Xov xwm
-
Muaj qee qhov kev txhim kho hauv kev lag luam hauv kev lag luam dichloromethane
Qhov chaw ua lag luam hauv kev lag luam dichloromethane tau zoo dua qee yam tom qab tus nqi poob rau qib kev puas siab puas ntsws ntawm kev ua lag luam, thiab ua ke nrog kev rov qab me ntsis ntawm cov nqi ntawm qee lub tuam txhab, muaj qee qhov xwm txheej ntawm kev khaws cia los ntawm cov tub lag luam thiab cov neeg ua lag luam hauv qab. Lub...Nyeem ntxiv -
Tus nqi ua lag luam ntawm cov baking soda tau poob qis qhov chaw ua lag luam hauv kev ua lag luam qeeb qeeb
Tus nqi ua lag luam ntawm cov dej qab zib ci tau poob qis, thiab huab cua kev lag luam hauv kev ua lag luam qeeb qeeb. Qee cov khoom siv tau txo qis kev saib xyuas, thiab tag nrho cov kev ua haujlwm ntawm kev lag luam tam sim no yog kwv yees li 80%, qis dua me ntsis dua li lub lim tiam dhau los. Hauv cov nqe lus ntawm lub caij ntuj no desulfurization, kev siv ...Nyeem ntxiv -
Kev lag luam melamine ruaj khov thiab kev hloov kho me me
Kev ua lag luam melamine tseem ruaj khov nrog kev hloov kho me me, thiab feem ntau cov tuam txhab tab tom ua cov xaj ua ntej, ua rau muaj kev nyuaj siab rau cov khoom muag. Cov khoom siv raw urea hloov pauv, thiab tseem muaj qee qhov kev txhawb nqa tus nqi, tab sis kev txhawb nqa yog txwv. Tsis tas li ntawd, cov xaj tshiab hauv ...Nyeem ntxiv -
Kev ua lag luam melamine ua haujlwm tas li
Kev ua lag luam melamine tseem ua haujlwm tas li. Cov chaw tsim khoom tseem muab qhov tseem ceeb rau kev ua tiav cov xaj uas tseem tab tom tos, nrog rau kev nyuaj me ntsis rau kev tsim khoom, kev muag khoom, thiab cov khoom muag, ua rau muaj kev tsis txaus ntawm cov khoom hauv qee thaj tsam. Tam sim no, qhov tsis muaj zog ntawm cov khoom siv raw urea txuas ntxiv mus, thiab qhov kev txhawb nqa ntxiv tsis muaj zog ntxiv...Nyeem ntxiv -
Tus nqi nce ntxiv hauv theem no feem ntau yog txhawb nqa los ntawm kev nce nqi ntawm cov khoom siv raw soda tshauv.
