• 木素一种来源丰富价格低廉再生资源

    Alkali lignin is an abundant, cheap and renewable resource.

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  • 实验研究了磺化木素用作混凝土减水剂性能

    Performance of sulfonated alkali lignin used as water reducer for concrete was experimented.

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  • 麦草催化下脱甲基改性提高其反应活性

    The reactivity of wheat straw soda lignin(WSSL) can be improved by demethylation modification.

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  • 简单介绍造纸黑液中提取木素农业生产中的应用

    The paper provides a brief introduction to the application of alkali lignin extracted from black liquor in agricultural production.

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  • 相反增加碱木素中的含量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.

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  • 麦草为原料,采用氧化磺化法,制备了磺化碱木素水剂

    The lignosulfonate water reducing agent was prepared via oxidation and sulfonation of wheat straw alkali lignin.

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  • 制浆黑液为原料,采用反相悬浮制备球形体。

    The black liquor from the pulping process was adopted to prepare the spherical lignin beads, denoted as SLB, by the reversed-phase suspension technique.

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  • 结果表明稻草具有较高的游离腐殖酸含量,其活性高,肥效

    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.

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  • 叙述了利用制浆废液中的碱木素苯酚甲醛缩合制取结构材料粘合剂方法

    The methods for preparing plywood adhesive by condensing phenol and formaldehyde with alkaline lignin in waste water are described.

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  • 黑液法造纸的工业废液,黑液含有木素表面活性剂多种化学成分

    Black liquor is the waste liquor from paper mill by basic process. It consists of many chemical components, such as alkali, alkaline lignin and surfactant.

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  • 稻草木素其他肥料营养配制成复合肥提高农作物产量降低施肥成本

    Compound fertilizers made of the alkali lignin and other fertilizer's elements can increase the yields of crops and reduce costs of fertilizer application.

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  • 本文叙述了利用法制浆废液中的木素苯酚甲醛缩合制取结构材料粘合剂方法

    The methods for preparing structural material bonding agent by condensing the alkaline lignin in the wast liquor of soda pulping process with formaldehyde and phenol are described.

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  • 农药缓释剂生产缓释肥料土壤改良剂等,为工业木素应用开辟了新的途径。

    In agricultural production, alkali lignin can be used as pesticide slow release agent to produce slow release fertilizer and soil amendment.

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  • 农药缓释剂生产缓释肥料土壤改良剂等工业木素的应用开辟了新的途径

    In agricultural production, alkali lignin can be used as pesticide slow release agent to produce slow release fertilizer and soil amendment. This provides a new way to utilize industrial lignin.

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  • 应用水溶性凝胶渗透色谱测定分子量脂溶性凝胶渗透色谱法的测定结果基本一致。

    In this paper, we present a method to determine the molecular weight of alkali lignin directly by using aqueous gel permeation chromatography with Ultrahydroge.

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  • 尤为严重制浆产生麦草木素由于水溶性表面活性差而难以工业得到广泛应用,从而造成对环境的严重污染。

    It is difficult for alkali lignin of wheat straw produced by alkaline pulping to be widely used in industry because of its poor solubility and surface activities.

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  • 利用条件下化改性麦草代替部分苯酚制备了/苯酚比例胶粘强度酚醛树脂(LPF胶粘剂

    The lignin-based phenol formaldehyde (LPF) adhesive with high ratio of lignin to phenol and strong adhesive was prepared by using the wheat straw soda lignin (WSSL) phenolated in alkaline medium.

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  • 将合成出具有特定结构的复合型固体催化剂溶有纯化的四氢呋喃建立多相催化体系碱木素进行了多相催化羟甲基化作用。

    A heterogeneous catalytic system for methylolation of alkali lignin was constituted of tetrahydrofuran containing purified alkali lignin and solid alkali catalyst with special structure .

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  • 图谱分析表明蔗渣碱木素主要紫丁香基,愈创基和对羟苯基种丙烷结构单元组成,其中未绩合紫丁香、愈创基和对羟羊基含量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.

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  • 研究抽提乙醇草浆纤维表面形貌学特征、化学组成木素分布

    The microscopic morphology, chemical composition and lignin distribution of alkaline-extracted ethanol wheat straw pulp were studied using AFM and XPS.

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  • 类纤维原料法脱区域化学特性及其制浆工艺影响等。

    The topochemistry of alkaline delignification of grasses and its effects on the pulping technique were also discussed.

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  • 探讨半纤维预提取纤维形态制浆浆料性能影响

    The effects of hemicellulose pre-extraction on eucalyptus fibre morphological characteristics and pulp properties after AQ-NaOH cooking were investigated in this paper.

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  • 已鉴定化合物类型涉及生物、三甾体化合物类型。

    All these compounds were composed of alkaloids, triterpenoids, steroids, lignans and so on.

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  • 考虑到现有漂白处理工艺高温条件耐热纤维酶活的聚糖酶成为生物漂白用聚糖酶的首选

    As high temperature and high alkaline bleaching process, heat, alkali and low cellulase activity of xylanase is the first choice of xylanases for biobleaching .

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  • 浓缩,脱糖经过化学处理残余包括木素磺酸盐(妥尔除外

    Residual lyes from the manufacture of wood pulp, concentrated, desugared or chemically treated, including lignin Sulphonates (excluding tall oil)

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  • 浓缩,脱糖经过化学处理残余包括木素磺酸盐(妥尔除外

    Residual lyes from the manufacture of wood pulp, concentrated, desugared or chemically treated, including lignin Sulphonates (excluding tall oil)

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