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Vim li cas feem ntau lub raj mis cawv ua los ntawm iav?
Lub raj mis iav yog ib hom kev ntim khoom rau cov khoom ua kua. Lawv tau siv dav, thiab iav kuj yog cov khoom ntim keeb kwm heev. Tab sis cov iav fwj yog hnyav dua li cov yas, thiab lawv tawg yooj yim. Yog li yog vim li cas cov fwj cawv ua los ntawm iav hauv ...Nyeem ntxiv -
Txoj kev loj hlob ntawm Suav iav
Cov kws tshawb fawb hauv tsev thiab txawv teb chaws muaj kev xav sib txawv ntawm keeb kwm ntawm iav hauv Suav teb. Ib qho yog txoj kev xav ntawm tus kheej tsim, thiab lwm qhov yog txoj kev xav ntawm txawv teb chaws. Raws li qhov sib txawv ntawm cov muaj pes tsawg leeg thiab kev tsim technology ntawm iav los ntawm Western Zhou Dynasty unearthed nyob rau hauv Tuam Tshoj ...Nyeem ntxiv -
Txoj kev loj hlob ntawm iav
Raws li keeb kwm kev loj hlob theem, iav tuaj yeem muab faib ua iav qub, iav tsoos, iav tshiab thiab iav lig. (1) Hauv keeb kwm, iav qub feem ntau yog hais txog lub sijhawm ua qhev. Hauv Suav keeb kwm, iav qub kuj suav nrog feudal haiv neeg. Yog li ntawd, ancient iav general ...Nyeem ntxiv -
iav thiab ceramic sealing
Nrog rau txoj kev loj hlob sai ntawm kev tshawb fawb thiab thev naus laus zis niaj hnub no, cov kev xav tau ntawm cov khoom siv engineering tshiab yog siab dua thiab siab dua hauv cov khoom siv thev naus laus zis xws li kev lag luam hluav taws xob, kev lag luam hluav taws xob nuclear, aerospace thiab kev sib txuas lus niaj hnub. Raws li peb txhua tus paub, cov ntaub ntawv engineering ceramic (al ...Nyeem ntxiv -
iav rau iav sealing
Hauv kev tsim cov khoom nrog cov duab nyuaj thiab cov kev xav tau siab, kev tsim ib zaug ntawm iav tsis tuaj yeem ua tau raws li qhov yuav tsum tau ua. Nws yog ib qho tsim nyog yuav tau txais ntau txoj hau kev los ua kom cov iav thiab iav muab ntim rau hauv cov khoom siv nrog cov duab nyuaj thiab ua tau raws li cov kev cai tshwj xeeb, xws li ...Nyeem ntxiv -
Kev txhim kho keeb kwm ntawm iav ntiaj teb
Xyoo 1994, lub tebchaws United Kingdom pib siv cov ntshav rau iav melting test. Hauv xyoo 2003, Tebchaws Asmeskas Lub Tsev Haujlwm Saib Xyuas Kev Ua Haujlwm ntawm lub zog thiab cov iav kev lag luam tau ua ib qho kev ntsuas me me ntawm cov plasma melting E iav thiab iav fiber ntau, txuag ntau tshaj 40% lub zog. Nyiv n...Nyeem ntxiv -
Txoj Kev Loj Hlob Ntawm iav
Raws li keeb kwm kev loj hlob theem, iav tuaj yeem muab faib ua iav qub, iav tsoos, iav tshiab thiab iav yav tom ntej. (1) Nyob rau hauv keeb kwm ntawm cov iav qub, lub sijhawm qub feem ntau hais txog lub sijhawm ua qhev. Nyob rau hauv keeb kwm ntawm Tuam Tshoj, ancient sij hawm kuj muaj xws li Shijian haiv neeg. Nyob ntawd...Nyeem ntxiv -
Kev ntxuav cov txheej txheem ntawm cov khoom iav
Muaj ntau ntau txoj hauv kev rau kev ntxuav iav, uas tuaj yeem ua tiav raws li kev ntxuav cov kuab tshuaj, cua sov thiab hluav taws xob tu, ultrasonic tu, tshem tawm ntxuav, thiab lwm yam ntawm lawv, hnyav tu thiab cua sov tu yog feem ntau. Kev ntxuav cov kuab tshuaj yog ib txoj hauv kev, uas siv dej ...Nyeem ntxiv -
iav Defect
Optical deformation (pot spot) Optical deformation, tseem hu ua "txawm qhov chaw", yog plaub qhov me me ntawm cov iav. Nws cov duab yog du thiab puag ncig, nrog txoj kab uas hla ntawm 0.06 ~ 0.1mm thiab qhov tob ntawm 0.05mm. Qhov zoo ntawm qhov chaw no ua rau lub qhov muag zoo ntawm iav thiab ma ...Nyeem ntxiv -
Qhov Tsis Zoo Ntawm Cov iav
Cov ntsiab lus los ntawm cov khoom siv raw khoom, kev npaj batch, melting, kev qhia meej, homogenization, txias, tsim thiab txiav txheej txheem, kev puas tsuaj ntawm cov txheej txheem los yog qhov yuam kev ntawm cov txheej txheem ua haujlwm yuav qhia ntau yam tsis xws luag hauv cov phaj qub ntawm cov iav tiaj tus. Qhov tsis xws luag...Nyeem ntxiv
