Cellulose derivative, chemical ( excl. cellulose acetates, cellulose nitrates and cellulose ethers in primary forms) Changes in physiochemical properties of grass carp ( Ctenopharyngodon Idellus) myofibrillar protein during heat-treatment 纤维素化学衍生物(不包括乙酸纤维素,硝酸纤维素、和纤维素醚类原状)草鱼肌原纤维蛋白加热过程中理化特性的变化
Effect on the Chemical Components in Flue-cured Tobacco by Pectinase and Cellulose 果胶酶和纤维素酶对烤烟中化学成分的影响
Preparation of Macrocyclic Antibiotics and Their Derivatives Chiral Stationary Phases and Study of Enantiomers Separation; cellulose derivative, chemical ( excl. cellulose acetates, cellulose nitrates and cellulose ethers in primary forms) 大环抗生素及其衍生物手性固定相的研制与药物对映体分离研究纤维素化学衍生物(不包括乙酸纤维素,硝酸纤维素、和纤维素醚类原状)
The main physical and chemical properties and practical application of microcrystalline cellulose are described. 介绍了微晶纤维素系列产品在国民经济中的应用。
Thermal Properties of Solid Phase Change Materials of Chemical Modified Cellulose 化学改性纤维素固态相变材料的热性能研究
The pharmaceutical excipients which are made form cellulose include cellulose ester, cellulose ether and cellulose ester and ether. The performance, chemical structure and applications of pharmaceutical excipients from cellulose were reviewed in this paper. 作为医药辅料,纤维素衍生物包括纤维素醚,纤维素酯和纤维素醚酯,文中综述了天然纤维素基医药辅料性能、化学结构及其应用。
Methods The EBV-DNase extract obtained through combined chemical induction was purified with multistage of gradient linear cellulose column chromatography. 方法采用多重纤维素柱层析对用联合化学诱导的方法制备的EBV-DNase粗提物进行纯化。
Various pretreatment methods, both physical and chemical, to increase the reactivity of cellulose before esterification are reviewed. 综述了纤维素酯化前提高纤维素可及度和反应性能的各种物理和化学的预处理技术及其发展;
This paper introduces the physical and chemical characteristics of supercritical water, and its use of cellulose hydrolysis, supercritical water oxidation and superfine granulation. 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。
Forest resources include the main chemical components of wood, namely cellulose, hemicellulose, lignin, terpenoids and phenolics. 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。
Chemical Modification of Cellulose Membrane and Study on the Gas Permeability of Modified Membrane 纤维素膜的化学改性及气体渗透性能研究
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. 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。
Sensitivity of deference cellulose on steam explosion is deference, this is closely correlated with physical structure, chemical structure and porosity of cellulose; 不同纤维素对蒸汽闪爆的反应程度不一样,这和纤维素的物理、化学结构和孔隙度密切相关;
Structural Changes and Chemical Reactivity of Cotton Cellulose Treaded by the Steam Explosion 棉纤维蒸汽闪爆改性及其化学反应性能
The test indicated that the oil dregs of seabuckthorn seed contained more than ten kinds of chemical components, especially rich protein, carbohydrate, edible cellulose, potassium, magnesium, chromium, selenium and manganese, etc that the body needed. 实验结果表明,油渣中含有十多类化学成分,特别是含有丰富的蛋白质、糖类、可食纤维素、钾、镁、铬、硒和锰等人体必需的营养成分。
Chemical Modification and Reactive Dying for Cellulose Fibers 纤维素纤维的化学改性与反应性染色
Based on these, chemical evenness of microstructure of H.E-Polyanionic cellulose and other Na-CMC was discussed. E-聚阴离子和其他CMC-Na的化学微结构均匀性作了讨论。
The antibiotic membrane was obtained by chemical crosslinking of antiphlogistic antibiotic pankrin and ethyl cellulose. Its antibiotic performance was studied. 将具有消炎、抗菌功效的蛋白酶与乙基纤维素薄膜以化学交联法聚合形成抗菌性薄膜,并对其抗菌性能进行了研究。
A study on the effects of pretreatment by chemical activation on the fine structure and reactivity of cellulose fiber 预处理对纤维素微结构和反应性能影响的研究
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. 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。
The results showed that by adding chemical foaming agent larger pore structure was formed in the cellulose sponge, and the water absorption, moisture retention capacity and the softness of sponge were improved. 结果表明:发泡剂的添加使海绵中形成孔径更大的气孔结构,从而对孔隙率、吸水保湿性及柔软性起到提高作用。
The ratio can be improved to increase the energy density from biological and chemical method of decomposing the cellulose in straws into low-molecule compounds such as pentoses, hexoses, methanol, hexanol, CO2, methane and hydrogen. 通过生物和化学的方法将秸秆中纤维素降解并产生五碳糖、六碳糖、甲醇、己醇、CO2、甲烷、氢气等低分子化合物,就能够提高碳氢比并增加能源密度。
Nowadays, a novel method for preparing cellulose fibre is developed in the world. It directly dissolves pure cellulose, not using conventional chemical converting methods, and keeps the cellulose native characteristics. 直接利用溶剂溶解天然纤维素制备纤维是目前国际纺织工业中兴起的制备纤维素纤维新方法,它能充分保留纤维素的天然特性。
Compact crystal structure can seriously block the interaction between chemical reagent or solution and cellulose. 致密的晶体结构严重阻碍了化学试剂或溶剂与纤维素分子中羟基的有效接触和作用。
In this study, a green chemical method of isolating cellulose from wheat straw was developed. The whole separation process was carried out in aqueous phase under atmospheric pressure, which opened up a way for the green production of cellulose. 本实验发展了一种以小麦秸秆为原料,分离其中纤维素的绿色化学方法,整个分离过程在水体系及常压下进行,为纤维素工业的绿色化生产开辟了途径。
Traditionally, the chemical method to break down cellulose uncontrollable, costly and environmental pollution, but the biological degradation of cellulose effectively overcome these problems. 传统上采用化学方法控制纤维素降解难度大、成本高,对环境污染严重,而纤维素的生物降解有效克服了这些问题。
However, in chemical process of paper pulping, lignin must be extracted from the cellulose fraction that is the material of paper making with polluting and cost-increasing methods. 然而纸浆生产主要是将原料中的木质素与用于造纸的纤维素分离,该工艺过程产生了造纸工业的主要污染废液,并且增加造纸成本。