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Te Aranga Hou o te Hangarau N-Nitroamine: He Tikanga Hou Whai Hua e Huri Ana i te Hanganga Rongoā
I whakaputaina mana i roto i te hautaka mātauranga o te ao, Nature, i te tīmatanga o Noema 2025, he whakatutukitanga pūtaiao hou i roto i te hangarau tango matū tino whai hua, i whakawhanakehia e tētahi kamupene rauemi hou kei Heilongjiang, Haina. I whakanuia hei whanaketanga o te ao i roto i ngā rongoā...Pānuihia atu -
Ko te Whakateretere i te Hokohoko o te BDO e hangai ana ki te Koiora ka huri i te Mākete Rauemi Mata Polyurethane 100-Piriona-Yuan
Nō nā tata nei, ko ngā whanaketanga hangarau me te whakawhānui i te kaha o te 1,4-butanediol (BDO) e ahu mai ana i te koiora kua noho hei tetahi o ngā au tino rongonui i roto i te umanga matū o te ao. Ko te BDO he rauemi mata matua mō te whakaputa i ngā elastomers polyurethane (PU), te Spandex, me te PBT kirihou pirau-koiora, me ōna tikanga tuku iho...Pānuihia atu -
Ka hurihia e te hangarau whakatika ngota te tukanga tawhito o te rautau, ka whakaoho te hangarau tango matū tika o te amine kakara i te huringa mekameka ahumahi
Te Painga Matua I te 28 o Oketopa, i whakaputaina te hangarau whakakorenga tika mō ngā amine kakara i whakawhanakehia e te tīma a Zhang Xiaheng mai i te Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences (HIAS, UCAS) i roto i te Nature. Ka whakatauhia e tēnei hangarau te...Pānuihia atu -
He Huarahi Hou ki te Huri i te Para hei Taonga! Ka Hurihia e ngā Kairangahau Hainamana te Kirihou Para hei Formamide Utu Nui mā te Māngai i te Rā
Ihirangi Matua I whakaputahia e tētahi rōpū rangahau mai i te Chinese Academy of Sciences (CAS) ā rātou kitenga ki Angewandte Chemie International Edition, e whakawhanake ana i tētahi hangarau whakaahua-whakakorikori hou. Ka whakamahia e tēnei hangarau he whakaahua-whakakorikori Pt₁Au/TiO₂ hei whakahohe i tētahi tauhohenga hononga CN i waenga i te ethylene glycol (e whiwhi ana...Pānuihia atu -
Ka Huihui a Haina i ngā Hinonga Ahumahi PTA/PET ki te Whakatika i te Raruraru o te Rahi Rawa
I te 27 o Oketopa, i huihui te Manatū Ahumahi me te Hangarau Mōhiohio o Haina (MIIT) i ngā kaihanga nui o te Waikawa Terephthalic Parakore (PTA) me ngā maramara PET mō tētahi kōrero motuhake mō te take o te "rahi rawa o te kaha o roto i te ahumahi me te whakataetae kaha". Ko ēnei...Pānuihia atu -
I tukuna e te US te "Ārai Whakamutunga" mō ngā Hua Kaihoko kei roto ko te Methylene Chloride, e akiaki ana i te umanga matū ki te whakatere i te rapunga whakakapinga
Ihirangi Matua Kua mana te ture whakamutunga i whakaputaina e te Tari Tiaki Taiao o Amerika (EPA) i raro i te Ture Whakahaere Matū Paitini (TSCA). E ārai ana tēnei ture i te whakamahinga o te methylene chloride i roto i ngā hua kaihoko pēnei i ngā mīhini tango peita, ā, e whakatakoto ana i ngā here tino kaha ki runga i ōna...Pānuihia atu -
Rohe Hangarau Glutaraldehyde: He Huarahi Hou i roto i te Hangarau Ārai-Whakapūmau
I roto i te mara o ngā whakaurunga cardiovascular, kua roa te whakamahinga o te glutaraldehyde hei rongoā i ngā kiko kararehe (pērā i te pericardium kau) hei hanga i ngā takirere bioprosthetic. Heoi, ko ngā rōpū aldehyde kore utu toenga mai i ngā tukanga tuku iho ka arahi ki te whakapūmautanga i muri i te whakaurunga, ka whakararu i te t...Pānuihia atu -
Mākete Dimethyl Sulfoxide (DMSO): Tirohanga Whānui me ngā Whanaketanga Hangarau Hou
Tirohanga Whānui ki te Mākete Ahumahi Ko te Dimethyl Sulfoxide (DMSO) he whakarewa rauropi nui e whakamahia whānuitia ana i roto i ngā rongoā, ngā hikohiko, ngā matū hinu, me ētahi atu mara. Kei raro nei he whakarāpopototanga o tōna āhua mākete: Taonga Ngā Whanaketanga Hou Rahi o te Mākete Ao Ko te rahi o te mākete ao tata ki te $...Pānuihia atu -
Kua whakatakotohia e te Hononga o Amerika he taake taumaha ki runga i ngā MDI Hainamana, me ngā reiti taake tuatahi mō tētahi kamupene nui o Haina kua whakaritea kia 376%-511%. E matapaetia ana ka pā tēnei ki te mimiti o te mākete kaweake...
I whakapuakina e te US ngā hua tuatahi o tana rangahau ārai-tuku i te MDI i ahu mai i Haina, me ngā reiti taripa tino teitei i miharo ai te umanga matū katoa. I whakatauhia e te Tari Tauhokohoko o Amerika i hokona e ngā kaihanga me ngā kaweake MDI Hainamana ā rātou hua i roto i te ...Pānuihia atu -
N-Methylpyrrolidone (NMP): Ngā Ture Taiao Kaha Ake e Whakaoho ana i te R&D o ngā Huarahi Rerekē me te Auahatanga Whakamahinga o te NMP i roto i ngā Rāngai Utu-teitei
I. Ngā Auahatanga Matua o te Ahumahi: Ngā Ture me te Huringa o te Mākete I tēnei wā, ko te auahatanga tino whānui e pā ana ki te umanga NMP i ahu mai i te tirotiro ture ā-ao. 1. Ngā Here i raro i te Ture REACH a te EU Kua whakaurua mana te NMP ki roto i te Rārangi Kaitono o ngā Matū Tino...Pānuihia atu
