本发明还公开了该阻燃聚乙烯醇材料的制备方法。
The invention further discloses a preparation method of the fireproof polyvinyl alcohol material.
聚醋酸乙烯和聚乙烯醇是经过无数次筛选的理想修补材料。
The polyvinyl acetate and polyvinyl alcohol used are ideal restoring materials obtained by numberless screening.
以大豆卵磷脂为包封材料,用反相蒸发法制备脂质体,同时用不同浓度的聚乙烯醇(PVA)进行包覆。
The liposome was made by reverse-phase evaporation method from soya lecithin and coated with different concentration of polyvinyl alcohol (PVA).
用红外光谱和其他测试方法对聚乙烯醇缩甲醛(PVFM)泡沫材料湿热老化前后力学性能、物理性能和化学结构的变化进行了研究。
The changes in mechanical and physical properties and chemical structure of polyvinyl formal (PVFM) foam caused by hygrothermal ageing tests were studied by means of IR and other measuring methods.
本文采用氨水-碳酸铵混合溶液作沉淀剂,通过添加聚乙二醇(PEG)和聚乙烯醇(PVA)制备了高比表面积,大孔容的低铈型储氧材料。
In this dissertation, a series of high specific surface area, large pore volume and low Ce content OSMs were precipitated with mixed ammonia-ammonium carbonate solution, and assisted by PEG and PVA.
本文以海藻酸钠、聚乙烯醇为材料包埋固定化细胞。
Sodium alginate and polyvinyl alcohol were used as the carriers to immobilize cells.
目的观察国产聚乙烯醇(PVA)植入家兔背部肌肉后不同时间的材料周围组织反应情况。
Methods The domestic PVA was implanted in one side of the back muscle of ten rabbits.
聚乙烯醇的生物相容性良好,得到了医疗材料的高度重视。
The biocompatibility of polyvinyl alcohol is good, and the medical material is highly valued.
经固定化颗粒传质试验与固定化细胞耐毒性试验,说明聚乙烯醇是一种对基质传质效果好,且能保护细胞活性免受水中毒性物质毒害的良好的包埋固定化材料。
Experiment results showed that, PVA is a good kind of entrapping agent in the diffusion and it can protect the activity of microbial cell from the toxic.
本发明公开了一种采用聚乙烯醇复合凝胶作为包埋材料的厌氧菌菌株的连 续培养方法。
The invention discloses a continuous culture method for anaerobic strains which take polyvinyl alcohol complex gel as embedding material.
目前常用的高分子材料有聚多糖类、氨基酸类、乙基纤维素、聚乙烯醇、聚丙烯酸、聚苯乙烯等。
At present the commonly used high polymer material has gathers the multi-carbohydrates, the amino acid, the ethyl cellulose, the polyvinyl alcohol, the polyacrylic acid, the polystyrene and so on.
方法:采用95%乙醇提取有效成分,聚乙烯醇为成膜材料,制备雷公藤涂膜,制定质量标准。
Methods: Using 95 percent alcohol to extract effective constituent, PVA-1750 as film material, to prepare Tripterygium Wilfordii membrane and enactment the level of quality.
本发明的复合材料包含基于磷酸三钙的活性陶瓷相和其中含有聚乙烯醇水凝胶的有机相。
The composite material according to the invention comprises a reactive ceramic phase based on tricalcium phosphate and an organic phase comprising a polyvinyl alcohol hydrogel.
该涂料由聚乙烯醇树脂、负离子粉、等材料配制而成,将该涂料涂布在卷烟高透成型纸上制成嘴棒。
The paint is made from polyvinyl alcohol resin, anion powder, etc. The paint is coated on high transparent paper of the cigarette so as to be made into a filter tip.
实验结果表明,交联后的聚乙烯醇粘合剂性能优于聚乙烯醇缩醛粘合剂,而且无毒无害,是一种优良的环保材料。
Experimental results showed that the properties of crosslinked adhesive of PVA are superior than those of polyvinyl acetal adhesive. Further-more, it has innoxious to people, it is a excellent en...
实验结果表明,交联后的聚乙烯醇粘合剂性能优于聚乙烯醇缩醛粘合剂,而且无毒无害,是一种优良的环保材料。
Experimental results showed that the properties of crosslinked adhesive of PVA are superior than those of polyvinyl acetal adhesive. Further-more, it has innoxious to people, it is a excellent en...
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