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c theo 2 ph\u01b0\u01a1ng ph\u00e1p nh\u00fang 10 ph\u00fat v\u00e0 ng\u00e2m trong 24 gi\u1edd. M\u1eabu \u0111\u1ed1i ch\u1ee9ng \u0111\u01b0\u1ee3c t\u1ea9m b\u1eb1ng dung m\u00f4i t\u01b0\u01a1ng \u1ee9ng. M\u1eabu sau x\u1eed l\u00fd \u0111\u01b0\u1ee3c \u0111\u1ec3 hong kh\u00f4 t\u1ef1 nhi\u00ean, sau \u0111\u00f3 \u0111\u01b0a v\u00e0o b\u00ecnh colexan \u0111\u00e3 c\u00f3 khu\u1ea9n ty c\u1ee7a n\u1ea5m h\u1ea1i g\u1ed7 m\u1ecdc k\u00edn m\u1eb7t th\u1ea1ch. Sau 4 th\u00e1ng, g\u1ee1 m\u1eabu, x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4 ki\u1ec7t m\u1eabu g\u1ed7 sau kh\u1ea3o nghi\u1ec7m, quan s\u00e1t v\u00e0 \u0111\u00e1nh gi\u00e1. \u0110i\u1ec1u ki\u1ec7n \u0111\u00e1nh gi\u00e1: 70% m\u1eabu g\u1ed7 \u0111\u1ed1i ch\u1ee9ng ph\u1ea3i b\u1ecb bi\u1ebfn m\u00e0u, m\u1ee5c m\u1ec1m v\u00e0 hao h\u1ee5t kh\u1ed1i l\u01b0\u1ee3ng.<\/p>\n

Hi\u1ec7u l\u1ef1c c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n qua 3 ch\u1ec9 ti\u00eau: X%, Y%, Z% l\u1ea7n l\u01b0\u1ee3t l\u00e0 t\u1ef7 l\u1ec7 % di\u1ec7n t\u00edch bi\u1ebfn m\u00e0u, t\u1ef7 l\u1ec7 % di\u1ec7n t\u00edch m\u1ee5c m\u1ec1m v\u00e0 t\u1ef7 l\u1ec7 % hao h\u1ee5t kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu g\u1ed7. K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c qui \u0111\u1ecbnh:\u00a0 X, Y, Z t\u1eeb 0-30% \u0111\u1ea1t 3 \u0111i\u1ec3m; l\u1edbn h\u01a1n 30% \u0111\u1ebfn 60% \u0111\u1ea1t 2 \u0111i\u1ec3m; l\u1edbn h\u01a1n 60% \u0111\u1ebfn 100% \u0111\u1ea1t 1 \u0111i\u1ec3m<\/p>\n

T\u1ed5ng h\u1ee3p s\u1ed1 \u0111i\u1ec3m c\u1ee7a 3 ch\u1ec9 ti\u00eau: N\u1ebfu c\u00f4ng th\u1ee9c n\u00e0o \u0111\u1ea1t 8 \u0111\u1ebfn 9 \u0111i\u1ec3m l\u00e0 c\u00f3 hi\u1ec7u l\u1ef1c k\u00e9m; \u0111\u1ea1t 5 \u0111\u1ebfn 7 \u0111i\u1ec3m l\u00e0 c\u00f3 hi\u1ec7u l\u1ef1c trung b\u00ecnh; \u0111\u1ea1t 3 \u0111\u1ebfn 4 \u0111i\u1ec3m l\u00e0 c\u00f3 hi\u1ec7u l\u1ef1c t\u1ed1t<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p<\/b> x<\/b>\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u0103n m\u00f2n kim lo\u1ea1i c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n<\/b>: \u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p c\u1ee7a Schikorr (Nga). \u0110\u00e1nh gi\u00e1 \u0111\u1ed9 \u0103n m\u00f2n kim lo\u1ea1i c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n b\u1eb1ng t\u1ef7 l\u1ec7 hao h\u1ee5t kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a th\u00e9p CT3 theo th\u1eddi gian .<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n t\u1edbi m\u00e0u s\u1eafc g\u1ed7<\/b>: \u00c1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n x\u1ea1 quang ph\u1ed5 tr\u00ean thi\u1ebft b\u1ecb Gretag Macbeth ColorEye 2180 v\u1edbi ngu\u1ed3n s\u00e1ng D65; CMC 2:1. Ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 theo ISO 105 \u2013 J01:1997 v\u00e0 ISO 103 \u2013 J01:1995 t\u1ea1i Vi\u1ec7n D\u1ec7t may Vi\u1ec7t Nam.<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng trang s\u1ee9c b\u1ec1 m\u1eb7t g\u1ed7:<\/b> <\/b>Ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng trang s\u1ee9c tr\u00ean m\u1eabu g\u1ed7 t\u1ea9m c\u00e1c ch\u1ebf ph\u1ea9m \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1\u00a0 theo ti\u00eau chu\u1ea9n Ti\u1ec7p Kh\u1eafc CNS 673085. \u0110\u00f3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p k\u1ebb \u00f4 vu\u00f4ng.<\/p>\n

