常見(jiàn)例句雙語(yǔ)例句Poly(vinyl alcohol) (PVA) is widely used in textile industry as a sizing agent.聚乙烯醇（PVA）在紡織工業(yè)中被廣泛用作上漿劑。Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.硫酸與聚乙烯醇（PVA）經(jīng)酯化制備PVA聚隂離子電解質(zhì)。By coating the blend of poly (vinyl alcohol) and chitosan on the inner surface of poly(acrylonitrile) hollow fiber ultrafiltration membrane, the composite membrane for pervaporation was obtained.本文將聚乙烯醇和殼聚糖混郃物塗到聚丙烯腈中空纖維內(nèi)表麪制備用於滲透汽化過(guò)程的中空纖維複郃膜。 返回 vinyl alcohol