Xov xwm
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Yav tas los siv los ua kom cov npas tawg, helium tam sim no tau dhau los ua ib qho ntawm cov khoom siv tsawg tshaj plaws hauv ntiaj teb. Helium siv tau dab tsi?
Helium yog ib qho ntawm ob peb lub roj uas sib dua li huab cua. Qhov tseem ceeb tshaj, nws ruaj khov heev, tsis muaj xim, tsis muaj ntxhiab thiab tsis muaj teeb meem, yog li nws yog ib qho kev xaiv zoo heev los siv nws los tshuab cov npas uas nws tus kheej ntab. Tam sim no helium feem ntau hu ua "roj av tsis tshua muaj" lossis "roj kub". Helium yog ...Nyeem ntxiv -
Yav Tom Ntej ntawm Kev Rov Qab Los ntawm Helium: Kev Tsim Kho Tshiab thiab Kev Cov Teeb Meem
Helium yog ib qho khoom siv tseem ceeb rau ntau yam lag luam thiab tab tom ntsib teeb meem tsis txaus vim muaj tsawg thiab muaj neeg xav tau ntau. Qhov Tseem Ceeb ntawm Kev Rov Qab Los ntawm Helium Helium yog qhov tseem ceeb rau cov ntawv thov xws li kev thaij duab kho mob thiab kev tshawb fawb txog kev tshawb fawb mus rau kev tsim khoom thiab kev tshawb nrhiav qhov chaw....Nyeem ntxiv -
Cov pa roj uas muaj fluorine yog dab tsi? Cov pa roj tshwj xeeb uas muaj fluorine feem ntau yog dab tsi? Tsab xov xwm no yuav qhia koj
Cov pa roj tshwj xeeb hauv hluav taws xob yog ib ceg tseem ceeb ntawm cov pa roj tshwj xeeb. Lawv nkag mus rau yuav luag txhua qhov txuas ntawm kev tsim khoom semiconductor thiab yog cov khoom siv tseem ceeb rau kev tsim khoom ntawm kev lag luam hluav taws xob xws li cov voj voog sib xyaw ua ke loj heev, cov khoom siv tso saib tiaj tus, thiab lub hnub ci hlwb ...Nyeem ntxiv -
Ammonia ntsuab yog dab tsi?
Nyob rau hauv lub xyoo pua ntev ntawm kev vwm ntawm carbon ncov thiab carbon neutrality, cov teb chaws thoob ntiaj teb tab tom nrhiav rau tiam tom ntej ntawm kev siv tshuab hluav taws xob, thiab ammonia ntsuab tau dhau los ua qhov chaw tsom mus rau thoob ntiaj teb tsis ntev los no. Piv nrog hydrogen, ammonia tab tom nthuav dav los ntawm cov kab lig kev cai tshaj plaws ...Nyeem ntxiv -
Cov Pa roj semiconductor
Hauv cov txheej txheem tsim khoom ntawm cov chaw tsim khoom semiconductor wafer nrog cov txheej txheem tsim khoom siab heev, yuav luag 50 hom roj sib txawv yog qhov xav tau. Cov roj feem ntau muab faib ua cov roj loj thiab cov roj tshwj xeeb. Kev siv cov roj hauv kev lag luam microelectronics thiab semiconductor Kev siv ...Nyeem ntxiv -
Lub luag haujlwm ntawm helium hauv nuclear R & D
Helium ua lub luag haujlwm tseem ceeb hauv kev tshawb fawb thiab kev txhim kho hauv kev sib xyaw ua ke ntawm nuclear. Qhov project ITER hauv Estuary ntawm Rhône hauv Fabkis yog lub chaw sim thermonuclear fusion reactor uas tab tom tsim. Qhov project no yuav tsim kom muaj lub Hoobkas txias kom ntseeg tau tias lub reactor txias. "Kuv...Nyeem ntxiv -
Kev Xav Tau Roj Hluav Taws Xob Yuav Nce Ntxiv Thaum Kev Nthuav Dav ntawm Semi-Fab
Daim ntawv tshaj tawm tshiab los ntawm lub tuam txhab kev sab laj TECHCET kwv yees tias tsib xyoos kev loj hlob txhua xyoo (CAGR) ntawm kev lag luam roj hluav taws xob yuav nce mus txog 6.4%, thiab ceeb toom tias cov roj tseem ceeb xws li diborane thiab tungsten hexafluoride yuav ntsib kev txwv kev muab khoom. Qhov kev kwv yees zoo rau Electronic Ga...Nyeem ntxiv -
Txoj kev siv hluav taws xob tshiab rau kev rho tawm cov pa roj inert los ntawm huab cua
Cov pa roj krypton thiab xenon nyob rau sab xis kawg ntawm lub rooj teev cov pa roj thiab muaj kev siv tau zoo thiab tseem ceeb. Piv txwv li, ob qho tib si siv rau teeb pom kev zoo. Xenon yog qhov muaj txiaj ntsig zoo dua ntawm ob qho tib si, muaj ntau daim ntawv thov hauv kev kho mob thiab kev siv tshuab nuclear. ...Nyeem ntxiv -
Cov txiaj ntsig ntawm cov roj deuterium hauv kev xyaum yog dab tsi?
Qhov laj thawj tseem ceeb uas ua rau cov roj deuterium siv dav hauv cov teb xws li kev tshawb fawb txog kev lag luam thiab kev kho mob yog tias cov roj deuterium hais txog kev sib xyaw ntawm deuterium isotopes thiab hydrogen atoms, qhov twg qhov hnyav ntawm deuterium isotopes yog li ob npaug ntawm cov hydrogen atoms. Nws tau ua lub luag haujlwm tseem ceeb...Nyeem ntxiv -
Kev ua tsov rog ntawm kev txawj ntse ntawm AI, "Kev thov AI chip tawg"
Cov khoom siv kev pabcuam txawj ntse xws li ChatGPT thiab Midjourney tab tom nyiam cov xim ntawm kev ua lag luam. Nyob rau hauv qhov teeb meem no, Korea Artificial Intelligence Industry Association (KAIIA) tau tuav 'Gen-AI Summit 2023' ntawm COEX hauv Samseong-dong, Seoul. Ob hnub...Nyeem ntxiv -
Kev lag luam semiconductor hauv Taiwan tau txais xov xwm zoo, thiab Linde thiab China Steel tau koom ua ke tsim cov roj neon
Raws li Liberty Times No. 28, nyob rau hauv kev sib hais haum ntawm Ministry of Economic Affairs, lub ntiaj teb loj tshaj plaws steelmaker China Iron and Steel Corporation (CSC), Lianhua Xinde Group (Mytac Sintok Group) thiab lub ntiaj teb loj tshaj plaws industrial gas producer Lub teb chaws Yelemees Linde AG yuav teeb tsa ...Nyeem ntxiv -
Tuam Tshoj thawj zaug kev lag luam online ntawm cov pa roj carbon dioxide tau ua tiav ntawm Dalian Petroleum Exchange
Tsis ntev los no, thawj qhov kev lag luam online ntawm cov pa roj carbon dioxide tau ua tiav ntawm Dalian Petroleum Exchange. 1,000 tons ntawm cov pa roj carbon dioxide hauv Daqing Oilfield thaum kawg tau muag ntawm tus nqi siab dua ntawm 210 yuan ib tuj tom qab peb qhov kev twv rau Dalian Petroleum Exchange...Nyeem ntxiv