\u00a03. K\u1ebeT QU\u1ea2 V\u00c0 TH\u1ea2O LU\u1eacN<\/b><\/p>\n

3.1. \u0110\u00e1nh gi\u00e1 hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng c\u00f4n tr\u00f9ng v\u00e0 n\u1ea5m g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n c\u1ee7a c\u00e1c ho\u1ea1t ch\u1ea5t th<\/b>\u1ef1c v\u1eadt<\/b> <\/b><\/b><\/p>\n

B\u1ea3ng 1. Hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng m\u1ed1i g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n<\/b><\/p>\n

c\u1ee7a d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u, d\u1ea7u Neem, d\u1ea7u C\u00f3c h\u00e0nh, Tannin <\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

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

\n

T\u1ef7 l\u1ec7<\/b><\/p>\n<\/td>\n

\n

Ph\u01b0\u01a1ng ph\u00e1p t\u1ea9m<\/b><\/p>\n<\/td>\n

\n

\u0110i\u1ec3m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 x\u00e2m h\u1ea1i c\u1ee7a m\u1ed1i v\u1edbi m\u1eabu kh\u1ea3o nghi\u1ec7m<\/b><\/p>\n<\/td>\n

\n

K\u1ebft lu\u1eadn v\u1ec1 hi\u1ec7u l\u1ef1c<\/b><\/p>\n<\/td>\n<\/tr>\n

X%<\/td>\nY%<\/td>\nZ%<\/td>\nT\u1ed5ng h\u1ee3p<\/td>\n<\/tr>\n
\n

I<\/b><\/p>\n<\/td>\n

Dung d\u1ecbch d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u<\/b><\/td>\n\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

10 %<\/p>\n<\/td>\n

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

15 %<\/p>\n<\/td>\n

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

II<\/b><\/p>\n<\/td>\n

Dung d\u1ecbch d\u1ea7u Neem<\/b><\/td>\n\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

III<\/b><\/p>\n<\/td>\n

Dung d\u1ecbch d\u1ea7u C\u00f3c h\u00e0nh<\/b><\/td>\n\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

IV<\/b><\/p>\n<\/td>\n

Dung d\u1ecbch Tannin<\/b><\/td>\n\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n

\n

\n<\/td>\n<\/tr>\n

\n

\n<\/td>\n

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

\n<\/td>\n

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

\n<\/td>\n

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

\n<\/td>\n

\n

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

\n

Nh\u00fang<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Ng\u00e2m<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

Nh\u1eadn x\u00e9t:<\/b><\/p>\n

C\u1ea3 04 lo\u1ea1i ho\u1ea1t ch\u1ea5t th\u1ef1c v\u1eadt \u0111\u1ec1u th\u1ec3 hi\u1ec7n hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng c\u00f4n tr\u00f9ng g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n \u1edf m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau. \u0110\u1ec1 t\u00e0i \u0111\u00e3 ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u n\u00e2ng cao hi\u1ec7u l\u1ef1c cho c\u00e1c ho\u1ea1t ch\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh hi\u1ec7u l\u1ef1c v\u1edbi sinh v\u1eadt g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n nh\u1eb1m \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c\u00a0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n c\u1ee7a thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n.<\/p>\n

3.2. K\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh ph\u1ee5 gia v\u00e0 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng ho\u1ea1t ch\u1ea5t th\u1ef1c v\u1eadt t\u1ea1o thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n<\/b><\/p>\n

a\/ \u0110\u1ed1i v\u1edbi d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u: <\/b>D\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u\u00a0 \u0111\u01b0\u1ee3c x\u1ee5c kh\u00ed clo trong th\u00e1p c\u00f3 \u0111\u1ec7m tr\u01a1, l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc l\u1ea1nh, th\u1eddi gian x\u1ee5c kh\u00ed l\u00e0 10 ph\u00fat, \u00e1p su\u1ea5t kh\u00ed clo \u0111\u1ea7u ra 0,01 Mpa.<\/p>\n

D\u1ea7u sau khi x\u1ee5c kh\u00ed clo \u0111\u01b0\u1ee3c pha v\u1edbi dung m\u00f4i diezen v\u1edbi c\u00e1c c\u1ea5p t\u1ef7 l\u1ec7 theo kh\u1ed1i l\u01b0\u1ee3ng t\u1ea1o c\u00e1c d\u1ee5ng d\u1ecbch th\u1eed nghi\u1ec7m<\/p>\n

