Xov xwm

  • Thawj qhov kev nthuav qhia offline ntawm 135th Canton Fair

    Thawj qhov kev nthuav qhia offline ntawm 135th Canton Fair

    Lub 135th Canton Fair thawj theem offline exhibition tau tuav txij lub Plaub Hlis 15th txog Plaub Hlis 19th. Raws li ntawm 18th, tag nrho ntawm 120,244 tus neeg yuav khoom txawv teb chaws los ntawm 212 lub teb chaws thiab cheeb tsam tau tuaj koom qhov kev tshwm sim. Tom qab mus xyuas lub exhibition, cov neeg muas zaub tuaj xyuas peb lub Hoobkas. Niaj hnub no, cov neeg siv khoom Indian ...
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  • Daim ntawv thov ntawm mica cua sov caij hauv cov plaub hau tshuab

    Daim ntawv thov ntawm mica cua sov caij hauv cov plaub hau tshuab

    Hauv cov tshuab ziab plaub hau, cov khoom cua sov feem ntau yog cov cua sov mica. Daim ntawv tseem ceeb yog tsim cov hlau tsis kam thiab kho nws ntawm daim ntawv mica. Qhov tseeb, cov hlau tsis kam ua lub luag haujlwm cua sov, thaum daim ntawv mica plays lub luag haujlwm txhawb nqa thiab insulating. Hauv addi...
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  • Hom hluav taws xob cua sov ntsiab

    Hom hluav taws xob cua sov ntsiab

    Hluav taws xob cua sov tuaj nyob rau hauv ntau yam ntaub ntawv thiab configurations hloov mus rau tej kev siv. Hauv qab no yog cov khoom siv hluav taws xob ntau tshaj plaws thiab lawv cov ntawv thov. ...
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  • Cov khoom siv hluav taws xob cua sov

    Cov khoom siv hluav taws xob cua sov

    Thaum cov hluav taws xob tam sim no dhau los, yuav luag tag nrho cov conductors tuaj yeem ua kom sov. Txawm li cas los xij, tsis yog txhua tus conductors yog tsim los ua cov khoom cua sov. Kev sib xyaw kom raug ntawm cov khoom siv hluav taws xob, kev siv tshuab, thiab tshuaj lom neeg yog tsim nyog. Cov hauv qab no yog cov cha...
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  • Lub tshuab hluav taws xob cua sov yog dab tsi?

    Cov khoom siv hluav taws xob cua sov yog cov khoom siv lossis cov khoom siv uas ncaj qha hloov hluav taws xob hluav taws xob mus rau hauv tshav kub lossis thermal zog los ntawm txoj cai ntawm Joule cua sov. Joule tshav kub yog qhov tshwm sim uas tus neeg xyuas pib tsim hluav taws xob vim qhov ntws ntawm hluav taws xob tam sim no. Thaum el...
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