polygenn.多种价元素
POLYabbr.聚乙烯(=polyethylene)pref.多的;聚合的
Polychromatophilic stain reaction多染性染色反应
polyacenic semiconductor material聚并苯
Polystichum orientali-tibeticumn.藏东耳蕨
Polyacryamide Gel Electrophoresis聚丙烯酰胺凝胶电泳
polyurethane -acrylate emulsion聚氨酯丙烯酸酯乳液
polyethylene glycol ether sulfate聚乙二醇醚硫酸盐
polyimide nanofiltration membrane聚酰亚胺纳滤膜
polyethylene terephthalate wastes聚对苯二甲酸乙二脂废料