B\u1ea3ng 2. Hi\u1ec7u l\u1ef1c ph\u00f2ng m\u1ed1i c\u1ee7a dung d\u1ecbch d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u sau x\u1ee5c kh\u00ed clo<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n
\n

T\u1ef7 l\u1ec7 \u00a0DVH\u0110 (%)<\/p>\n<\/td>\n

\n

Ph\u01b0\u01a1ng ph\u00e1p t\u1ea9m<\/p>\n<\/td>\n

\n

\u0110i\u1ec3m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 x\u00e2m h\u1ea1i c\u1ee7a m\u1ed1i tr\u00ean m\u1eabu t\u1ea9m<\/p>\n<\/td>\n

K\u1ebft lu\u1eadn v\u1ec1 hi\u1ec7u l\u1ef1c<\/td>\n<\/tr>\n
\n

X%<\/p>\n<\/td>\n

\n

Y%<\/p>\n<\/td>\n

\n

Z%<\/p>\n<\/td>\n

\n

T\u1ed5ng h\u1ee3p \u0111i\u1ec3m<\/p>\n<\/td>\n<\/tr>\n

\n

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

Nh\u00fang<\/td>\n\n

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

\n

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

\n

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

\n

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

\n

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

Ng\u00e2m<\/td>\n\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

Nh\u00fang<\/td>\n\n

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

\n

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

\n

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

\n

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

\n

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

Ng\u00e2m<\/td>\n\n

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

\n

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

\n

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

\n

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

\n

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

\n

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

Nh\u00fang<\/td>\n\n

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

\n

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

\n

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

\n

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

\n

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

Ng\u00e2m<\/td>\n\n

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

\n

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

\n

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

\n

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

\n

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

So s\u00e1nh k\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m hi\u1ec7u l\u1ef1c c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c ch\u1ee9a d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u tr\u01b0\u1edbc v\u00e0 sau khi x\u1ee5c kh\u00ed clo cho th\u1ea5y \u0111\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u sau x\u1ee7 l\u00fd clo \u0111\u00e3 gi\u1ea3m \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng t\u1eeb 15% xu\u1ed1ng c\u00f2n 9% v\u00e0 hi\u1ec7u l\u1ef1c v\u1eabn \u0111\u1ea3m b\u1ea3o t\u1ed1t.<\/p>\n

b\/ \u0110\u1ed1i v\u1edbi<\/b> d\u1ea7u Neem, d\u1ea7u C\u00f3c h\u00e0nh<\/b>: \u0110\u1ec1 t\u00e0i l\u1ef1a ch\u1ecdn ph\u1ee5 gia l\u00e0 h\u1ee3p ch\u1ea5t thu\u1ed9c nh\u00f3m Pyrethroit. M\u1ee9c th\u1eed nghi\u1ec7m s\u1eed d\u1ee5ng ph\u1ee5 gia cho c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m l\u00e0: 0,1; 0,2; 0,3% (t\u1ef7 l\u1ec7 theo kh\u1ed1i l\u01b0\u1ee3ng).\u00a0 M\u1ee9c t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng c\u1ee7a d\u1ea7u Neem l\u00e0 4%. M\u1ee9c t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng c\u1ee7a d\u1ea7u C\u00f3c h\u00e0nh l\u00e0 2% \u0111\u1ec3 ph\u1ed1i h\u1ee3p v\u1edbi ph\u1ee5 gia t\u1ea1o c\u00e1c dung d\u1ecbch th\u00ed nghi\u1ec7m .<\/p>\n

B\u1ea3ng 3 . Hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng m\u1ed1i g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n c\u1ee7a<\/b><\/p>\n

d\u1ea7u Neem v\u00e0 d\u1ea7u C\u00f3c h\u00e0nh k\u1ebft h\u1ee3p v\u1edbi ph\u1ee5 gia<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

C\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m<\/b><\/p>\n<\/td>\n

\n

K\u00fd hi\u1ec7u<\/b><\/p>\n<\/td>\n

\n

\u0110i\u1ec3m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 x\u00e2m h\u1ea1i c\u1ee7a m\u1ed1i tr\u00ean m\u1eabu t\u1ea9m <\/b><\/p>\n

\u00a0<\/b><\/p>\n<\/td>\n

\n

K\u1ebft\u00a0 lu\u1eadn v\u1ec1 hi\u1ec7u l\u1ef1c<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

