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Intuthuko Entsha Ekuguquleni Imfucuza Ibe Yingcebo! Ososayensi BaseShayina Baguqula Imfucuza Ibe Yi-Formamide Enenani Eliphezulu Besebenzisa Ukukhanya Kwelanga
Okuqukethwe Okuyinhloko Ithimba locwaningo elivela e-Chinese Academy of Sciences (CAS) lishicilele okutholakele kwalo ku-Angewandte Chemie International Edition, lakha ubuchwepheshe obusha be-photocatalytic. Lobu buchwepheshe busebenzisa i-photocatalyst ye-Pt₁Au/TiO₂ ukuze kuvunyelwe ukusabela kokuxhuma kwe-CN phakathi kwe-ethylene glycol (okuthola...Funda kabanzi -
I-China Ihlanganisa Amabhizinisi Emboni Ye-PTA/PET Ukuze Abhekane Nenkinga Yomthamo Ongaphezu Kwesilinganiso
Ngomhlaka-27 Okthoba, uMnyango Wezimboni Nobuchwepheshe Bolwazi waseShayina wabiza abakhiqizi abakhulu basekhaya be-Purified Terephthalic Acid (PTA) kanye nama-PET bottle-grade chips ukuze kuxoxwe ngokukhethekile ngendaba "yokusebenzisa ngokweqile ngaphakathi kwemboni kanye nokuncintisana okuqondile". Lokhu...Funda kabanzi -
I-US Ikhipha "Ukuvinjelwa Kokugcina" Emikhiqizweni Yabathengi Equkethe i-Methylene Chloride, Iphoqa Imboni Yamakhemikhali Ukusheshisa Ukusesha Okungena Esikhundleni
Okuqukethwe Okuyinhloko Umthetho wokugcina okhishwe yi-US Environmental Protection Agency (EPA) ngaphansi koMthetho Wokulawula Izinto Ezinobuthi (TSCA) usuqalile ukusebenza ngokusemthethweni. Lo mthetho uvimbela ukusetshenziswa kwe-methylene chloride emikhiqizweni yabathengi efana ne-paint strippers futhi ubeka imikhawulo eqinile ekukhiqizweni kwayo...Funda kabanzi -
I-Glutaraldehyde Technological Frontier: Intuthuko kubuchwepheshe bokulwa ne-Calcification
Emkhakheni wezimila zenhliziyo, i-glutaraldehyde ibilokhu isetshenziswa isikhathi eside ukwelapha izicubu zezilwane (njenge-bovine pericardium) ekukhiqizeni ama-valve e-bioprosthetic. Kodwa-ke, amaqembu e-aldehyde angenayo i-aldehyde asuka ezinqubweni zendabuko angaholela ekufakweni kwe-calcium ngemuva kokufakelwa, okufaka engcupheni...Funda kabanzi -
Imakethe ye-Dimethyl Sulfoxide (DMSO): Ukubuka konke kanye nentuthuko yakamuva yobuchwepheshe
Ukubuka Konke Kwemakethe Yezimboni I-Dimethyl Sulfoxide (DMSO) iyi-solvent ebalulekile yezinto eziphilayo esetshenziswa kabanzi kwezemithi, kuma-elekthronikhi, kuma-petrochemicals, nakweminye imikhakha. Ngezansi isifinyezo sesimo sayo semakethe: Into Intuthuko Yakamuva Usayizi Wemakethe Yomhlaba Wonke Usayizi wemakethe yomhlaba wonke wawucishe ube ngu-$...Funda kabanzi -
I-United States ibeke intela enkulu ku-MDI yaseShayina, kanti amazinga entela yokuqala yenkampani enkulu embonini yaseShayina abekwe phezulu njengo-376%-511%. Lokhu kulindeleke ukuthi kube nomthelela ekumunceni imakethe yokuthumela kwamanye amazwe...
I-US imemezele imiphumela yokuqala yophenyo lwayo lokulwa nokulahla izimpahla ezidayiswayo nge-MDI evela eShayina, kanti amazinga entela aphezulu kakhulu ashaqisa yonke imboni yamakhemikhali. UMnyango Wezohwebo wase-US unqume ukuthi abakhiqizi nabathumeli be-MDI baseShayina bathengise imikhiqizo yabo ...Funda kabanzi -
I-N-Methylpyrrolidone (NMP): Imithethonqubo Eqinile Yezemvelo Ikhuthaza Ucwaningo Nokuthuthukiswa Kwezindlela Ezihlukile Nokusetshenziswa Kokusungula I-NMP Ngokwayo Emikhakheni Esezingeni Eliphezulu
I. Izitayela Zemboni Eziyinhloko: Eziqhutshwa Yimithetho kanye Nokuguqulwa Kwemakethe Njengamanje, umkhuba othinta kakhulu imboni ye-NMP uvela ekuqaphelweni komthetho womhlaba wonke. 1. Imikhawulo ngaphansi koMthethonqubo we-EU REACH NMP ifakwe ngokusemthethweni ohlwini lwabantu abazongenela ukhetho lwezinto...Funda kabanzi -
Ukuhlolwa kokuchayeka emsebenzini ku-4,4′-methylene-bis-(2-chloroaniline) “MOCA” ngendlela entsha ebucayi yokuqapha kwezinto eziphilayo
Indlela entsha yokuhlaziya, ebonakala ngokucaca okuphezulu kanye nokuzwela okunamandla, ithuthukiswe ngempumelelo ukuze kutholakale i-4,4′-methylene-bis-(2-chloroaniline), eyaziwa kakhulu ngokuthi “i-MOCA,” emchameni womuntu. Kubalulekile ukuqaphela ukuthi i-MOCA iyi-ca...Funda kabanzi -
U-Aniline: Intuthuko Yamuva Yemboni
Isimo Semakethe Iphethini Lokuphakelwa Nokufunwa Imakethe ye-aniline yomhlaba wonke isesigabeni sokukhula okuqhubekayo. Kulinganiselwa ukuthi usayizi wemakethe ye-aniline yomhlaba wonke uzofinyelela cishe ku-8.5 billion zamaRandi aseMelika ngo-2025, kanti izinga lokukhula lonyaka elihlanganisiwe (CAGR) lihlala cishe ku-4.2%. I-anilin yaseShayina...Funda kabanzi -
I-Methylene Chloride: Ukuzulazula Esikhathini Sokuguquka Kwamathuba Nezinselele Zombili
I-Methylene Chloride iyisithako esibalulekile sezimboni, futhi ukuthuthukiswa kwayo kwemboni kanye nocwaningo lwesayensi kuyizinto ezidinga ukunakwa okukhulu. Lesi sihloko sizochaza intuthuko yayo yakamuva kusukela ezicini ezine: isakhiwo semakethe, amandla okulawula, izitayela zamanani, kanye nokuvuselelwa kwakamuva kwesayensi...Funda kabanzi
