木质纤维素组分结构复杂,未处理的木质纤维素很难直接被微生物和酶降解。
Due to the special structure, untreated lignocellulosic was not able to be degraded directly by microbial and enzyme.
最后重点介绍了新纤维、非纤维素纤维及多组分纤维纺织品的染色。
At last, the dyeing processes of new fiber, non cellulose fiber and multi components fiber were introduced.
结果表明,不同预处理方法均使剑麻纤维组分分离,杂质含量降低,纤维素含量提高。
Results show that, after pretreated, the contents of cellulose of sisal fiber increase and the contents of lignin decrease.
之后果肉软化是由PG、纤维素酶作用引起果胶质、纤维素等细胞壁组分降解所致。
Afterwards, flesh softening was caused by the degradation of cell wall components such as pectin and cellulose, which were brought about by the action of PG and cellulase.
纤维素和木质素在较高温度下热解,表现为第二步热解,是竞争的平行一级反应,产物分别是挥发性组分和竹炭。
The second step of bamboo pyrolysis could be considered as the pyrolysis of cellulose and lignin to volatile matter and char, and well described by a parallel first-order reaction model.
结果建立了半刚性链纤维素衍生物增塑体系组分相容性界限与溶剂化参数间关系。
Results An equation relating the stoichiometry of solvation between solvents molecule and cellulose derivative to the limit of compatibility was established.
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%.
以聚偏氟乙烯(PVDF)为第二组分聚合物与三醋酸纤维素(CTA)共混,通过冻胶法纺丝工艺制备成中空纤维纳滤膜。
Hollow fiber NF membrane was prepared with blending of PVDF as the second component polymer and CTA, and by spinning process with gelation method.
总多糖经二乙氨基乙基纤维素(DEAE 52)柱层析,分离得到两种均一组分。
Two homogenital components were obtained by column chromography using cellulose DEAE-52 as fixed phase.
由于天然纤维素酶来源广泛,组分复杂,其分离纯化相当困难,使单一组分酶的应用受到一定的限制。
Because of diversity of nature cellulase sources, complexity of multi-components and difficult of separation, application of single cellulase component was much restricted.
精炼的纤维素粉末可作为食品的一种组分。
A purified cellulose powder is available as a food ingredient.
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.
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 yield of pyrolysis coke decreased with the increase of temperature, and the yield of cellulose pyrolysis coke was 1.5%, while the yield of three and lignin were 22% and 26% respectively.
能够产生纤维素酶的微生物的产酶能力低下,且所产生的酶的组分不全或不平衡。
Microorganism that can produce cellulase has low ability to produce enzyme, and the components of the produced enzyme are incomplete or unbalanced.
纤维素酶基因工程的主要难题是如何实现不同组分的有效表达和如何提高表达量。
The main problem in genetic engineering of cellulase is how to achieve effective expressions of different components and how to improve the expression level.
采用DEAE—纤维素离子交换柱层析法对红枣多糖进行组分分析,可得到五种多糖组分。
Using DEAE-Cellulose to separate the polysaccharides from jujube Mill, five content has been acquired.
以木薯渣为纤维素材料,利用稀酸预处理和绿色木霉产的纤维素酶对植物中的纤维素进行降解,同时,分析了木薯渣的主要组分。
Dilute acid and cellulose were applied to specific degradation of cellulose which came from the plant, and the chief composition of cassava dregs were analyzed at the same time.
鱼皮的胃蛋白酶限制性水解产物经DEAE-纤维素柱层析后得到了三个组分。
The pepsin hydrolysate of deep-sea redfish skin was separated into three fractions by DEAE-cellulose column chromatography.
结果表明,在薄膜玻璃面一侧,聚乙烯醇浓度高于纤维素,而在乙醇而一侧则无组分浓度的差异。
The results showed that the PVA is richer than CELL at the glass-side surface of the blend films, whereas, on selectivity is detected at the ethanol-side...
将荧光定糖法与滤纸酶活测定法相结合应用于纤维素酶蛋白组分及土壤纤维素酶活力的研究与测定。
For the measurement of low concentration enzyme, the filter paper activity and fluorescence assay methods were combined.
将荧光定糖法与滤纸酶活测定法相结合应用于纤维素酶蛋白组分及土壤纤维素酶活力的研究与测定。
For the measurement of low concentration enzyme, the filter paper activity and fluorescence assay methods were combined.
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