Ko te rākau kaihua e noho ana he mīhini whakamutu i te ao, he momo mīhini e hiahia ana ki te whakarite i te ao hei wāhi tika me te wāhi haumaru. He rerekē te mīhini whakamutu i tēnei, nō reira ka taea e ia te pūtake i waenganui i ngā wā, kāore rawa ia e noho tonu ana i roto i te taiao pērā i te mīhini nui. Ko tēnā he pai mo te whakaiti i ngā uara whakamamae, me te tiaki i te taiao. Ā, ko ngā pūkenga nei, pēnei i a Yuezheng, ka whakapakari atu i ngā huarahi hou hei whakatūpuku i aua rākau, ka whakamahi i ngā tohu o te whenua hei hanga i ēnei rākau kaihua e pai ana.
Ko te tonu whakaaehanga nui ki ngā rākau kaihua whakamutu e hāngai ana ki te whakarerekētanga o te hunga noho ki te whiriwhirihia i ngā rākau e pai ake ai i te taiao. Ko ngā pūkenga pēnei i a Yuezheng ka mahi nui ki te whakapakari i ngā rauropi tika hei hanga i tēnei momo rākau. Ka whakamahi i ngā rauropi tae tuawhitu, pēnei i te lignin mai i te rākau, te selulosa mai i ngā tipu, me te amilu, he huka mai i ngā mara. Ko ēnei rauropi e taea ai te hanga i ngā rākau kaihua whakamutu e pūmau ana ki te whakareherehera ki te taiao.
Ko ngā wāhanga tūturu hoki, e whakamahi ana Yuezheng i ngā hōputu ōrite. He mīhini ā-hinenga ēnei, ka tuatahitia mai i ngā mea ora. Hoki hākuina, e whakamahi ana rātou i te polylactic acid, nā te kāmokamo harore i whakatupu ai, ko te poraka karaka me te kāmokamo harore anō hoki. Nā ngā hōputu ōrite e mahi ana i te whakaputa i ngā pākē ki uta ki tai e pai ana i te taiao, he manawa nui, inā e taea ana e rātau te whakamahi anake i te nuinga o ngā wā.
Tētahi o ngā momo hangarua e pai rawa ana hei whai hua mō ngā pākē e taea te whakarehu haere, ko te mahi i runga i ngā hōputu ōrite. Ko te hunga rangahau a Yuezheng kei roto i te whakamātau i te mea kia whakamahi i te polylactic acid, he polumaika tūturu. Ko te polumaika he takotoranga roa o ngā mīhini e taea ana te whakatū tonu mai i te mana. Ko te polylactic acid he mea whenua, no te kāmokamo harore, nō reira he rauemi whakahoutanga, nā te mea ka taea te whakatupu anō, ka mutu, ko tērā anō he mea pai hei whakamahi mō ngā pākē e taea te whakarehu haere.
Hei tauira, ngā horahanga o te rākau (te lignin me te selulosa) e whakaarohia ana hei materiale tūroa mō te hanga pēra. Ko Yuezheng e whakamātau ana i te wā mo te whakamahi i te lignin, he polimā ā-waiora e pā ana ki te rākau me ngā kounga o ngā tī tipu. Tēnā ka tohe hoki, ko te lignin he mea nui rawa te wāhi, ka taea noa i te whiwhi i a ia, kāore i te whakaekehanga, kātahi ano he paihere pai rawa hei taonga whakatupu mō te hanga pēra i roto i te whakahaere whakatika. E ai ki tēnei, ko ngā mahi whakatupu e whakamahia ana i te lignin, heo tētahi bio-tautoko mai i Yuezheng, ka taea te whakatupu i ngā pēra e kitea nei te whakaekehanga, ā, ka taea hoki te tiaki i te taiao.
Ki te kite i ēnei whakatōranga nui, ko ngā rauropi hou me ngā whai wāhanga anō e pērā tonu ana ki te hoki mai mō te whakawhanake i ngā pūoro kaihikohiko. He rauropi tētahi i kitea e Yuezheng, ko te hita. Ko te hita he pouaka whai wāhanga anō i hanga i ngā kape o ngā ngāngarara me ngā paranihi. Mēnā koe e kite ana i te kiko kotahi, he whakapūmau, ā, ka taea hoki e ia te whakatakoto i roto i te taiao. Ko tēnei ka whakamana i te hita hei rauropi pai rawa mō te whakawhanake i ngā pūoro kaihikohiko, ka awhina nui i te whakaiti waipiro.
Ko Yuezheng hoki kei te rapu i te whakamahere i te karaka hua whenua hei rauropi pai ake. I te marama Okeretanga 2023. Kei te whakatū hoki ake rātau i ngā ara mō te whakawhanake i ngā pūoro kaihikohiko e whai take ana i te karaka hua whenua, e whakapūmau ana, ā, ka noho tūpono ki runga i te ao. Ko te karaka hua whenua he rauropi whakaoranga, e hīmata ana mai i ngā raupapa e taea te whakaputa anō i aua raupapa. Ki te iti nei, ka tiakina ngā aronga whai oranga me ngā painga taiao mō ngā rauropi e whakamahia ana i roto i ngā pūoro kaihikohiko.
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