KumiswaIsayensi

Izinsimbi ezisindayo: The Phantom Menace

Chemical umkhakha kwenza kujabulise yethu futhi zikhululekile. Kodwa kukhona sinazo - ukubukeka imvelo izidakamizwa ezingekho ngokwemvelo yakhe. Ngokuqinisekile wonke umuntu oye wezwa kuBaba futhi yini mayelana izinsimbi ezisindayo. Kodwa akubona bonke abantu uyazi yencazelo yalo mkhakha izidakamizwa.

izinsimbi ezisindayo - izinto ezithinta kwabantu yensimbi ngaphezulu imvelo atholakala izinto eziningi ezincane. Kodwa entsha imvelo ezenziwe umuntu, ukuthi inethonya enamandla kakhulu izitshalo, izilwane kanye nabantu. Into siwukuthi bangamalungu ngezinye izikhathi iba kakhulu maladjusted ukuba lokuhlala ezinjalo ndaba izinhlelo, kungaba emzimbeni womuntu, isilwane noma isitshalo umzimba.

izinsimbi ezisindayo emanzini ngezikhathi avele izingxenye ezihlukahlukene zomhlaba. Ngakho kwaba e-Japan. Isimo kubangelwa ukwanda okuhlushwa mercury ngokuthi Minamata isifo. Washona ngo-engaphezu kwekhulu abantu, futhi inani iyagula libalwa izinkulungwane. abantu abangajabule uzizwa ubuthakathaka namandla, kwakunzima kakhulu ukusho, Gait baba engeyinhle, emkhakheni umbono uncipha imilenze ndikindiki. Ezimweni ezimbi kakhulu, lifika ukulahlekelwa okuphelele umbono, futhi ukufa. Kwenzeka lesi senzakalo esidabukisayo 1953godu.

Isizathu kwaba ukuthi Minamata Bay uthululela emfuleni. A elihlanganisiwe imfucuza chemical isitshalo kuwo. I ezibolile izimila zasemanzini mercury etholwe methyl mercury - nemiyo enobuthi kakhulu. Ayanda ku eziwukudla uqhutshwa, aba maningi lokuhlushwa ezikhulayo. ubuthi Iningi ukuqongelela izinhlanzi ezidla inyama. Lapho methylmercury ukuwela umzimba womuntu, aqoqana ubuchopho, kancane kancane okubangela wonke echazwe sezinzwa izinkinga ohlelweni.

Futhi eJapane, kwakukhona indaba Dzintsu emfuleni umcengezi kule 20s yekhulu lama-20. Kukhona isikhathi eside kwakukhona nobulwelwe: abantu zikhubazekile amathambo, bafa nge ukububula, okuhumushekayo ku Russian ngokuthi "ogulayo!". Lokhu ukwesaba waqhubeka kwaze kwaba 70, uma iziguli ujike futhi icala inkampani, okuyinto uhlangane emifuleni cadmium lichaza ekwakheni imfucuza okwami.

izinsimbi ezisindayo enhlabathini mancane ezivamile, kodwa namanje Kunconywa ukuba abalimi ukuhlola yobukhona babo emhlabathini phambi utshala izithombo zakho. Phela, uma ungenawo ahlupheke futhi abantu ezilwaneni nasezitshalweni. Futhi akusiyo kuphela akwamukelekile futhi yisigwebo, kodwa futhi inzuzo.

Yini uvame ezitholakala enhlabathini? Okokuqala, ukuhola. Lavelaphi? Kusukela amagesi qeda. Yingakho-ke akudingekile ukuqoqa izithelo kanye amakhowe lwangakwesokudla komgwaqo. Futhi uma kukhona yasensimini? Sekuyisikhathi eside Emazweni ophucukile emi ezicijile ekhethekile. Ngezinye izikhathi kuholele umhlabathi eliphansi imithi exosha izinambuzane. Ngakho uma uthenga imithi yokubulala izinambuzane for engadini, qiniseka ukuthola okungenani ku-inthanethi yase-ins yabo futhi nasemigwaqweni.

Oh sishilo cadmium. Angase abe enhlabathini. ngaphambili kwakhe busuka emhlabathini kanye umquba phosphorus. Khona-ke abantu baba lokuhlala eyinakekela, kodwa ngezinye izikhathi eliphezulu cadmium kulesi sigaba Umanyolo ihlangabezana namuhla.

Arsenic itholakala imikhiqizo kabusha, lapho ukwanda okuhlushwa, ngakho-ke kuyangabazeka ukuthi kabusha udoti - panacea for ntu kwemvelo.

Uma phambi kwenqwaba yokungcola ezisansimbi ezinamandla ewusizo emazweni asethuthukile, umkhakha chemical emkhathini, manje inkinga eyinhloko ihlobene inombolo babo yanda ezinye umquba. umquba Potash hhayi unekhono aqukethe cadmium, kodwa phosphorus can. Ngakho-ke kungcono uncamela angaphandle, zikhona imiyalelo eqinile kakhulu.

Hhayi ubaluleke kakhulu kangakanani wesabe izinsimbi ezisindayo, kodwa uma endaweni yakho wakhushulwa okuqukethwe kwabo, udinga okungenani inyanga eyodwa ngonyaka endaweni ehlanzekile semvelo.

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