Ukufunda Amathuba Angamukelwa Ifilimu leZindawo zaseMphendulo Ukuthi uzame ngokukhulu

UV Radiation kunye no-Polymer Degradation

Imithwanciso ye-UV yesihlangu siqinisekisa ukuba kuhlatshelwa kakhulu ngokwezindaba ezingaphansi kwezindaba zokuthiwa yinkanyezi. Xa lezi zimithwanciso ezingcono kweyona engeza kweplastiki, iya qala ukuthula lezi zilandelana ezinde zokudonsa kuleli kha. Lokhu kwenza ukuba kube nezinhlobo zazo zilandelayo zokuthiwa kuhlathshelwa indaba ngokwesibonelo. Inhlangano enithiwa yi-Hyplast, ohlinzela indaba ngokwezindaba ezingaphansi, isebenza ngokujulile kule ndaba. Izinto zabo zekubonisa ukuthi imithwanciso ye-UV iyaccelisa kona inkathalo yekudonsa. Kepha kukhona futhi imiyalelo ethile! Abahlinzeli hlinzela ukuthi kuhlanganwe nezinto ezingcono ezithiwa yi-UV stabilizers ukuze bathinte kuleyo ndaba. Lezi zinto isebenza ngokujwayelekile njengesicelo se-sunscreen kwezindaba, iyaqala ukuthiwa kuthatha imithwanciso ye-UV kuze kube yena ngaphandle kwezimphakathi. Izindaba ezingaphansi zokuthiwa zihandleni ngokwezimithwanciso ezingcono ngokulingana nezidingo zazo. Izindaba ezine UV stabilizers okuningi ngokuvamile zilinda kude kakhulu ngaphandle, ngakho ke kufanele abahlinzeli bathinte iprodukthi enikezela ukulingana nezimithwanciso ezingcono esingatholakali.

Ububanzi Bucwaningi KweziZinto Ezivunyelwe Zokubhedliseko Lokusebenza

Imifilimu ye-greenhouse ibona izinkinga ezinhlelweni xa kuchithwe kumachemikhali agcwele. Ezimalwa amachemikhali afana nezicatshulwa nezinhlayiya zokugcweleza kuzoba yenza ukuba kuthathwe amagugu akhathazekile, ngokudinga imifilimu ehlenwe kwi-polyethylene. Isimo esibangelwa ngokuba lezi zinto zireya ngokuchemikhali nezinhlobo zokugugu. Imaphakelo yesipho ikubonisa ukuthi le ndlela chemikhali ishna kakhulu ngaphakathi kwamagreenhouse, okunye kube yenza ukuba kube lula izinto zokulungisa njenge-HALS (hindered amine light stabilizers) okunye kube yenza ukuba imifilimu ithole isikhathi eside. Abafarmi abathela inketho yabo kufanele bazeke ukuthi bakhethelwe imifilimu engcono ehlenwe ukuthola isikhathi eside xa kuthathwe kumachemikhali. Le mifilimu ethola isikhathi eside ngokuthulula. Futhi kubaluleke ukuthi ukushunqulela izithixo nezinye izinto zokulungisa kwenzeke kuphela xa kudingeka, futhi kuyadingeka ukuthi ukuvikwe yona onke amaphulezini asetshenziswa amachemikhali aphathelene ne-chlorine njengoba aya kuthathwa imifilimu ngokwehla.

Imphepho yesikhombisi nokuthiwe ukuba phakathi komhlophe nokuraba

Lapho imifilimini yegreenhouse iyaphakama nezindawo zemetal na nezindawo zemrubhi, kungenjalo iyapha ngokushesha kune kudinga. Ababi babetsha izindawo zemetal noma izindawo zemrubhi lapho baphakelisa, kodwa lezi zinto ziyenza izinkimbetho ezingcono. Imrubhi inasulfur, futhi izintambo zinezimfanelo zokwandisa okuzenzeka ngokuxhasa ukuphoyiswa kweyofilimini ngokudlule kwesikhathi. Kutheni? Imipho yebhakabhaka iyatshalwa kuzo kanye neyadinga ngokujulile. Ngokokusha kweLumiforte, izindlela ezimbiyo zokufaka iyathishisa leli qhuma, kuthiwa ukuphoyiswa kuvulelwa ngokushesha kune kudinga. Uma abafakele labathanda ukuba yafilimini yabo iyalele kude, kudinga ukuthi babuyise lezi zinto zingaphakani. I-Buffers ezakhiwe ngokwezinto engenazo ukuxhasana noma izinhlobo eziyinkimbetho zokuthwalwa kungase kuthuse ukukhishwa kweqhoboka. Ukubuyelela ukuthi izinsizakalo zenzelwa kanjani akuyona kuphela okungcono kodwa kuyindiza esenza ukugcina imifilimini ehle neyadinga kanye nokunquma ukuphoyiswa nokuxhasana nezinkinga zokuchitha ezimbiyo emuva.

