News ndi Society, Chilengedwe
Zosakaniza - mchere wa "mbiri"
Munthu sangakhale ndi magawo khumi mwa chidziwitso ndi chuma chake ngati sakanaphunzira kugwiritsa ntchito mchere. Mafuta, mankhwala ndi zida zili kutali ndi mndandanda wa zomwe angapeze kwa iwo ngakhale makolo athu akutali.
Awa ndiwo mchere omwe ali ndi mawonekedwe a crystalline. Dzina lawoli likhoza kumasuliridwa ngati "chinyengo, kutentha", nthawi zambiri apatite ikhoza kusokonezedwa ndi mchere wina. Zili zosiyana chifukwa zimapezeka pamphepete mwachindunji zomwe zimasiyanitsa chilengedwe ndi chinthu chosadetsedwa.
Choncho, phosphorus ndi ma apatite. Mchere wotsatiridwa pazigawozi amagwiritsidwa ntchito kwambiri m'makampani, koma ndi mbali yaikulu ya mafupa ndi mano.
Zinthu zakale zomwe zili pansi pano zimapangidwa mwakuya kwa mitundu yonse ya machitidwe a geological, choncho zimapezeka mu miyala yamagetsi, metasomatic ndi sedimentary. Mwachidule, kulikonse.
Pogwiritsa ntchito mafakitale, ma apatite amadzimadzi amagwiritsidwa ntchito nthawi zambiri. Ma minerals chifukwa chawowo amapereka 90 peresenti ya padziko lonse ya phosphates.
Zambiri mwa ndalamazo zili ku Russia, Canada, USA ndi Brazil. Amagwiritsidwa ntchito popanga feteleza, zakudya zowonjezera ziweto, kupanga zida ndi mankhwala osokoneza bongo. Popanda iwo sikutheka kupanga magetsi a fulorosenti ndi mitundu ina ya lasers.
Choncho, mayiko onse omwe gawo lawo lili ndi mphamvu zowonjezera za mineralswa ali ndi malo ofunika kwambiri.
Dziko lathu liri ndi nkhokwe yaikulu ya apatite ore (pamodzi ndi US). Pali ma depositi 20 omwe akatswiri a sayansi ya zamoyo amaganizira kuti ali ndi matani 1.5 biliyoni, omwe ndi pafupifupi 8 peresenti ya malo osungira nthaka.
Kwa chaka chino, chiwerengero cha malo omwe amafufuzidwa amayerekezera ndi matani 700 miliyoni. Mzinda waukulu kwambiri wa apatite uli m'dera la Murmansk (makamaka ndondomeko ya makampani opanga asanu ndi awiri).
Tiyenera kukumbukira kuti pali zinthu zosangalatsa kwambiri:
- Ubwino wa zipangizo zoweta zapakhomo (zonse zomwe zimafufuziridwa ndi kuziwonetsera) ndizochepa;
- Mkhalidwe woipa kwambiri mu gawo la zochitika;
- Zambiri zomwe zimachokera zimatumizidwa, osati kwenikweni kupereka ulimi wamakono;
- Mtengo wamtengo wapatali wa mafuta, womwe umakhala mtengo wamtengo wapatali wa mankhwala otsiriza mu kayendetsedwe kawo;
- FAS silingathe kuchita chilichonse ndi kugonjetsa msika wa apatite.
Chotsatira chake, zokolola za tirigu ku France ndi zopitirira makumi asanu ndi limodzi pa hekita, pamene chiwerengerochi sichiposa khumi ndi zana limodzi.
Tikukhulupirira kuti munaphunzira za zomwe apatites ali. Mchere wamtundu uwu ndi chithandizo chofunika kwambiri ndi chofunika kwambiri kwa umunthu.
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