{"id":9472,"date":"2010-12-06T04:15:48","date_gmt":"2010-12-05T21:15:48","guid":{"rendered":"http:\/\/vafs.gov.vn\/vn\/2010\/12\/ky-thuat-bao-quan-mot-so-loai-keo-go-keo-bach-dan-dung-trong-xay-dung-co-ban-va-cot-coc-ngoai-troi\/"},"modified":"2013-10-06T09:02:06","modified_gmt":"2013-10-06T02:02:06","slug":"ky-thuat-bao-quan-mot-so-loai-keo-go-keo-bach-dan-dung-trong-xay-dung-co-ban-va-cot-coc-ngoai-troi","status":"publish","type":"post","link":"https:\/\/vafs.gov.vn\/vn\/ky-thuat-bao-quan-mot-so-loai-keo-go-keo-bach-dan-dung-trong-xay-dung-co-ban-va-cot-coc-ngoai-troi\/","title":{"rendered":"K\u1ef9 thu\u1eadt b\u1ea3o qu\u1ea3n m\u1ed9t s\u1ed1 lo\u1ea1i keo g\u1ed7 keo, b\u1ea1ch \u0111\u00e0n d\u00f9ng trong x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n v\u00e0 c\u1ed9t c\u1ecdc ngo\u00e0i tr\u1eddi"},"content":{"rendered":"

B\u00f9i V\u0103n \u00c1i, Tr\u01b0\u01a1ng Quang Chinh<\/strong> <\/p>\n

\u0110inh V\u0103n Ti\u1ebfn<\/strong> <\/p>\n

Vi\u1ec7n Khoa h\u1ecdc L\u00e2m nghi\u1ec7p Vi\u1ec7t Nam<\/em> <\/p>\n

I. M\u1ede \u0110\u1ea6U<\/strong> <\/p>\n

T\u1ea1i c\u00e1c v\u00f9ng n\u00f4ng th\u00f4n mi\u1ec1n n\u00fai n\u01b0\u1edbc ta, nhu c\u1ea7u s\u1eed d\u1ee5ng g\u1ed7 l\u00e0m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng nh\u00e0 c\u1eeda v\u00e0 c\u1ed9t c\u1ecdc \u0111\u1ec3 tr\u1ed3ng tr\u1ecdt, l\u00e0m c\u1ed9t \u0111i\u1ec7n, \u0111i\u1ec7n tho\u1ea1i… ng\u00e0y c\u00e0ng gia t\u0103ng. G\u1ed7 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi, ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ea5t ph\u1ea3i ch\u1ecbu t\u00e1c \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u1ee7a sinh v\u1eadt g\u00e2y h\u1ea1i l\u00e2m s\u1ea3n v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 th\u1eddi ti\u1ebft g\u00e2y h\u1ee7y ho\u1ea1i g\u1ed7. Ch\u00ednh v\u00ec v\u1eady, \u0111\u1ec3 s\u1eed d\u1ee5ng g\u1ed7 \u0111\u01b0\u1ee3c l\u00e2u d\u00e0i, theo kinh nghi\u1ec7m truy\u1ec1n th\u1ed1ng, ng\u01b0\u1eddi d\u00e2n th\u01b0\u1eddng ch\u1ecdn c\u00e1c lo\u1ea1i g\u1ed7 thu\u1ed9c nh\u00f3m “t\u1ee9 thi\u1ebft” c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 l\u00fd cao v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ef1 nhi\u00ean t\u1ed1t. Hi\u1ec7n nay, tr\u01b0\u1edbc nhu c\u1ea7u s\u1eed d\u1ee5ng g\u1ed7 ng\u00e0y c\u00e0ng t\u0103ng, l\u01b0\u1ee3ng g\u1ed7 qu\u00fd r\u1eebng t\u1ef1 nhi\u00ean \u0111\u00e3 c\u1ea1n ki\u1ec7t, \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 s\u1ef1 thay \u0111\u1ed5i trong c\u00e1ch th\u1ee9c s\u1eed d\u1ee5ng g\u1ed7. <\/p>\n

