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- A kind of water-soluble chitosan derivative was prepared by the reaction of ch- itosan with NH_4 CNS and CH_2 C1COOH. 将壳聚糖与硫氰酸铵(NH_4CNS)和氯乙酸(CH_2ClCOOH)共热反应,制备了壳聚糖衍生物硫脲乙酸壳聚糖(NCTS)。
- Conclusion Norcantharidin chitosan derivative has antitumor activity and increasing leukocyte effect. 结论 去甲斑蝥素壳聚糖具有抗肿瘤活性和升高白细胞作用。
- A novel aminated chitosan derivative was prepared from chitosan through cross-linking,hydroxylpropyl-chloridization and amination. 通过以壳聚糖为原料,经交联、羟丙基氯化及胺基化,制备了壳聚糖胺基吸附剂。
- A novel aminated chitosan derivative was prepared from chitosan through cross-linking, hydroxylpropyl-chloridization and amination. 摘要通过以壳聚糖为原料，经交联、羟丙基氯化及胺基化，制备了壳聚糖胺基吸附剂。
- Objective To prepare norcantharidin chitosan derivative (Nor-Chi) and evaluate its antitumor activity as well as its increasing leukocyte effect. 目的 获得具有抗肿瘤活性的去甲斑蝥素壳聚糖衍生物，解决去甲斑蝥素的血管刺激性及水溶性问题。
- After chemical modifications,such as etherification,esterification and acylation,the antioxidant activity of chitosan derivatives will be changed greatly. 经醚化、酯化、酰化等改性后,壳聚糖衍生物的抗氧化能力发生改变。
- Chitosan derivative (RSCTS) was obtained by chitosan with salicylaldehyde.Carboxymethyl chitosan derivative (RS-CMC) was prepared by carboxymethl reaction in alkaline condition. 摘要壳聚糖(CTS)与水杨醛反应制得壳聚糖衍生物(RS-CTS)，在碱性条件下羧甲基化得羧甲基壳聚糖衍生物(RS-CMC)。
- Some N-acylating chitosan derivatives were synthesized through the reaction of malic anhydride and chitosan in the presence of acetic acid and acetone in homogeneous solution. 以醋酸和丙酮为反应介质,利用马来酸酐在均相条件下对壳聚糖进行水溶性N-酰化改性;
- It is indicated that chitosan derivatives and their nano particles have obvious inhibition effect on increase of several of bacterial such as staphlocossus and colibacillus. 结果显示,纳米材料整理后的织物对金黄色葡萄球菌、大肠杆菌的抑菌作用最强,经壳聚糖衍生物整理的织物抑菌性能大于壳聚糖;
- Antitumor properties of chitosan derivatives, application of chitosan derivatives as drug carrier and auxiliary function of physical therapy were concluded in this review. 本文综述了壳聚糖衍生物抗肿瘤性质、作为药物载体应用以及对物理治疗辅助作用。
- Taxpayer: what do you mean by the method of derivation? 纳税人：什么是以支出换算收入？
- Amphiphilic chitosan derivatives 两亲性壳聚糖衍生物
- Every sentence has a canonical derivation. 每个句子都有一个规范推导。
- Our derivation lacks rigour in this regard. 我们的推导在这方面是不严格的。
- Therefore, the derivation was also correct. 从而证明该推导是正确的。
- The derivation will not be given. 求导方法从略。
- Our derivation of the chain rule contains one flaw. 我们推导链式法则的过程中有一个漏洞。
- Derivation from a source; origin. 起源从某一源头起始；源头
- It's derivation involved no approximation. 它的推导过程不含近似处理。
- To make(a word)by derivation or composition. 衍生用派生法或复合法构（词）
