碱木素是一种来源丰富、价格低廉的可再生资源。
实验研究了磺化碱木素用作混凝土减水剂的性能。
Performance of sulfonated alkali lignin used as water reducer for concrete was experimented.
麦草碱木素在碱催化下经脱甲基改性可提高其反应活性。
The reactivity of wheat straw soda lignin(WSSL) can be improved by demethylation modification.
简单介绍从造纸黑液中提取的碱木素在农业生产中的应用。
The paper provides a brief introduction to the application of alkali lignin extracted from black liquor in agricultural production.
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.
以麦草碱木素为原料,采用氧化磺化法,制备了磺化碱木素减水剂。
The lignosulfonate water reducing agent was prepared via oxidation and sulfonation of wheat straw alkali lignin.
以制浆黑液的碱木素为原料,采用反相悬浮法,制备出球形木质素珠体。
The black liquor from the pulping process was adopted to prepare the spherical lignin beads, denoted as SLB, by the reversed-phase suspension technique.
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.
叙述了利用碱法制浆废液中的碱木素同苯酚,甲醛缩合制取结构材料粘合剂的方法。
The methods for preparing plywood adhesive by condensing phenol and formaldehyde with alkaline lignin in waste water are described.
黑液是碱法造纸的工业废液,黑液中含有碱、碱木素和表面活性剂等多种化学成分。
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.
用稻草碱木素与其他肥料营养元素配制成的复合肥可提高农作物产量,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.
本文叙述了利用碱法制浆废液中的碱木素同苯酚、甲醛缩合制取结构材料粘合剂的方法。
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.
碱木素可作农药缓释剂生产缓释肥料和土壤改良剂等,为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.
碱木素可作农药缓释剂生产缓释肥料和土壤改良剂等,为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.
应用水溶性凝胶渗透色谱法测定了碱木素的分子量,与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.
尤为严重的是碱法制浆产生的麦草碱木素由于水溶性和表面活性差而难以在工业上得到广泛应用,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.
利用碱性条件下酚化改性的麦草碱木素代替部分苯酚制备了高木质素/苯酚比例和胶粘强度高的木质素酚醛树脂(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.
将合成出的具有特定结构的复合型固体碱催化剂,与溶有纯化碱木素的四氢呋喃建立起多相催化体系,对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 .
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.
研究了碱抽提乙醇麦草浆纤维表面的形貌学特征、化学组成和木素的分布。
The microscopic morphology, chemical composition and lignin distribution of alkaline-extracted ethanol wheat straw pulp were studied using AFM and XPS.
草类纤维原料碱法脱木素的区域化学特性及其对制浆工艺的影响等。
The topochemistry of alkaline delignification of grasses and its effects on the pulping technique were also discussed.
探讨了半纤维素预提取对桉木纤维形态及碱法制浆后浆料性能的影响。
The effects of hemicellulose pre-extraction on eucalyptus fibre morphological characteristics and pulp properties after AQ-NaOH cooking were investigated in this paper.
已鉴定的化合物类型涉及生物碱、三萜、甾体、木脂素等化合物类型。
All these compounds were composed of alkaloids, triterpenoids, steroids, lignans and so on.
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 .
经浓缩,脱糖或经过化学处理的木浆残余碱液,包括木素磺酸盐(妥尔油除外)
Residual lyes from the manufacture of wood pulp, concentrated, desugared or chemically treated, including lignin Sulphonates (excluding tall oil)
经浓缩,脱糖或经过化学处理的木浆残余碱液,包括木素磺酸盐(妥尔油除外)
Residual lyes from the manufacture of wood pulp, concentrated, desugared or chemically treated, including lignin Sulphonates (excluding tall oil)
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