rjt

Kumwa madzi kuchokera m'madzi am'nyanja

Kusintha kwanyengo komanso kukula kwa mafakitale apadziko lonse lapansi ndi ulimi wapangitsa kuti vuto la madzi abwino likhale lalikulu kwambiri, ndipo kuperekera madzi abwino kumakhala kovuta, kotero kuti mizindayo ina ikuchepa kwambiri. Vuto lamadzi limatanthawuza zomwe sizinachitikepo kanthu kuti zisayenere mano. Chida cha Membrane Desanja ndi njira yomwe madzi am'madzi amalowamo kudzera mu kupsinjika kwa michere yolumikizidwa, mchere wambiri m'madzi am'madzi amatsekedwa ndi madzi am'nyanja, ndipo madzi abwino akutuluka kuchokera kumbali yochepa.

Malinga ndi National Bureau ya ziwerengero, kuchuluka kwa zinthu zonse ku China kunali 2830.6billion Cubic metres mu 2015, kuwerengera pafupifupi 6% ya madzi apadziko lonse lapansi, chifukwa chachinayi padziko lapansi. Komabe, pa capita madzi atsopano amadzi ndi mamita 2,300 okha, omwe ndi 1/35 yokha ya dziko lapansi, ndipo pali kuperewera kwa madzi okongola achilengedwe. Ndi kuthamanga kwa mafakitale ndi kutukuka kwa magazi, kuwonongeka kwa madzi abwino kumachitika makamaka chifukwa cha zinyalala zamafakitale ndi mitsinje yanyumba. Kusaka kwa madzi am'madzi kumayembekezeredwa kukhala malangizo akulu powonjezera madzi ambiri akumwa kwambiri. Makampani ogulitsa madzi ku China amagwiritsa ntchito maakaunti a 2/3 a zonse. Pofika pa Disembala 2015, ntchito zobwezeretsa zam'madzi zam'madzi 139 zamangidwa padziko lonse lapansi, zokhala ndi matani a 1.0265million / tsiku. Maakaunti a mafakitale a mafakitale a 63.60%, ndi maakaunti am'madzi okhalapo 35.67%. Pulojekiti yapadziko lonse lapansi imagwira madzi okhala (60%), ndi madzi ogulitsa mafayilo 28%.

Cholinga chofunikira pakupanga ukadaulo wamadzimadzi ndikuchepetsa ndalama zogwirira ntchito. Mu kapangidwe ka ntchito yamagetsi, ndalama zamagetsi zosemphana ndi ndalama zochulukirapo. Kuchepetsa kugwiritsa ntchito mphamvu ndi njira yothandiza kwambiri kuti muchepetse ndalama zoyatsira madzi.


Post Nthawi: Nov-10-2020