Tr\u1ea7n Tu\u1ea5n Ngh\u0129a, B\u00f9i Ch\u00ed Ki\u00ean<\/i><\/p>\n
Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/i><\/p>\n
Hi\u1ec7n nay, c\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn g\u1ed7 r\u1eebng tr\u1ed3ng mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u1ea5t l\u00e0 s\u1ea3n xu\u1ea5t v\u00e1n nh\u00e2n t\u1ea1o, ch\u1ee7 y\u1ebfu l\u00e0 v\u00e1n MDF (Medium Density Fiber board) v\u00e0 v\u00e1n d\u0103m. Th\u1ecb tr\u01b0\u1eddng v\u00e1n d\u0103m v\u00e0 v\u00e1n MDF \u0111ang ph\u00e1t tri\u1ec3n v\u1edbi quy m\u00f4 l\u1edbn trong kho\u1ea3ng 20 n\u0103m g\u1ea7n \u0111\u00e2y, do t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a v\u00e1n MDF h\u01a1n h\u1eb3n c\u00e1c lo\u1ea1i v\u00e1n nh\u00e2n t\u1ea1o kh\u00e1c v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng m\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ee7ng lo\u1ea1i, k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean li\u1ec7u l\u1ea1i th\u1ea5p h\u01a1n. Nh\u01b0ng v\u1ed1n \u0111\u1ea7u t\u01b0 cho m\u1ed9t d\u00e2y chuy\u1ec1n thi\u1ebft b\u1ecb v\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ea3i nh\u1eadp t\u1eeb n\u01b0\u1edbc ngo\u00e0i v\u00e0o l\u1ea1i r\u1ea5t l\u1edbn( h\u00e0ng ch\u1ee5c tri\u1ec7u USD ).<\/p>\n
N\u01b0\u1edbc ta hi\u1ec7n nay ch\u01b0a c\u00f3 \u0111\u01b0\u1ee3c nhi\u1ec1u v\u00f9ng r\u1eebng tr\u1ed3ng t\u1eadp trung cung c\u1ea5p \u0111\u1ee7 nguy\u00ean li\u1ec7u cho c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t v\u00e1n nh\u00e2n t\u1ea1o quy m\u00f4 l\u1edbn. Trong giai \u0111o\u1ea1n tr\u01b0\u1edbc m\u1eaft, ch\u00fang ta m\u1edbi ch\u1ec9 c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c m\u1ed9t v\u00e0i \u0111\u1ecba \u0111i\u1ec3m tr\u00ean \u0111\u1ecba b\u00e0n c\u1ea3 n\u01b0\u1edbc, \u0111\u1ea7u t\u01b0 \u0111\u01b0\u1ee3c m\u1ed9t v\u00e0i d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t v\u00e1n MDF v\u1edbi quy m\u00f4 kho\u1ea3ng 50.000 m3<\/sup> s\u1ea3n ph\u1ea9m \/ n\u0103m. V\u00ec v\u1eady, c\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn g\u1ed7 r\u1eebng tr\u1ed3ng h\u1ee3p l\u00fd v\u00e0 mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf hi\u1ec7n nay ch\u1ee7 y\u1ebfu l\u00e0 b\u0103m d\u0103m l\u00e0m nguy\u00ean li\u1ec7u cho c\u00e1c nh\u00e0 m\u00e1y gi\u1ea5y