Tindzaba
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Kungena kwemdlwane ngendlela lensha kungasita njani kusindzisa tinyosi .
Rayna Singhvi Jain uyagula ngetinyosi. Buhlungu lobukhulu emlenteni wakhe bamvimbela kutsi asebente emaviki lamanyenti. Kepha loko akukamvimbi somabhizinisi wetenhlalakahle loneminyaka lengu-20 budzala emsebentini wakhe wekusindzisa letilwane letibalulekile letifaka imvubelo, letinebantfu laba...Fundza kabanti -
I-EPA Iphakamisa Kuvinjelwa Kwetinhlayiya Letivamile Nekucubungula I-Dichloromethane I-Goldberg Segara
Emitsetfweni lephakanyisiwe leyashicilelwa ngaMay 3, i-EPA iphakamise kuvimbela kusetjentiswa lokunyenti kwe-dichloromethane, lephindze yatiwe ngekutsi yi-dichloromethane, sicibilikisi lesivamile kanye nelusito lwekucubungula. Isetjentiswa etincenyeni letehlukahlukene tebatsengisi kanye netekutsengisa, kufaka ekhatsi kunamatsela kanye ne-sealants, imoto ...Fundza kabanti -
Tindlela te-esidi-base (SAB) letilandzelanako endzaweni lesemkhatsini wetinkhanyeti: kuvela kwe-cis-formic acid emafini lamnyama emamolekhyuli
Emazinga labonwako e-COM isomers ku-ISM aniketa lwati lolubalulekile mayelana nekhemikhali kanye ne-physics yemagesi futsi, ekugcineni, umlandvo wemafu emamolekhyuli. Lokucuketfwe yi-c-HCOOH acid ku-core lebandzako ngu-6% kuphela wekucuketfwe kwe...Fundza kabanti -
I-EPA kutsi iphakamise kuvinjelwa kwekusetjentiswa lokunyenti kwe-dichloromethane ngaphasi kweSigaba 6(a) se-TSCA | Bergeson kanye neCampbell, i-PC
Ngenyanga yeNdlovana mhla tinge-20, 2023, i-Ejensi Yekuvikela Imvelo yase-US (i-EPA) yamemetela kukhishwa kwemtsetfo lohlongotwako ngaphasi kweSigaba 6(a) seMtsetfo Wekulawula Tintfo Letinebuthi (i-TSCA) lovimbela kusetjentiswa lokunyenti kwe-methylene chloride. I-EPA yasho kutsi kuhlolwa kwayo kwebungoti lokungakacinisekiswa...Fundza kabanti -
Ekugcineni, i-EPA iphakamisa kuvimbela kusetjentiswa lokunyenti kwe-dichloromethane.
I-Toxic-Free Future itimisele kukhutsata kusetjentiswa kwemikhicito lephephile, emakhemikhali kanye netindlela tekusebenta telikusasa lelinemphilo ngekusebentisa lucwaningo loluhamba embili, kugcugcutela, kuhlela bantfu labaphansi kanye nekubandzakanyeka kwebatsengisi. Kusukela ngabo-1980, kuchayeka ku-methylen...Fundza kabanti -
Kucala Kwekuphendvula: Bacwaningi BaseKlarman Batfutfukisa Sikhutsati Lesisha
Kusebenta kwemakhemikhali kwenteka yonkhe indzawo lesitungeletile ngaso sonkhe sikhatsi—kusobala nawucabanga ngako, kodvwa bangakhi kitsi labakwenta loko nasivula imoto, sibilisa licandza nobe sivundisa tjani betfu? Ingcweti lekukhutsata emakhemikhali Richard Kong bekacabanga ngemakhemikhali...Fundza kabanti -
Imvume ye-EPA yemtsetfo lohlongotwako yaniketwa ngaphasi kweMtsetfo Wekulawula Tintfo Letinebuthi (i-TSCA)
Ngenyanga yeNkhwenkhweti mhla tinge-3, 2023, i-EPA yashicilela umtsetfo lohlongotwako kuRejista Yembuso wekuvimbela kusetjentiswa lokunyenti kwe-methylene chloride. , futsi i-dichloromethane yikhemikhali yesibili ingoti yayo ilawulwa ngaphansi kwenchubo yekugucula leyakhiwa nguFrank R. Lautenberg. 21...Fundza kabanti -
Sifo se-Alzheimer: i-biomarker yemchamo iniketa kutfolakala kusenesikhatsi
Kute umutsi wesifo se-Alzheimer, kodvwa bososayensi bahlale bahlola tindlela tekwelapha timphawu talesifo. Bacwaningi baphindze basebente ekutfoleni kusenesikhatsi sifo sengcondvo lesihambisana nesifo se-Alzheimer, njengobe kusenesikhatsi...Fundza kabanti -
Sine squash yekuwa njengemhlobiso etafuleni lekudlela le maple lefakwe umfanekiso lefakwe emafutsa kuphela nge oyili ye linseed, lesiyifaka njalo. Lelitsanga lavuza futsi lashiya libala. Ingabe ikhona yini indlela yekulahla o...
Q: Sine squash yekuwa njengemhlobiso etafuleni lekudlela le maple lefakwe umfanekiso lefakwe emafutsa kuphela nge oyili ye linseed, lesiyifaka njalo. Lelitsanga lavuza futsi lashiya libala. Ikhona yini indlela yekuyisusa? A: Kunetindlela letehlukahlukene tekususa...Fundza kabanti -
I-BASF: i-NPG ne-PA lete umnyakato wekhabhoni
Kwekucala ngca, i-BASF iniketa i-neopentyl glycol (i-NPG) kanye ne-propionic acid (i-PA) lenemnyakato we-zero-carbon kusuka e-cradle-kuya-esangweni (i-PCF), ngekuya kwenkampani. I-BASF ifinyelele ku-zero PCF ye-NPG ne-PA ngendlela yayo yeBhalansi Yetilwane (i-BMB) lesondzela kitsi...Fundza kabanti -
Tindlela te-esidi-base (SAB) letilandzelanako endzaweni lesemkhatsini wetinkhanyeti: kuvela kwe-cis-formic acid emafini lamnyama emamolekhyuli
Emazinga labonwako e-COM isomers ku-ISM aniketa lwati lolubalulekile mayelana nekhemikhali kanye ne-physics yemagesi futsi, ekugcineni, umlandvo wemafu emamolekhyuli. Lokucuketfwe yi-c-HCOOH acid ku-core lebandzako ngu-6% kuphela wekucuketfwe kwe...Fundza kabanti -
Umphatsi We-Ejensi Yekuvikela Imvelo Ronald Reagan: Vimbela I-Methylene Chloride Lebulalako Nyalo!
I-Toxic-Free Future itimisele kukhutsata kusetjentiswa kwemikhicito lephephile, emakhemikhali kanye netindlela tekusebenta telikusasa lelinemphilo ngekusebentisa lucwaningo loluhamba embili, kugcugcutela, kuhlela bantfu labaphansi kanye nekubandzakanyeka kwebatsengisi. I-Dichloromethane ihlobene naye...Fundza kabanti