teflon

acquittal earned him the nickname ‘the Teflon Don’.

他的无罪释放给他带来了“特富龙•唐”的外号。

PVC, Teflon and fluorion diaphragm were found to be better than glass as materials of diaphragm cell for their advantages in corrosion resistance as well as less electric resistance.

以聚氯烯、聚烯和全离子隔膜为材料的套管式隔膜解槽具有隔膜亲水、阻小、耐碱液腐蚀、耐高铁酸盐氧化等优点，与平板式隔膜解槽采用的普通玻璃和高硼硅玻璃相比是更加理想的化学合成高铁酸盐的解槽及隔膜材料。