v\u00e0 x\u00e2y d\u1ef1ng d\u00e2y chuy\u1ec1n s\u1ea3n su\u1ea5t v\u00e1n d\u0103m quy m\u00f4 nh\u1ecf. Th\u1ef1c t\u1ebf g\u1ed7 r\u1eebng tr\u1ed3ng c\u0169ng c\u00f3 nh\u1eefng c\u00e2y t\u0103ng tr\u01b0\u1edfng r\u1ea5t nhanh. Theo s\u1ed1 li\u1ec7u v\u00e0 k\u1ebft qu\u1ea3 thu \u0111\u01b0\u1ee3c khi ti\u1ebfn h\u00e0nh \u0111o \u0111\u1ebfm v\u00e0 t\u00ednh to\u00e1n t\u1ea1i X\u01b0\u1edfng b\u0103m d\u0103m huy\u1ec7n Ph\u00f9 Ninh – t\u1ec9nh Ph\u00fa Th\u1ecd th\u00ec g\u1ed7 r\u1eebng tr\u1ed3ng m\u1ecdc nhanh n\u00e0y chi\u1ebfm t\u1ef7 l\u1ec7 kho\u1ea3ng 36,66 % . V\u00e0 \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb c\u00e1c huy\u1ec7n trong t\u1ec9nh Ph\u00fa Th\u1ecd, t\u1ec9nh Tuy\u00ean Quang, tu\u1ed5i t\u1eeb 8 \u0111\u1ebfn 12 n\u0103m cho n\u00ean khi b\u0103m d\u0103m ph\u1ea3i m\u1ea5t th\u00eam c\u00f4ng \u0111o\u1ea1n x\u1ebb nh\u1ecf nh\u1eefng c\u00e2y g\u1ed7 l\u1edbn ( do m\u00e1y b\u0103m d\u0103m ch\u1ec9 b\u0103m \u0111\u01b0\u1ee3c nh\u1eefng c\u00e2y g\u1ed7 c\u00f3 F\u00a315 cm). Trong khi \u0111\u00f3, nhu c\u1ea7u v\u1ec1 g\u1ed7 x\u1ebb v\u1eabn kh\u00f4ng gi\u1ea3m m\u00e0 g\u1ed7 l\u1edbn th\u00ec ng\u00e0y c\u00e0ng khan hi\u1ebfm .<\/p>\n Xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf \u0111\u00f3 ch\u00fang t\u00f4i \u0111\u00e3 \u0111\u01b0a ra c\u00f4ng ngh\u1ec7 x\u1ebb k\u1ebft h\u1ee3p v\u1edbi b\u0103m d\u0103m g\u1ed7 r\u1eebng tr\u1ed3ng v\u00e0 \u0111\u00e3 ti\u1ebfn h\u00e0nh l\u00e0m th\u1ef1c nghi\u1ec7m t\u1ea1i x\u01b0\u1edfng b\u0103m d\u0103m huy\u1ec7n Ph\u00f9 Ninh – t\u1ec9nh Ph\u00fa Th\u1ecd, X\u00ed nghi\u1ec7p Cung \u1ee9ng nguy\u00ean li\u1ec7u, C\u00f4ng ty gi\u1ea5y B\u00e3i B\u1eb1ng. Ch\u00fang t\u00f4i \u0111\u00e3 tuy\u1ec3n ch\u1ecdn trong 300 m3<\/sup> g\u1ed7 nguy\u00ean li\u1ec7u g\u1ed3m c\u00f3 g\u1ed7 B\u1ea1ch \u0110\u00e0n , g\u1ed7 Keo L\u00e1 Tr\u00e0m . . . . . \u0111\u01b0\u1ee3c 75,5 m3<\/sup> g\u1ed7 l\u1edbn ( \u0111\u01b0\u1eddng k\u00ednh trung b\u00ecnh t\u1eeb 15 – 25 cm ) \u0111\u1ec3 ti\u1ebfn h\u00e0nh th\u1ef1c nghi\u1ec7m theo c\u00f4ng ngh\u1ec7 x\u1ebb – b\u0103m d\u0103m. Nh\u1eb1m x\u00e1c \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a ph\u01b0\u01a1ng \u00e1n x\u1ebb – b\u0103m d\u0103m, \u0111\u00e3 ti\u1ebfn h\u00e0nh t\u00ednh to\u00e1n hi\u1ec7u