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- Polyvinylpyrrolidone (PVP) is a kind of fine polymer obtained by free radical polymerization of N-vinyl pyrrolidone (NVP). 聚乙烯基吡咯烷酮(PVP)，是一种水溶性精细高分子聚合物。
- Amphiphilic heteroarm star-shaped polymer was synthesized by the use of polyfunctional chain transfer agent via sequential free radical polymerization in three steps. 采用多官能链转移剂通过普通自由基聚合制备两亲性杂臂星形聚合物。
- The monodisperse polystyrene particles were prepared by free radical dispersion polymerization. 用分散聚合方法制备单分散聚苯乙烯微球。
- A two-stage process was used to graft 2-hydroxyethyl methacrylate (HEMA) by free radical polymerization onto PAN. 本研究以两段式操作，利用自由基聚合法，把亲水性单体接枝在聚丙烯腈表面上。
- GMA-type acrylic resin was prepared with four kinds of monomers by free radical solution polymerization. 通过对单体均聚物综合性能的比较,确立了最佳单体共聚体系。
- The free radical polymerization of VOZO in benzene solution results poly 2 vinyl 2 oxazoline(PVOZO). 对合成过程中的溶剂及分离等问题进行了讨论。
- A free radical is a molecular fragment having an unpaired electron. 自由基是一种具有未配对电子的分子碎体。
- The inhibition and retardation effects of N,N-diethylhdroxyamine (DEHA) on free radical polymerization of styrene were investigated by dilatometry. 利用膨胀计研究了二乙基羟胺(DEHA)对苯乙烯自由基聚合的阻聚和缓聚作用。
- The styrene-acrylic emulsion modified by double hydroxyl tetra-coordinated silicon was prepared by free radical emulsion polymerization. 通过乳液聚合方法,制备了双羟基四配位硅改性苯丙乳液;
- In this paper, we summarize mainly the chemical initiating methods for grafting in three categories: free radical, anionic and cationic polymerization. 着重总结了接枝的化学引发方法，分自由基、阳离子、阴离子聚合引发体系三大类进行讨论。
- Polyethersulfone (PES) hollow fibers grafted with acrylic acid for pervaporation application were prepared by free radical polymerization. 采用自由基聚合反应制备了丙烯酸接枝改性的聚醚砜中空纤维渗透汽化膜,该膜用于醇/水分离获得了良好的效果。
- This reaction has been classified as a free radical chain process. 这种反应是按自由基连锁反应的历程进行分类的。
- The bivalent radical CO. 羰基，碳酰基二价原子团co
- In the presence of poly(ethylene glycol) (PEG),poly(methyl methacrylate)(PMMA) networks were prepared by free radical polymerization. 在聚乙二醇存在的情况下,自由基聚合得到的聚甲基丙烯酸甲酯/聚乙二醇(PMMA/PEG)共混物,是一种半结晶聚合物;
- Granular high oil-absorbing resin was prepared by free radical suspension polymerization process using 4-tert-butyl styrene as monomer. 以4-叔丁基苯乙烯为单体,采用自由基悬浮聚合法合成了颗粒状高吸油树脂。
- Glutathione peroxidase( GSH-Px) acts as a free radical scavenger. 谷胱甘肽过氧化物酶是生物机体内的自由基清除剂。
- Proanthocyanidin is a effective natural free radical scavenger. 原花青素是一种天然有效的自由基清除剂。
- Abnormality of free radical production will lead many diseases. 自由基产生异常,将导致诸多疾病过程。
- OH Lilium Bromopyrogallol red Scavenging effect Free radical ? 百合 溴邻苯三酚红 清除作用 ?
- Vinyl ethers can cure by both cationic and free radical mechanisms. 乙烯醚可以都阳离子和游离基反应固化。
