Njengamanje, izinga lezinkomishi zephepha ezilahlwayo emakethe alilingani, ingozi efihliwe inkulu.Abanye abenzi bezinkomishi zephepha bangeza izikhanyisi ze-fluorescent ukuze zibukeke zimhlophe.Izinto ze-fluorescent zenza amangqamuzana aguquke futhi abe umdlavuza lapho esengene emzimbeni.Ukuze wenze inkomishi ingabi namanzi, ingaphakathi lendebe limbozwe ngefilimu ye-polyethylene engenamanzi.I-Polyethylene ikhemikhali ephephe kunazo zonke ekucutshungulweni kokudla, kodwa uma impahla ekhethiwe ingalungile noma ubuchwepheshe bokucubungula bungekho ezingeni, izinhlanganisela ze-carbonyl zingase zifakwe i-oxidized ngesikhathi sokuncibilika noma ukumbozwa kwe-polyethylene enkomishini yephepha, futhi izinhlanganisela ze-carbonyl aziguquguquki. kalula ekamelweni lokushisa, kodwa ingase ihwamuke lapho inkomishi yephepha igcwele amanzi ashisayo, ukuze abantu bayinuke.Nakuba zingekho izifundo zokuqinisekisa ukuthi i-carbonyl compounds ekhishwe ezinkomishini zephepha izoletha noma yikuphi ukulimala emzimbeni womuntu, kodwa kusukela ekuhlaziyweni kwethiyori evamile, ukuthathwa kwesikhathi eside kwalezi zinhlanganisela eziphilayo, kufanele kube yingozi emzimbeni womuntu.Okukhathaza kakhulu ukuthi ezinye izinkomishi zephepha ezisezingeni eliphansi ezisebenzisa i-polyethylene egaywe kabusha, enqubweni yokucubungula kabusha zizoba nezinguquko zokuqhekeka, okuholela enanini lamakhompiyutha ayingozi, ekusetshenzisweni kokufuduka kwamanzi kalula.
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Eqinisweni, ukukhetha izinkomishi zephepha nokuthenga ukudla kuyafana, udinga ukubona ukupakishwa kwenkomishi yephepha akukho logo ecacile ye-QS, ulwazi lomkhiqizi, usuku lokukhiqiza.Ungafisi imali eshibhile futhi uthenge izinkomishi zephepha ezingenazo izincwadi.Ngaphezu kwalokho, kufanele futhi ubone ngokucacile ububanzi bohlelo lokusebenza olukhonjiswe kuphakheji.Eqinisweni, ukukhetha okufanele kwezinkomishi zephepha kufana nokuthenga ukudla, udinga ukubona ukupakishwa kwendebe yephepha akukho logo ecacile ye-QS, ulwazi lomkhiqizi, usuku lokukhiqiza.Ungafisi imali eshibhile futhi uthenge izinkomishi zephepha ezingenazo izincwadi.Futhi ufuna ukubona ngokucacile ububanzi besicelo ephaketheni, inkomishi yephepha evamile elahlayo iwukukhombisa izinga lokushisa elisebenzayo lenkomishi yephepha, uma uthenga inkomishi yesiphuzo esibandayo akufanele neze isetshenziselwe ukugcwalisa amanzi ashisayo, ukuze ungavuzi. futhi ashise.Ezinye izinkomishi zephepha ezinkulu zokudlela ezisheshayo ziphephile ukuthi zisetshenziswe lapho udla.Imvelo ayilungile, azikho izindawo zokudlela ezinemvume yezempilo, ukusetshenziswa kwezinkomishi zephepha kunzima ukuvikela.Ngaphezu kwalokho, endaweni enjalo yokudla, ukuphepha kokudla akuqinisekisiwe, ngisho noma "indlela yemizuzu emi-5 yokubulala amagciwane" iyasebenza ngempela ayinamsebenzi, noma ungadli nakuleyo ndawo.
Isikhathi sokuthumela: Apr-04-2023