qu\u1ea3 kinh t\u1ebf khi ch\u1ebf bi\u1ebfn 300 m3<\/sup> g\u1ed7 r\u1eebng tr\u1ed3ng theo ph\u01b0\u01a1ng \u00e1n s\u1ea3n xu\u1ea5t \u0111ang th\u1ef1c hi\u1ec7n t\u1ea1i x\u01b0\u1edfng b\u0103m d\u0103m theo s\u01a1 \u0111\u1ed3 sau :<\/p>\n Nguy\u00ean li\u1ec7u<\/b> B\u0103m<\/i> d\u0103m<\/i> D\u0103m<\/b> B\u00e1n <\/i>Ti\u1ec1n<\/b> L\u1ee3i nhu\u1eadn<\/i><\/b> =”\u00e5Thu<\/i>– \u00e5Chi<\/i><\/p>\n (G\u1ed7 r\u1eebng tr\u1ed3ng) <\/i><\/b>(VND)<\/i><\/p>\n D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ch\u1ec9 ti\u00eau Kinh t\u1ebf – K\u1ef9 thu\u1eadt thu th\u1eadp t\u1ea1i x\u01b0\u1edfng b\u0103m d\u0103m :<\/p>\n – Mua nguy\u00ean li\u1ec7u :<\/p>\n G\u1ed7 lo\u1ea1i A : 297.000 \u0111\/ 1 t\u1ea5n g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u00e3 b\u00f3c v\u1ecf<\/p>\n 247.000 \u0111\/ 1 t\u1ea5n g\u1ed7 r\u1eebng tr\u1ed3ng ch\u01b0a b\u00f3c v\u1ecf<\/p>\n G\u1ed7 lo\u1ea1i B : 270.000 \u0111\/ 1 t\u1ea5n g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u00e3 b\u00f3c v\u1ecf<\/p>\n 220.000 \u0111\/ 1 t\u1ea5n g\u1ed7 r\u1eebng tr\u1ed3ng ch\u01b0a b\u00f3c v\u1ecf<\/p>\n – B\u00e1n d\u0103m g\u1ed7 : 850.000 \u0111\/ 1 t\u1ea5n d\u0103m kh\u00f4<\/p>\n – T\u1ef7 l\u1ec7 b\u0103m d\u0103m : 55 %<\/p>\n – X\u1ebb g\u1ed7 \u0111\u1ec3 b\u0103m d\u0103m: 20.000 \u0111\/ 1 m3<\/sup> g\u1ed7<\/p>\n – B\u0103m d\u0103m g\u1ed7 : 40.000 \u0111\/ 1 t\u1ea5n d\u0103m<\/p>\n – B\u1ed1c d\u0103m + C\u01b0\u1edbc v\u1eadn chuy\u1ec3n d\u0103m \u0111i b\u00e1n : 80 000 \u0111\/ 1 t\u1ea5n d\u0103m . .<\/p>\n D\u1ef1a v\u00e0o c\u00e1c s\u1ed1 li\u1ec7u tr\u00ean v\u00e0 c\u0103n c\u1ee9 v\u00e0o th\u1ef1c t\u1ebf t\u1ea1i x\u01b0\u1edfng b\u0103m d\u0103m huy\u1ec7n Ph\u00f9 Ninh – t\u1ec9nh Ph\u00fa Th\u1ecd, sau khi t\u00ednh to\u00e1n thu \u0111\u01b0\u1ee3c : 21.186 000 \u0111 ti\u1ec1n l\u00e3i. T\u1ee9c l\u00e0 thu \u0111\u01b0\u1ee3c : 21.186.000\u0111 \/300 m3<\/sup> = 70.620 \u0111 ti\u1ec1n l\u00e3i \/ 1 m3<\/sup> g\u1ed7 nguy\u00ean li\u1ec7u.