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PES kub yaj nplaum web zaj duab xis
Qhov no yog ib qho omentum ua los ntawm PES. Nws muaj cov qauv mesh ntom heev, uas ua rau nws tau txais kev ua pa zoo. Thaum ua ke nrog cov ntaub, nws tuaj yeem xav txog lub zog sib txuas thiab huab cua permeability ntawm cov khoom. Nws feem ntau siv rau qee cov khoom uas xav tau huab cua siab heev ... -
PA zaj duab xis kub yaj nplaum
PA zaj duab xis nplaum kub yaj yog cov khoom siv zaj duab xis nplaum kub yaj ua los ntawm polyamide ua cov khoom siv tseem ceeb. Polyamide (PA) yog cov thermoplastic polymer linear nrog cov qauv rov ua dua ntawm pawg amide ntawm lub cev pob txha caj qaum tsim los ntawm carboxylic acids thiab amines. Cov hydrogen atoms ntawm t... -
PA kub yaj nplaum web zaj duab xis
Qhov no yog cov khoom siv polyamide omentum, uas feem ntau yog tsim los rau cov neeg siv khoom kim heev. Cov khoom siv tseem ceeb ntawm cov khoom no yog qee cov khaub ncaws kim heev, cov khoom siv khau, cov ntaub tsis-woven thiab cov ntaub sib xyaw. Lub ntsiab lus tseem ceeb ntawm cov khoom no yog qhov cua nkag tau zoo. Cov khoom no yog ib qho g ...