X%<\/p>\n

\n<\/td>\n

\n

Y%<\/p>\n<\/td>\n

\n

Z%<\/p>\n<\/td>\n

\n

T\u1ed5ng h\u1ee3p \u0111i\u1ec3m<\/p>\n<\/td>\n<\/tr>\n

\n

Neem<\/p>\n

+ PG<\/p>\n

\n<\/td>\n

\n

N1<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

N2<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

N3<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

Neem \u0111\u1ed1i ch\u1ee9ng <\/b><\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

T. b\u00ecnh<\/p>\n<\/td>\n<\/tr>\n

\n

C\u00f3c h\u00e0nh<\/p>\n

+ PG<\/p>\n<\/td>\n

\n

C1<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

C2<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

C3<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

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

\n

C\u00f3c h\u00e0nh \u0111\u1ed1i\u00a0 ch\u1ee9ng<\/b><\/p>\n<\/td>\n

\n

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

\n

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

\n

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

\n

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

\n

T. b\u00ecnh<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u1eadn x\u00e9t<\/b>: V\u1edbi m\u1ee9c s\u1eed d\u1ee5ng ph\u1ee5 gia 0,1%, c\u00e1c c\u00f4ng th\u1ee9c th\u1eed nghi\u1ec7m \u0111\u1ec1u cho hi\u1ec7u l\u1ef1c \u0111\u1ea1t m\u1ee9c t\u1ed1t. Tuy nhi\u00ean, m\u1eabu g\u1ed7 kh\u1ea3o nghi\u1ec7m v\u1eabn b\u1ecb m\u1ed1i x\u00e2m h\u1ea1i nh\u1eb9.\u00a0 \u1ede t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng 0,2%, v\u00e0 0,3%, ch\u1ec9 c\u00f2n m\u1ed9t v\u00e0i s\u1ed1 m\u1eabu g\u1ed7 c\u00f3 v\u1ebft m\u1ed1i t\u1ea5n c\u00f4ng nh\u1eb9 v\u00e0 c\u00e1c c\u00f4ng th\u1ee9c th\u1eed nghi\u1ec7m \u0111\u1ec1u \u0111\u1ea1t hi\u1ec7u l\u1ef1c t\u1ed1t. C\u0103n c\u1ee9 v\u00e0o k\u1ebft qu\u1ea3 kh\u1ea3o nghi\u1ec7m, l\u1ef1a ch\u1ecdn t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng ph\u1ee5 gia l\u00e0 0,2% \u0111\u1ec3 ph\u1ed1i h\u1ee3p c\u00f9ng v\u1edbi d\u1ea7u Neem, C\u00f3c h\u00e0nh.<\/p>\n

\u00a0\u0110\u1ed1i v\u1edbi Tannin:\u00a0 <\/b>L\u1ef1a ch\u1ecdn ph\u1ee5 gia c\u00f3 kh\u1ea3 n\u0103ng h\u00f2a tan trong n\u01b0\u1edbc cho cho Tannin g\u1ed3m c\u00e1c h\u1ee3p ch\u1ea5t boron v\u00e0 fluo. C\u00e1c m\u1ee9c th\u1eed nghi\u1ec7m s\u1eed d\u1ee5ng ph\u1ee5 gia cho c\u00e1c c\u00f4ng th\u1ee9c th\u00ed nghi\u1ec7m l\u00e0: 0,5; 1,0; v\u00e0 1,5 % (t\u1ef7 l\u1ec7 theo kh\u1ed1i l\u01b0\u1ee3ng). Tannin th\u1eed nghi\u1ec7m \u1edf c\u1ea5p n\u1ed3ng \u0111\u1ed9 4% \u0111\u1ed1i v\u1edbi n\u1ea5m g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n.<\/p>\n

K\u00fd hi\u1ec7u c\u00f4ng th\u1ee9c th\u1eed nghi\u1ec7m c\u00f3 ph\u1ee5 gia mu\u1ed1i fluo l\u00e0: TA1, TA2, TA3<\/p>\n

K\u00fd hi\u1ec7u c\u00f4ng th\u1ee9c th\u1eed nghi\u1ec7m c\u00f3 ph\u1ee5 gia boron l\u00e0: TB1, TB2, TB3.<\/p>\n

B\u1ea3ng 4. Hi\u1ec7u l\u1ef1c ph\u00f2ng ch\u1ed1ng m\u1ed1i n\u1ea5m g\u00e2y h\u1ea1i c\u1ee7a <\/b><\/p>\n

Tannin k\u1ebft h\u1ee3p v\u1edbi ph\u1ee5 gia<\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

T\u1ef7 l\u1ec7<\/b><\/p>\n<\/td>\n

\n

Ph\u01b0\u01a1ng ph\u00e1p t\u1ea9m<\/b><\/p>\n<\/td>\n

\n

\u0110i\u1ec3m \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 x\u00e2m h\u1ea1i c\u1ee7a n\u1ea5m v\u1edbi m\u1eabu g\u1ed7 kh\u1ea3o nghi\u1ec7m<\/b><\/p>\n<\/td>\n