<\/p>\n Hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u01b0\u01a1ng \u00e1n x\u1ebb – b\u0103m d\u0103m \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng th\u1ef1c nghi\u1ec7m theo s\u01a1 \u0111\u1ed3 sau :<\/p>\n B\u00e1n<\/p>\n G\u1ed7 h\u1ed9p Ti\u1ec1n<\/p>\n Nguy\u00ean li\u1ec7u x\u1ebb<\/i><\/p>\n L\u1ee3i nhu\u1eadn<\/i>=””>\u00e5Thu<\/i>-\u00e5Chi <\/i><\/p>\n (G\u1ed7 r\u1eebng tr\u1ed3ng) g\u1ed7<\/i><\/p>\n B\u0103m B\u00e1n<\/p>\n B\u00eca b\u1eafp D\u0103m Ti\u1ec1n<\/p>\n d\u0103m<\/p>\n Vi\u1ec7c x\u1ebb g\u1ed7 h\u1ed9p \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo s\u01a1 \u0111\u1ed3 c\u1eaft kh\u00fac v\u00e0 x\u1ebb t\u1ed1i \u01b0u (\u00e1p d\u1ee5ng k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a \u0110\u1ec1 t\u00e0i 04 thu\u1ed9c Ch\u01b0\u01a1ng tr\u00ecnh nghi\u00ean c\u1ee9u KN03). D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c ch\u1ec9 ti\u00eau kinh t\u1ebf – k\u1ef9 thu\u1eadt \u0111\u00e3 x\u00e1c \u0111\u1ecbnh t\u1ea1i c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t :<\/p>\n – \u0110\u1ed9 tu\u1ed5i g\u1ed7 : T\u1eeb 8 \u0111\u1ebfn 12 n\u0103m tu\u1ed5i<\/p>\n – \u0110\u01b0\u1eddng k\u00ednh g\u1ed7 \u0111\u01b0a v\u00e0o x\u1ebb : Fmin \u00b313 cm<\/p>\n – \u0110\u1ed9 cong ( % ) : 0.4 \u00a3 f \u00a3 1.5<\/p>\n – \u0110\u1ed9 th\u00f3t ng\u1ecdn ( \u0111\u1ed9 thon ) : ( 1 – 2 ) cm\/ m<\/p>\n – Chi\u1ec1u d\u00e0i g\u1ed7 \u0111\u01b0a v\u00e0o x\u1ebb ( \u00e1p d\u1ee5ng k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u c\u1ee7a \u0110\u1ec1 m\u1ee5c 03 thu\u1ed9c ch\u01b0\u01a1ng tr\u00ecnh nghi\u00ean c\u1ee9u KN 04 ) : Lmin = 2.1 m.<\/p>\n – T\u1ef7 l\u1ec7 g\u1ed7 \u0111\u1ea1t k\u00edch th\u01b0\u1edbc \u0111\u01b0a v\u00e0o x\u1ebb :<\/p>\n 75.5 m3<\/sup>\/300 m3<\/sup> = 25.16(%)<\/p>\n – T\u1ef7 l\u1ec7 th\u00e0nh kh\u00ed : 60.7 ( % )<\/p>\n – Mua nguy\u00ean li\u1ec7u :<\/p>\n G\u1ed7 lo\u1ea1i A : 297.000 \u0111\/ 1 t\u1ea5n g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u00e3 b\u00f3c v\u1ecf<\/p>\n 247.000 \u0111\/ 1 t\u1ea5n g\u1ed7 r\u1eebng tr\u1ed3ng ch\u01b0a b\u00f3c v\u1ecf<\/p>\n G\u1ed7 lo\u1ea1i B : 270.000 \u0111\/ 1 t\u1ea5n g\u1ed7 r\u1eebng tr\u1ed3ng \u0111\u00e3 b\u00f3c v\u1ecf<\/p>\n 220.000 \u0111\/ 1 t\u1ea5n g\u1ed7 r\u1eebng tr\u1ed3ng ch\u01b0a b\u00f3c v\u1ecf<\/p>\n – B\u00e1n g\u1ed7 h\u1ed9p : 1.100.000 \u0111\/ 1 m3<\/sup> g\u1ed7 h\u1ed9p<\/p>\n – Ch\u1ecdn g\u1ed7 + C\u01b0a c\u1eaft kh\u00fac : 50.000 \u0111\/ 1 m3<\/sup> g\u1ed7 tr\u00f2n<\/p>\n – X\u1ebb g\u1ed7 tr\u00f2n ( B\u1ed5 h\u1ed9p ) : 60.000 \u0111\/ 1 m3<\/sup> g\u1ed7 tr\u00f2n<\/p>\n – B\u0103m d\u0103m : 40.000 \u0111\/ 1 t\u1ea5n d\u0103m<\/p>\n – B\u1ed1c d\u0103m + V\u1eadn chuy\u1ec3n b\u00e1n d\u0103m : 80 000 \u0111\/ 1 t\u1ea5n d\u0103m<\/p>\n – B\u1ed1c g\u1ed7 + V\u1eadn chuy\u1ec3n b\u00e1n g\u1ed7 h\u1ed9p: 150 000 \u0111\/ 1 m3<\/sup> g\u1ed7 h\u1ed9p. . .