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Njira yoyeretsera machubu a labotale ndi kupukuta
Monga chida chomwe chimagwiritsidwa ntchito kwambiri mu labotale, chubu choyezera chimakhala ndi zofunika kwambiri pakuyeretsa kwake, ndipo tiyenera kuchiyeretsa mosamala.Chubu choyesera chomwe chimagwiritsidwa ntchito poyesera chiyenera kutsukidwa bwino, chifukwa zonyansa zomwe zili mu chubu choyesera zidzakhala ndi zotsatira zoyipa pakuyesera.Ngati ...Werengani zambiri -
Njira yoyenera yogwiritsira ntchito galasi lakuphimba?Kodi chimachita chiyani ndipo chimagwira ntchito bwanji?
Maikulosikopu ndi chida chowonera chomwe chimagwiritsidwa ntchito kwambiri pophunzitsa, kafukufuku wasayansi ndi zina.Mukamagwiritsa ntchito maikulosikopu, pali "chowonjezera" chaching'ono chomwe Bibuke amasowa, ndiko kuti, galasi lakuphimba.Ndiye tigwiritse ntchito bwanji galasi lakuphimba bwino?Magalasi ophimba ayenera kutsukidwa ...Werengani zambiri -
Kugwiritsa ntchito ndi kusamala kwa mbale za petri
Zatsopano kapena zogwiritsidwa ntchito zamagalasi ziyenera kuviikidwa m'madzi kuti zifewetse ndi kusungunula zidazo.Zatsopano zamagalasi ziyenera kutsukidwa ndi madzi apampopi musanagwiritse ntchito, ndiyeno ziviikidwa usiku wonse ndi 5% hydrochloric acid;Magalasi omwe amagwiritsidwa ntchito nthawi zambiri amakhala ndi mapuloteni ambiri ndi mafuta, owuma pambuyo pake ...Werengani zambiri -
Momwe mungasankhire malangizo a pipette?
01 Zinthu za mutu woyamwa Pakali pano, phokoso la pipette pamsika limagwiritsa ntchito pulasitiki ya polypropylene, yotchedwa PP, yomwe ndi mtundu wa pulasitiki wosawoneka bwino wokhala ndi inertia yapamwamba ya mankhwala komanso kutentha kwakukulu.Komabe, chimodzimodzi ndi polypropylene, padzakhala ...Werengani zambiri
