英语释义

1. to remove acetyl from (a compound) usually by hydrolysis

片语

deacetylation reaction脱乙酰化反应

Histon deacetylation组蛋白去乙酰化

Histone Deacetylation组蛋白去乙酰化

deacetylation chitin脱乙酰甲壳质

intermittent deacetylation间歇脱乙酰法

chitosan deacetylation壳聚糖脱乙酰度

complete deacetylation完全脱乙酰度

deacetylation degree脱乙酰度

homogeneous deacetylation均相脱乙酰

英汉例句

• The effect of N acylation on the solubility and crystallinity of chitosan and the effect of reactive time, temperature and proportion on degree of deacetylation were investigated.

  研究了N-酰化反应对壳聚糖溶解性能和结晶性能的影响以及反应时间，温度，配比对脱乙酰度的影响。

• High degree of deacetylation and low molecular Chitosan L-lactate which has good solubility in water has good antibacterial effects.

  高脱乙酰度低分子量壳聚糖l -乳酸盐将具有良好的水溶性和抑菌效果。

• We also studied on the clarification effect of chitosan treatment with different deacetylation degree and molecular weight, and storage stability of clarified kiwifruit juice.

  分别用具有不同脱乙酰度和相对分子质量的四种壳聚糖澄清猕猴桃果汁，研究了不同壳聚糖的澄清效果和澄清后猕猴桃清汁的贮藏稳定性。

• Under the suitable conditions, the deacetylation degree is more than 75% for 7 minutes.

  在较适宜的条件下，7分钟内脱乙酰度可大于75％。

• The preparation conditions of chitosan and the chitosan with higher deacetylation degree are investigated. The preparation methods of some derivatives of chitosan are also introduced.

  研究了壳聚糖的制备条件。同时对高脱乙酰度壳聚糖的制备进行了探索。探讨了一些壳聚糖衍生物的制备方法。

• The chitosan was prepared from chitin by deacetylating and the degree of deacetylation was 83%.

  甲壳素通过脱乙酰化制备壳聚糖，脱乙酰度可达83%。

• Histone acetylation and deacetylation can regulate many chromosome functions, such as gene expression and chromosome segregation.

  组蛋白乙酰化和去乙酰化可调节染色体的多种功能，例如基因表达和染色体分离等。

• The factors which affect the deacetylation degree of chitosan and the viscosity, e. g. reaction time, base concentration and food rate are discussed.

  并讨论了影响壳聚糖脱乙酰度和粘度的因素，例如，反应时间，堿浓度，料比。

• In deacetylation degree, pupa shell of M. domestica and shell of Euplyphaga chitosan was relatively higher than others.

  从几丁糖质量角度看，采用家蝇蛹壳和地鳖虫壳可制备脱乙酰度较高的几丁糖；

• For preparing chitosan resin of high deacetylation degree and high cross-linking degree, chitin is taken as raw material and orthogonal test is adopted to determine technological condition.

  以甲壳素为原料，采用正交试验法确定制备高脱乙酰度和高交联度的壳聚糖树脂的工艺条件。

• Studies had shown that acetylation and deacetylation of histone are of certain value on t, B cell「s development, differentiation, maturation, secretion and surface factor」s expression etc.

  研究表明，组蛋白的乙酰化与去乙酰化状态，可作用于T、B细胞的发育、分化、成熟、分泌及表面因子的表达等多个方面。

• Results The degree of deacetylation of chitosan was found to be about 80%.

  结果壳聚糖澄清剂的脱乙酰度约80 %，在澄清液中壳聚糖残留量小于0。

• Histone acetylation contributes to expression of gene, while histone deacetylation leads to repression of gene expression.

  组蛋白乙酰化促进基因表达，而去乙酰化则抑制基因表达。

• A dissolving precipitated method has been developed for the preparation of chitosan having a high degree of deacetylation in the presence of ethyl alcohol.

  以乙醇为反应介质，采用溶解沉淀法制备了高脱乙酰壳聚糖。

• The effect of degradation conditions on the degree of deacetylation and instinct viscosity of chitosan is also studied.

  采用正交设计，探讨降解条件对产物脱乙酰度、特性粘度等的影响。

• The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.

  采用正丁醇-氢氧化钠反应体系，以十六烷基三甲基溴化铵为相转移催化剂，制得脱乙酰度为92%的壳聚糖。

• The kinetics of heterogeneous deacetylation of chitin in alkaline solution under microwave irradiation in sealed and opening container were investigated in this paper.

  比较了微波场中密闭式及开放式条件下，甲壳素非均相堿法脱乙酰反应的动力学情况。

• This work first carries on the water content, the degree of chitin deacetylation of the merchandise chitosan.

  本工作首先对商品壳聚糖进行水份含量，脱乙酰度等性能测定；

• The degree of deacetylation of chitosan prepared by the optimum condition is 88.53%, the viscosity average molecular mass is 9048. The experimental result mainly accorded the prospective desire.

  最佳制备条件得到的壳聚糖脱乙酰度为88.53%，黏均分子质量为9048。实验结果基本符合预期的要求。

• Chitosan which also is called soluble chitin is obtained by deacetylation of chitin.

  壳聚糖由甲壳素经脱乙酰基而得，又称为可溶性甲壳素。

• The effect of chitosan with different molecular weight and deacetylation degree on blood hemostasis was tested.

  研究了不同脱乙酰度和不同分子量壳聚糖醋酸溶液的凝血作用。

• Effects of the degree of deacetylation (DD) on the properties of chitosan.

  脱乙酰度对壳聚糖材料性能的影响。

• The acetylation and deacetylation of histone is charged by a pair of protea se with antistatic function on each other, which are histone transacetylase and histone deacetylase.

  组蛋白乙酰化和去乙酰化由一对功能相互拮抗的蛋白酶——组蛋白乙酰基转移酶和组蛋白去乙酰化酶负责。