Nkhani
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Kwa nthawi yoyamba, BASF ikupereka neopentyl glycol (NPG) ndi propionic acid (PA) yokhala ndi zinthu zopanda carbon footprint (PCF), malinga ndi kampaniyo. Zinthuzi zimapangidwa ku com...
BASF sinakwaniritse PCF iliyonse ya NPG ndi PA kudzera mu njira yake ya Biomass Balance (BMB) pogwiritsa ntchito chakudya chongowonjezedwanso mu dongosolo lake lopangira lophatikizidwa. Ponena za NPG, BASF imagwiritsanso ntchito magwero a mphamvu zongowonjezedwanso popanga. Zogulitsa zatsopanozi ndi ̶...Werengani zambiri -
EPA Ikulimbikitsa Kuletsa Kugwiritsa Ntchito Dichloromethane Kwambiri | Beveridge Diamonds
Bungwe la US Environmental Protection Agency (EPA) lapereka lingaliro loletsa kugwiritsa ntchito pafupifupi dichloromethane yonse, yomwe imadziwikanso kuti dichloromethane, yomwe imagwiritsidwa ntchito kwambiri pokonza zinthu. Kuletsa kumeneku kudzakhudza kwambiri mafakitale ambiri, ndipo pakati pa 100 ndi 2...Werengani zambiri -
Zomwe Zimayambitsa Kuyankha: Klarman Fellow Akupanga Chothandizira Chatsopano
Zochitika za mankhwala zikuchitika mozungulira ife nthawi zonse—zoonekeratu mukaganizira, koma ndi angati a ife amene amachita zimenezi tikayatsa galimoto, kuwiritsa dzira, kapena kuthira feteleza pa udzu wathu? Katswiri wa mankhwala ophera tizilombo Richard Kong wakhala akuganiza za mankhwala...Werengani zambiri -
Woyang'anira EPA Reagan: Letsani methylene chloride yoopsa tsopano!
Cholinga cha Toxic-Free Future ndikupanga tsogolo labwino mwa kulimbikitsa kugwiritsa ntchito zinthu zotetezeka, mankhwala ndi machitidwe kudzera mu kafukufuku wamakono, kulimbikitsa, kukonza magulu ambiri komanso kutenga nawo mbali kwa ogula. Dichloromethane yalumikizidwa ndi thanzi ...Werengani zambiri -
EPA Ikulimbikitsa Kuletsa Kusungunula Kofanana ndi Kukonza Dichloromethane Yowonjezera | Goldberg Seqara
Mu malamulo omwe aperekedwa omwe adasindikizidwa pa Meyi 3, bungwe la US Environmental Protection Agency likupereka lingaliro loletsa kugwiritsa ntchito dichloromethane, yomwe imadziwikanso kuti dichloromethane, yomwe ndi mankhwala othandiza pokonza zinthu. Imagwiritsidwa ntchito m'njira zosiyanasiyana zogulira ndi zamalonda, kuphatikizapo...Werengani zambiri -
Ngozi zoopsa zimafuna njira zina m'malo mwa singano m'ma laboratories a chemistry | Nkhani
Wofufuza wina wa ku France wadziwitsa anthu za kuopsa kwa singano zakuthwa m'ma laboratories pambuyo pa ngozi yoopsa yokhudza kutuluka kwa madzi osungunuka nthawi zonse. Tsopano akupempha kuti pakhale njira zosinthira singano kuti zisamutsire zosungunulira kapena zobwezeretsanso kuti ziwongolere chitetezo cha labotale...Werengani zambiri -
Gulani China PVC Resin Powder Sg-5/sg5 Yogulitsa Kwambiri Nambala Yabwino Kwambiri: 9002-86-2 China Leather Tubes PVC Flooring Supplier PVC Resin ndi Polyvinyl Chloride pa US$0.05.
Utomoni wa PVC ndi chinthu chogwiritsidwa ntchito kwambiri popanga mapulasitiki. Uli ndi kukhazikika kwa mankhwala, kukana dzimbiri komanso kukana madzi. Umasungunuka mu acetone, hydrochloric acid ester, ester ndi mowa wina. Umapereka kusungunuka kwabwino, magetsi abwino ...Werengani zambiri -
Kuzindikira matenda a Alzheimer's koyambirira pogwiritsa ntchito zizindikiro za mkodzo
Zotsatira za kafukufuku wopangidwa ndi gulu lochokera ku Shanghai Jiaotong University zikusonyeza kuti formic acid ndi chizindikiro cha mkodzo chomwe chimatha kuzindikira matenda a Alzheimer's (AD) oyambirira. Zomwe zapezekazi zitha kutsegulira njira yoyezera anthu ambiri motchipa komanso mosavuta. Dr. Yifan Wang, Dr....Werengani zambiri -
Toxic-Free Future yadzipereka pakupanga tsogolo labwino mwa kulimbikitsa kugwiritsa ntchito zinthu zotetezeka, mankhwala, ndi machitidwe kudzera mu kafukufuku wamakono, kulimbikitsa, kukonza mabungwe ambiri, ndi ogula ...
Toxic-Free Future yadzipereka pakupanga tsogolo labwino mwa kulimbikitsa kugwiritsa ntchito zinthu zotetezeka, mankhwala ndi machitidwe kudzera mu kafukufuku wamakono, kulimbikitsa, kukonza magulu ambiri komanso kutenga nawo mbali kwa ogula. Mu Epulo 2023, EPA idapereka lingaliro...Werengani zambiri -
Lingaliro la EPA loletsa dichloromethane
Pa Meyi 3, 2023, EPA idapereka lamulo loyang'anira zoopsa la Gawo 6(a) Toxic Substances Control Act (TSCA) lomwe limapereka zoletsa pakupanga, kutumiza kunja, kukonza, kugawa, ndi kugwiritsa ntchito dichloromethane. solvent yogwiritsidwa ntchito m'mafakitale osiyanasiyana ogula ndi amalonda...Werengani zambiri -
Malinga ndi EPA, dichloromethane imabweretsa chiopsezo "chosafunikira" kwa antchito ena.
WASHINGTON. Dichloromethane imabweretsa chiopsezo "chosafunikira" kwa ogwira ntchito pazochitika zina, ndipo EPA ichitapo kanthu kuti "izindikire ndikugwiritsa ntchito njira zowongolera." Mu chidziwitso cha Federal Register, Environmental P...Werengani zambiri -
Pofika chaka cha 2030, msika wapadziko lonse wa formic acid udzafika pa US$2.4 biliyoni.
Chuma cha dziko lonse chili pamavuto aakulu pomwe mavuto ndi mavuto ambiri amagwirizana. Kusatsimikizika momwe nkhondo ya Russia ndi Ukraine idzachitikire chaka chino, komanso momwe ikukhudzira kukhazikika kwa dziko lapansi, kumatanthauza kuti mavuto okhudzana ndi kukwera kwa mitengo ya zinthu ndi...Werengani zambiri