Amalungisi Apha Esidingiweyo Ukusebenzisa Ukugcina Ikhompyutha Lesikhephe

Iindlela Zakuhlola Ngokulandelayo Ukusuka Ukugcina Ubuhle

Ukuvikela ukuthi imifanekiso ye-greenhouse ayiphuthiwe yindlela esikhundleni xa kufanele kutholwe okunye ukulinda kakhulu. Qala ngezindlela ezibalulekileyo zokuvatha uma kuvunyelwe. Bona bonke bafuna ukuthi ukuxhumana kwezinto eziyisisekelo nezindlela zokuvatha kusebenza kahle kakhulu ukusula amadoti ngaphandle kokuthi kutheni kakhulu imifanekiso. Cela ukuthi uvathe ngokulula ngemvabe encane noma isiponjwa. Lezi zindlela zokuvatha zenza imifanekiso ikhangele kahle ngokudlule kwezinsuku. Abakhankatha bafaka phakathi ukuthatha isikwele noma amadoti amaningi xa uvatha ukuze akwazi ukwenza amadoti. Imvula iyinani elikhona lapho kwenza le nto. Hulumela ukuvatha kuzinsuku ezikhona kuzo izimo ezidinga kakhulu ngokuthi ukuthenjelana okuphuthumayo kungavathi kakhulu okunye ukuthi kutheni kakhulu imifanekiso.

Ukubuyiselwa kweNqwelo neZilimo Zokudibanisa Ngokubuyekeza

Imifilimbi yesilika kahle kufakwa kwezilwane nezinto eziningi zokulinganisa okubangela ukungena kwezulu kakhulu. Uma kushiywa kanje ngemva kwezinsuku eziningi, le miphumela ikwazi ukuba yinkinga enkulu. Uma izilwane zakhona ngaphandle kwehlukahluka kweglasi noma kweplastiki, izulu elincane lizophakama ezingeni labaphantsi, futhi yini okuqala? Ukuhlanjwa kwemithi kwehla. Abakhelwe kwezilika kahle bafuna ukuthi ukusula le nto ngokushesha kuyinto encane. Ngokuphepha, abaningi basebenzisa icala elidiluthiwe nezinye izindlela zokwelashwa ezinhleliwe ngokwezifiso yezilika. Kunezincubombo ezinhleliwa ukuthi yini okungcono kungase kube uma izinto zokulingana zikhona ngemva kwezinsuku eziningi - sikhuluma ngehlulekile kakhulu kwezindlela. Ngakho abakhelwe abaningi bafuna ukulandela uhlelo lwesikhathi sokulula. Ukuxhuma izindlela zokulungisa zabo noma ngekhaya noma ngenkathi yezinye izindlela zokulungisa zokwenziwa kuyinto encane ukulungisa le nto futhi ukuvikela ukuphelelwa kwezilika.

Ukuvumela Amathuluzi Noma Amaphini Emanje

Ukuthola izicathami ezifanele nezinhlanzi zokuhlula kakhulu kubaluleke kakhulu uma sifuna ukuba imifanekiso yethepa yethu iye yasekude. Lezi zibhushu ezikhulu nezicuwa zokuhlula zizokwenza isihlobo sengqimba ngokwehla. Futhi, ukwengeza okunyaniselwe, lezi zinhlanzi ezikhulu ziyadla ngokokuletha kwezinhlanzi. Kungenzeka ukuthi use izicathami eziphansi noma izingcwele zokuhlula zinezinhlanzi ezinhle ezwenziwe ngokwezifiso kweplastiki yethu. Lezi zindlela ezingenakukhula ziyakuhlula imifanekiso futhi kahle ukudla nezindleke. Abakhulu abaningi bokuzithutha kuvuma ukuthi kufanele ukhulele isicathami sokuhlula ngokweqile ngezi zindlela eziphansi. Sibonile kakhulu kwezithepa lapho abantu babuyela ngale ndlela futhi imifanekiso yabo ibuye yasekude ngeminyaka embili okungenzeka ukuthi kubukeke izithelo kanye nezimali ezingekayo kakhulu kwezibuyiso emuva.

