简要介绍了半纤维素的结构及其化学改性原理和方法，综述了近几年国内外半纤维素化学改性的研究状况；
The structure, principles and methods of chemical modification of hemicelluloses are briefly introduced, and the latest development of chemical modification of hemicelluloses is reviewed.
也有的是纯粹的化学，将纤维素分解成一种氢和碳的气体混合物，然后再将其合成更为有用的东西。
And some go for pure chemistry, breaking the cellulose down into a gaseous mixture of hydrogen and carbon monoxide before building it back up into something more useful.
众所周知，赛璐璐虽价格低廉，能仿制质量较好的传统材料，它却是取自化学处理的棉花和别的含有赛钱璃纤维素的蔬菜之中。
But celluloid, which had developed a reputation as a cheap mim-ic of better traditional materials, was de-rived from chemically treated cotton and other cellulose-containing vegetable matter.
初级形状的其他品目未列名的纤维素及其化学衍生物。
Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.
食品应用中不需要化学净化，因为纤维素细胞壁材料是所有果蔬和其它产品的成分。
Chemical purity is not required for food use because cellulosic cell-wall materials are components of all fruits and vegetables and many of their products.
这种叫做人造丝的纤维，是用化学药品处理纤维素制成的。
Called artificial silk, the fiber was made by treating cellulose with chemicals.
随着炼油厂，一些化学品也可以说，以帮助单独纤维素的木材。
Along with the refiners, some chemicals can also be added to help separate the cellulose from the wood.
植物纤维纸是图书资料和纸质档案的载体材料，其主要化学成分是纤维素、半纤维素和木素。
Vegetal fibrous paper, whose main chemical composition are fibrin, half-fibrin and lignin, is the carrier material of books, data and paper files.
讨论了淀粉、粗玉米粉及可以被淀粉所依附的纤维素框架的化学结构及性质，它们可能成为一系列用途广泛的干燥剂。
The starch, corn grits, and cellulose frame adhered with starch may be a series of desiccants with broad uses, and their chemical structures and properties are reviewed.
纺织品。定量化学分析。第8部分：醋酸和醋酸纤维素混合（丙酮法。
Textiles - Quantitative chemical analysis - Part 8 : mixtures of acetate and tiacetate fibres (method using acetone).
介绍了超临界水的物理化学性质以及它在纤维素水解、废水处理和超细造粒等方面的作用。
This paper introduces the physical and chemical characteristics of supercritical water, and its use of cellulose hydrolysis, supercritical water oxidation and superfine granulation.
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.
当木屑相结合的化学品在一个沼气池，以破纤维素，它产生所谓的化学纸浆。
When wood chips are combined with chemicals inside a digester in order to break down the cellulose, it produces what is known as a chemical pulp.
粉碎度与堆肥化学参数：纤维素、半纤维素含量呈负线性相关，与木质素无相关性。
There is significant linear correlation between the grinding degree and chemical parameters of compost including hemicellulose and cellulose, while there is no significant correlation with lignin.
林产资源包括纤维素、半纤维素、木质素、萜类化合物、酚类化合物等树木的主要化学组成。
Forest resources include the main chemical components of wood, namely cellulose, hemicellulose, lignin, terpenoids and phenolics.
纤维素酶能够明显改善漂白麦草浆滤水性能，其作用机理和一般化学助剂不同，酶处理后的浆料有较好的抄造性能、纸张有较好的匀度。
Cellulase can apparently improve the drainage of bleached wheat pulp, the mechanism of this action is different from that of conventional chemical agent.
聚乙烯醇和羧甲基纤维素都是水溶性高分子，通常采用化学法、物理法和辐射法进行交联。
Polyvinyl alcohol and sodium carboxymethyl cellulose are water soluble polymers, which are generally cross-linked by chemical method, physical method and radiation method.
该文简述了纤维素物理、化学、生物预处理、酶糖化、发酵酒精生产工艺及研究进展。
The physical, chemical and biological pretreatment, enzyme saccharification, alcohol fermentation technology and research development were stated in this paper.
色素、果胶、橙皮甙和纤维素是目前柑橘皮的几种主要深加工产品，在化学工业和食品工业中有很高的应用价值。
Some deeply processed products of orange peel such as yellow pigment, pectin, hesperidins and dietary fiber have high application value in chemical food industry.
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.
方法采用DEAE -纤维素柱色谱和凝胶渗透色谱分离纯化，化学和光谱方法分析其结构特征。
Methods DEAE-Cellulose and gel-filtration chromatography were used to isolate and purify the polysaccharides, whose structures were characterized by chemical and spectral methods.
目的：研究酸、二氧化碳、甜味剂、羧甲基纤维素等化学因素对龙葵色素稳定性影响。
Objective: To study the influence of such chemical agents as acid, CO2 food sweetening agent and carboxymethyl cellulose (CMC) on the stability of the pigment of Solanum Nigrum.
方法采用DEAE -纤维素柱色谱和凝胶渗透色谱进行分离纯化，化学和光谱方法分析其结构特征。
Methods DEAE-cellulose and gel-filtration chromatography were used to isolate and purify the polysaccharides whose structures were characterized by using chemical and spectral methods.
纤维素、木质素和淀粉三元均相结构绿色复合膜，上海复爱绿色化学技术有限公司，张雷。
Ternary Homogeneous Phase Structural Green Composite Film Based on Cellulose, Lignin and Starch, Shanghai Forever Green Chem. Tech. Co., Ltd, Zhang Lei.
研究了对于羟丙基纤维素（HPC）基板进行表面修饰时，基板表面状态的调控对基板表面化学接枝的影响。
The control of the hydroxypropyl cellulose (HPC) substrate surface and its influence on the surface graft modification of HPC was studied.
本文对高取代度氰乙基纤维素（HCEC）的制膜工艺进行了初步研究，并考察了膜的化学稳定性和渗透选择性。
In this paper, the fabrication technology of the HCEC membrane has been preliminary studied. The chemicals ability and permselectivity of the membranes were investigated.
纤维素可被降解并通过发酵转变成乙醇、燃料和其他化学产品。
It can be degraded and transformed into ethanol, fuel and other chemical products by fermentation.
纤维素及其衍生物是制造纤维和功能性物质的基本原材料，可通过纤维素的化学反应来寻求一种较有实际意义的应用途径。
Cellulose and its derivatives are basic materials for manufacture of fibres and functional materials. A more practical way of application can be explored through chemical reactions of cellulose.
方法采用DEAE-纤维素柱色谱和凝胶渗透色谱进行分离纯化，化学及光谱方法进行结构分析，并进行免疫及降血糖药理活性测试。
METHODS DEAE-cellulose and gel-filtration chromatography were used to isolate and purify the polysaccharide whose structure was characterized by using chemical and spectral methods.
方法采用DEAE-纤维素柱色谱和凝胶渗透色谱进行分离纯化，化学及光谱方法进行结构分析，并进行免疫及降血糖药理活性测试。
METHODS DEAE-cellulose and gel-filtration chromatography were used to isolate and purify the polysaccharide whose structure was characterized by using chemical and spectral methods.
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