Xov xwm
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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 ...Nyeem ntxiv -
Daim ntawv thov ntawm mica cua sov caij hauv cov plaub hau tshuab
Hauv cov tshuab plaub hau, cov khoom cua sov feem ntau yog cov cua sov mica. Daim ntawv tseem ceeb yog los 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 thiab insulating. Hauv addi...Nyeem ntxiv -
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. ...Nyeem ntxiv -
Hluav taws xob cua sov cov khoom siv
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 hluav taws xob, khoom siv hluav taws xob, thiab tshuaj lom neeg yog qhov tsim nyog. Cov hauv qab no yog cov cha...Nyeem ntxiv -
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...Nyeem ntxiv