Ukungena Ukushaya Umoya Ngokushintshwa Kwemisebenzi

Ukusebenzisa Amacalaji Apha UV Ukungena

Imifilimu ye-greenhouse ingcina kakhulu xa etratwa ngokubhala okuqinisekisa UV obukhishela kumaqo amaningi okuvela kugcina kweplastic ngeminyaka futhi kwezinyanga. Indlela le coatings ifuna kusebenza kuyindle ngokuthi ibuyisela kakhulu leyo maqo angcono UV ngaphambi kokuba angqamise kwezindawo eziphatha polymer. Imirholtfo engasemathuleni iyahlukahluka kakhulu, kodwa kunezinye ezifiswe ngokuthanda kanye ReduHeat ne-ReduSol, zombili izokwelwe ngokuthile kumasepela. Ngokwesithathu uRoel Weijers wazibuza ngenkathi wasebenza njengu-R&D Manager ku-Lumiforte, imishonga ephelele yokubhala iye kuvumela ukuthi i-photosynthetic active radiation (PAR) ligcizele futhi ibeke phansi okungcono njengokwehlukaniswa kwe-infrared futhi kwezinye izindlela zokuqeda. Ukubheka imali evela kwezindlu zokulima e-Europe ikhombisa okuthile futhi abakhulu abaningi babize ukuthi bafike kwezindleko zokubuyisa ngemuva kokufaka lezi zindawo zokuvikela, noma kunengqi kokuqala. Ziningi zabo bafindwa ukuthi imali esetshenziswe kwezindleko zokulungisa nezokubuyisa iyahlulela konke ngokudlule kwesikhathi.

Ukugcina Ukuphakamisana Okusebenza Ngenxa Yemvula

Imicabhaqisi ephezulu inemiphumela encane ekutholeni amathuba aphezulu kakhulu kwamathuba aphakathi kwegreenhouse futhi ibhinge izimpambane ukwakhiwa kwezinkanyezi nezindleke zokwanda. Lapho kuyindlela yokuthola yini leyo mikhombiso ephakathi kwezimpambane, ababhongi kufanele bachinge kakhulu kweyiphi into abayibhongayo nekuphi kweqile kwezimpambane. Sebenzisa izimpambane zokuhlolisa umhlaba, lokhu kunceda ukushisa kakhulu kwezimpambane zokuhlolisa umhlaba ngaphandle kokwenza amathuba aphakeme kakhulu okwenza amagqabi apho. Ababhongi e-Arizona noma e-California ngokuvamile bavame ukusebenzisa izimpambane zokubhala kwezinyawo ngezinsuku zomhlanga lapho izinkanyezi ayiphumeleli. Le mpambana yokuqina izindleke zokwanda kodwa ikhombisa amathuba aphakade ukuthi izimpambane zenze ukubhahla ngokuphezulu. Ababhongi abasebenzisa le mpambana yokuqina babhalwe ngokuthola izimpambane ngokuphezulu futhi babona ukuthi izimpambane zabo ziyabona ngokuphezulu, ngokukodwa ngezinsuku eziphakeme lapho izulu liyashintshana ngokungafani.

Ukuphatha Ukumemeza Ukuya Kuqondela Isidwangaliso

Lapho umoya ocwaka kugqibele kwiindlela ezincane, ukuchithwa kweplastic kwenza ukuba kube nezindlela zokubulala kwiindlela zokuchithwa. Lokhu kwenza ukuba kube nezindlela zokuthuthwa okuphumelela ekutheni isimo seplastic sibangane. Uma kushiwo ngokungabulali, ukuthuthwa okuphawulwa kuhlanganisa isimo seplastic ngemva yezinsuku, kuyenza ukuba izindlela zokubulala nezikhethelo ziphume ngokusheshayo. Ukulondoloza ukuchithwa kwenza ubuntukanyayo kakhulu ngokuba yini izindlela zokuchithwa zizoba phezu kwezinsuku. Ukuvila kuhumesho kakhulu lapha, kunoma ukuthi kunezindlela ezithile zokulayisha umoya okunye nezinhlobo zokuchithwa okuvumelekile okuthiwa ukuthi kuthatha amanzi ngokwezicelo zokuthi zibe nezindlela ezincane zokuthiwa kungathi zibe nezindlela zokubulala. Izivivinyo zokusebenza kuvithi ukuthi ukusebenzisa lezi zindlela zingakhiqiza isimo sokuba izindlela zokuchithwa zibe nezinsuku ezingaphezu kwezinyanga noma izinyanga ezingaphezu kwezinsuku, lokhu kuyenza ukuba kube nezindlela ezincane zokubulala nezindlela zokuthiwa kungathi zibe nezindlela zokuthiwa kungathi zibe nezindlela zokuthiwa.

