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- carboxymethyl chitosan fiber 羧甲基甲壳胺纤维
- When the degree of carboxymethylation is below 50%, the carboxymethylated chitosan fibers can absorb a large amount of liquid whilst maintaining its fibrous structure at the same time. 当羧甲基取代度在50%25以下时,纤维在吸收大量液体时仍可以保持其结构。
- Experiments show that chitosan fiber has good degradability. 结果说明壳聚糖纤维具有良好的生物降解性能。
- The research provided the scientific basis for the application of carboxymethyl chitosan in vegetable production. 该研究为羧甲基壳聚糖在蔬菜生产上的应用提供了科学依据。
- Colloid titration was used to determine the substitution degree of carboxymethyl chitosan. 用胶体滴定法测定了橡椀栲胶中的单宁含量。
- Objective:To develop a synthesis method of the carboxymethyl chitosan(CM-CTS) and to study its bacteriostatic effect. 目的:研究羧甲基壳聚糖的合成反应及其抑菌活性。
- Carboxymethyl chitosan (CMC) was prepared by a two-step alkalization and refined by the method of isoelectric point. 本论文采用了两步加碱的新方法制备羧甲基壳聚糖(CMC),并利用等电点沉降法精制CMC。
- Carboxymethyl chitosan (N,O-CMC) was prepared by reacting chitosan with chloroacetic acid and various degrees of substitution (DS) were obtained. 用氯乙酸对壳聚糖进行羧甲基改性,制备不同取代度的羧甲基壳聚糖。
- Objective To study the release characteristics of fluorouracil-loaded carboxymethyl chitosan microspheres(Fu-CMCS-MS) in vitro. 目的探讨对以羧甲基壳聚糖为载体的氟尿嘧啶微球体外释药特性的影响因素。
- Objective To prepare carboxymethyl chitosan microspheres of fluorouracil(FU-CMCS-MS), and measure the releasing of FU-CMCS-MS in vitro. 目的探讨羧甲基壳聚糖包药微球体的制备及体外释药特性。
- The factors which influence the substitute position of carboxymethl in preparation of carboxymethyl chitosan were studied. 研究了反应温度、壳聚糖与氯乙酸质量比、氢氧化钾与氯乙酸质量比对反应产物结构的影响。
- Immersing into the soil slurry, the chitosan fiber reduced 55. 9% in weight and 57. 6% in the absolute strength after 6 weeks. 浸泡在活性污泥泥浆中的纤维6周后质量减少55.;9%25;绝对强力下降57
- It is shown that the flexural st rength of the composite is improved firstly and then decreases with increasing the mass f raction of chitosan fiber. 结果表明,壳聚糖纤维能显著提高壳聚糖棒材的力学性能,壳聚糖棒材的弯曲强度随壳聚糖纤维添加量的增加先增加而后下降,随着壳聚糖纤维长度的增加而增加。
- Being used as fabric finish, Hydroxyethyl ethyl ether chitosan is found to be suitable for cotton fabric and carboxymethyl chitosan suitable for silk fabric. 用羟甲基化和醚化等方法制备了改性壳聚糖羟甲基壳聚糖和羟乙基乙基醚壳聚糖。
- For developing high value-added and functional medical textiles, hydroentangled method was used for manufacturing chitosan fiber medical dressings. 为了研制高附加值的功能性医用纺织品,采用高压水力缠结的方法成功开发了壳聚糖纤维医用敷料。
- The research on the effects of different concentration of carboxymethyl chitosan on the seeds germination of Brassica chinensis L. under suboptimal temperature was done. 摘要为了研究不同浓度羧甲基壳聚糖在次适温下对小白菜种子萌发的作用。
- Seeds soaked with carboxymethyl chitosan could increase the germination potential, germination rate, germination index, vigor index, bud length and root length under suboptimal temperature. 羧甲基壳聚糖浸种处理可提高次室温下小白菜种子的发芽势、发芽率、发芽指数、活力指数、芽长和根长。
- Carboxymethyl chitosan with good water solubility was synthesized in this paper.Carboxymethyl chitosan solution as flocculant was applied in purificantion of Chinses traditional medicine. 合成了具有良好水溶性的羧甲基壳聚糖,并将产品水溶液作为絮凝剂应用于中药制剂的提纯。
- The preparation of chitosan fiber is briefly introduced in this paper.The development history,exploiture and recent application of chitosan fibers are emphatically discussed. 简要介绍了壳聚糖纤维的制备方法,并着重阐述了壳聚糖纤维的发展历史、开发及应用近况。
- By acetylating the chitosan fibers, chitin fibers can be made through a batch process. 在甲壳胺纤维上加上乙酰基后要以得到再生甲壳素纤维。