lignin reaction
英
美 [ˈlɪgnɪn riˈækʃn]
木素反应；木质素反应
双语例句
- Preparation of Lignin Supported Palladium Catalyst and Its Catalytic Properties for Heck Reaction
木质素负载钯催化剂的制备及对Heck反应的催化性能 - Use of Lignin Model Compound to Study the lignin Reaction During Pulping at a Small Molecular Level
借助木素模型物从分子水平研究木素在制浆中的反应 - Change of lignin content and defense enzyme activity during resistant reaction to late blight in potato
马铃薯晚疫病抗性反应中木质素及防御酶活性的变化 - Syringic acid is used as the model compound of lignin to study the reaction mechanism of laccase catalysed decomposition process of syringic acid and the reaction mechanism of laccase catalysed decomposing lignin.
使用与木质素结构单元相似的丁香酸（syringicacid）作为木质素模型化合物，研究漆酶催化丁香酸降解的过程及机理，进而来推断漆酶催化降解木质素的复杂生化反应过程。 - Structural Characteristics of Alkali Lignin in Deoxidation Reaction Catalyzed by CuO/ C Catalyst
CuO/C催化还原碱木质素的化学结构特征 - In both woods, chlorine reacted very rapidly with lignin but the extent of reaction was greater in the secondary wall than in the cell corner middle lamella.
无论是云杉或是桦木，细胞角处的胞间层或次生壁的木素都极易和氯反应。 - 【 Conclusion 】 The results suggest that the accumulation of HRGP and the deposition of lignin in cell wall are related to resistant reaction of cucumber to downy mildew, and it is considered a biochemical response of cucumber to downy mildew.
结论HRGP的积累和细胞壁的木质化与黄瓜对霜霉病的抗性反应有关，是寄主抗病反应的生化机制之一。 - 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.
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。 - Extraction in dioxane indicated that the hydroxymethyl lignin took part in the solidification reaction of novolac.
二氧六环抽提结果表明，羟甲基化木质素参与了固化交联反应。 - Lignin are natural polymers with inertness of reaction.
木质素是天然高分子聚合物，具有一定的化学反应惰性。 - The thermochemical characteristics and the pyrolysis of mill wood lignin ( MWL) of bagasse in nitrogen were investigated with thermogravimetric analysis ( TGA) reaction system and combined Pyrolysis Gas Chromatography Mass Spectrometry ( Py GC MS).
本文采用热失重、热解气相色谱质谱联用等分析方法，分析了蔗渣磨木木素的热化学特性，同时对蔗渣磨木木素快速热解过程进行了初步研究。 - After hydrogenolysis of wheat alkali-oxygen lignin, the lignin has more hydroxyl, which can easily promote the reaction activity of synthesis of macromolecular material.
对氧碱木质素进行氢解后，经基比例明显提高，更有利于提高合成高分子材料的反应活性。 - The new synthesis products expand the application of the lignin extremely. This paper summarizes the research development of Mannich reaction of lignin model compounds and lignin after reviewing the mechanism of Mannich reaction.
文章在概述Mannich反应机理的基础上，对木质素模型化合物的Mannich反应及木质素的Mannich改性研究进展进行了综述。模型的适用范围。 - 40 products are synthesized by the variation of modification parameters, which are the species of lignin, reaction ratios of Mannich Reaction and acylation, and the number of carbon atoms in aliphatic acyl chloride.
通过改变木质素的种类、酰化反应的投料比以及脂肪酰氯的碳链长度等参数，合成了40只不同的改性木质素磺酸盐产品。 - A series of modified lignosulfonates containing aliphatic amide residues were prepared from kraft lignin ( wood and straw) via a modification route, including Mannich Reaction with aliphatic polyamine, acylation by oleyl chloride and sulfomethylation.
以草浆或木浆碱木素为原料，经过与脂肪多胺的曼尼希反应、与油酰氯的酰化反应和磺甲基化反应，合成了一系列含有酰胺结构的改性木质素磺酸盐表面活性剂。 - There are reactions of oxidation and hydrolysis of Fe and substitution of alkaline lignin in the anode, and there is hydrogen evolution reaction on the cathode.
阳极及其附近有铁的氧化与水解反应，碱木素的取代反应； - Guaiacyl and p-hydroxy phenyl structure of the lignin are the main positions for sand stabilization material synthesis cross-link reaction, and the reaction probability of guaiacyl and p-hydroxy phenyl structure in lignin is almost the same.
合成固沙材料的交联反应主要发生在木质素的愈创木基和对-羟基苯基结构上，并且愈创木基结构和对-羟基苯基结构发生交联反应的概率基本相同。 - The higher fatty amine/ formaldehyde modified lignin quaternary ammonium salts ( KL-F-HFA-QASs) cationic asphalt emulsifiers were made by the Mannich reaction and O-alkylation reaction. The effects of some factors on the Mannich reaction were discussed.
采用温和的Mannich反应和O-烷基化反应，制得了高级脂肪胺/甲醛改性木质素季铵盐阳离子沥青乳化剂，对影响Mannich反应的一些因素进行了探讨。 - The lignin from black liquor is modified through Mannich reaction to compound a kind of ca-( tionic) surfactant-lignin amine.
以造纸黑液中提取的木质素为原料，通过Mannich反应使木质素胺化改性合成阳离子木素胺； - After analysis: The lignin degradation reaction by ozone is a first order reaction, the reaction rate is accelerated with the increase of lignin concentration and reaction temperature.
第二，对木质素降解反应的基本动力学参数&浓度和温度进行了研究，经测定分析：木质素的臭氧降解反应属一级反应，反应速率随木质素浓度和温度的增加而加快。 - When lignin is heated, the chemical reaction of oxidation, condensation would occur. The hydroxyl group were oxidized to quinones, conjugated and non-conjugated carbonyl, which resulting in the darkening of wood color.
木素受热会发生氧化、缩合等反应，造成其结构中醌类、共轭和非共轭羰基增加，从而导致木材受热后颜色变深。 - Kinetic model of kraft pulping was established, lignin removing reaction belonged to two-order reaction.
建立了硫酸盐法脱木素过程的动力学模型，研究结果表明，绿竹蒸煮过程中，木素的脱除反应为二级反应。 - The chemical modification of lignin and 1,2-epoxy propane in the presence of alkali metal hydroxide and organic solvent and the catalyst, the reaction should be carried out at temperature above the glass transition temperature of lignin.
经纯化后的木质素与环氧丙烷进行化学改性，加入适当的碱金属氢氧化物、溶剂、引发剂对改性反应有利，改性温度高于木质素的玻璃态温度。