水解催化剂

Effect of catalyst concentration、bath ratio、oxygen quantity inputted and reaction time on the perfo...

针对于此，本文考查了催化剂用量、浴比、通氧量、反应时间对玉米淀粉水解氧化物性能的影响。

Corn starch can be oxidated and hydrolyzed to polymer which contains multi-carboxyl in the presence of the alkali、oxygen and catalyst.

玉米淀粉在碱、氧气和催化剂作用下可氧化水解得到一种含有多羧基的聚合物。

Technical parameters application ＊ egg and milk products including rich fat milk powder,cocoa milk powder, milk powder,eggwhiteetc.＊ food and plant juice including oats,chickenjuice,coffee,speedy dissolving tea,flavorign,protein,bean,peanut protein,protein solution etc.＊ sugar series including corn syrup,com starch,amylaceum,pectin barley sugear,pltassium sorbate etc.＊ pharmaceutical products including chinese medicine extract,pharmiglucin,vitamin,antibiltie,amylase,lipase,protease etc.＊ plastic resins including ab,abs emulsion,pollopas,phenolic resin,,melamac,polyethylene,pvc etc.＊ detergents including normal,high grade washing powder,soap power,soda ash,emulsifier,brightener,phlphoric agent etc.＊ chemical products including sodiumfluoride,basis dye/colour,dye intermediate,compoumd fertilizer,catalyzer,sulphuric agent,amino acid and white carbon etc.＊ ceramics including aluminum oxide,ceramic tile material,magnesium oxide,speckstone etc.＊ others including aluminum hydroside,calcium chloride,staric acid agent etc.

料液桶d皿mof，awmatehalliquid 应用食品工业蛋奶制品富脂奶粉、胳肮，可可奶粉、代乳粉、蛋清等食物及植物汁燕麦鸡汁，咖啡，速溶茶，调味香料肉，蛋白质，大豆，花生蛋白质、蛋白质水解物等糖类玉米浆、玉米淀粉，葡萄糖，果胶、麦牙糖，山梨酸钾等化学工业氟化钠、碱性染料颜料、染料中间体、复合肥、甲茎硅酸、催化剂、硫酸剂、氨基酸、白碳黑等医药用品中药浸膏、药胶、酵母、维生素、抗生素、淀粉酶、脂肪酶、蛋白酶等塑料树脂 ab、abs乳液、尿醛树脂、酚醛树脂、密胶甲醛树脂、聚乙烯、聚氯乙烯等洗涤剂高级洗衣粉，普通洗衣粉、肥皂粉、苏打粉、乳化剂、增白剂、磷酸剂等陶瓷氧化铝、态砖材料、氧化镁、滑石等其它氢氧化铝、氯化钙、硬脂酸剂等冷却喷雾技术参数

In the present dissertation, a surfactant-templated mesoporous silica molecular sieve with high pore volume, high porosity and narrow bimodal mesopore size distribution was synthesized for the first time in a reaction system, which was used usually in the synthesis of mesoporous MCM-41 molecular sieves, by a judiciously controlled two-phase sol-gel processing under basic conditions.

在本论文中，我们通过对一个通常用于制备介孔MCM-41分子筛的反应体系中正硅酸乙酯水解与缩合反应相对速率的精确调控，首次在弱碱性体系中合成了一种具有高孔隙率、大孔体积和双介孔孔分布特征的新型二氧化硅分子筛材料，简记为BMS，并对BMS二氧化硅分子筛中双介孔结构形成的原因及各种可能对其结构和性质产生影响的合成因素如Ammonia／silica摩尔比、组分浓度的变化、表面活性剂烷基链长度的调节、辅助有机物均三甲苯的引入、催化剂的结构和性质、溶剂和助溶剂的极性和用量、老化和干燥条件的变化及合成后水热处理等，利用不同的测试手段如XRD，SEM，TEM，〓Si MAS NMR，TG-DTA，N〓吸附测试等进行了系统的表征研究。

The experiment is based on self-devised dilute acid hydrolysis device and takes corn straw as the raw material. The orthogonal test was used to optimize 4 factors, namely H2SO4 concentration, corn stover granularity, the melt salt catalyst species and concentration. The yield of oligosaccharide was used the index in the orthogonal test.

该文基于自行设计的高温高压反应装置，以玉米秸秆为原料，以还原糖得率为指标，采用正交实验设计对硫酸浓度、秸秆粉碎度及金属盐助催化剂种类与浓度四种水解条件进行了研究。

And therefore it has the potential applications in green chemistry and chemical process,organic reactions areas.The literature review section of the thesis gave a brief introduction of the important applications in the green chemical process as well as the status of organic reactions research in NCW,and also summarized the applications in different kind of reactions such as hydrolysis,dehydration/hydration,alkylation,acylation, Diels-Alder reactions,rearrangements,condensations,hydrogen isotope exchange reaction,oxidation-reduction reaction,organometallic reactions.

论文的综述部分简要介绍了近临界水在绿色化工过程中的重要应用价值和国内外在近临界水中进行有机化学反应的研究现状，以及以近临界水作为反应溶剂或催化剂在水解反应、脱水/水合反应、烷基化、酰基化、Diels-Alder反应、重排反应、缩合、氢同位素交换反应、氧化还原反应、有机金属反应等反应类型中的应用。

The specificity of hydrogen ion catalysts, for example, is very broad, whereas many enzymes perform only a single function, such as hydrolysis of a single bond or bond type.

例如，氢离子催化剂的催化范围特性很宽，反之，许多酶执行的只是单一的功能，譬如一种单键或一种键型的水解。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。