简要介绍了三类木纤维素增强复合材料的性质,指出最终的目标是制备符合环保要求完全生物降解的复合材料。
Properties of the three types of composites arebriefly described with the final goal of obtaining the fully biodegradable composites to fit new environmental requirements.
半纤维素被分割成主要的建筑块——一种称为木糖的糖,然后木糖被热水冲洗走。
The hemicellulose separates into its chief building block, a sugar called xylose, which can then be washed away with hot water.
木糖的有效利用是木质纤维素全利用的基础。
Efficient use of xylose is the basis for using lignocellulose completely.
木霉纤维素酶基因的克隆与表达研究进展。
The clone and expression of cellulase gene of trichoderma spp.
植物纤维纸是图书资料和纸质档案的载体材料,其主要化学成分是纤维素、半纤维素和木素。
Vegetal fibrous paper, whose main chemical composition are fibrin, half-fibrin and lignin, is the carrier material of books, data and paper files.
以提取的半纤维素作为选择性碳源,可用来制备分离筛选木聚糖酶产生菌的分离培养基;
The extracted hemicellulose were used as selective carbon source for selective medium to separate and screen xylanaseproducing strains.
结果表明,红树林真菌起着半纤维素降解者的作用,沿海红树林环境中存在着可资利用的木聚糖酶产生菌。
The results indicate that the mangrove fungi act as hemicellulose decomposers in the mangrove environment where highly xylanase-productive isolates can be searched for exploitation.
在以后剩余蒸煮时间里,脱木素速率大于纤维素的脱出速率。
During the reminder of the cooking period, the lignin is removed at a greater rate than the cellulose.
本发明公开了一种由棉、木、麻、竹混合生产的复合纤维素新型浆粕及其制造方法。
This invention discloses a compound fiber new-type slurry pulp and it's making method.
本文对绿色木霉产纤维素酶发酵条件的研究现状、分离纯化及生产应用做了简要的叙述。
This paper briefly introduces the recent researches of the cellulose-producing conditions of Trichoderca viride. The purification and application of cellulose are also described here.
研究了玉米秸秆稀酸预处理条件对木糖得率和纤维素酶水解性能的影响。
The effects of conditions of dilute-acid pretreatment of corn stalk on xylose recovery and performance of cellulase were investigated.
目前已经发现有九个菌属可以产生细菌纤维素,其中以醋酸杆菌属的木醋杆菌产纤维素能力最强。
It was found that nine bacterial can produce bacterial cellulose, among them the wood acid bacilli cellulose has the most effective produtivity.
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%。
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%.
木材腐朽真菌,如木霉,在它们附着在表面后,可分泌全部种类的纤维素酶。
Wood decay fungi, such as Trichoderma sp., after they attach themselves to the surface, secrete a whole family of cellulolytic enzymes.
桔秆等同时制得木糖,葡萄糖,草酸,木质素和纤维素的无污染方法。
Concurrent xylose, glucose, oxalic acid, lignin and cellulose-producing pollutionless process with straw as material.
结果表明,粗木聚糖和亚硫酸盐纸浆混合作为碳源有利于木聚糖酶和纤维素酶的合成;
The results show that the mixture of corncob xylan and sulfite pulp as carbon resource could stimulate the synthesis of xylanase and cellulase;
研究确定,浆中结晶纤维素含量取决于木素脱出程度并随着木素含量的降低而增加。
The content of the crystalline fraction in lignocellulose depends on the lignin removal and increases with the decrease of the lignin content.
本文对植物纤维素水解渣高温加压水解生产乙酰丙酸和综合利用制木素活性炭的工艺进行了探讨。
In this paper, The residua of lignocellulose hydrolysis were as raw materials for producing levulinic acid and lignin active carbon. The technology and reaction condition are optimized.
考虑到现有漂白处理工艺的高温高碱条件,耐热、耐碱和低纤维素酶活的木聚糖酶成为生物漂白用木聚糖酶的首选。
As high temperature and high alkaline bleaching process, heat, alkali and low cellulase activity of xylanase is the first choice of xylanases for biobleaching .
研究表明,纤维素和半纤维素水解产生的葡萄糖和木糖被重组酵母S。
The results showed that glucose and xylose liberated from cellulose and hemicellulose in corn stover were rapidly fermented to ethanol by S.
进一步利用里氏木霉纤维素酶和固定化纤维二糖酶的协同作用,纤维原料的酶解得率可高达88.2%。
Under the synergetic reaction of T. reesei cellulase and immobilized cellobiase, the yield of hydrolysis was raised to 88.2%.
焦木素,木棉一种极易燃的硝酸纤维素,用于制造股棉。
A highly flammable nitrocellulose used in the manufacture of collodion, plastics, and lacquers.
木聚糖的加入使纤维素降解有所下降,但由于半纤维素含量较少,可以认为木聚糖的加入对半纤维素降解的影响很小。
Addition of xylans enhanced degradation of cellulose but threw no effect on the change of hemicellulose in the process of culture.
低纤维素酶活木聚糖酶在合适的酶解条件下,能降低轻量涂布纸二次纤维中细小组分含量,增加浆料的滤水速度。
Cellulasepoor xylanases can reduce the content of fines in the light weight coated secondary fibers and increase drainage rate under appropriate enzymolysis condition.
研究了羧甲基纤维素酶、半纤维素酶、多酚氧化酶、愈创木酚氧化酶和漆酶的酶活性变化。
The enzymes activities of carboxymethyl cellulase, hemicellulase, polyphenol oxidase, guaiacol oxidase, and laccase were studied.
对以淀粉和纤维素为原料的发酵制燃料酒精技术进行了比较,对木糖基因工程菌的构建及发酵工艺的国外新进展进行了讨论。
Different raw materials including cellulose and starch for ethanol fermentation are compared, and some new methods, for instance, recombinant xylose microorganisms are also discussed.
纤维素胶:由木纤维获得的纤维素胶;可溶于水,用来代替阿拉伯胶或合成胶。
Cellulose gum: a water soluble gum derived from wood fibre cellulose, used as a substitute for lithographic gum Arabic and synthetic gums.
已有的研究表明,低等木食性白蚁对木质纤维素等植物源食物的消化主要与其肠道共生微生物有关。
It has been shown that the symbiotic gut microbiota in wood-feeding lower termites plays an important role in the digestion of different plant components.
已有的研究表明,低等木食性白蚁对木质纤维素等植物源食物的消化主要与其肠道共生微生物有关。
It has been shown that the symbiotic gut microbiota in wood-feeding lower termites plays an important role in the digestion of different plant components.
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