Tã karafa: The fatalwa hadari

Chemical masana'antu da ke sa mu farin ciki da kuma dadi. Amma akwai wani downside - bayyanar a cikin yanayi na abubuwa da ba su halitta domin ta. Lalle ne kowa da kowa ya ji wani abu game da nauyi karafa. Amma ba kowa ya san da definition wannan category na abubuwa.

Tã karafa - abubuwa wanda da yawa daga mafi baƙin ƙarfe a cikin yanayi da ake samu a kananan yawa. Amma sabon mutum da aka yi muhalli, suna da wani karfi sakamako a kan shuke-shuke, da dabbobi da mutane. The abu ne cewa su ne wani lokacin zama da yawa domin maladjusted to irin wannan yawa na al'amarin tsarin, ko yana cikin jikin mutum, kuma wata dabba ko shuka kwayoyin.

Tã karafa a cikin ruwa daga lokaci zuwa lokaci bayyana a sassa daban daban na duniya. Don haka shi ne a Japan. A yanayin lalacewa ta hanyar da karuwa a cikin taro na Mercury, kira Minamata cuta. Ta rasu a kan fiye da dari mutane, da kuma yawan m kidaya a cikin dubbai. M mutane jin wani karfi da rauni, shi kuwa yana da wuya a ce, Gait ya zama m, da fannin hangen nesa Narrows, kafafu kangararre. A tsanani lokuta, shi ya zo da cikakken asarar hangen nesa, da kuma mutuwa. Haka ya faru da wannan bakin ciki aukuwa a 1953godu.

Dalili kuwa shine, a Minamata Bay empties a cikin kõgi. A merged sharar sinadaran shuka a cikinsa. A rubabben cikin ruwa da ciyayi na Mercury da aka samu methyl Mercury - wani musamman m abu. A mafi girma a cikin abinci sarkar da aka dauka up, da girma da taro na girma. Mai poisons tara a predatory kifi. Lokacin da methylmercury fada a cikin jikin mutum, shi accumulates a cikin kwakwalwa, hankali haddasa duk aka bayyana tare da tsakiya m tsarin matsaloli.

Har ila yau, a Japan, akwai wani labarin a Dzintsu kogin kwari a cikin 20s na 20th karni. Akwai wani dogon lokaci can aka mai mummunan cuta: mutane sun maras kyau ƙasũsuwa, kuma sun mutu tare da nishinsu, fassaruwa cikin Rasha a matsayin "rashin lafiya!". Wannan ta'addanci dade har zuwa 70th, a lokacin da marasa lafiya juya da wata kara da kamfanin, wanda ci a cikin koguna cadmium a cikin abun da ke ciki na mine sharar gida.

Tã karafa a cikin ƙasa ne ƙasa da na kowa, amma har yanzu da shawarar da manoma su duba kasancewarsu a cikin ƙasa da shuka your shuke-shuke. Bayan duk, idan ba ka sha wahala da kuma mutane da dabbobi, da kuma shuke-shuke. Kuma shi ne ba kawai abi'a unacceptable da hukuncin, amma kuma riba.

Abin da aka fi samu a cikin ƙasa? Da farko, kai. Inda ya fito? Daga shaye gas. Wannan shi ne dalilin da ya sa ba lallai ba ne don tattara berries da namomin kaza dama gefen hanya. Kuma idan akwai wani filin? A m kasashe sun dade tsaye musamman fences. Wani lokaci kai zuwa kasar gona tare da matalauta quality-kwaro repellents. To, a lõkacin da ka saya da magungunan kashe qwari domin gonar, tabbata a sami a kalla a kan Internet na ins da sabani.

Oh mun ce cadmium. Ya iya zama a cikin ƙasa. Fari mai gabatar a cikin ƙasa tare da phosphorus takin. Sa'an nan mutanen da suka zama mafi m, amma wani lokacin high yawa daga cadmium a cikin wannan category taki gana a yau.

Arsenic da aka samu a kayayyakin na sake amfani, a cikin abin da taro ƙaruwa, don haka shi ne m cewa Juyin datti - a dama, ga muhalli mutum.

Idan kafin girma na gurbatawa da nauyi karafa da amfani a raya ƙasashe, da sinadaran masana'antu watsi, yanzu babban matsalar da aka alaka su ƙãra yawan a wasu takin. Potash takin ba suna da ikon dauke da cadmium, amma phosphorus iya. Saboda haka shi ne mafi alhẽri fi son waje, akwai yawa stricter iko.

Ba daraja sosai ga ji tsoro da nauyi karafa, amma idan ka yanki da aka daukaka su ciki, kana bukatar a kalla daya watan a shekara, a wani tsabta muhalli yanayi.