C\u00e2y ng\u00e2n hoa \u0111\u1eb9p \u0111\u1ebd nguy\u00ean l\u00e0 lo\u00e0i c\u00e2y xanh quanh n\u0103m. D\u00e1ng c\u00e2y \u0111\u1eb9p, l\u00e1 b\u1ea1c m\u00e0u x\u00e1m \u0111ung \u0111\u01b0a tr\u01b0\u1edbc gi\u00f3, m\u00e0u b\u1ea1c l\u1ea5p l\u00e1nh tr\u00f4ng r\u1ea5t vui m\u1eaft. C\u00e2y ng\u00e2n hoa v\u1ed1n g\u1ed1c \u1edf Australia, nh\u1eefng n\u0103m 20 c\u1ee7a th\u1ebf k\u1ec9 XX, Trung Qu\u1ed1c nh\u1eadp gi\u1ed1ng tr\u1ed3ng. Ng\u00e0y nay c\u00e2y ng\u00e2n hoa \u0111\u00e3 tr\u1edf th\u00e0nh c\u00e2y tr\u1ed3ng v\u1ec9a h\u00e8 \u1edf c\u00e1c \u0111\u01b0\u1eddng ph\u1ed1 ph\u01b0\u01a1ng Nam v\u00e0 l\u00e0 lo\u1ea1i c\u00e2y xanh ch\u1ee7 y\u1ebfu tr\u1ed3ng trong c\u00e1c nh\u00e0 m\u00e1y.<\/p>\n\n\n\n
C\u00e2y ng\u00e2n hoa c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 \u0111\u1ec1 kh\u00e1ng r\u1ea5t m\u1ea1nh \u0111\u1ed1i v\u1edbi kh\u00f3i b\u1ee5i trong th\u00e0nh ph\u1ed1 v\u00e0 nh\u1eefng ch\u1ea5t kh\u00ed \u0111\u1ed9c h\u1ea1i c\u1ee7a nh\u00e0 m\u00e1y. Nh\u1eefng c\u00e2y ng\u00e2n hoa m\u1ecdc g\u1ea7n \u1ed1ng kh\u00f3i, tuy b\u1ecb kh\u00f3i than \u00f4 nhi\u1ec5m nh\u01b0ng l\u00e1 c\u00e2y v\u1eabn kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng. Ng\u00e2n hoa tr\u1ed3ng tr\u00ean v\u1ec9a h\u00e8 hai b\u00ean \u0111\u01b0\u1eddng nh\u1ef1a, l\u00e1 l\u00f4ng nhung c\u1ee7a n\u00f3 sau khi h\u1ea5p th\u1ee5 b\u1ee5i b\u1eb7m, b\u00f9n \u0111\u1ea5t, l\u01b0\u1ee3ng n\u01b0\u1edbc m\u01b0a r\u1eeda s\u1ea1ch v\u1eabn xanh t\u1ed1t b\u00ecnh th\u01b0\u1eddng. Theo x\u00e1c \u0111\u1ecbnh ng\u00e2n hoa \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t florua hi\u0111ro Cacbon v\u00e0 clorua hi\u0111ro Cacbon c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ec1 kh\u00e1ng r\u1ea5t m\u1ea1nh. M\u1ed9t m\u1eabu c\u00e2y ng\u00e2n hoa c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 11,8 kg florua hi\u0111ro Cacbon, ho\u1eb7c 13,7 mg kh\u00ed clorua hi\u0111ro Cacbon. S\u1ee9c \u0111\u1ec1 kh\u00e1ng c\u1ee7a c\u00e2y ng\u00e2n hoa \u0111\u1ed1i v\u1edbi kh\u00ed sunfua c\u0169ng r\u1ea5t m\u1ea1nh. Tr\u1ed3ng lo\u1ea1i c\u00e2y n\u00e0y trong b\u1ed3n \u1edf ph\u00e2n x\u01b0\u1edfng s\u1ea3n xu\u1ea5t axit \u2013 sunfuric c\u00f3 n\u1ed3ng \u0111\u1ed9 kh\u00ed sunfua cao, sau 3 th\u00e1ng, c\u00e2y v\u1eabn ra l\u00e1 b\u00ecnh th\u01b0\u1eddng. \u1ede nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t axit sunfuric lo\u1ea1i v\u1eeba, trong ph\u1ea1m vi 200 \u2013 500 m trong ngu\u1ed3n \u00f4 nhi\u1ec5m kh\u00ed sunfua, c\u00e1c lo\u00e0i c\u00e2y kh\u00e1c r\u1ea5t kh\u00f3 s\u1ed1ng, nh\u01b0ng c\u00e2y ng\u00e2n hoa v\u1eabn ph\u00e1t tri\u1ec3n b\u00ecnh th\u01b0\u1eddng. \u0110\u1eb7c bi\u1ec7t, c\u00e2y ng\u00e2n hoa c\u00f2n c\u00f3 th\u1ec3 ch\u1ed1ng l\u1ea1i kh\u00ed clo r\u1ea5t \u0111\u1ed9c. Th\u00ed nghi\u1ec7m ch\u1ee9ng t\u1ecf trong ph\u1ea1m vi 10 \u2013 20 m ph\u00eda d\u01b0\u1edbi \u1ed1ng kh\u00f3i c\u00f3 nh\u1ea3 kh\u00ed clo, c\u00e2y ng\u00e2n hoa sau 20 ng\u00e0y v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c t\u00e1n l\u00e1 m\u00e0 kh\u00f4ng h\u1ec1 b\u1ecb r\u1ee5ng.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 th\u1ea5y r\u00f5 ng\u00e2n hoa l\u00e0 lo\u00e0i c\u00e2y l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed r\u1ea5t t\u1ed1t. N\u00f3 qu\u1ea3 th\u1ef1c l\u00e0 lo\u00e0i c\u00e2y xanh tr\u1ed3ng \u1edf th\u00e0nh ph\u1ed1 v\u00e0 c\u00e1c khu c\u00f4ng nghi\u1ec7p r\u1ea5t th\u00edch h\u1ee3p.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: C\u00e2y ng\u00e2n hoa.<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e2y ng\u00e2n hoa \u0111\u1eb9p \u0111\u1ebd nguy\u00ean l\u00e0 lo\u00e0i c\u00e2y xanh quanh n\u0103m. D\u00e1ng c\u00e2y \u0111\u1eb9p, l\u00e1 b\u1ea1c m\u00e0u x\u00e1m \u0111ung \u0111\u01b0a tr\u01b0\u1edbc gi\u00f3, m\u00e0u b\u1ea1c l\u1ea5p l\u00e1nh tr\u00f4ng r\u1ea5t vui m\u1eaft. C\u00e2y ng\u00e2n hoa v\u1ed1n g\u1ed1c \u1edf Australia, nh\u1eefng n\u0103m 20 c\u1ee7a th\u1ebf k\u1ec9 XX, Trung Qu\u1ed1c nh\u1eadp gi\u1ed1ng tr\u1ed3ng. Ng\u00e0y nay c\u00e2y ng\u00e2n hoa […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,17],"tags":[],"class_list":["post-9394","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9394","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=9394"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9394\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9394"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9394"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}