Xov xwm

Kwv yees li 20% ntawm anthropogenic tsev xog paj emissions los ntawm cov khoom noj khoom haus. Nws tau kwv yees tias ib feem peb ntawm tag nrho cov zaub mov hauv Tebchaws Europe...

Peb zoo siab heev los tshaj tawm tias peb lub tuam txhab tau muaj hmoo tau txais cov neeg siv khoom tseem ceeb los ntawm Saudi Arabia tsis ntev los no. Qhov kev mus ntsib no yog...

Rau kev ua tiav ntawm cov ntawv txhuas ntshiab, qee cov neeg xav tias cov qauv uas lawv xav tau raug xa mus rau kev tsim kho, thiab tom qab ntawd cov chaw tsim khoom ncaj qha ts...

Tom qab cov ntshiab txhuas daim hlau tuaj txog ntawm qhov chaw tsim kho, txhua lub phaj txhuas tau nruab nrog cov kab raws li cov kab uas tau ua dhau los, feem ntau yog vertical...

Aluminium-magnesium-manganese aluminium phaj tseem hu ua xim-coated aluminium phaj, xim-coated aluminium coil, aluminium-manganese-magnesium xim-coated phaj, xim txhuas, thiab l...

Hauv tsab xov xwm no, peb yuav piav qhia txog qhov kub-resistant alloy aluminium phaj. Los ntawm kev sib xyaw ua ke ntawm micro-alloying thiab dov, peb tuaj yeem ua kom cov khoo...

Raws li cov txheej txheem sib txawv, cov ntaub ntawv txhuas txhuas phaj sib xyaw yog muab faib ua fiber ntau thiab equiaxed nplej nrog particle diameters ntawm 05100m) cov ntaub...

Nyob rau hauv xyoo tas los no, qhov kev thov rau txhuas phaj ua tiav tau nce xyoo los ntawm xyoo, thiab qhov kev siv tau dhau los ua ntau dua. Kwv yees li 70% ntawm cov phaj txh...

Kev zoo siab lub zog nqaj hlau vuam tshuab siv lub tshuab hluav taws xob siab ceev (electron beam, laser, plasma, thiab lwm yam) los ua cov cua sov kom yaj lub hauv paus hlau ny...

Tam sim no, cov ntoo dai kom zoo nkauj siv nyob rau hauv kev ua lag luam yog tsim los ntawm tej yam ntuj tso ntoo (xws li tshauv, ntoo qhib, beech, maple, cherry, thiab lwm yam)...

Khoom taw qhia Cov khoom muaj oxygen-thaiv, lub teeb-pov thawj, noo noo-pov thawj thiab lwm yam khoom; Yooj yim rau puncture kom yooj yim rau kev siv tshuaj; Cov khoom siv zoo h...

Khoom taw qhia Cov khoom muaj oxygen-thaiv, lub teeb-pov thawj, noo noo-pov thawj thiab lwm yam khoom; Yooj yim rau puncture kom yooj yim rau kev siv tshuaj; Cov khoom siv zoo h...