1) chitosan content
壳聚糖含量
1.
Determination of the chitosan content in fertilizer with spectrophotometry
分光光度法测定肥料中壳聚糖含量
2) hemi-cellulose content
聚戊糖含量
1.
The effect of hemi-cellulose content on fiber horrification and paper performance in recycling is studied concerning soda-AQ reed pulp, SP reed pulp and KP soft wood pulp.
研究了烧碱蒽醌法苇浆、碱性亚钠法苇浆、KP法针叶木浆在回用过程中纤维保水值、纤维聚戊糖含量以及成纸性能的变化,结果表明纸浆在回用中打浆前后聚戊糖含量稍有下降,而保水值增加;随着回用次数的增加,聚戊糖含量变化不大,但保水值却大幅度下降;成纸性能在回用中逐渐下降,而光学性能则向良好的方向发展。
3) pentosan content
戊聚糖含量
1.
The results suggested that tartary buckwheat from south-west China had a wide range of pentosan content.
采用间苯三酚分光光度法测定了35份我国西南地区荞麦种子中的戊聚糖含量,结果表明,不同材料间戊聚糖含量差异明显,平均含量变化范围为3。
2.
Pentosan content in few varieties was significantly higher or lower than mean value.
通过对8个有代表性小麦品种戊聚糖含量的方差分析和稳定性参数的估算,结果表明,8个品种的戊聚糖含量平均为7。
4) low-molecular-weight chitosan
低分子量壳聚糖
1.
The System of Low-Molecular-Weight Chitosan Oral Cavity Films Has Craft and Quantity Standard Researches;
复方低分子量壳聚糖口腔膜剂的制备工艺及质量标准研究
5) Low molecular weight chitosan
低分子量壳聚糖
1.
Low molecular N,O-carboxymethyl-chitosans with different degrees of substitution were synthesized under heterogeneous conditions by controlling the reaction temperature,the reaction time and the molar ratio of low molecular weight chitosan to chloroacetic acid.
采用不同反应温度、反应时间和低分子量壳聚糖与氯乙酸摩尔比,在非均相反应体系中合成了不同取代度的低分子量N,O-羧甲基壳聚糖。
2.
Low molecular weight N-succinyl-chitosans with different degrees of substitution were synthesized by controlling reaction temperature, reaction time, and the molar ratio of the low molecular weight chitosan to succinic anhydride.
低分子量壳聚糖是壳聚糖经降解生成的一类低聚物,不仅具有多种生理活性[3],而且还有许多独特的功能性质,如良好的水溶性、吸湿保湿性及抗菌抑菌性等[4]。
3.
Effects of low molecular weight chitosan coating on storage quality and postharvest physiology of Dong jujube at room temperature was studied.
以冬枣为试材,研究在常温下用不同浓度的低分子量壳聚糖涂膜处理对冬枣采后生理及保鲜效果的影响。
6) density of the chitosan
壳聚糖质量分数
1.
The results show that the effection to release speed was controlled main of the proportion of the capsule wall and the capsule heart,and the density of the chitosan of wall material was suitable for 3%.
实验表明,胶囊中囊芯的释放速率主要由芯壁比决定,囊壁的壳聚糖质量分数以3%为宜。
补充资料：壳聚糖
壳聚糖是甲壳素的脱乙酰化产物，又称可溶甲壳素、壳多糖、甲壳胺，是一种天然生物高分子聚合物，白色结品性扮末。有很强的吸湿性，仅次于甘油，高于聚乙二醇、山梨醇。在吸湿过程中，分子中的羟基、胺基等极性基团与水分子作用而水合，分子链逐渐膨胀，随着pH值的变化，分子够从球状胶束变成线状。具有很好成膜性、透气性和生物相容性。无毒，且可生物降解。
用作水溶性胶粘剂的增稠剂。
用作水溶性胶粘剂的增稠剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条