Akụkọ ụlọ ọrụ

  • Newly green material in the 21st century – basalt fiber

    Ngwongwo ohuru ohuru na 21st century - eriri basalt

    Basalt dị ka akwụkwọ ndụ akwụkwọ ndụ na narị afọ nke 21 na-ejikarị ya eme ụlọ, okporo ụzọ, na ihe ndị ọzọ. Ewezuga nkume basalt, ngwaahịa nke na-eji basalt eme ka ihe eji arụkwa ọrụ, dị ka eriri basalt. Basalt eriri awagharị, nke na-eji eke ...
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  • How to solve the rust problem of construction?

    Esi edozi nchara nsogbu nke owuwu?

    Dị ka anyị si mara, ọla niile nwere ihe okike bụ Corrosion. Steel bụ ihe magburu onwe ụlọ ihe onwunwe nke bụ ngwa ngwa dị, ukwuu recyclable na nwere nnukwu ike na-arọ ruru na dịtụ ogologo anwụ ngwa, Otú ọ dị, ọ bụ-apụghị izere ezere- ígwè corrodes. Nchara nchara nwere ike belata ya stre ...
    GỤKWUO