Ikhoyili yentsimbi yePPGIyi-substrate yentsimbi egqunywe ngomaleko weemveliso zokugqunywa kwezinto eziphilayo, ngenxa yeempawu zayo ezibalaseleyo zokulwa nokugqwala, ukumelana nemozulu kunye nenkangeleko entle, esetyenziswa kakhulu ekwakheni, kwizixhobo zasekhaya, kwiimoto nakwamanye amashishini. Imbali yeeroli ezigqunywe ngombala iqala ekuqaleni kwenkulungwane yama-20 kwaye yayilungiselelwe ekuqaleni ukusombulula ingxaki yokugqwala kweepleyiti zentsimbi egqunywe ngombane kwiindawo ezimanzi. Ngokukhula kwetekhnoloji yokugqunywa ngombane, intsimbi egqunywe ngombane isetyenziswa kakhulu kwimarike.
Kwiminyaka yoo-1960, ingcamangoimiqulu enemibala egqunywe ngombalakwaqala ukubonakala, kwaye abavelisi basebenzisa iteknoloji yokugquma ukongeza umbala kunye neengqimba zokukhusela kwiipleyiti zentsimbi ezigqunyiweyo, ukuhlangabezana neemfuno ezimbini zemarike zobuhle kunye nokuqina. Ngeli xesha, iingqimba eziphambili ezisetyenziswayo ikakhulu ziingqimba ezisekelwe kwioyile, nangona zineengenelo ezithile ekusebenzeni, kodwa ukhuseleko kunye nokusingqongileyo kusafuneka kuphuculwe.
Kwiminyaka yoo-1970 noo-1980, ngokuqhubela phambili iteknoloji ye-resin yokwenziwa kunye nobuchwepheshe bokugquma, inkqubo yemveliso ye-PPGI yayiphuculwa rhoqo, ukunamathela, ukumelana nokugqwala kunye nokumelana nemozulu kwengubo kwaphuculwa kakhulu, kwaye imibala eyahlukeneyo kunye nobume bengubo babonakala kwimarike ukuhlangabezana neemfuno zabantu ngabanye zabathengi abahlukeneyo. Ngeli xesha, i-PPGI yaqala ukusetyenziswa kakhulu kwiukwakha uphahla kunye neendonga, iba yinxalenye ebalulekileyo yoyilo lwezakhiwo lwanamhlanje.
Emva kokungena kwinkulungwane yama-21, ukukhuthazwa kolwazi ngendalo kwihlabathi jikelele kuye kwabangela ukuba ishishini lokupenda liphuhlise kwicala lokukhusela okuluhlaza kunye nokusingqongileyo. Abavelisi abaninzi baqala ukusebenzisa izinto zokugquma ezisekelwe emanzini kunye nezinto zokugquma ezingaphiliyo ukunciphisa impembelelo yazo kwindalo. Olu tshintsho aluphuculi nje kuphela ukhuseleko lwe-PPGI, kodwa lukwenza kube nokukhuphisana ngakumbi kwimarike. Ngeli xesha, intsimi yokusetyenziswa kwe-PPGI yandiswa ngakumbi ukuze ibandakanye amashishini amaninzi afana nezixhobo zasekhaya kunye nezinto zangaphakathi zeemoto, nto leyo ebonisa ukugqwesa kwayo kwiintlobo ngeentlobo kunye nokuziqhelanisa.
Ngenxa yenkqubela phambili eqhubekayo yesayensi netekhnoloji, amathuba ophuhliso lwexesha elizayo lwe-PPGI abanzi. Ukwaziswa kwezixhobo ezintsha kunye netekhnoloji kuya kutyhala i-PPGI ekusebenzeni okuphezulu kunye nophuhliso olunobuhlobo nokusingqongileyo. Ngokugxininisa ngakumbi kwizakhiwo ezizinzileyo kunye noyilo oluluhlaza, kulindeleke ukuba i-PPGI idlale indima enkulu kwezi ndawo.
Ukushwankathela,Imiqulu enemibala yePPGIziye zaba zizinto eziyimfuneko kakhulu kushishino lwanamhlanje ngenxa yeempawu zazo ezibonakalayo ezintle kunye nenkangeleko entle. Ngokuqhubeka kweteknoloji kunye notshintsho kwimfuno yemarike, ukusetyenziswa kwePPGI kuya kuqhubeka nokukhula, kuzisa amathuba amaninzi kuzo zonke iinkalo zobomi.
IQELA LASEBUKHOSINI
Idilesi
Indawo yophuhliso lweshishini laseKangsheng,
Isithili saseWuqing, isixeko saseTianjin, eTshayina.
I-imeyile
Amaxesha okusebenza
UMvulo-NgeCawa: Inkonzo yeeyure ezingama-24
Ixesha lokuthumela: Okthobha-12-2024