<\/p>\n Sau khi ti\u1ebfn h\u00e0nh l\u00e0m th\u1ef1c nghi\u1ec7m v\u1edbi 75,5 m3<\/sup> g\u1ed7 l\u1edbn(ch\u1ecdn t\u1eeb 300 m3<\/sup> g\u1ed7 nguy\u00ean li\u1ec7u)theo s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 X\u1ebb-B\u0103m d\u0103m thu \u0111\u01b0\u1ee3c: 14.404.850 \u0111 ti\u1ec1n l\u00e3i. L\u1ee3i nhu\u1eadn thu \u0111\u01b0\u1ee3c khi ch\u1ebf bi\u1ebfn 300 m3<\/sup> g\u1ed7 nguy\u00ean li\u1ec7u theo ph\u01b0\u01a1ng \u00e1n n\u00e0y l\u00e0 : L = T1<\/sub> + T2<\/sub><\/p>\n Trong \u0111\u00f3 : L : L\u1ee3i nhu\u1eadn<\/p>\n T1<\/sub>: Ti\u1ec1n l\u00e3i thu \u0111\u01b0\u1ee3c khi ch\u1ebf bi\u1ebfn g\u1ed7 l\u1edbn theo ph\u01b0\u01a1ng \u00e1n x\u1ebb – b\u0103m d\u0103m ( 75,5 m3<\/sup> );<\/p>\n T1<\/sub> = 14.404.850\u0111<\/p>\n T2<\/sub>: Ti\u1ec1n l\u00e3i thu \u0111\u01b0\u1ee3c khi ch\u1ebf bi\u1ebfn g\u1ed7 nh\u1ecf theo ph\u01b0\u01a1ng \u00e1n b\u0103m d\u0103m c\u1ee7a x\u01b0\u1edfng ( 300 m3<\/sup> – 75,5 m3<\/sup> = 224,5 m3<\/sup> ).<\/p>\n T2<\/sub> = 224,5 x 70.620 \u0111 = 15.854.190 \u0111<\/p>\n \u00deL = 14 404 850 + 15.854.190 = 30.259.040 \u0111<\/p>\n T\u1ee9c l\u00e0 thu \u0111\u01b0\u1ee3c: 30.259.040\u0111<\/sup>\/300 m3<\/sup> = 100.863\u0111 <\/sup>ti\u1ec1n l\u00e3i\/ 1 m3<\/sup> nguy\u00ean li\u1ec7u.<\/p>\n Nh\u01b0 v\u1eady , l\u1ee3i nhu\u1eadn thu \u0111\u01b0\u1ee3c th\u00f4ng qua ph\u01b0\u01a1ng \u00e1n x\u1ebb – b\u0103m d\u0103m l\u1edbn h\u01a1n ph\u01b0\u01a1ng \u00e1n b\u0103m d\u0103m \u0111\u01a1n thu\u1ea7n l\u00e0 : 100.863 \u0111 – 70.620 \u0111 = 30.243 \u0111 ti\u1ec1n l\u00e3i \/ 1 m3<\/sup> g\u1ed7 nguy\u00ean li\u1ec7u.<\/p>\n Sau m\u1ed9t th\u1eddi gian nghi\u00ean c\u1ee9u v\u00e0 l\u00e0m th\u1ef1c nghi\u1ec7m t\u1ea1i X\u01b0\u1edfng b\u0103m d\u0103m huy\u1ec7n Ph\u00f9 Ninh – t\u1ec9nh Ph\u00fa Th\u1ecd v\u00e0 k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n, ph\u00e2n t\u00edch cho th\u1ea5y: C\u00f4ng vi\u1ec7c \u0111\u1eb7t ra v\u00e0 \u00e1p d\u1ee5ng \u1edf \u0111\u00e2y l\u00e0 kh\u00e1 \u0111\u01a1n gi\u1ea3n, kh\u00f4ng \u0111\u00f2i h\u1ecfi ph\u1ea3i \u0111\u1ea7u t\u01b0 l\u1edbn, kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec1u vi\u1ec7c t\u1ed5 ch\u1ee9c s\u1ea3n xu\u1ea5t t\u1ea1i c\u01a1 s\u1edf song mang l\u1ea1i hi\u1ec7u qu\u1ea3 kh\u00e1 cao (\u00bb47%). N\u1ebfu ch\u00fang ta m\u1edf r\u1ed9ng cho nhi\u1ec1u c\u01a1 s\u1edf b\u0103m d\u0103m hi\u1ec7n nay, hi\u1ec7u qu\u1ea3 kinh t\u1ebf ch\u1eafc ch\u1eafn s\u1ebd cao h\u01a1n nhi\u1ec1u. Ngo\u00e0i \u00fd ngh\u0129a v\u1ec1 hi\u1ec7u qu\u1ea3 kinh t\u1ebf ra, ph\u01b0\u01a1ng \u00e1n n\u00e0y c\u00f2n g\u00f3p ph\u1ea7n t\u1ea1o th\u00eam c\u00f4ng \u0103n vi\u1ec7c l\u00e0m cho ng\u01b0\u1eddi lao \u0111\u1ed9ng ( c\u1ee5 th\u1ec3 v\u1edbi 75,5 m3<\/sup> g\u1ed7 l\u1edbn l\u00e0m th\u1ef1c nghi\u1ec7m theo ph\u01b0\u01a1ng \u00e1n x\u1ebb – b\u0103m d\u0103m t\u1ea1i x\u01b0\u1edfng b\u0103m d\u0103m huy\u1ec7n Ph\u00f9 Ninh – t\u1ec9nh Ph\u00fa Th\u1ecd \u0111\u00e3 t\u1ea1o th\u00eam cho ng\u01b0\u1eddi lao \u0111\u1ed9ng 297 c\u00f4ng lao \u0111\u1ed9ng v\u1edbi m\u1ee9c thu nh\u1eadp 15.000 \u0111\/ 1 c\u00f4ng lao \u0111\u1ed9ng) v\u00e0 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 h\u01a1n ngu\u1ed3n nguy\u00ean li\u1ec7u g\u1ed7 r\u1eebng tr\u1ed3ng, g\u00f3p ph\u1ea7n l\u00e0m gi\u1ea3m n\u1ea1n ch\u1eb7t ph\u00e1 r\u1eebng, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i .<\/p>\n T\u00e0i li\u1ec7u tham kh\u1ea3o<\/p>\n 1. TS. Tr\u1ea7n Tu\u1ea5n Ngh\u0129a Matxcowva -C\u1eaft kh\u00fac v\u00e0 x\u1ebb t\u1ed1i \u01b0u g\u1ed7 b\u1ea1ch \u0111\u00e0n (lu\u1eadn v\u0103n ti\u1ebfn s\u0129) 1989.<\/p>\n 2. TS. Tr\u1ea7n Tu\u1ea5n Ngh\u0129a -X\u00e2y d\u1ef1ng s\u01a1 \u0111\u1ed3 x\u1ebb v\u00e0 v\u00e0 ch\u1ebf \u0111\u1ed9 s\u1ea5y h\u1ee3p l\u00fd g\u1ed7 B\u1ea1ch \u0111\u00e0n v\u00e0 Keo l\u00e1 Tr\u00e0m l\u00e0m nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t v\u00e1n gh\u00e9p thanh ( \u0110\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u thu\u1ed9c ch\u01b0\u01a1ng tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ea5p nh\u00e0 n\u01b0\u1edbc KN0304), H\u00e0 N\u1ed9i 1996.<\/p>\n 3. KS. Nguy\u1ec5n M\u1ea1nh Ho\u1ea1t – Nghi\u00ean c\u1ee9u thi\u1ebft k\u1ebf ch\u1ebf t\u1ea1o m\u00e1y b\u0103m d\u0103m l\u01b0u \u0111\u1ed9ng MB 900 ( \u0111\u1ec1 t\u00e0i nghi\u00ean c\u1ee9u thu\u1ed9c ch\u01b0\u01a1ng tr\u00ecnh nghi\u00ean c\u1ee9u c\u1ea5p nh\u00e0 n\u01b0\u1edbc KN0304), H\u00e0 N\u1ed9i 1996.