\n

K\u1ebft lu\u1eadn v\u1ec1 hi\u1ec7u l\u1ef1c<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

N\u1ea5m m\u1ed1c Ni<\/p>\n<\/td>\n

\n

N\u1ea5m m\u1ee5c Pa<\/p>\n<\/td>\n

\n

N\u1ea5m m\u1ee5c<\/p>\n

Len<\/p>\n<\/td>\n

\n

\u0110i\u1ec3m trung b\u00ecnh<\/p>\n<\/td>\n<\/tr>\n

TA1<\/td>\nNh\u00fang<\/td>\n\n

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

\n

6,5<\/p>\n<\/td>\n

\n

6,5<\/p>\n<\/td>\n

\n

6,5<\/p>\n<\/td>\n

\n

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

Ng\u00e2m<\/td>\n\n

5,7<\/p>\n<\/td>\n

\n

5,6<\/p>\n<\/td>\n

\n

5,6<\/p>\n<\/td>\n

\n

5,6<\/p>\n<\/td>\n

\n

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

TA2<\/td>\nNh\u00fang<\/td>\n\n

6,0<\/p>\n<\/td>\n

\n

5,7<\/p>\n<\/td>\n

\n

5,7<\/p>\n<\/td>\n

\n

5,8<\/p>\n<\/td>\n

\n

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

Ng\u00e2m<\/td>\n\n

5,3<\/p>\n<\/td>\n

\n

5,3<\/p>\n<\/td>\n

\n

5,3<\/p>\n<\/td>\n

\n

5,3<\/p>\n<\/td>\n

\n

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

TA3<\/td>\nNh\u00fang<\/td>\n\n

5,3<\/p>\n<\/td>\n

\n

5,6<\/p>\n<\/td>\n

\n

5,3<\/p>\n<\/td>\n

\n

5,4<\/p>\n<\/td>\n

\n

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

Ng\u00e2m<\/td>\n\n

4,8<\/p>\n<\/td>\n

\n

4,5<\/p>\n<\/td>\n

\n

4,5<\/p>\n<\/td>\n

\n

4,6<\/p>\n<\/td>\n

\n

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

TB1<\/td>\nNh\u00fang<\/td>\n\n

5,6<\/p>\n<\/td>\n

\n

5,3<\/p>\n<\/td>\n

\n

5,3<\/p>\n<\/td>\n

\n

5,4<\/p>\n<\/td>\n

\n

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

Ng\u00e2m<\/td>\n\n

4,8<\/p>\n<\/td>\n

\n

4,8<\/p>\n<\/td>\n

\n

4,6<\/p>\n<\/td>\n

\n

4,7<\/p>\n<\/td>\n

\n

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

TB2<\/td>\nNh\u00fang<\/td>\n\n

5,3<\/p>\n<\/td>\n

\n

4,8<\/p>\n<\/td>\n

\n

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

\n

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

\n

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

Ng\u00e2m<\/td>\n\n

3,5<\/p>\n<\/td>\n

\n

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

\n

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

\n

3,2<\/p>\n<\/td>\n

\n

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

TB3<\/td>\nNh\u00fang<\/td>\n\n

4,6<\/p>\n<\/td>\n

\n

4,8<\/p>\n<\/td>\n

\n

4,8<\/p>\n<\/td>\n

\n

4,7<\/p>\n<\/td>\n

\n

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

Ng\u00e2m<\/td>\n\n

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

\n

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

\n

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

\n

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

\n

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

Tannin<\/p>\n

\u0110.ch\u1ee9ng<\/td>\n

Nh\u00fang<\/td>\n\n

7,2<\/p>\n<\/td>\n

\n

6,5<\/p>\n<\/td>\n

\n

6,7<\/p>\n<\/td>\n

\n

6,8<\/p>\n<\/td>\n

\n

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

Ng\u00e2m<\/td>\n\n

6.2<\/p>\n<\/td>\n

\n

5.7<\/p>\n<\/td>\n

\n

5,7<\/p>\n<\/td>\n

\n

5,9<\/p>\n<\/td>\n

\n

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

Nh\u1eadn x\u00e9t<\/b>: c\u00e1c c\u00f4ng th\u1ee9c ph\u1ed1i h\u1ee3p Tannin v\u1edbi h\u1ee3p ch\u1ea5t Boron c\u00f3 hi\u1ec7u l\u1ef1c kh\u00e1ng n\u1ea5m cao h\u01a1n so v\u1edbi d\u00f9ng ph\u1ee5 gia l\u00e0 mu\u1ed1i Fluo. Do v\u1eady, \u00a0l\u1ef1a ch\u1ecdn ph\u1ee5 gia cho Tannin l\u00e0 h\u1ee3p ch\u1ea5t Boron v\u00e0 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng l\u00e0 1%.<\/p>\n

