Ndi kuchuluka kwa mphamvu padziko lonse lapansi komanso kukula kwa kufufuza kwamadzi kwakuya kwa nyanja, ukadaulo wosinthitsa mafuta mu malo oyambika akopa chidwi kwambiri. Mafuta am'madzi am'madzi ndi chimodzi mwazida zofunika kwambiri pakupanga mafuta am'munsi. I ...
Zingwe za mphira zakhala zikugwiritsidwa ntchito pazaka zopitilira 100, makamaka zopangidwa ndi nyama yotentha (makamaka kudzera mu valcananition tank njira yolimba) yolimba komanso yolimba. Ndi chitukuko cha zida za polymer, ...
Chida Choyamba ku China chinatsegulidwa pa Msonkhano wa 12 pa msonkhano wamayiko uja komanso malo owonetsera ku Fuzhou, Fajian, China! Chiwonetserochi chimakhudza gawo la mamita 100,000, oyang'ana ...
Ndende zam'madzi zimagwira ntchito yofunika kwambiri ku Marine urmineering. Nthawi zambiri amagwiritsidwa ntchito ponyamula madzi pakati pa nsanja, zombo ndi malo a m'mphepete mwa nyanja. Masesi am'madzi ndiofunikira kuti awonetsetse kukula ndi kutetezedwa ndi zothandizira zamadzi ndi chitetezo chambiri. C ...
Mapaipimu ndi zida za "ma isteline" opangira kupanga ndi chitukuko cha mafuta am'mimba ndi zinthu zamagesi ndi zinthu zamadzi. Tekinoloji yachikhalidwe chailid yakhwima, koma zolephera zobisika, kutetezedwa kwa kuwonongeka, kukhazikitsa ndikuthamanga kukhala ...