Xov xwm
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Yuav kho cov iav khawb li cas?
Niaj hnub no, iav tau dhau los ua cov khoom tseem ceeb hauv ntau qhov chaw, thiab txhua tus yuav siv sijhawm ntau thiab nyiaj txiag rau iav. Txawm li cas los xij, thaum lub iav raug khawb, nws yuav tawm cov kab uas nyuaj rau tsis quav ntsej, uas tsis tsuas yog cuam tshuam rau cov tsos, tab sis kuj ua rau lub neej ua haujlwm luv ntawm gl ...Nyeem ntxiv -
Dab tsi yog "zoo heev" ntawm cov iav tshiab ultra-ruaj khov thiab ruaj khov
Thaum Lub Kaum Hli 15th, cov kws tshawb fawb ntawm Chalmers University of Technology hauv Sweden tau ua tiav ib hom tshiab ntawm ultra-ruaj khov thiab ruaj khov iav nrog cov ntaub ntawv muaj peev xwm suav nrog cov tshuaj, cov ntxaij vab tshaus digital thiab hnub ci tshuab thev naus laus zis. Txoj kev tshawb no qhia tau hais tias yuav ua li cas sib tov ntau molecule ...Nyeem ntxiv -
Cov qauv zoo ntawm kev lag luam iav niaj hnub tsis tau hloov pauv
Kev hloov pauv hauv kev xav tau ntawm kev lag luam ib txwm muaj thiab kev ntxhov siab ib puag ncig yog ob qhov teeb meem loj uas tam sim no ntsib kev lag luam iav niaj hnub, thiab txoj haujlwm ntawm kev hloov pauv thiab hloov kho tshiab yog qhov nyuaj. "Nyob ntawm lub rooj sib tham thib ob ntawm Lub Xya Hli 7 ntawm Tuam Tshoj Txhua Hnub iav Association tau tuav ob peb hnub ...Nyeem ntxiv -
Kev paub nrov ntawm cov iav tshuaj
Lub ntsiab muaj pes tsawg leeg ntawm iav yog quartz (silica). Quartz muaj cov dej tsis zoo (uas yog, nws tsis tshua muaj dej). Txawm li cas los xij, vim qhov kub siab melting point (kwv yees li 2000 ° C) thiab tus nqi siab ntawm high-purity silica, nws tsis haum rau kev siv ntau lawm; Ntxiv network modifiers tuaj yeem txo qhov ...Nyeem ntxiv -
Cov iav qhov muag nqi txuas ntxiv nce
Raws li Jubo Cov Ntaub Ntawv, los ntawm 23rd, Shijiazhuang Yujing iav yuav nce tag nrho cov qib tuab los ntawm 1 yuan / hnyav lub thawv raws li 1 yuan / hnyav lub thawv rau txhua qib ntawm 12 hli, thiab 3-5 yuan / hnyav lub thawv rau tag nrho ob -class thickness khoom. . Shahe Hongsheng iav yuav nce 0.2 yua ...Nyeem ntxiv -
Kev lag luam kwv yees: Kev loj hlob ntawm borosilicate iav hauv tshuaj yuav ncav cuag 7.5%
Daim ntawv tshaj tawm "Kev Lag Luam Tshuaj Borosilicate iav" muab kev tshuaj xyuas qhov tob ntawm kev lag luam kev lag luam, macroeconomic indicators and management factor, as well as the market attractiveness of various market segments, thiab piav txog qhov cuam tshuam ntawm ntau yam lag luam yam ntawm kev lag luam segments ...Nyeem ntxiv -
Photovoltaic iav tuaj yeem tsav nthwv dej ntawm kev lag luam dej qab zib
Cov khoom lag luam tau pib muaj qhov sib txawv ntau dua txij li Lub Xya Hli, thiab kev sib kis tau kuj tau txwv tsis pub nce ntau ntau yam, tab sis dej qab zib tshauv ua raws li maj mam. Muaj ob peb qhov teeb meem nyob rau hauv pem hauv ntej ntawm soda tshauv: 1. Cov chaw tsim khoom cov khoom muag tsawg heev, tab sis cov khoom muag zais ntawm cov ...Nyeem ntxiv -
Dab tsi yog high purity quartz? Dab tsi yog siv?
High-purity quartz hais txog quartz xuab zeb nrog SiO2 cov ntsiab lus ntawm 99.92% txog 99.99%, thiab feem ntau xav tau purity siab dua 99.99%. Nws yog cov khoom siv raw rau kev tsim cov khoom lag luam high-end quartz. Vim tias nws cov khoom muaj lub cev zoo thiab tshuaj lom neeg xws li kub kub ...Nyeem ntxiv -
Dab tsi yog cov txheej txheem ua haujlwm rau cov khoom iav?
Cov khoom iav yog cov ntsiab lus dav dav rau cov khoom siv niaj hnub thiab cov khoom lag luam ua tiav los ntawm iav ua cov khoom siv tseem ceeb. Cov khoom iav tau siv dav hauv kev tsim kho, kev kho mob, tshuaj, tsev neeg, hluav taws xob, instrumentation, nuclear engineering thiab lwm yam. Vim lub siab phem...Nyeem ntxiv -
Kev paub nrov ntawm cov iav tshuaj
Lub ntsiab muaj pes tsawg leeg ntawm iav yog quartz (silica). Quartz muaj cov dej tsis zoo (uas yog, nws tsis tshua muaj dej). Txawm li cas los xij, vim qhov kub siab melting point (kwv yees li 2000 ° C) thiab tus nqi siab ntawm high-purity silica, nws tsis haum rau kev siv ntau lawm; Ntxiv network modifiers tuaj yeem txo qhov ...Nyeem ntxiv -
Tus nqi ntawm cov iav fwj tseem nce ntxiv, thiab qee lub tuam txhab cawv tau cuam tshuam
Txij li thaum pib ntawm lub xyoo no, tus nqi ntawm iav tau yuav luag "txav mus rau txhua txoj kev", thiab ntau qhov kev lag luam uas xav tau siab rau iav tau hu ua "tsis muaj peev xwm". Tsis ntev tas los no, qee lub tuam txhab vaj tse tau hais tias vim qhov nce ntawm cov nqi iav ntau dhau, lawv yuav tsum rov qab ...Nyeem ntxiv -
Lub raj mis iav zoo tshaj plaws nyob hauv lub ntiaj teb nyob ntawm no: siv hydrogen ua cov oxidant tsuas yog tso dej vapor
Slovenian iav chaw tsim tshuaj paus Steklarna Hrastnik tau tshaj tawm qhov nws hu ua "lub ntiaj teb lub khob iav zoo tshaj plaws." Nws siv hydrogen hauv kev tsim khoom. Hydrogen tuaj yeem tsim tau ntau yam. Ib qho yog decomposition ntawm dej rau hauv oxygen thiab hydrogen los ntawm ele ...Nyeem ntxiv