Zonke Izigaba

umsebenzi wokuthuthukisa amaphetha lokusemthethweni

Ukuthengiswa kwefilimu yokugcina izithombo kumelela ingxenye ebalulekile yochungechunge lwezokuphakelayo kwezolimo, enikeza izinto zokuvikela ezisezingeni eliphakeme ezibalulekile ekusebenzeni kwesitshalo samanje. Lezi zinhlayiya ezikhethekile zenzelwe ukudala izimo ezikhulayo ezinhle ngokulawula ukudluliswa kokukhanya, ukulawula izinga lokushisa nokugcina umswakama. Amafilimu ngokuvamile anobukhulu obuphakathi kuka-100 no-200 micron futhi akhiqizwa kusetshenziswa izinto eziphambili ze-polyethylene ezithuthukiswe ngama-UV stabilizers nezithasiselo ezishisayo. Zinokuqina okuvelele, okuhlala phakathi kweminyaka emibili kuya kwemine kuye ngezimo zemvelo kanye nekhwalithi. Amafilimu anamuhla asebenza njengendlu yokugcina izithombo ahlanganisa ubuchwepheshe obuyinkimbinkimbi njengokusabalala kokukhanya, okusiza ukusabalalisa ukukhanya kwelanga ngokulinganayo endlini yokugcina izithombo, kanye nezici ezilwa nokwehla kwegazi ezivimbela ukuqina kokulimaza izitshalo. Lezi zinhlayiya zitholakala ngezincazelo ezihlukahlukene ukuze zihlangabezane nezidingo zezulu nezitshalo ezahlukene, ngezinketho zokugcinwa kokushisa okwengeziwe, ukuthutha kokukhanya okuthuthukisiwe nokuvikelwa kwe-UV okuthuthukisiwe. Ukusabalalisa ngobuningi kuqinisekisa ukufinyelela kwezindleko ezifanele kulezi zinto kubalimi bezentengiselwano, abahlinzeki bezolimo, nezinkampani zokwakha izindlu zokugcina izithombo, okubenza bakwazi ukugcina amanani ancintisanayo ngenkathi behlinzeka ngezindawo ezikhulayo eziphakeme.

Amagaba Amahlula Ngoku

Umkhuthazo wokusebenza kwezilimi zokugcino luhlengane amanqaku amakhulu esihle ezifanayo ngaphandle kwesiboniselo sokufundziswa kwezindawo zokuhlola okukhulu nezinhlanhleni zokugcino. Yeyokuqala, ukungena ngeemnyango engaphezulu kubonisa ukususa iindlela zakho lokuncedwa, uzogcina imali yezikhatsi ezingaphambili nokuhlonipha imibuzo emikhoyo. Ukusebenza kwezilimi amakhulu uhlengene ngeemva wenkxaso enemisebenzi yokulula, ubungakhiwo abangasetyenziswa njengeentliziyoni ezintsha nokuphucumana okudingekileyo ongavamileyo kwezindawo ezinethunywa. Ukubuyisela kweqhutywa kukholelwanga elinye, ngoba bezasebenzisa amandla amahle okudla olungelona kunye nenkomshini yokusetyenziswa yamanje. Ukusebenza kwezilimi amakhulu ungene ukwakhiwa okulingekayo wezindawo zeququzelelo, ngenxa yomoya omkhulu okufakwa nokuthatha izinto ezinethunywa ezinomsindo. Ukusendziswa kwezilimi amakhulu usuka ngokuthi abasebenzela babebekisele ukusosha nokusetshenziswa, ubungakhiwo abangasetyenziswa njengeentliziyoni ezinethunywa ezinomsindo. Ukukhetha kwisezincwadi eziningi ezisethenteka, futhi zingaba zithathalwa, zikhona ukuba bakhetha izidingo zabo zokuthunywa kwezindawo. Izilimi amakhulu zingabuyeleyo ngeemthetho eyahlukanisiweyo nokukhupha imali, uzogcina ukusebenzisa komkhonto kwezindawo zokuhlola. Ngakwesikhashana, ukwenza imibono engaphezulu ngezilimi amakhulu uzobuya ukuthi uzokhuluma phakathi komphakathi nokuthuthukisa okuningi lokusebenza nokuthuthukisa.

