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- Keywords total flavones of Psidium guajava leaves;macroreticular absorbent resin;separation and purification; 番石榴叶总黄酮;大孔吸附树脂;分离纯化;
- macroreticular absorbent resin 大孔吸附树脂
- It was helpful in gathering and storing water for KGM super absorbent resin could avoid the water from running off. 该保水剂的施用充分利用了有限的水分,减缓苗期旱情。
- Washing with ethanol can remove the residual acrylic acid in super absorbent resin effectively. 用乙醇处理可有效除去高吸水树脂中的丙烯酸单体残留。
- Pot experiments were carried out to study the effect of KGM super absorbent resin on wheat seed germination. 摘要利用盆栽控水的方法研究自制魔芋保水剂对小麦出苗的影响。
- In this paper, research and development of PVA super water absorbent resin are introduced. 介绍了聚乙烯醇(PVA)系高吸水树脂的国内外研究开发情况。
- The new synthesis technology of starch graft acrylic acid of high water absorbent resin has been investigated. 研究了淀粉接枝丙烯酸制备高吸水树脂的新工艺。
- The influence of super absorbent resin on nitrogen, phosphor and potassium in soil were studied. 利用化学分析法研究了高吸水性树脂对土壤中氮、磷、钾养分的影响。
- This paper introduces a super absorbent resin made from gelatinized dextrin and acrylic acid copolymer. 摘要将糊精糊化,加入特定的引发剂与交联剂和丙烯酸盐接枝共聚,制得到高吸水性材料。
- Methods Silica gel superfine process was conducted by combining solvent extraction and separation with macroporous absorbent resin. 方法首先用溶剂萃取结合大孔吸附树脂分离,然后用硅胶柱精制提取。
- This paper mainly presents the research history and application of Super Absorbent Resin,and puts forward its developing trend in th e future. 主要介绍高吸水性树脂的研究历史及其应用,并提出其今后的发展动向。
- The diluted solution of the super absorbent resin has been tested as a smoke sediment agent.The result has shown that it has an obvious smoke abatement effect. 并通过实验对该材料的烟雾沉降效果进行了研究,结果表明以该材料可较大程度地提高烟雾颗粒的沉降速度,可望成为一种新型的除烟剂。
- The author introduces the alcoholic extracting technique of flavonoids in Crataequs leaves by using the orthogonal design and purify by means of absorbent resin. 介绍了用正交法探讨山楂叶中黄酮类化合物的乙醇提取及用树脂吸附法进行纯化的生产工艺.
- The novel super absorbent resin was prepared through free radical grafting copolymerization by using the sodium carboxymethylcellulose, acrylic acid, acrylamide. 以羧甲基纤维素钠、丙烯酸、丙烯酰胺为原料,通过自由基接枝聚合制备了高吸水树脂。
- The polyacrylonitrile powder was hydrolyzed in a caustic solution.The obtained product was treated by either crosslinking or adding an external crosslinking agent to produce the absorbent resin. 将聚丙烯腈粉末用碱水解,所得到的产物分别用外加交联剂法和热交联法交联,制备高吸水性树脂。
- Application of high water absorbent resins in medical and sanitary fields is discussed. 介绍高吸水性树脂在医疗和卫生用品方面的应用情况。
- OBJECTIVE:To promote the application of the technology of foramen-magnum absorbent resins in the preparation of traditional Chinese medicines. 目的:推进大孔吸附树脂吸附分离技术在中药制备工艺中的应用。
- The acrylate oil absorbing resin were synthesised by means of suspension polymerization and using divinylbenzene as crosslinking agent. 以丙烯酸酯为单体,二乙烯基苯为交联剂,采用悬浮聚合法合成低交联度的聚丙烯酸酯类吸油树脂。
- An oxygen absorbing resin was obtained by dispersing iron based deoxidizing agent into PE-LD matrix containing a small fraction of EVOH. 采用铁系脱氧剂、乙烯-乙烯醇共聚物(EVOH)、相容剂和PE-LD,通过双螺杆挤出机制备吸氧母料,将其与适量PE-LD混合经单螺杆挤出机吹塑成吸氧薄膜。
- Method: Ultraviolet spectrophotometry was employed to determine the absorption of different macroporous absorbing resin to astragaloside. 方法:采用紫外分光光度法测定不同大孔树脂对指标性含量黄芪总甙的吸附量。