Kev lag luam
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Los ntawm cobalt mus rau tungsten: yuav ua li cas hluav taws xob tsheb thiab cov xov tooj smartphones ua rau muaj kev kub ntxhov tshiab
Dab tsi hauv koj cov khoom? Peb feem coob tsis xav txog cov ntaub ntawv uas ua rau lub neej niaj hnub ua tau. Txawm li cas los xij, cov thev naus laus zis xws li cov xov tooj ntse, tsheb fais fab, TVs loj thiab lub zog ntsuab yog nyob ntawm ntau yam tshuaj uas tib neeg tsis tau hnov txog. Txog thaum kawg...Nyeem ntxiv -
Molybdenum thiab tungsten hauv sapphire siv lead ua kev loj hlob kev lag luam
Sapphire yog ib qho nyuaj, hnav resistant thiab muaj zog cov ntaub ntawv uas muaj ib tug siab melting kub, nws yog chemically dav inert, thiab nws qhia tau hais tias nthuav optical zog. Yog li ntawd, sapphire yog siv rau ntau yam kev siv thev naus laus zis uas cov chaw lag luam tseem ceeb yog optics thiab hluav taws xob. Hnub no lub ...Nyeem ntxiv -
Tungsten-fiber-reinforced tungsten
Tungsten yog tshwj xeeb tshaj yog haum rau cov khoom siv rau kev ntxhov siab heev ntawm cov hlab ntsha uas kaw qhov kub fusion plasma, nws yog cov hlau nrog qhov siab tshaj plaws melting point. Ib qho tsis zoo, txawm li cas los xij, yog nws cov brittleness, uas nyob rau hauv kev ntxhov siab ua rau nws tsis yooj yim thiab pheej ua kom puas. Ib tug tshiab, ntau resilient com ...Nyeem ntxiv -
Pab neeg tsim kho sai, pheej yig txoj kev los ua supercapacitor electrodes rau lub tsheb fais fab, lasers siab
Supercapacitors yog hom khoom siv uas muaj npe zoo uas tuaj yeem khaws thiab xa tawm lub zog sai dua li cov roj teeb li qub. Lawv nyob rau hauv kev thov siab rau cov ntawv thov suav nrog lub tsheb hluav taws xob, kev sib txuas lus wireless thiab lasers siab. Tab sis kom paub cov ntawv thov no, supercapacitors yuav tsum tau ...Nyeem ntxiv -
Tuam Tshoj Tungsten Concentrate Kev Lag Luam Hauv Kev Nyuaj Siab ntawm Lukewarm Demand
Tuam Tshoj tungsten concentrate kev lag luam tau nyob rau hauv lub siab txij li thaum lub Kaum Hli Ntuj lig vim qhov kev thov tsis txaus los ntawm cov neeg siv khoom kawg tom qab cov neeg siv khoom rov qab los ntawm kev ua lag luam. Concentrate cov neeg muag khoom txiav lawv cov nqi muab los txhawb kev yuav khoom hauv lub ntsej muag ntawm kev lag luam tsis muaj zog. Suav tungsten nqi yog e...Nyeem ntxiv -
Tungsten li interstellar radiation shielding?
Qhov kub ntawm 5900 degrees Celsius thiab pob zeb diamond zoo li hardness ua ke nrog cov pa roj carbon: tungsten yog cov hlau hnyav tshaj plaws, tseem muaj cov khoom siv roj ntsha-tshwj xeeb tshaj yog cov kab mob uas muaj cua sov. Ib pab neeg coj los ntawm Tetyana Milojevic los ntawm Kws Qhia Ntawv ntawm Chemistry ntawm University of Vienna qhia rau ...Nyeem ntxiv -
Tungsten suboxide txhim kho kev ua haujlwm ntawm platinum hauv hydrogen ntau lawm
Cov kws tshawb fawb tau nthuav tawm lub tswv yim tshiab rau kev txhim kho cov kev ua haujlwm catalytic siv tungsten suboxide ua ib qho atom catalyst (SAC). Lub tswv yim no, uas txhim kho cov tshuaj tiv thaiv hydrogen evolution (HER) hauv cov hlau platinum (pt) los ntawm 16.3 zaug, ua rau lub teeb pom kev ntawm kev tsim hluav taws xob tshiab ...Nyeem ntxiv -
Tuam Tshoj APT Nqe ruaj khov vim yog kev lag luam nyias
Tus nqi ntawm ferro tungsten thiab ammonium metatungstate (APT) hauv Suav teb tsis hloov pauv los ntawm hnub ua lag luam dhau los. Cov tuam txhab lag luam raw khoom tsis kam muag lawv cov khoom thaum cov neeg siv khoom lag luam tseem tsis tau ua haujlwm hauv kev nug. Kev cuam tshuam los ntawm kev tiv thaiv ib puag ncig, nce nqi mining, ...Nyeem ntxiv -
Lub Tungsten Powder Market tseem tsis muaj zog nyob rau hauv Wake of Unclear Outlook
Tus qauv ntawm Suav tungsten tus nqi tseem nyob ntawm kev sib raug zoo ntawm cov khoom siv thiab kev thov. Ntawm qhov tod tes, kev rov qab los ntawm qhov kev thov sab tsis ua raws li kev cia siab ntawm kev ua lag luam, cov lag luam downstream nrhiav tus nqi qis dua thiab cov tub lag luam saib xyuas. Nrog cov txiaj ntsig txo qis, tungsten ma...Nyeem ntxiv -
Tungsten Nqe nyob rau hauv Tuam Tshoj tseem tsis muaj zog raws li muab rau lub Kaum Ib Hlis tsis kam
Tus nqi tungsten hauv Suav teb tseem tsis muaj zog hloov pauv hauv lub lis piam xaus rau hnub Friday Lub Kaum Ib Hlis 8, 2019 vim qhov poob qis hauv tungsten tus nqi kwv yees thiab cov kev xav tshiab. Cov neeg muag khoom muaj lub siab xav ua kom ruaj khov rau cov nqi lag luam tam sim no, tab sis kev ua lag luam tsis muaj zog thiab lub davhlau ya nyob twg sab hauv siab. ...Nyeem ntxiv -
Tuam Tshoj tungsten Nqe yog siab txhawb los ntawm Tight Supply ntawm raw khoom
Tuam Tshoj tus nqi tungsten tuav ntawm qhov tseem ceeb ntawm kev txhawb nqa los ntawm kev txhim kho kev lag luam kev ntseeg siab, cov nqi tsim khoom siab thiab nruj cov khoom siv raw. Tab sis qee cov tub lag luam tsis kam ua lag luam ntawm tus nqi siab yam tsis xav tau kev txhawb nqa, thiab yog li kev lag luam tiag tiag raug txwv, teb rau nruj ...Nyeem ntxiv -
Ferro Tungsten Tus nqi hauv Suav teb tau nce siab vim kev txhawb nqa kev lag luam kev ntseeg siab
Cov tungsten hmoov, ammonium metatungstate (APT) thiab ferro tungsten tus nqi hauv Suav teb tau nce siab nyob rau lub limtiam xaus rau hnub Friday Lub Cuaj Hli 27, 2019 ntawm qhov kawg ntawm Fanya Tshuag auction thiab cov nqe lus qhia ruaj khov los ntawm cov tuam txhab tungsten sau npe. Kev txhawb nqa los ntawm kev nruj ntawm cov khoom siv raw thiab siab ...Nyeem ntxiv