英文同义词: | POLYETHYLENE STANDARD 21'000, FOR;POLYETHYLENE, LINEAR LOW DENSITY, MELT INDEX 5.5;POLYETHYLENE, HIGH DENSITY, AVERAGE MW C A. 125,000;POLYETHYLENE, AVERAGE MW CA. 4,000;POLYETHYLENE, AVERAGE MW CA. 15,000;POLYETHYLENE LOW DENSITY MELT INDEX 1;MALDI VALIDATION SET POLYETHYLENE GLYCOL MP 500-20000 CERT.;POLYETHYLENE STANDARD 85'000 FOR GPC |