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Kodi mungadziwe bwanji mawebusayiti apamwamba kwambiri?
Kulumikizana kwanthawi yayitali ndi mawebusayiti, nthawi yayitali, zokumana nazo zambiri, mutha kumva kukoma kwa mawebusayiti ndi kumverera.Njira iyi yowonera mawebusayiti ndiyolakwika.Kodi kudziwa ukonde wapamwamba ndikolondola?Choyamba, onani ngati pali cholakwika chilichonse pamapangidwe a riboni, komanso ngati kukula kwake ...Werengani zambiri -
Magic aramid fiber
Aramid fiber idabadwa kumapeto kwa zaka za m'ma 1960.Poyamba sichinadziwike ngati chida chopangira chilengedwe komanso chinthu chofunikira kwambiri.Pambuyo pa Cold War, fiber ya aramid, monga zida zapamwamba kwambiri, idagwiritsidwa ntchito kwambiri m'maboma, ndipo pang'onopang'ono idadziwika.Ku...Werengani zambiri -
Kumvetsetsa ulusi wa nayiloni kumayamba ndi chikhalidwe chake, gulu lake ndi ntchito yake.
Silika ya nayiloni ndi mtundu wa nsalu za nsalu, zomwe zimakhala ndi mitundu yambiri, monga monofilament, ulusi wa plied, ulusi wapadera, ndi zina zotero. sera, ndipo mutha kumva kukangana pakati pa nsalu pozisisita mmbuyo ndi mtsogolo ...Werengani zambiri -
General mkhalidwe wa aramid CHIKWANGWANI
Kevlar (Kevlar) kwenikweni ndi dzina la chinthu cha DuPont, chomwe ndi mtundu wa zinthu za polima.Dzina lake la mankhwala ndi "poly (terephthalamide)", omwe amadziwika kuti "aramid fiber".Aramid ndi dzina lodziwika bwino la polyamide onunkhira.Poyerekeza ndi zinthu wamba polyamide suc...Werengani zambiri -
Gwiritsani ntchito chingwe chamoto
Choyamba, pezani mfundo yokhazikika.Mukathawa, onetsetsani kuti mwakonza chingwe chothawa pa chinthu chokhazikika m'chipindamo.Ngati palibe chinthu chokhazikika m'chipindamo, muyenera kusamala posankha mipando yolemetsa kuti muyikonze, kuti isayendetsedwe ndi kulemera kwanu.Pokonza chingwe, ziyenera kuzindikirika ...Werengani zambiri -
Kukonzekera kwa aramid fiber
Ngakhale fiber ya aramid imagwira ntchito kwambiri, imayambitsanso zovuta pakukonza.Chifukwa ulusi wa aramid sungathe kusungunuka, sungathe kupangidwa ndikusinthidwa ndi njira zachikhalidwe monga kuumba jekeseni ndi extrusion, ndipo ukhoza kukonzedwa mu njira yokhayo.Komabe, yankho la pro ...Werengani zambiri