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- Study on the Cold-resistant Poly vinyl Formal Adhesive 耐寒型聚乙烯醇缩甲醛胶的研究
- Keywords porosity;macroporous hydrogels;poly（vinyl formal）;swelling/deswelling behavior;mechanical properties; 孔隙率;多孔凝胶;聚乙烯醇缩甲醛;吸水/脱水行为;力学性能;
- This paper introduces modification of poly vinyl acetate by copolymerization and the application state of the modified products. 文章介绍了聚醋酸乙烯酯共聚改性研究及改性产品应用进展情况。
- The water soluble film forming material includes poly vinyl alcohol, polyvinyl pyrrolidone, sodium alginate, hydroxy propyl cellulose, hydroxy propyl methyl cellulose etc. 水溶性成膜材料包括：聚乙烯醇、聚乙烯吡咯烷酮、海藻酸钠、羟丙基纤维素、羟丙基甲基纤维素等。
- The hydrophilic modification of polypropylene non-woven fabric (NWF) surface was conducted by coating PVA (poly vinyl alcohol) film on the NWF surface via dip-coating method. 采用表面涂覆法,将聚乙烯醇(PVA)薄膜固定在聚丙烯无纺布表面,进行表面亲水改性。
- Large quantities of spheric silver colloidal particles,which were protected by poly vinyl pyrrolidone(PVP),can be converted into flake silver powders using photoinduced method. 将银溶胶用适当的保护剂保护后,置于一定波长的可见光下进行辐照可以得到纳米级片状银粉。
- Using the method of latex polymerization,poly vinyl acetate was synhesized with PVA as protective colloid,which was crosslinked with formylamine-group containing component. 采用乳液聚合的方法,以乙酰化聚乙烯醇为保护胶体合成聚醋酸乙烯乳液,并用含甲酰胺基的乙组分与其交联。
- The formulations for nitrile rubber sealing material modified with pasted poly vinyl chloride resin by grafting process at high temperature were designed. 设计采用高温接枝工艺制备聚氯乙烯糊状树脂改性丁腈橡胶密封材料的配方,考察聚氯乙烯添加量对材料性能的影响。
- Abstract: Large quantities of spheric silver colloidal particles, which were protected by poly vinyl pyrrolidone( PVP), can be converted into flake silver powders using photoinduced method. 摘要：将银溶胶用适当的保护剂保护后，置于一定波长的可见光下进行辐照可以得到纳米级片状银粉。
- Abstract: Large quantities of spheric silver colloidal particles, which were protected by poly vinyl pyrrolidone (PVP),can be converted into flake silver powders using photoinduced method. 摘要：将银溶胶用适当的保护剂保护后，置于一定波长的可见光下进行辐照可以得到纳米级片状银粉。
- Phase-changing energy-storing gypsum wallboard was produced by directly incorporating butyl stearate with poly vinyl alcohol as dispersing agents or by imbibing those phase-changing materials. 以硬脂酸丁酯为相变材料,聚乙烯醇为分散剂,石膏板为载体,通过浸渍法和直接加入法制备相变储能石膏板。
- Keywords poly（vinyl alcohol）;polyvinyl formal;organosilicones sol;anti fogging property;transparency; 聚乙烯醇;聚乙烯醇缩甲醛;有机硅溶胶;防雾性;透明性;
- spray poly vinyl chloride hoses for agriculture use 农用喷雾器聚氯乙烯(pvc)管
- identification of poly vinyl alcohol fibers 聚乙烯醇纤维鉴别试验方法
- poly(vinyl formal) [化] 聚乙烯醇缩甲醛
- poly vinyl alcohol (PVA) hydrogel 聚乙烯醇水凝胶
- We were invited to a formal luncheon. 我们被邀参加一次正式的午宴。
- He cast his last remark in more formal wording. 他用更正式的措词表达了最后一句话。
- Don't you be so fucking formal with me. 别你他妈的对我这么一本正经了。
- The letter is written in formal style. 这封信是用正式文体写的。
