Izindaba
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I-EPA izophakamisa ukuvimbela ukusetshenziswa okuningi kwe-dichloromethane ngaphansi kweSigaba 6(a) TSCA | Bergeson & Campbell, PC
Ngo-Ephreli 20, 2023, i-US Environmental Protection Agency (EPA) yamemezela ukukhishwa komthethonqubo ohlongozwayo ngaphansi kweSigaba 6(a) soMthetho Wokulawula Izinto Ezinobuthi (TSCA) ovimbela ukusetshenziswa okuningi kwe-methylene chloride. I-EPA yathi ukuhlolwa kwayo kwengozi okungenabufakazi...Funda kabanzi -
Lawa sawoti awamuncwa kahle ngumzimba, ngaleyo ndlela avimbele ukumuncwa kwamaminerali afanele.
Lawa ma-salts awamuncwa kahle ngumzimba, ngaleyo ndlela avimbele ukumuncwa kwamaminerali afanele. Ukudla okungenamsoco kuvame ukugxekwa ngokubangela ukukhathala okungapheli, kodwa ukudla okunempilo nakho kuye kwasolwa kwezinye izimo. Icala: Ama-Oxalates ...Funda kabanzi -
Amanani e-resin ayaqhubeka nokwehla | ubuchwepheshe bepulasitiki
Lokhu kwehla kulindeleke ukuthi kuqhubeke, ikakhulukazi ngenxa yesidingo esiphansi, izindleko eziphansi zezinto zokusetshenziswa kanye nokunikezwa okwanele. #ukuhlolwa kabusha Kungena kwikota yesine, amanani e-PE, PP, PS, PVC kanye ne-PET aqhubeke nokwehla kusukela ngoJulayi, eqhutshwa ...Funda kabanzi -
Intombi kaMick Jagger eneminyaka engu-36 ubudala ithi lo mculi we-rock oneminyaka engu-79 ubudala “ube ngumthombo” wothando lwakhe lokuqala lwezocansi.
Intombi kaMick Jagger uMelanie Hamrick inesibindi sokubiza lo mculi we-rocker ngokuthi “indoda” eyaphefumulela inoveli yakhe yokuqala yocansi ethi First Position. Lo mdlali we-ballerina uvele ngoLwesithathu ukuzokhangisa incwadi yakhe entsha, futhi ...Funda kabanzi -
Indlela ukungena kwendlu yezidleke ezintsha okungasiza ngayo ekusindiseni izinyosi
URayna Singhvi Jain une-allergy ezinyosini. Ubuhlungu obukhulu emlenzeni wakhe bamvimbela ukuthi asebenze amasonto amaningana. Kodwa lokho akuzange kumvimbe usomabhizinisi wezenhlalo oneminyaka engu-20 ubudala emsebenzini wakhe wokusindisa laba bantu ababalulekile abathutha impova, abanabantu abaningi...Funda kabanzi -
I-EPA Iphakamisa Ukuvinjelwa Kwe-Common Solvent kanye ne-Dichloromethane Processing Additive Goldberg Segara
Emithethweni ephakanyisiwe eyanyatheliswa ngoMeyi 3, i-EPA iphakamise ukuvimbela ukusetshenziswa okuningi kwe-dichloromethane, eyaziwa nangokuthi i-dichloromethane, isithako esivamile sokuxazulula nokucubungula. Isetshenziswa ezinhlotsheni ezahlukahlukene zabathengi nezentengiselwano, kufaka phakathi izinamathiselo kanye nezivikelo, izimoto ...Funda kabanzi -
Izindlela ze-sequential acid-base (SAB) endaweni ephakathi kwezinkanyezi: ukubonakala kwe-cis-formic acid emafwini amnyama ama-molecule
Izilinganiso ezibonwe zama-isomers e-COM ku-ISM zinikeza ulwazi olubalulekile mayelana ne-chemistry kanye ne-physics yamagesi, futhi ekugcineni, umlando wamafu ama-molecule. Okuqukethwe kwe-c-HCOOH acid ku-cold core kungu-6% kuphela wokuqukethwe...Funda kabanzi -
I-EPA izophakamisa ukuvimbela ukusetshenziswa okuningi kwe-dichloromethane ngaphansi kweSigaba 6(a) TSCA | Bergeson & Campbell, PC
Ngo-Ephreli 20, 2023, i-US Environmental Protection Agency (EPA) yamemezela ukukhishwa komthethonqubo ohlongozwayo ngaphansi kweSigaba 6(a) soMthetho Wokulawula Izinto Ezinobuthi (TSCA) ovimbela ukusetshenziswa okuningi kwe-methylene chloride. I-EPA yathi ukuhlolwa kwayo kwengozi okungenabufakazi...Funda kabanzi -
Okokugcina, i-EPA iphakamisa ukuvimbela ukusetshenziswa okuningi kwe-dichloromethane.
I-Toxic-Free Future izibophezele ekukhuthazeni ukusetshenziswa kwemikhiqizo ephephile, amakhemikhali kanye nemikhuba yekusasa elinempilo ngocwaningo olusezingeni eliphezulu, ukumela, ukuhlela umphakathi kanye nokubandakanya abathengi. Kusukela ngawo-1980, ukuchayeka ku-methylen...Funda kabanzi -
Ukuqaliswa Kokusabela: Abacwaningi baseKlarman Bathuthukisa I-Catalyst Entsha
Ukusabela kwamakhemikhali kwenzeka nxazonke zethu ngaso sonke isikhathi—kusobala uma ucabanga ngakho, kodwa bangaki kithi abakwenzayo lapho siqala imoto, sibilisa iqanda, noma sifaka umanyolo etshanini lethu? Isazi se-Chemical Catalysis uRichard Kong ubelokhu ecabanga ngamakhemikhali...Funda kabanzi -
Ukuvunyelwa kwe-EPA komthetho ohlongozwayo kwanikezwa ngaphansi koMthetho Wokulawula Izinto Ezinobuthi (TSCA)
Ngomhlaka-3 Meyi 2023, i-EPA yashicilela umthetho ohlongozwayo ku-Federal Register wokuvimbela ukusetshenziswa okuningi kwe-methylene chloride. , kanti i-dichloromethane iyikhemikhali yesibili enobungozi bayo bulawulwa ngaphansi kwenqubo yokuguqula eyadalwa nguFrank R. Lautenberg. 21...Funda kabanzi -
Isifo sika-Alzheimer: i-biomarker yomchamo inikeza ukutholwa kusenesikhathi
Akukho ukwelashwa kwesifo i-Alzheimer's, kodwa ososayensi bahlola njalo izindlela zokwelapha izimpawu zalesi sifo. Abacwaningi basebenza nasekutholeni kusenesikhathi i-dementia ehlotshaniswa nesifo i-Alzheimer's, njengoba ukutholakala kwasekuqaleni...Funda kabanzi