3.3. \u0110\u00e1nh gi\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ebf ph\u1ea9m b\u1ea3o qu\u1ea3n t\u1edbi m\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh c\u1ee7a g\u1ed7 t\u1ea9m<\/b><\/p>\n

B\u1ea3ng\u00a0 5. \u1ea2nh h\u01b0\u1edfng c\u1ee7a c\u00e1c lo\u1ea1i thu\u1ed1c b\u1ea3o qu\u1ea3n \u0111\u1ebfn m\u00e0u s\u1eafc g\u1ed7 t\u1ea9m<\/b><\/p>\n\n\n\n\n\n
\n

\u0110\u1ed9 sai l\u1ec7ch m\u00e0u DE c\u1ee7a m\u1eabu g\u1ed7 t\u1ea9m c\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c th\u00ed nghi\u1ec7m<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

\u0110\u1ed1i ch\u1ee9ng<\/p>\n<\/td>\n

\n

D\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u<\/p>\n<\/td>\n

\n

D\u1ea7u Neem<\/p>\n<\/td>\n

\n

D\u1ea7u c\u00f3c h\u00e0nh<\/p>\n<\/td>\n

\n

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

\n

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

\n

4,46<\/p>\n<\/td>\n

\n

2,85<\/p>\n<\/td>\n

\n

2,80<\/p>\n<\/td>\n

\n

5,53<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u1eadn x\u00e9t<\/b>: C\u00f4ng th\u1ee9c thu\u1ed1c ch\u1ee9a d\u1ea7u Neem v\u00e0 d\u1ea7u C\u00f3c h\u00e0nh c\u00f3 t\u00e1c \u0111\u1ed9ng chuy\u1ec3n m\u00e0u g\u1ed7 nh\u1eb9 t\u1eeb m\u00e0u m\u00e0u tr\u1eafng s\u00e1ng sang m\u00e0u tr\u1eafng ng\u00e0. D\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u nguy\u00ean li\u1ec7u c\u00f3 m\u00e0u n\u00e2u x\u1eabm, do \u0111\u00f3 g\u1ed7 t\u1ea9m thu\u1ed1c t\u1eeb d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u chuy\u1ec3n m\u00e0u n\u00e2u nh\u1eb9. C\u00f4ng th\u1ee9c thu\u1ed1c ch\u1ee9a Tannin c\u00f3 t\u00e1c \u0111\u1ed9ng m\u1ea1nh nh\u1ea5t \u0111\u1ebfn m\u00e0u s\u1eafc g\u1ed7 v\u00e0 l\u00e0m g\u1ed7 t\u1ea9m chuy\u1ec3n sang m\u00e0u n\u00e2u s\u00e1ng.<\/p>\n


<\/b><\/p>\n

B\u1ea3ng 6. \u0110\u1ed9 \u0103n m\u00f2n kim lo\u1ea1i c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c t\u1ea1i nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng<\/b><\/p>\n\n\n\n\n\n\n\n
\n

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

\n

Th\u1eddi gian theo d\u00f5i (ng\u00e0y)<\/p>\n<\/td>\n

\n

\u0110\u1ed9 \u0103n m\u00f2n kim lo\u1ea1i c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c (%)<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

