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N,N-Dimethylaniline DMA CAS 121-69-7
Amadziwikanso kuti dimethylaniline, mafuta osakhala ndi utoto kapena wachikasu wopepuka, fungo losasangalatsa, mumlengalenga kapena pansi pa dzuwa mosavuta kugwiritsa ntchito Ze kukhala yakuya. Kuchulukana (20℃/4℃) 0.9555, malo oundana 2.0℃, malo owira 193℃, malo owunikira (kutsegula) 77℃, malo oyatsira 317℃, kukhuthala (25℃) 1.528 MP...Werengani zambiri -
Mafuta aku Saudi Arabia akuukiridwanso! Mafuta osapangidwa akupita ku $70!
Mafunde amodzi sanasinthe lina lakwera. Nkhani ya kuchepetsedwa kwa OPEC ndi kuphulika kwa mabomba ku Iraq sinachoke, likulu la mafuta ku Saudi Arabia lagundanso! Mwachindunji pamtengo wa $70! Vuto la kukonzanso zinthu ku Dachang lomwe layambitsidwa posachedwapa, mitengo ya zinthu zopangira zinthu zatsopano yasokonekera kwambiri! Iraq itaukiridwa, Saudi Arabia ...Werengani zambiri -
Kugwiritsa ntchito 2-naphthol
2-Naphthol, yomwe imadziwikanso kuti β-naphthol, acetonaphthol kapena 2-hydroxynaphthalene, ndi ma flakes oyera onyezimira kapena ufa woyera. Kuchuluka kwake ndi 1.28g/cm3. Malo osungunuka ndi 123~124℃, malo owira ndi 285~286℃, ndipo malo owunikira ndi 161℃. Imatha kuyaka, ndipo mtundu wake udzakhala wakuda pambuyo pa nthawi yayitali...Werengani zambiri -
chonde khulupirirani kuti ndife akatswiri ndipo fakitale yathu ndi yosamala kwambiri
Ungwiro umapezeka pang'onopang'ono; zimafuna nthawi. Dziko lomwe liyenera kubwera, lomwe liyenera kupita ndi moyo, monga zokumbukira za mibadwo ingapo, Amalume Dahl adachoka kwamuyaya, malingaliro a umbuli wake, malingaliro a zoseketsa zake, mu kuwala ndi mthunzi adzakhala woonda kwambiri padziko lonse lapansi ...Werengani zambiri -
Kukwera kwa mitengo?Mitengo ikukwera!Kutuluka kwa madzi ambiri 1.9 thililiyoni!Zipangizo zopangira mankhwala zikugulitsidwa pamsika!Mukufunanso!Rose!
Mitengo ikukwera! Ndalama zikuchepa! America ikutsogolera dziko lonse kutulutsa madzi! Mitengo ya zinthu ikukwera! Mitengo ya zinthu zopangira yakwera kwambiri, zomwe zikukakamiza katundu wa ogula kukwera mtengo mwachangu! Pamapeto pake, ogula amalipira! Kodi chikwama chanu chili bwino? Wamisala kwambiri! US ikutulutsidwa...Werengani zambiri -
Chenjezo lochoka pano! Ndalama ya dzikolo yagwa, mitengo yakwera, anthu akukana kutaya ndalama zambiri!
Dziko la Turkey lavutika kale ndi kugwa kwa ndalama komanso kukwera kwa mitengo m'zaka ziwiri zapitazi. Mu 2020, mliri watsopano unabweretsa vuto lina ku Turkey, zomwe zinapangitsa kuti lifike pamavuto osatha. Ndalama ya ku Turkey, lira, ikugwa mofulumira kwambiri ndipo ndalama zake zakunja zikutsika kwambiri...Werengani zambiri -
Fakitale yochokera ku China imapereka mankhwala abwino: N,N-dimethyl-p-toluidine
Zogulitsa zabwino zimafunika kudziwitsidwa. Tsopano, kampani yathu ikuyang'ana kwambiri pakuyambitsa zinthu 8 zapamwambazi. Zimagwiritsidwa ntchito makamaka m'makampani opanga mankhwala ndi utoto, ngati mukufuna kundilankhulana nthawi iliyonse kuti mupeze mtengo wabwino kwambiri. Zachidziwikire, ngati mnzanu kapena wina aliyense amene mumamudziwa akufuna zinthu zathu ndipo amalimbikitsa...Werengani zambiri -
Kukwera kwa mitengo ya kugonana kosalamulirika! Mitengo yambiri ya mankhwala ikukwera! Mitengo ya katundu ikukwera!
Tsiku loyamba pambuyo pa tchuthi, mtengo wa zinthu zopangira mankhwala unakwera kwambiri. Anthu ena amati, musadandaule, ndikufuna kudikira, Dikirani kuti ndibwere, mtengo wake unakwera kangapo! Mozengereza, Msika wa mankhwala wamakono, Trance si nthabwala, ndi zoona! Zosalamulirika...Werengani zambiri -
Chizolowezi champhamvu pamsika wa mankhwala chikuyembekezeka kupitilira! Athena
Malo ambiri oyeretsera mafuta atsekedwa! Mafuta osakonzedwa akukwera kufika pamlingo watsopano wa miyezi 13! Pamene nyengo yozizira ikufalikira kum'mwera kwa Texas, boma lonse la Texas lakakamizidwa kuyambitsa kuzimitsa magetsi mozungulira kuti lichepetse kufunikira kwa magetsi ndikupewa "kuzimitsa magetsi koopsa" komwe kungachitike kwa nthawi yayitali. Kufalikira kwa mafuta...Werengani zambiri -
Kuthamanga ndi kuwongolera utoto wosiyanasiyana wa nsalu
. Kusagwira ntchito kwakukulu kwa nsalu zisanu ndi chimodzi 1. Kusagwira ntchito kopepuka Kusagwira ntchito kopepuka kumatanthauza kuchuluka kwa kusintha kwa mtundu wa nsalu zofiirira chifukwa cha kuwala kwa dzuwa. Njira yoyesera ikhoza kukhala kuwonetsedwa padzuwa kapena kuwonetsedwa pa makina a masana. Kuchuluka kwa kutha kwa chitsanzocho pambuyo kuwonetsedwa kumayerekezeredwa ndi chitsanzo cha mtundu wamba. Ndi kusiyana...Werengani zambiri -
Kodi mabokosi angati akusowa? Chidebecho sichili pa mzere wopangira ndipo chatumizidwa mwachindunji ku terminal!
Chidebe "chokhala ndi bokosi n'chovuta kupeza", kotero kuti mabizinesi opanga zidebe adayambitsa kukula kwakukulu, mabizinesi ena a zidebe panthawi ya Chikondwerero cha Masika akuwonjezeranso kupanga kuti akwaniritse maoda. Kuchuluka kwa zidebe kupitirira kufunikira Opanga akupitiliza kulemba ntchito...Werengani zambiri -
Trimethylol amino methane (CAS77-86-1) ya mafakitale osiyanasiyana pogula njira zodzitetezera
1. Trihydroxymethyl aminomethane yoyendetsera kapangidwe ka mafakitale Chifukwa cha kapangidwe kake kosavuta, atomu yapakati ya kaboni ndi kapangidwe ka tetrahedral, yokhala ndi ma hydroxymethyl atatu ndi gulu la amino, lomwe limatha kuchita zinthu zosiyanasiyana zosinthira ndi REDOX reactions, ndi mtundu wa ch...Werengani zambiri
