2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Oxidation ntawm naphthalene ntawm Co-Mo−O, NiMoO4 thiab Mg-Mo−O catalysts muab phthalic anhydride, nws cov txiaj ntsig siab tshaj plaws yog kwv yees li 40% ntawm nickel molybdate. Ntawm bismuth molybdates thiab Sn-Sb-O system, naphthalene feem ntau yog oxidized rau carbon oxides.
Dab tsi yog cov khoom oxidation ntawm naphthalene?
Cov tshuaj tiv thaiv thawj zaug hauv oxidation ntawm naphthalene los ntawm Pseudomonas sp. NCIB 9816 involve the enzymatic incorporation of one molecule of oxygen into the aromatic nucleus to form (+)-cis-(1R, 2S)-dihydroxy-1, 2-dihydronaphthalene.
Vim li cas naphthalene reactive rau KMnO4?
oxidises ob daim ntawv cog lus. Kev tsim ntawm dicarboxylic acid tshwm sim thaum lub sij hawm oxidation ntawm naphthalene nrog KMnO4 nyob rau hauv acidic mob. thiab ob pawg carboxylic acid tau txuas nrog. Cov compound tsim yog hu ua Phthalic acid.
YKoj ua phthalic acid los ntawm naphthalene li cas?
Production. Phthalic acid yog tsim los ntawm cov catalytic oxidation ntawm naphthalene lossis ortho-xylene ncaj qha rau phthalic anhydride thiab tom qab hydrolysis ntawm anhydride. Phthalic acid yog thawj zaug tau los ntawm Fabkis chemist Auguste Laurent xyoo 1836 los ntawm oxidizing naphthalene tetrachloride.
Nws yog oxidized nyob rau hauv lub xub ntiag ntawm v2o2 kom tau phthalic anhydride?
V2O5/TiO2 yog ib qho tseem ceeb catalyst rau ib nrab oxidation ntawm o-xylene rau phthalic anhydride. Qhov kev xaiv oxidation no heevtxheej txheem exothermic thiab cov txiaj ntsig ntawm cov khoom muaj zog nyob ntawm kev ruaj ntseg thiab kev ua haujlwm ntawm catalyst.
Pom zoo:
Yuav muab lossis muab?
Giving vs Given Giving yog lub sijhawm tam sim no ntawm kev muab whereas muab yog yav dhau los kev koom tes ntawm muab. Kev pub yog ib txoj kev siab dawb siab zoo los yog kev ua siab dawb xwb hos qhov muab kuj sawv cev rau kev nyiam los yog ua raws li.
Los ntawm cov khoom ntawm naphthalene?
Cov khoom siv loj tshaj plaws ua los ntawm naphthalene yog npauj tshuaj tua kab , nyob rau hauv daim ntawv ntawm mothballs los yog crystals, thiab chav dej deodorant blocks. Nws kuj yog siv los ua dyes, resins, tawv tanning agents, thiab cov tshuaj tua kab carbaryl carbaryl Carbaryl (1-naphthyl methylcarbamate) yog ib tug tshuaj nyob rau hauv carbamate tsev neeg siv chiefly ua tshuaj tua kab.
Vim li cas qhov loj ntawm cov pob naphthalene txo yog tias nws khaws cia hauv qhov qhib?
Kev daws: Qhov loj ntawm cov pob naphthalene txo qis thaum qhib qhib vim sublimation. Vim li cas cov pob naphthalene ua me me thaum qhib? Thaum cov pob naphthalene qhib, vim sublimation lawv hloov mus rau vapors thiab lawv qhov loj me me.
Puas tuaj yeem muab amiodarone muab tso rau hauv?
Amiodarone tuaj yeem tswj hwm los ntawm tso rau hauv txoj hauv kev lossis txoj hauv kev. YYuav muab amiodarone io? Nyob rau hauv cov neeg laus, amiodarone tuaj yeem muab tau rau VT / VF lub plawv nres ntawm cov hlab ntsha (IV) / intraosseous (IO) infusion li 300 mg sai bolus ua raws li qhov ntxiv bolus ntawm 150 mg IV / IO yog tias VT lossis VF txuas ntxiv mus.
Puas muab muab tso rau yaj lossis txav chaw?
Thaum nws muaj peev xwm ua tau rau cov neeg ua haujlwm tsiv teb tsaws chaw, qhov kev mob tshwm sim no tsis tshua muaj thiab tuaj yeem zam tau los ntawm kev xaiv tus neeg txhaj tshuaj tsim nyog. Txawm hais tias kev tsiv teb tsaws chaw yog qhov tsis tshua muaj heev, nws yuav muaj peev xwm nce ntxiv thaum cov khoom ua tiav los ntawm tus neeg tsis muaj kev paub lossis tsis muaj peev xwm txhaj tshuaj.
