随树龄的增加,LCC中木素含量有所增加。
木聚糖对酸溶木素含量变化没有明显的影响。
How-ever, amounts of acid soluble components of lignin treated with and without xylans were no difference.
亚硫酸盐针叶木浆颜浅,木素含量相对较低。
Softwood sulfite pulp is light colored and contains a comparatively small amount of lignin.
原竹的化学成分中,半纤维素、木素含量相对较高。
In the chemical composition of raw bamboo, hemicellulose and lignin have relatively high contents.
结果表明,异氰酸酯指数和改性木素含量对聚氨酸性能有影响。
It showed that isocyanate index (the ratio of NCO to OH) and lignin content influenced the properties of synthesized polyurethane.
在总木素含量相同的条件下,非木浆的表面木素覆盖率要高于针叶木浆。
At the same bulk lignin content level, the surface lignin coverage was found to be higher in the non - wood pulp than in the softwood pulp.
卡伯值是纸浆质量的重要指标,而纸浆中的木素含量决定了纸浆的卡伯值。
Kappa number is an important quality index of pulp, and it is determined by the quantity of lignin in pulp.
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.
经活化处理后纸浆中木素含量降低,残余木素中的羰基和酚羟基增多,聚糖中的羰基也增多。
Lignin content in the pulp descreases, while carbonyl and phenolic hydroxylgroups in the residual lignin increase, and so do carbonyl groups in polysaccharides, after theactivating treatment.
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.
商品八角莲总木脂素含量则与产地有较大关系。
The total lignans content of Dysosma versipellis is related to the habitat.
目的:建立马尾松松针提取物中总木脂素的含量测定方法。
Objective: to establish a method for the content of total lignans in extract of pine needles of Pinus Massoniana Lamb.
从甲氧基含量高以及红外光谱中各吸收峰可知在竹材木素中富含丁香基。
The bamboo lignin is rich in syringyl units, which is indicated by a high methoxyl content and respective bands in the IR spectrum.
【目的】研究中国新育油用亚麻品种(系)木酚素含量与基因型和地点的关系。
Objective】 This study is to determine the relative contributions of genotypes and the interactions between genotype and location on variation of lignan contents in flaxseeds.
通过比较木素磺酸盐和模型物接枝前后酚羟基的含量和碱性硝基苯氧化产物得率的变化,对接枝反应位置进行了研究。
The graft site was studied by comparing the phenolic contents, yields of alkaline nitrobenzene oxidation products of lignosulfonates, model compounds and their copolymers.
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.
相反,增加碱木素中的竣基含量则能使纸页强度有所提高。
On the contrary, the strength of paper can be further improved when the amount of carboxyl groups in AL increases.
结果表明,随贮藏时间延长,绿芦笋细胞壁半纤维素的主要降解物木糖、岩藻糖残基增加了211.2%,纤维素的主要降解物葡萄糖残基增加了329.3%,木质素含量增加了280.3%。
The results indicated that glucose derived from cellulose of cell walls, xylose and fructose derived from semi-cellulose and lignin content increased 211.2%, 329.3% and 280.3%, respectively.
结果表明,稻草碱木素具有较高的游离腐殖酸含量,其活性高,肥效好;
The results showed that alkali lignin of rice straw is a good fertilizer raw material. It has high dissociable humic acid content and good fertilizer efficiency.
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。
Xylan accounts for the second concentration of Renewable resources as a major hemicellulose in nature.
图谱分析表明,蔗渣碱木素主要由紫丁香基,愈创木基和对羟苯基三种丙烷结构单元组成,其中未绩合的紫丁香基、愈创木基和对羟羊基含量比为2。
The spectrum showed that BSL was composed mainly of syringl (S), guaiacyl(G) and p-hydroxylphengl (H) units, and the ratio of three uncondensed group (S:G:H)was 2.
结果表明:黑荆枝丫材锯屑的蛋白质、木素、戊聚糖、淀粉、磷和钙等含量均比杂木屑高,是栽培食用菌的优质培养料。
Results show that sawdust of black wattle branches which contains more protein, lignin. pentosan, starch, P and Ca etc. than the ordinary mixed sawdust is a good substrate.
结果:纯种发酵淡豆豉中染料木素和大豆黄素的含量均高于自然发酵。
Results: Contents of genistein and daidzein in SSP by pure breed fermentation were all higher than by natural fermentation.
该方法简单、快速,非常适用于阔叶木和禾本科植物半纤维素提取液中混合糖含量的同时测定。
Therefore, as a simple and rapid method, it is quite appropriate for measuring mixed sugars of pentoses and hexoses in the extraction liquor from hardwood or graminaceous plant.
该方法简单、快速,非常适用于阔叶木和禾本科植物半纤维素提取液中混合糖含量的同时测定。
Therefore, as a simple and rapid method, it is quite appropriate for measuring mixed sugars of pentoses and hexoses in the extraction liquor from hardwood or graminaceous plant.
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