英语释义

1. a yellow gummy pentosan that yields xylose on hydrolysis and is abundantly present in plant cell walls and woody tissue

片语

oat xylan木聚糖

unhydrolyzed xylan未水解木聚糖

HYDROLYZED XYLAN水解木聚糖

Xylan enzyme木聚糖酶

xylan derivatives木聚糖衍生物

birchwood xylan木聚糖

xylan xanthate[有化]

sugarcane xylan甘蔗木聚糖

xylan hydrolysis木聚糖水解

英汉例句

• xylan accounts for the second concentration of renewable resources as a major hemicellulose in nature.

  木聚糖作为重要的半纤维素，是自然界中除纤维素以外含量最高的可再生资源。

• the improvement of nutrient availiabilities is not significant after xylanase is added into diets until the dietary xylan content is high enough.

  木聚糖酶对饲粮养分真利用率提高效应在高木聚糖水平饲粮中更明显。

• the main product of hydrolyzing xylan is xylobiose, and the present invention is suitable for decomposing xylan in hemicellulose to produce functional oligoxylan.

  水解木聚糖的主要产物以木二糖为主，适合分解半纤维素中的木聚糖生产功能性低聚木糖。

• based on the study of xylanase, the extracting methods and conditions of xylan from corn cob were improved.

  基于对木聚糖酶研究的需要，探讨了从玉米芯中提取木聚糖的工艺条件。

• xylan consisted in bagasse can be transformed into xylose by hydrolysis then changed into xylitol by electrolysis.

  甘蔗渣中的半纤维素可水解转化成木糖，然后电解为木糖醇。

• the result showed that the dp of xylan decreased 54% after enzymolysis with xylanase, and the content of lowpolymerized xylan was 75.4%.

  研究结果表明：木聚糖经酶水解后平均聚合度降低54%，戊聚糖含量为75.4%。

• thisindicated that xylan digestion was mainly occurred in the midgut of larvae, especially in the anterior-midgut.

  这说明星天牛幼虫肠道中木聚糖的消化主要在中肠特别是中肠前部进行。

• with the increase of the xylan contents in broiler diets , the true availabilities of nutrients except p decreased.

  随着木聚糖含量的增加，除p外饲粮养分真利用率降低。

• the changes of the molecular weight distributions of xylan during enzymatic hydrolysis have been investigated with gel filtration chromatography.

  采用凝胶过滤色谱法研究了木聚糖在酶解过程中分子量分布的变化。

• under this condition, the yield of corncob xylan is 16.63% in a 100 l reactor.

  该工艺条件下100l规模中试生产粗木聚糖的提取率为16.63％。

• xylanase degradation of xylan is the most safe and effective method at present.

  目前安全有效的方法就是通过生物技术即利用木聚糖酶降解木聚糖。

• results showed that total sugars yield from enzymatic hydrolysis xylan was 60.10%;

  结果表明，木聚糖的酶水解总糖得率为60.10%；

• the results observed by sem showed that xylan existed in the form of xylan-lignin complex in corncob.

  研究结果表明：玉米芯中木聚糖与木质素结合在一起以木聚糖-木质素复合物的形式存在。

• xylanases could be produced selectively with coarse xylan mixed with cellulose as the carbon source, by controlling culture conditions in fed_batch fermentation.

  以混有少量纤维素的粗木聚糖作碳源，通过分批补料及对培养条件的限制性控制里氏木霉可选择性合成木聚糖酶；

• xylan in nature is a complex of many polysaccharides, and this makes it appears polymorphism and poly-sphere, therefore, it is necessary to classify xylanase of great variety.

  自然界中木聚糖是多种糖类的复合体，这就使得木聚糖酶呈现多态性和多域性，由此需将繁多的木聚糖酶进行归类。

• the xylan existing in grain feed is a major kind of anti-nutritional factors, it can reduce feed digestibility significantly and hinder the growth of livestock and poultry.

  谷物饲料中存在的木聚糖是阻碍营养物质消化的主要抗营养因子之一，它使饲料消化利用率大大降低，阻碍畜禽的生长发育。

• endo-xylanase can transform insoluble arab xylan into water-soluble arab xylan, and then it can improve the flexibility of lattice texture in gluten.

  内切木聚糖酶能将水不溶性阿拉伯木聚糖转化为水溶性阿拉伯木聚糖，从而改善了面团中面筋网络的弹性。

• the primary studies on the extracellular xylanase of the strain h-1 demonstrated that the xylanase was induced by xylan and cellobiose and inhibited by xylose and glucose.

  从碳源利用方面，认为h-1的木聚糖酶为组成型合成。木聚糖和纤维二糖对它有诱导作用，而木糖和葡萄糖对酶的产生有阻抑作用。

• the char yield for cellulose, xylan and lignin decreases with temperature rise, and finally closes to a constant value about 1.5%, 22% and 26%.

  三组分热裂解焦炭产量随温度升高而降低，最终纤维素热裂解焦炭产量为1.5%，而木聚糖和木质素分别为22%和26%。

• because xylooligosaccharide is obtained by the hydrolysis of xylan, this paper also discusses the source and structure of xylan, and various methods of extracting xylan from raw materials.

  由于低聚木糖是由木聚糖水解得到的，本文还论述了木聚糖的来源、结构及从原料中提取本聚糖的各种方法。

• through the rehydrolysis of filtrate xylan after high temperature pyrogenation, xylo-oligosaccharides increased obviously with the highest proportion of 84.93% in filtrate xylan.

  经过对高温热解后上清液木聚糖的二次酶解，其中的低聚木糖组分明显增加，最高可占到上清液木聚糖的84.93％。

• a detailed analysis was made to the releasing process of major volatiles during pyrolysis process, and a two-stage global model was used to simulate xylan pyrolysis.

  对各自热解过程的儿种具有代表性的产物的生成作了分析推理，并分两阶段对木聚糖的热解过程进行了表观动力学模拟。

• the effects of liquid phase environment on the affinity adsorption of active xylanases from trichoderma virides to the insoluble oat-spelt xylan and subsequent desorption was investigated.

  研究了液相环境对绿色木霉木聚糖酶在水不溶性燕麦木聚糖上的亲和吸附及木聚糖酶―木聚糖复合体的解吸的影响。

• theisolation of corn cob xylan the sulfated reaction condition of water insoluble xylan the anticoagulant activity of xylan sulfate and the anticoagulant mechanism werestudied in this paper.

  本文主要对玉米芯木聚糖的提取，水不溶性木聚糖的硫酸酯化条件，酯化衍生物的抗凝血活性及抗凝血机制等进行了研究。

• the products formed during the hydrolysis process of different xylan by xylanase a were analyzed by hplc method.

  采用hplc法分析上述底物的降解产物生成过程发现，不同木聚糖底物的降解产物中三糖的积累量都较高；