D\u1ea7u v\u1ecf<\/p>\n

h\u1ea1t \u0110i\u1ec1u<\/p>\n<\/td>\n

\n

D\u1ea7u<\/p>\n

\u00a0Neem<\/p>\n<\/td>\n

\n

D\u1ea7u<\/p>\n

C\u00f3c h\u00e0nh<\/p>\n<\/td>\n

\n

Tannin<\/p>\n

\n<\/td>\n

\n

N\u01b0\u1edbc m\u00e1y<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

0,178<\/p>\n<\/td>\n

\n

0,027<\/p>\n<\/td>\n

\n

0,07<\/p>\n<\/td>\n

\n

0,086<\/p>\n<\/td>\n

\n

0,012<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

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

\n

0,333<\/p>\n<\/td>\n

\n

0,074<\/p>\n<\/td>\n

\n

0,09<\/p>\n<\/td>\n

\n

0,094<\/p>\n<\/td>\n

\n

0,193<\/p>\n<\/td>\n<\/tr>\n

\n

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

\n

14<\/p>\n<\/td>\n

\n

0.545<\/p>\n<\/td>\n

\n

0,093<\/p>\n<\/td>\n

\n

0,13<\/p>\n<\/td>\n

\n

0,01<\/p>\n<\/td>\n

\n

0,278<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u1eadn x\u00e9t: <\/b>C\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c ch\u1ee9a d\u1ea7u Neem, d\u1ea7u C\u00f3c h\u00e0nh, Tannin \u0111\u1ec1u c\u00f3 \u0111\u1ed9 \u0103n m\u00f2n kim lo\u1ea1i th\u1ea5p, x\u1ea5p x\u1ec9 v\u1edbi n\u01b0\u1edbc m\u00e1y. Ri\u00eang c\u00f4ng th\u1ee9c thu\u1ed1c ch\u1ee9a d\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u cao h\u01a1n h\u1eb3n. Tuy nhi\u00ean, n\u1ebfu so s\u00e1nh \u0111\u1ed9 \u0103n m\u00f2n kim lo\u1ea1i c\u1ee7a c\u00f4ng th\u1ee9c thu\u1ed1c ch\u1ee9a d\u1ea7u v\u1ecf h\u1ea1t \u0111i\u1ec1u v\u1edbi c\u00e1c lo\u1ea1i thu\u1ed1c h\u00f3a h\u1ecdc c\u00f3 th\u00e0nh ph\u1ea7n sunphat \u0111\u1ed3ng v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a crom th\u00ec c\u00f2n th\u1ea5p h\u01a1n nhi\u1ec1u. Nh\u01b0 v\u1eady, c\u00e1c lo\u1ea1i thu\u1ed1c b\u1ea3o qu\u1ea3n ch\u1ee9a ho\u1ea1t ch\u1ea5t th\u1ef1c v\u1eadt tr\u00ean \u0111\u00e2y n\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u qu\u00e1 tr\u00ecnh \u0103n m\u00f2n c\u00e1c thi\u1ebft b\u1ecb ng\u00e2n t\u1ea9m c\u0169ng nh\u01b0 l\u00e0m t\u0103ng kh\u00f4ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 \u0103n m\u00f2n kim lo\u1ea1i c\u1ee7a g\u1ed7 t\u1ea9m.<\/p>\n

B\u1ea3ng 7. K\u1ebft qu\u1ea3 x\u00e1c \u0111\u1ecbnh c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng trang s\u1ee9c PU<\/b><\/p>\n

c\u1ee7a m\u1eabu g\u1ed7 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ea3o qu\u1ea3n<\/b><\/p>\n\n\n\n\n\n
\n

C\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng trang s\u1ee9c c\u1ee7a m\u1eabu g\u1ed7 t\u1ea9m c\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c<\/b><\/p>\n<\/td>\n<\/tr>\n

\n

D\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u<\/p>\n<\/td>\n

\n

D\u1ea7u Neem<\/p>\n<\/td>\n

\n

D\u1ea7u C\u00f3c h\u00e0nh<\/p>\n<\/td>\n

\n

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

\n

A2<\/b><\/p>\n<\/td>\n

\n

A1<\/b><\/p>\n<\/td>\n

\n

A1<\/b><\/p>\n<\/td>\n

\n

A1<\/b><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nh\u1eadn x\u00e9t<\/b>: C\u0103n c\u1ee9 theo ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 c\u1ee7a Ti\u00eau chu\u1ea9n CNS 673085, \u0111\u1ed9 b\u00e1m d\u00ednh m\u00e0ng trang s\u1ee9c \u0111\u1ea1t c\u1ea5p A1 v\u00e0 A2 \u0111\u1ea3m b\u1ea3o c\u1ea5p ti\u00eau chu\u1ea9n trang s\u1ee9c cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1ed3 m\u1ed9c. Nh\u01b0 v\u1eady c\u1ea3 03 c\u00f4ng th\u1ee9c ch\u1ebf ph\u1ea9m b\u1ea3o qu\u1ea3n \u0111\u1ec1u kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng trang s\u1ee9c c\u1ee7a g\u1ed7 t\u1ea9m.<\/p>\n

