异氰酸酯与不同含水率纤维素反应机理很复杂，存在多种机理同时存在；当与绝干纤维素反应时主要是相界面机理。
The phase interface mechanism controls the reaction of isocyanate with dry cellulose, when water exists, the mechanism is very complicated, and some mechanisms coexist.
第二种方法也被称作“反应炉裂解法”：利用高温和压力将纤维素生物质转换成长烃链，这种长烃链和汽油、柴油、喷气式发动机燃料相类似。
A second process, called thermochemical pyrolysis, USES high temperatures and pressures to convert cellulosic biomass into long hydrocarbon chains that are similar to gas, diesel or jet fuel.
甲氧基基团可以和纤维素上的羟基反应形成稳定的醚键。
Methylol groups react with the hydroxyl groups of the cellulose to form stable ether linkage.
酸减量整理中，纤维素的水解是一个均相水解反应。
The hydrolysis of cellulose is a homogeneous phase reaction in acid-peeling finishing.
口腔健康差的人在血液检查中也发现了纤维素原，C反应蛋白等炎性因子。
People who reported poor oral hygiene also tested positive for bloodstream inflammatory markers such as fibrinogen and C-reactive protein.
采用正交试验法探讨了乙酸、盐酸等稀酸降解植物纤维素的最佳反应条件。
The optimal reaction conditions of degrading plant cellulose with acetic and hydrochloric acid were discussed by cross experiments.
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.
另外，以CDC分别与2 -氨基吡啶、3 -氨基吡啶反应合成了两种新型的纤维素衍生物。
Additionally, two new cellulose derivatives were synthesized by reaction of CDC with 2-aminopyridine and 3-aminopyridine, respectively.
当被净化的纤维素与氢氧化纳溶液反应产生一种膨胀碱性纤维素时，HPMC就产生了，这种纤维素在化学上比没有经过处理的纤维素更易起反应。
HPMC is prepared when a purified form of cellulose is reacted with sodium hydroxide solution to produce a swollen alkali cellulose that is chemically more reactive than untreated cellulose.
研究表明，H3BO3与杉木粉中的羟基发生了缩合反应，纤维素的结晶被破坏；
The results showed that hydroxyl groups of H3BO3 reacted with the hydroxyl groups of fir powder, and thus the crystalline phase of cellulose was destroyed.
例如有机锡的稳定剂可以和羧甲基纤维素分子的不稳定氯原子配位结合，有机锡和不稳定的氯原子发生置换反应。
For example, the stabilizer of organotin compounds can be combined with the unstable chlorine atom of the carboxymethyl cellulose molecule, and the organotin and unstable chlorine atoms are replaced.
纤维素在该反应过程中没有发生明显的降解。
The cellulose has no obvious degradation during the reaction.
该固体酸可用作纤维素的水解、烷基化反应、生物柴油制备等反应的催化剂。
The solid acid can be used as the catalyst of hydrolyzation of cellulose, alkylation reaction, biodiesel preparation and other reactions.
采用纤维素与过量的氯乙烷及氢氧化钠反应，以甲苯为稀释剂，用一步法成功地合成了乙基纤维素。
Ethyl cellulose was synthesized successfully in one-step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.
当碱性纤维素与盐酸的钠盐反应，羧甲基醚钠盐生成。
When alkali cellulose is reacted with the sodium salt of chloroacetic acid, the sodium salt of the carboxymethyl ether (cellulose-O-CH2-CO2-Na +) is formed.
本文综述了半纤维素稀酸水解反应的研究进展。
In this paper, the progress of hemicellulose hydrolysis reaction with dilute acid is reviewed.
深入了解生物质中纤维素的超低酸水解机理，在水解反应系统中研究了水解糖产率和纤维素转化率的影响因素。
To find out the extremely low acid hydrolysis mechanism of cellulose in biomass, effect factors of the reducing sugar yield and cellulose conversion ratio were studied in hydrolysis reacting system.
并在分析纤维素一次反应、挥发份二次裂解以及各主要产物的生成和演变过程基础上，探讨得到完整统一的纤维素热裂解机理模型。
On the basis of the analysis of primary reaction, secondary reaction and main products formation, the mechanism model of cellulose pyrolysis was proposed.
串联式生物反应器性能稳定，在重复分批发酵工艺中，连续10批纤维素对乳酸的转化率平均为89.6%。
The bioreactor is quite stable, and the average lactic acid yield of repeated 10 batches is 89.6%.
简要介绍了高碘酸盐氧化纤维素的研究情况，主要包括：氧化机理、 氧化反应的特点、高碘酸盐氧化纤维素的性能研究。
The information about the cellulose oxidized by periodate is reviewed, mainly including the mechanism of oxidation, the characteristics of oxidation, the properties of DAC.
纤维素醚是以天然纤维素(棉桨粕或木桨粕)为基本原料，经过碱化、醚化反应而生成的一系列产品的总称。
As natural cellulose linter pulp raw materials, HEC is the name of a series of products after alkalization and etherification.
由于其具备良好的压锭性，以及低化学反应活性，使得微晶纤维素被认为是目前最有用的直接压锭赋形剂之一。
Because it equipped with an excellent compactibility and a low chemical reactivity, it makes the MCC to become one of the most useful excipient of direct compression tableting.
建立了固定化纤维素酶的反应动力学模型，该模型以米氏方程为基础并考虑了产物竞争性抑制的影响。
A kinetics model was developed for predicting and simulating immobilized cellulase performance, which follows Michaelis_Menten kinetics with competitive product inhibition.
以棉纤维为原料，在均相反应状态下合成了一种新型推进剂用含能黏合剂—叠氮纤维素。
A new high energetic bonder intermediate azidodeoxycellulose for solid propellant was synthesized from the raw material cotton linters under homogeneous conditions.
本文综述了纤维素在超临界水中水解糖化的反应机理、反应动力学和反应设备，以及反应产物和不同反应条件对产物组成的影响。
It is focused on conversion mechanism, kinetics and reactor, as well as reaction product and the effects of reaction conditions on product composition distribution.
粘胶的生产过程包括纤维素与氢氧化钠反应形成碱纤维素的过程。
Viscose manufacturing process involves the reaction of cellulose with sodium hydroxide to form an alkali cellulose.
粘胶的生产过程包括纤维素与氢氧化钠反应形成碱纤维素的过程。
Viscose manufacturing process involves the reaction of cellulose with sodium hydroxide to form an alkali cellulose.
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