Polyvinyl alcohol (PVA) with a degree of polymerization of 1750具体是什么东西?Polyvinyl alcohol (PVA) with a degree of polymerization of 1750 and analcoholysis degree higher than 99% was from Lanzhou Vinylon Factory (China).这是文章里的
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Polyvinyl alcohol (PVA) with a degree of polymerization of 1750具体是什么东西?
Polyvinyl alcohol (PVA) with a degree of polymerization of 1750 and an
alcoholysis degree higher than 99% was from Lanzhou Vinylon Factory (China).这是文章里的原话,请问这两种东西具体是什么?
(中国)兰州维尼纶厂生产的1750聚合度的乙烯聚合乙醇,醇解度超过99%,
Polyvinyl alcohol (PVA) with a degree of polymerization of 1750具体是什么东西?Polyvinyl alcohol (PVA) with a degree of polymerization of 1750 and analcoholysis degree higher than 99% was from Lanzhou Vinylon Factory (China).这是文章里的
alcohol
parts在化学剂量中怎么理解如5-35 parts by weight of antimony pentoxide.前面涉及主要成分是100parts,“100 parts by weight of a principal constituent composed of a halogen-containing polymeric substance and polyvinyl alcohol in a wei
1.homopolymer2.clay3.polyvinyl alcohol4.starch5.biocide
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英语翻译ingredients:denatured ethyl alcohol(sd alcohol 39c),demineralised water and fragrance.ajmal's perfume maunfacturing and oudh processing industry (L.L.C.) p.o.box:3141,dubai-U.A.E.made in dubai-U.A.E.
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