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- This article researches into the production methods and control conditions about chitin and chitosan. Moreover, it also studies the calculation of dissociative amidocyanogen and deacetylated chitin. 研究了甲壳质、光聚糖的制备方法,控制条件以及游离胺基、脱乙酰度的计算。
- Yong-Woo Cho,Jinho Jang,Chong Rae Park,et al.Preparation and solubility in acid and water of partially deacetylated chitins[J].Biomacromolecules,2000,1:609-614. 陈炳稔李国明.;电导法研究可再生甲壳质吸附低浓度游离酸[J]
- Keywords chitin;chitosan;deacetylated chitin;dissociative amidocyanogen; 壳聚糖;脱乙酰甲壳质;脱乙酰度;游离胺;
- deacetylated chitin 脱乙酰基甲壳质
- Chitin has a tight connection with human life. 甲壳素与人类的生命有着密切的关系。
- Chitin Produced from crab &shrimp shells. 甲壳素 生产从螃蟹和虾炮弹。
- Their cell walls contain chitin or chitosan. 它们的细胞壁含有角素或壳聚糖。
- Chitin is a polymer of N-acetylglucosamine. 几丁质是N-乙酰葡糖胺。
- The shell of crabs used as the materials was made into chitin by means of decalcification and deproteinization,the solid chitosan was obtained through deacetyl in chitin. 以蟹壳为原料,采用化学方法先将原料脱钙、脱蛋白质制成甲壳素,再脱甲壳素中的乙酰基,制成壳聚糖固体。
- Keywords FTIR spctroscopy;deacetylation chitin;metal ion;adsorption mechanism;oxidation-reduction.; 傅立叶变换红外光谱;脱乙酰甲壳质;金属离子;吸附机理;氧化还原;
- Chitin was prepared by treating and decolourizingthe shrimp crust with dilute acid and dilute alkali. The resultant product was deacetylated by alkaline treatment, and so obtained chitosan. 将虾壳用稀酸、稀碱处理,脱色制成甲壳质,再用碱处理脱乙酰基制成壳聚糖。
- The effect of hydrochloric acid concentration and reaction variables (temperature and time) on the performances of chitosan was investigated when chitin was deacetylated with alkali. 研究了盐酸浓度以及甲壳素在脱乙酰反应时不同反应时间和反应温度对壳聚糖性能的影响。
- High-property chitosan can be produced by chitin deacetylase. 而采用甲壳素脱乙酰酶能制备出性能独特的壳聚糖。
- REVIEW OF RESEARCH ON CHITIN AND CHITOSAN FROM FUNGI. 数字化期刊。真菌几丁质和壳聚糖研究进展。
- But chitin deposits never build up on the sea or forest floor. 但是,甲壳素沉积从来没有积累成海洋或森林有机质层。
- The gel of native products is springness and deacetylated products is a gel. 天然式结冷胶溶液的凝胶特性是粘弹性体,低酰基结冷胶溶液是凝胶体。
- In most species the walls of hyphal cells contain chitin. 大多数真菌的细胞壁含有明角质。
- The exoskeleton of insects is largely made of protein and chitin. 昆虫的外骨骼大部分是由蛋白质和几丁质组成的.
- Chitosan is the N-deacetylated derivative of chitin. 壳聚糖是几丁质的脱乙酰基衍生物。
- Chitosan can be made from chitin by alkaline deacylation. 壳聚糖是由甲壳质脱去乙酰基而制得的。