R\u1eebng tr\u1ed3ng c\u1ee7a n\u01b0\u1edbc ta \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n m\u1ea1nh trong nh\u1eefng th\u1eadp k\u1ef7 g\u1ea7n \u0111\u00e2y \u0111\u00e3 d\u1ea7n t\u1eebng b\u01b0\u1edbc g\u00f3p ph\u1ea7n n\u00e2ng t\u1ef7 l\u1ec7 che ph\u1ee7 r\u1eebng, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i v\u00e0 cung c\u1ea5p g\u1ed7 nguy\u00ean li\u1ec7u cho c\u00e1c nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a x\u00e3 h\u1ed9i. M\u1ed9t s\u1ed1 lo\u1ea1i g\u1ed7 b\u1ea1ch \u0111\u00e0n, keo c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u00e1p \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u d\u00f9ng trong x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n. Song nh\u01b0\u1ee3c \u0111i\u1ec3m chung c\u1ee7a g\u1ed7 c\u00e2y m\u1ecdc nhanh th\u01b0\u1eddng ch\u1ee9a l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1eddng v\u00e0 tinh b\u1ed9t, do \u0111\u00f3 g\u1ed7 sau ch\u1eb7t h\u1ea1 r\u1ea5t d\u1ec5 b\u1ecb s\u00e2u n\u1ea5m ph\u00e1 h\u1ea1i. \u0110\u1ec3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng g\u1ed7 r\u1eebng tr\u1ed3ng l\u00e2u d\u00e0i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, c\u1ea7n thi\u1ebft ph\u1ea3i nghi\u00ean c\u1ee9u x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00e1p x\u1eed l\u00fd b\u1ea3o qu\u1ea3n g\u1ed7 th\u00edch h\u1ee3p, \u0111\u1ea3m b\u1ea3o n\u00e2ng cao \u0111\u01b0\u1ee3c tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng g\u1ed7 \u0111\u1ed3ng th\u1eddi ph\u1ea3i c\u00f3 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u01a1n gi\u1ea3n d\u1ec5 \u00e1p d\u1ee5ng t\u1ea1i c\u00e1c v\u00f9ng n\u00f4ng th\u00f4n mi\u1ec1n n\u00fai. <\/p>\n

(K\u1ef7 y\u1ebfu H\u1ed9i ngh\u1ecb Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 L\u00e2m nghi\u1ec7p ph\u00eda B\u1eafc, trang 548-558)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

\nT\u1ea1i các vùng nông thôn mi\u1ec1n núi n\u01b0\u1edbc ta, nhu c\u1ea7u s\u1eed d\u1ee5ng g\u1ed7 làm v\u1eadt li\u1ec7u xây d\u1ef1ng nhà c\u1eeda và c\u1ed9t c\u1ecdc \u0111\u1ec3 tr\u1ed3ng tr\u1ecdt, làm c\u1ed9t \u0111i\u1ec7n, \u0111i\u1ec7n tho\u1ea1i… ngày càng gia t\u0103ng. G\u1ed7 s\u1eed d\u1ee5ng ngoài tr\u1eddi, ti\u1ebfp xúc tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ea5t ph\u1ea3i ch\u1ecbu tác \u0111\u1ed9ng t\u1ed5ng h\u1ee3p c\u1ee7a sinh v\u1eadt gây h\u1ea1i lâm s\u1ea3n và các y\u1ebfu t\u1ed1 th\u1eddi ti\u1ebft gây h\u1ee7y ho\u1ea1i g\u1ed7. Chính vì v\u1eady, \u0111\u1ec3 s\u1eed d\u1ee5ng g\u1ed7 \u0111\u01b0\u1ee3c lâu dài, theo kinh nghi\u1ec7m truy\u1ec1n th\u1ed1ng, ng\u01b0\u1eddi dân th\u01b0\u1eddng ch\u1ecdn các lo\u1ea1i g\u1ed7 thu\u1ed9c nhóm “t\u1ee9 thi\u1ebft” có tính ch\u1ea5t c\u01a1 lý cao và \u0111\u1ed9 b\u1ec1n t\u1ef1 nhiên t\u1ed1t. Hi\u1ec7n nay, tr\u01b0\u1edbc nhu c\u1ea7u s\u1eed d\u1ee5ng g\u1ed7 ngày càng t\u0103ng, l\u01b0\u1ee3ng g\u1ed7 quý r\u1eebng t\u1ef1 nhiên \u0111ã c\u1ea1n ki\u1ec7t, \u0111òi h\u1ecfi ph\u1ea3i có s\u1ef1 thay \u0111\u1ed5i trong cách th\u1ee9c s\u1eed d\u1ee5ng g\u1ed7.  <\/span><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11],"tags":[],"_links":{"self":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9472"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/comments?post=9472"}],"version-history":[{"count":1,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9472\/revisions"}],"predecessor-version":[{"id":10926,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/posts\/9472\/revisions\/10926"}],"wp:attachment":[{"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/media?parent=9472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/categories?post=9472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vafs.gov.vn\/vn\/wp-json\/wp\/v2\/tags?post=9472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}