Tus nqi nce ntxiv hauv theem no feem ntau yog txhawb nqa los ntawm kev nce nqi ntawm cov khoom siv raw soda tshauv. Thaum lub Kaum Ib Hlis, qee cov khoom siv hauv kev lag luam raw soda tshauv tau raug txo qis kev saib xyuas, ua rau kev muab khoom lag luam txo qis. Tom qab tus nqi lag luam tsis poob qis, qhov...Nyeem ntxiv -
Kev lag luam melamine hauv tebchaws tau ua haujlwm tas li
Kev Txheeb Xyuas Kev Lag Luam Tsis ntev los no, kev lag luam melamine hauv tebchaws tau ua haujlwm ruaj khov, nrog rau feem ntau cov tuam txhab ua cov xaj tos thiab tsis muaj kev nyuaj siab rau cov khoom muag. Cov cheeb tsam hauv zos tab tom ntsib kev tsis txaus ntawm cov khoom. Cov khoom siv raw urea tseem tsis muaj zog, ua rau cov nqi khoom tsis muaj zog ...Nyeem ntxiv -
Tus nqi lag luam hauv tsev ntawm dichloromethane tseem ruaj khov
Nag hmo, tus nqi lag luam hauv tsev ntawm dichloromethane tseem ruaj khov, thiab qhov chaw ua lag luam tag nrho hauv kev ua lag luam tsis muaj zog. Qhov xwm txheej xa khoom ntawm cov tuam txhab yog qhov nruab nrab, thiab lawv nyob rau theem ntawm kev sau cov khoom muag. Txawm li cas los xij, raws li qhov tseeb tias cov khoom muag tam sim no le...Nyeem ntxiv -
Lub ntsiab lus tseem ceeb ntawm kev ua lag luam melamine yog ruaj khov
Lub ntsiab lus tseem ceeb ntawm kev ua lag luam melamine yog ruaj khov, nrog qee qhov nce me ntsis. Feem ntau cov chaw tsim khoom ua tiav cov xaj tos, nrog rau feem ntau ntawm kev xa khoom tawm, thiab tus nqi ua haujlwm ntawm cov tuam txhab hloov pauv li ntawm 60%, ua rau muaj kev muab khoom tsawg. Thiab cov lag luam downstream feem ntau ua raws li...Nyeem ntxiv -
Tus nqi ntawm dichloromethane tau poob qis thiab rov qab los nrog qee qhov sib txawv hauv cheeb tsam
Tus nqi ntawm dichloromethane tau poob qis thiab rov qab los, nrog rau qee qhov sib txawv hauv cheeb tsam. Thaum tus nqi nce siab, qhov kev lag luam tag nrho qeeb zuj zus, tshwj xeeb tshaj yog nyob rau hauv Shandong thiab thaj chaw ib puag ncig uas cuam tshuam los ntawm huab cua daus hnyav thaum kawg ntawm lub lim tiam dhau los, nrog rau kev txo qis ntawm kev lag luam ...Nyeem ntxiv -
Kev ua lag luam baking soda ua haujlwm ruaj khov, thiab huab cua kev lag luam hauv kev ua lag luam yog lub teeb thiab ruaj khov.
Kev ua lag luam baking soda ua haujlwm ruaj khov, thiab huab cua kev lag luam hauv kev ua lag luam yog lub teeb thiab ruaj khov. Chav ua baking soda Huainan Debang tseem tsis tau pib ua haujlwm, thiab tag nrho cov kev ua haujlwm ntawm kev lag luam tam sim no yog nyob ib puag ncig 81%. Tus nqi ua lag luam ntawm baking soda ua haujlwm ntawm ...Nyeem ntxiv -
Kev ua lag luam melamine ua haujlwm tas li.
Kev ua lag luam melamine ua haujlwm ruaj khov. Cov chaw tsim khoom feem ntau ua cov xaj uas tseem tab tom tos, thiab tag nrho cov khoom muag tsis ntau. Tsis muaj kev hloov pauv tseem ceeb hauv kev ua lag luam downstream, nrog rau kev ua tau zoo tsis sov thiab kev loj hlob ntawm kev thov tsawg. Feem ntau ntawm lawv tseem xav tau kev rov ua dua tshiab ntawm tus tsim khoom ...Nyeem ntxiv -
Cov qauv iridium tshwj xeeb uas tau tsim tshwj xeeb tso rau ntawm mesoporous tantalum oxide txhim kho kev ua haujlwm, kev ua haujlwm catalytic thiab kev ruaj khov mus sij hawm ntev.
Cov qauv iridium nanostructures tshwj xeeb uas tau tso rau ntawm mesoporous tantalum oxide txhim kho kev ua haujlwm, kev ua haujlwm catalytic thiab kev ruaj khov mus sij hawm ntev. Duab: Cov kws tshawb fawb hauv Kaus Lim Qab Teb thiab Tebchaws Meskas tau tsim cov catalyst iridium tshiab nrog kev nce ntxiv ...Nyeem ntxiv