Litaba

Tlhaloso e chesang ea PVC: Ho tsoa ho phaello ea histori, khetho (1)

Phaello e tla ama mokhoa oa boitšoaro oa likhoebo.Joaloka indasteri ea lik'hemik'hale, phaello e fetisetsoa liphetohong tsa theko ka ho ama phepelo e holimo.Ha u hetla morao 'marakeng oa nalane ka mohopolo o tloaelehileng oa "valuation + driver", boleng hangata ke maemo a lekaneng.Boholo ba 'maraka o moholo o hloka ho tsamaisoa.Ha u ahlola tekanyetso, u lokela ho ela hloko mokhoa oa ts'ebetso ea lihlahisoa.Tšusumetso ea karolo ea phepelo ea lehlakore la phepelo ke hore lik'hamphani tse ngata tsa PVC hajoale li na le boleng bo phahameng tlasa tahlehelo.Theko e tlaase karolong ea pele e itšetlehile haholo ka ho khanna ho lekaneng.Ka April, ho na le tebello ea ho fokotsa tlhahiso le ho eketsa tlhokahalo.Ka theko ea hajoale, o ka bapisa chelete e nyane mme o ele hloko lebelo la database nakong e tlang.

1. Boikemisetso ba mohlala oa boitšoaro ba khamphani

Ho ea ka pono ea nalane ea sehlahisoa, mekhahlelo e mene ea ho hlaphoheloa, katleho, ho putlama ha moruo le khatello ea maikutlo hangata e ba teng.Ha sehlahisoa se le nakong ea katleho ea katleho, phaello le bokhoni ba tlhahiso ea boemo bo phahameng ba indasteri bo tla hlahisoa butle-butle.Indasteri e kenelletse ho putlama.Ha phaello e tlaase e bolokiloe ka nako e itseng, e qala ho kena sethaleng sa de-capacity.Boikutlo ba indasteri bo eketsehile butle-butle, 'me sekhahla sa tšebeliso ea matla se eketsehile butle-butle ho fihlela boemong ba ho hlaphoheloa.

Joalo ka indasteri ea mahareng, indasteri ea lik'hemik'hale, ntle le mefuta e 'maloa e nang le lithibelo tsa tekheniki tse thehiloeng indastering ho theha oligopoly, mefuta e mengata e ntse e na le barupeluoa ba bangata (ba bangata ho isa ho ba makholo).phasalatso.Bakeng sa mefuta e akaretsang ea lik'hemik'hale, likhoebo tse holimo li na le tekanyo e kholoanyane, li na le bokhoni bo matla ba ho buisana, li ka laola matsete a tlhahiso ea tlhahiso le phepelo ea 'nete ka phaello ea tsona.Ha re bua ka kakaretso Ha nako ea katleho e fokotseha, butle-butle e felisa lik'hamphani tse nyane tsa tlhahiso ea indasteri.Tlas'a phetoho ea lehlakoreng la phepelo ea 2015-2016 le maano a 2021 a ho se nke lehlakore ha khabone, mefuta e mengata ea lik'hemik'hale tse matla haholo e thibetsoe (joalo ka mela e mecha ea tlhahiso ea mollo oa likhalase e hloka ho ipapisa le matšoao; Tlhahiso e ipapisitse le mokhoa oa ethylene; matla a macha a tlhahiso. ea mokhoa oa alkali aminoine e eketsehile, 'me tlhahiso e latelang e itšetlehile haholo ka mokhoa oa alkali le mokhoa oa tlhaho oa alkali).

Bakeng sa likhoebo tse ngata tsa lik'hemik'hale, lik'hamphani tse holimo le tse tlase li ka fetoloa habonolo ho latela maemo a tsona a phaello.Ka mohlala, lik'hamphani tse ntseng li lahleheloa ke chelete li ntse li ka mamella, empa tahlehelo e tsoelang pele e ka 'na ea etsahala.Maemo a phahameng haholo (joalo ka nako e ts'oanang ea nako e ts'oanang ka nako e ts'oanang).Ka kakaretso, liphetoho mohahong o ka holimo o ama 'maraka oa nako e khutšoanyane,' me liphetoho tsa litlhoko tsa kaho tse tlaase li ama 'maraka oa nako e telele le oa nako e telele (phepelo ea nako e khutšoanyane, tlhokahalo ea nako e telele).Melemo ea indasteri e tsepamisitsoeng holimo e na le phello ea kaho.Ho phaella ho phaello e amang boitšoaro ba lik'hamphani, ho phaella moo, hoa hlokahala ho ela hloko boemo ba tlhokomelo ea nako ea selemo.Bakeng sa lik'hemik'hale tse ngata, bonyane 1-2 indasteri ea tlhokomelo e bohareng (haholo pakeng tsa May le September selemo se seng le se seng).Chelete ea tahlehelo e ka 'na ea feta litebello,' me tlas'a phaello e tsoelang pele, ho ea holimo ho ka fokotsa potoloho ea tlhokomelo.(Hara tsona, ho na le linyeoe tse khethehileng. Mohlala

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Nako ea poso: Mar-29-2023