polyvinyl

1.polyvinyl chloracetate

氯-

2.gate valves with inside screw stem;

英文标题： (Unplasticized polyvinyl chloride (UPVC) valves;

3.Objective To evaluate the effect of bronchial artery embolization (BAE) with polyvinyl alcohol (PVA) foam and gelatinum sponge (GS) for serious hemoptysis.

目的评价醇(PVA)加明胶海绵(GS)栓塞支气管动脉治疗大咯血的疗效。

4.s: Sodium alginate and polyvinyl alcohol were separately used as carriers to entrap and immobilize the high efficiency degradating bacterium of succinonitrile.

分别用海藻钠与醇为载体,对前期研究中获得的丁二腈高效降解菌进行包埋固定。