<\/p>\n Socio-economic effectiveness of integrated processing of some types of forest – plantation wood<\/p>\n The research subject deals with the socio-economic effects of an integrated wood processing technology sawing and chipping of some types of forest plantation wood. The problems are as follows:<\/p>\n – To define the ratio of wood of suitable dimension for sawing, the appropriate processing technology. the best sawing method to obtain highest ratio of sawn wood.<\/p>\n – To identify the economic effectiveness the processing technology applied for forest platation wood.*************************************<\/p>\n","protected":false},"excerpt":{"rendered":" Hi\u1ec7n nay, c\u00f4ng ngh\u1ec7 ch\u1ebf bi\u1ebfn g\u1ed7 r\u1eebng tr\u1ed3ng mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao nh\u1ea5t l\u00e0 s\u1ea3n xu\u1ea5t v\u00e1n nh\u00e2n t\u1ea1o, ch\u1ee7 y\u1ebfu l\u00e0 v\u00e1n MDF (Medium Density Fiber board) v\u00e0 v\u00e1n d\u0103m. Th\u1ecb tr\u01b0\u1eddng v\u00e1n d\u0103m v\u00e0 v\u00e1n MDF \u0111ang ph\u00e1t tri\u1ec3n v\u1edbi quy m\u00f4 l\u1edbn trong kho\u1ea3ng 20 n\u0103m g\u1ea7n \u0111\u00e2y, do t\u00ednh \u01b0u vi\u1ec7t c\u1ee7a v\u00e1n MDF h\u01a1n h\u1eb3n c\u00e1c lo\u1ea1i v\u00e1n nh\u00e2n t\u1ea1o kh\u00e1c v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng m\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ee7ng lo\u1ea1i, k\u00edch th\u01b0\u1edbc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a nguy\u00ean li\u1ec7u l\u1ea1i th\u1ea5p h\u01a1n. Nh\u01b0ng v\u1ed1n \u0111\u1ea7u t\u01b0 cho m\u1ed9t d\u00e2y chuy\u1ec1n thi\u1ebft b\u1ecb v\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ea3i nh\u1eadp t\u1eeb n\u01b0\u1edbc ngo\u00e0i v\u00e0o l\u1ea1i r\u1ea5t l\u1edbn( h\u00e0ng ch\u1ee5c tri\u1ec7u USD ).<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/303"}],"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=303"}],"version-history":[{"count":3,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/303\/revisions"}],"predecessor-version":[{"id":19362,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/303\/revisions\/19362"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}