Ukuphinda Ukususa nokuthola Ukusondeza

Ukubeka Amabhopho Ase-UV

Ifilimu leZindawo zaseMphendulo kuphulwa ngokulula kwezimo eziningi. Kwezinye izikhathi yindlela esembenza ngokuthintekile uma umuntu enqamulela leli qondo, kwezinye izikhathi izulu elibi lwenza imiphumela yakho, futhi ukuvula/ukulinda izindawo kuholela futhi. Uma lezi ziphelo azilungiswa ngokushesha, kubeguqula ukuba yinkinga enkulu endaweni yegreenhouse. Izitho zilahla ukuphela kwaqo kwezinkane zokuvusha UV futhi ukulawulwa kwezulu kuhamba ngamandla okuthi kutholele kakhulu futhi izitho zibe nemoya. Isis solution? Thatha ikhaphazoli ye-tape enesikhwama sokuvusha UV bese uphuthuwe lezi ziphelo ngokushesha bese kungaphela. Ngiyakuseniya ngokuthi yikuphi okusebenza kahle ngokwesiko.

1. Bheka indawo : Bheka ukuthi indawo efutseni kufanele kube futsi kunye nokudala.
2. Sebenzisa iteyabi : Phuma iteyabi elishintshwa yalo-UV ngaphandle komnyama okanye ongaphandle. Cebise kakhulu phakathi kwebhopho bophandle bomnyama, ukusure ukuba angakho amabhopho omncane.
3. Phakamisa iindlela : Sebenzisa umthwalo omphathisiyo ukuze uphakamise ithempi ngokugcina, ukungena isiphumo esebenzayo ngempumelelo.

Abaphethi bahlalelana nangona okungenziwe njalo, ukusebenza ithempi elingaziwayo yezulu ungavulwa kakhulu lokuhlala kwesihlanu sesikhathi sokuthiwe, lokhu lalimisela amandla okubonakali kakhulu komhlaba wemfene, usukamele izinyathelo nezinhlelo ezinethuthukiseni ezizokuthuthukisa.

Ukuphendula Ukuphazama NgeMoya Noma Ukusuka Kwemibuzo

Imifilimhi yegreenhouse zingena ukuphazamiseka ngokwengeza ukubonwa kwezulu nezulu kanye nokugcinwa kwehlathile kakhulu. Izinga lezulu kanye nezindlela zokugcinwa zingena ukwenza izindawo eziyinkimbinkimbi zibe yinkimbinkimbi, ukuze kube lula ukwenza izindlela zokugcinwa. Kusona le news, kukhona izindlela zokulinda futhi ngale ndlela. Imifanekiso emboneni kanye nezinhlelo zokugcinwa ngokulungileyo kusebenza ngokuhambelana. Uma abasebenzisa imifanekiso yabo ngokulungileyo, bahlukanisa ukugcinwa okukhishwe yizulu ngokukhulu. Imaphakela yesivikeli ibonisa ukuthi izivikeli ezifundisa lezi zinhlelo zingasinga zilalela imifilimhi ngama-30% ngokuncane kule nyaka. Ngaphezulu koku sithola imali ephakathi, ukugcinwa komthombo wehlathile ukunciphisa ukuthi kungathi kwehlathile kakhulu kwezindlela zokuzalisa izilwane ngithi yonke indawo.

Ukuphatha Zikhono Ezintsha Zokugcwaliswa

Ukugcina isicathami esemaphilimweni kanye nokubona izinkinga ngaphambi kokuba ziqale ukwenza into engcono. Xa sibheka leli philimu ngezikhathi zokulondoloza, sengathi sibona izinto ezithile njengekubuye kwezibonelo, ukuba yisicathami esikhulu kakhulu ukulawulwa, noma lapho isicathami liqala ukuba libaleka esikhundleni sokuba lisebenze ngokuvamile. Lezi zonke izinto ziyindlela yokuphawula ukuthi kunezinto ezidinga ukulungiswa ngokuphathelene nekutsiwa kwezicathami ngokuphela kwesikhathi. Abakhubekeli abasebenzisa amaphilimu ngemva yesikhathi babonisa ukuthi lapho isicathami sibuye kwezibonelo noma liba nezindaba ezincane ezweni, leyo ngizindlela ezibalulekile zokuphawula okufanele sikhathaze. Kunezindlela eziningi zokulandelela le nto - abakhubekeli abaningi bathi bathi baleka bese basondelwa kakhulu, futhi abanye bathi bakhuthaza izinko ezinhle zokusebenza noma naye baphumelela amathuluzi okukhankasa kwezibonelo kumaqembu asezingeni lokuphambana nezokulima. Isiqephu esiyinhloko yekuqinisekisa ukuthi lezi zinkinga zibonakala ngokushesha kungakhathali izindleke zethu ezisebenzisa isicathami esifanelekile, okuyindlela esiyinhloko yokusebenza kakhulu kwekhaya lomhlaba ngemuva kwenyaka futhi.