4. K\u1ebft lu\u1eadn<\/b><\/p>\n

D\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u, d\u1ea7u Neem, d\u1ea7u C\u00f3c h\u00e0nh v\u00e0 Tannin l\u00e0 c\u00e1c lo\u1ea1i nguy\u00ean li\u1ec7u t\u1eeb th\u1ef1c v\u1eadt s\u1eb5n c\u00f3 \u1edf n\u01b0\u1edbc ta \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1ea3o nghi\u1ec7m \u0111\u00e1nh gi\u00e1 c\u00f3 hi\u1ec7u l\u1ef1c nh\u1ea5t \u0111\u1ecbnh ph\u00f2ng ch\u1ed1ng sinh v\u1eadt g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n. 04 lo\u1ea1i nguy\u00ean li\u1ec7u th\u1ef1c n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng l\u00e0m ho\u1ea1t ch\u1ea5t t\u1ea1o c\u00e1c lo\u1ea1i thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n d\u1ea1ng dung d\u1ecbch c\u00f3 hi\u1ec7u l\u1ef1c t\u1ed1t v\u1edbi sinh v\u1eadt h\u1ea1i, kh\u00f4ng g\u00e2y h\u01b0\u1edfng h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a g\u1ed7 t\u1ea9m v\u00e0 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u an to\u00e0n \u0111\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng. C\u00e1c lo\u1ea1i thu\u1ed1c c\u00f3 ho\u1ea1t ch\u1ea5t t\u1eeb nguy\u00ean li\u1ec7u th\u1ef1c v\u1eadt tr\u00ean \u0111\u00e2y c\u1ea7n ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u theo d\u00f5i \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh hi\u1ec7u l\u1ef1c th\u1eddi gian \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf.<\/p>\n

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

1. B\u00f9i V\u0103n \u00c1i (2008), Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng d\u1ea7u v\u1ecf h\u1ea1t \u0110i\u1ec1u l\u00e0m thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n<\/i>, Lu\u1eadn \u00e1n ti\u1ebfn s\u1ef9 k\u1ef9 thu\u1eadt, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n

1, Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc (2009), Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u c\u00f3 ngu\u1ed3n g\u1ed1c th\u1ef1c v\u1eadt \u0111\u1ec3 t\u1ea1o thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n<\/i>, B\u00e1o c\u00e1o t\u1ed5ng k\u1ebft \u0111\u1ec1 t\u00e0i KHCN c\u1ea5p B\u1ed9, Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam.<\/p>\n

3. Pornpun Siramon, Yoshito Ohtani, Hideaki Ichiura (2009), \u201cBiological performance of Eucalyptus camaldulensis<\/i> leaf oils from ThaiLand againts the subteranean termite Coptotermes Formosanus<\/i> Shiraki\u201d, Journal of Wood Science<\/i>, 55, PP: 41-46.<\/p>\n

4. R.Hashim, J.G.Boon, O.Sulaiman, F.Kawamura and C.Y.Lee (2009), \u201cEvaluation of the decay resistance properties of Cerbera odollam<\/i> extracts and their influence on properties of particleboard\u201d, International Biodeterioration & Biodegradation<\/a><\/i>.<\/p>\n

5. Narumol Matan, Weerapong Woraprayote, Warasri Saengkrajang, Niphaphorn Sirisombat and Nirundorn Matan (2009), \u201cDurability of rubberwood (Hevea brasiliensis<\/i>) treated with peppermint oil, eucalyptus oil, and their main components\u201d, International Biodeterioration & Biodegradation<\/i>, 63:5, pp: 621-625.<\/p>\n

6. \u00a0Haruhiko Yamaguchi, Kyoko Yoshino, Akiko Kido (2002), \u201cTermite resistance and wood penetrability of chemical modified tannin and tannin coper complex as wood preservtives\u201d, Journal of Wood Science<\/i>, 48:4, pp:331-337<\/p>\n

8. Somdej Kanokmedhakul, Kwanjai Kanokmedhakul, Thirada Prajuabsuk, Sanha Panichajakul, Piyanan Palyamee, Samran Prabpai, and Palangpon Kongsaeree (2005), \u201cAzidirachtin derivatives from seed kernels of Azadirachta excelsa\u201d, Journal of Natural products<\/i>, 68, pp: 1047-1050.<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

PGS.TS. Nguy\u1ec5n Th\u1ecb B\u00edch Ng\u1ecdc 1. \u0110\u1eb6T V\u1ea4N \u0110\u1ec0\u00a0\u00a0\u00a0\u00a0\u00a0 B\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n (g\u1ed7, tre n\u1ee9a, song m\u00e2y) ph\u00f2ng ch\u1ed1ng sinh v\u1eadt ph\u00e1 ho\u1ea1i \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ng\u00e0nh khoa h\u1ecdc t\u1eeb \u0111\u1ea7u th\u1ebf k\u1ef7 XX. Thu\u1ed1c b\u1ea3o qu\u1ea3n l\u00e2m s\u1ea3n \u0111\u01b0\u1ee3c d\u00f9ng \u1edf Vi\u1ec7t Nam v\u00e0 tr\u00ean th\u1ebf gi\u1edbi h\u1ea7u h\u1ebft l\u00e0 h\u1ed7n h\u1ee3p […]<\/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\/14385"}],"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=14385"}],"version-history":[{"count":2,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14385\/revisions"}],"predecessor-version":[{"id":14387,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/14385\/revisions\/14387"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=14385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=14385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=14385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}