Polyacrylamide, musanganiswa unosiyana-siyana, yakawana mashandisirwo akakosha munzvimbo dzakasiyana siyana. Munzvimbo yezve aquaculture, polyacrylamide yakabuda sechishandiso chakakosha chekugadzirisa kunaka kwemvura uye kukurudzira kukura kune hutano kwehove neshrimp. Muchikamu chino, tinoongorora zvakasiyana-siyana zvekushandisa ...
Verenga zvimwe