Izindaba Zamuva

Isipho Sokuqala Sokuhlola Ukusetyenziswa KweSayensi Wesayensi Namasinye Amanqaku

24

Apr

Isipho Sokuqala Sokuhlola Ukusetyenziswa KweSayensi Wesayensi Namasinye Amanqaku

Bheka Okuningi
Ukubala Ukuthi Ukhetha Isihloko Esikhaliweyo Lwesayensi Enguqulini Lwemibuyelo Wakho

24

Apr

Ukubala Ukuthi Ukhetha Isihloko Esikhaliweyo Lwesayensi Enguqulini Lwemibuyelo Wakho

Bheka Okuningi
Amalungiselelo Akufaneleko Okusebenzisa KweSayensi Wesayensi Ngaphandle Kwesayensi Lokugcina

24

Apr

Amalungiselelo Akufaneleko Okusebenzisa KweSayensi Wesayensi Ngaphandle Kwesayensi Lokugcina

Bheka Okuningi
Ifilimu Yegcini: Ukukhuluma Ngenkathi Ukhuphiselela Umnikelo Wesintshontsho Ngenqanawe

24

Apr

Ifilimu Yegcini: Ukukhuluma Ngenkathi Ukhuphiselela Umnikelo Wesintshontsho Ngenqanawe

Bheka Okuningi

Thola Isilinganiso Samahhala

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umsebenzi wokuthuthukisa amaphetha lokusemthethweni

Ubungako Bophutha Lomdumo Obuhle

Ubungako Bophutha Lomdumo Obuhle

Izinhlelo zokuphutha lomdumo ezikhathaleni kwezifilimi ezisetyenziswa zezigcini zihlanganisa ukubonakala kakhulu ngephrojekhi yobungako obuliliyo kwiqhobo lokuhlola umdlalo. Izifilimi zingcinisekisi amandla okanyekeza nokuphutha lomdumo ukuze libe liphrojekhi lokuhlala kwemibha. Ubungako bungena ukufinyelela kwezindlela ezidingeki lomdumo, ukusukelela ukugcina umdlalo ngaphandle kokuhlala kumthetho omkhulu olunqabane. Izifilimi zingena usuku lwenzi 91% we-photosynthetically active radiation (PAR) ngakho ukufinyelela ukuphutha lomdumo ukuya kumikhiwo emfunamanisi wemibha nokukhlula ukuphuma komdlalo kwezindlela ezimfanele. Ukuphutha lomdumo olungaphansi lungenxa lokuhlala kahle elinyeleyo lokuhlala kahle lokuhlala kahle lokuhlala kahle lokuhlala.
Ukuphakamiswa Okuthile nokugcwalelo kwezintaba

Ukuphakamiswa Okuthile nokugcwalelo kwezintaba

Izifilimi zokugcina izikhumbuzo zizihlelwe ngamandla okuvikelwa ukusukela kwiseveni lokulandelana nesikhashana esisodwa. Iziphethelo zingcinane ziyahlanganisa amandla apha ezintathu ezincedise yezindlu eziyaziwanga lomthimba oluhlelo olunqaphelwe, uzokusondela isimo sokuqala sokusebenza. Lezifilimi zibonisa umndeni omkhulu wokungabika kunye nokubheka, uzogcina ukuhlanganiswa kwesiphumo sesikhombiso ngaphandle komoya omkhulu nokuthi okulinganayo nge-snow. Umyalezo wesiphihlolo wakuxhasa amandla apha ezifaneleyo ezifundekayo ezifundekayo ukusondela ukufaka indlela yokuhlala ekupheleni kwezinto ezinikezelwe ngaphandle kokuthatha umoya omkhulu nokuthi okulinganayo nge-snow. Ukusondela kumthimba kulandelana nenkxaso yemvume yavancisa okanye ukusondelela amalayithi amaningi, oyo wonke ungenziwe ukwenza imigomo yezinto ezidingekileyo kwiseva lokusebenza kwezifilimi.
Amazwo Amahhule Eziqondisiwe Ngokucacile

Amazwo Amahhule Eziqondisiwe Ngokucacile

Izifilamu zokugcina izikhumbuzo ezinethuthukisi lokuhlola umkhondo wophandle kwezinto ezingeneyo ukusukelwa kwamalayini okanye amakhulu. Iindlela edluleyo lezi filamu zihlela ukwenzela kokuhlatywa komoya nokuhlola imigomo yezincinci esikhethekileyo ngokusebenzisa amaphrofayela. Izicatshulwa ezindwendwe zokuhlola i-infrared zithumelela umoya wendawo ngemva kokubamba, uzokusuka ukuhlanganiswa kweenergy yokusebenzisa izinhlobo zokugcina. Izifilamu zihlala ngokuphephandleyo kuhambisana nokuqaphepha umoya okanye ukufika kumahlaba emibhaleni, uzokusuka ukungakwenziwa imibhalo yokunyelekha nokuthuthukisa ukusetyenziswa kokunyelekha. Lolu hlobo lokuhlola lokuncane luhlola ukudibanisa umoya wesintsha, uzokusuka ukuba akukho incedo elingene lolu hlobo lokuhlola futhi amagabheni ahlola abahlinzekelayo kunye nezinkomboni zazo.