3 - propanediol polytrimethylene terephthalate chemical synthesis bioconversion
3-layer polyethylene coated pipe
3-Layer polyethylene system
5 000 molecular weight polyethylene
Acrylate Polyethylene Glycol Monoester
acrylic acid-grafted polypropylene
acrylonitrile-chlorinated polyethylene styrene
Acrylonitrile—chlorinated polyethylene —styrene terpolymerization
acrylonitrile-chlorinated polyethylene-styrene
acrylonitrile-chlorinated polyethylene-styrene copolymer
中枢模式发生器(CPG)
丙烯腈－氯化聚乙烯－苯乙烯三元共聚物
丙烯腈／氯化聚乙烯／苯乙烯共聚物
adding polyfluortetraethylene
adsorption of polyoxyethylene alkyl ether surfactants
Alkyl Alcohol Polyoxyethylene Ether
alkyl alcohol polyoxyethylene ether sulfate
ALKYL PHENOL POLYOXYETHYLENE ETHER CARBOXYLATE
alkyl phenol polyoxyethylene ether phosphate
alkyl polyoxyethylene ether
alkyl polyoxyethylene ether sulfate