酸化的

In this paper, the direct esterification of carboxylic acid and alcohol by using dealuminated USY as catalyst was studied.

研究脱铝USY 催化羧酸与醇的直接酯化反应，考察了催化剂硅铝比对酯化反应的影响及不同类型酸酶酯化的一般规律。

Fluorin boric acid acidification system's acid liquid delay corrode,matching,delay velocity capability,sullage test,iron ion stabilization test,depend expanding capability was evaluated through static state and rock core acidification dynamic test.

对石南油田选用的氟硼酸酸化体系从酸液缓蚀性能、配伍性能、缓速性能、残渣试验、铁离子稳定试验、防膨性能等方面进行了较全面的室内静态评价和岩芯酸化动态评价。

In order to advance the viscosity of acidizing fluid and decrease the reaction speed of acidizing fluid in oil formation,adopt the method of opposite phase emulsim polymerization synthetised an acidizing fluid densifier,it called TP-1,its molecular weight is(800～1100)×10.laboratory findings discovers the acid dissolving time of TP-1 is smaller than 10 min,its dissolv...

性能评价试验结果显示，稠化剂TP-1的酸溶时间小于10 m in，具有很好的溶解能力；TP-1对酸液的增黏作用明显，(4%TP-1+20%HC l)酸溶液90℃下表观黏度达到46 mPa.s，120℃下表观黏度27 mPa.s。同时TP-1表现出较强的耐剪切能力和良好的配制稳定性，有利于酸化措施效果的提高。

Based on reviewing of functionalization of saturated carbon by catalytic oxidation with metalloporphyrins and metal phthalocyanines as a mimic of the enzyme cytochrome P-450, two reaction systems of which one was the preparation of 4, 4'-dinitrostilbene-2, 2'-disulfonic acid from 4-nitrotoluene2-sulfonic acid and the other was the preparation of 4, 4'-bis (dimethylamino -diphenyl) phenylmethanol from 4, 4'-bis (dimethylamino-diphenyl) phenyl methane , were specifically studied as carfunctionalization and oxyfunctionalization of saturated carbon.

本文在全面综述金属卟啉和金属酞菁类模拟细胞色素P-450酶催化剂催化氧化饱和碳原子功能化的基础上，选择由4-硝基甲苯-2-磺酸制取4，4'-二硝基二苯乙烯-2，2'-二磺酸和由4，4'-二苯基甲烷制取4，4'-二苯基甲醇两个反应体系进行饱和碳原子碳功能化和氧功能化的具体研究。

The complexity of the methylarginine mark is enhanced by the ability of this residue to be methylated in three different ways on the guanidino group: monomethylated, symmetrically dimethylated and asymmetrically dimethylated, each of which has potentially different functional consequences.

根据将S-腺苷甲硫氨酸(S-adenosylmethionine，AdoMet)上的甲基转移到精氨酸的胍基氮上产生甲基化的不同方式，最终可以分为三类：单甲基化、对称性双甲基化和非对称性双甲基化。

This results indicated the shallow sulphonation processcondition same white oil production condition were viable,under the un-effectssulphonate quality and received rate condition, the shallow sulphonation processwould not effect petroleum sulphonate output,due to reduce process flow,improvedproduction efficiency and benefit.

工业试验证明浅度磺化工艺是可行的，该工艺条件与生产工业白油时的磺化条件基本一致，在不影响磺酸盐质量和收率的情况下，浅度磺化抽余油质量均符合润滑油基础油质量指标，浅度磺化工艺不会影响石油磺酸盐的产量，由于缩短了工艺流程反而会提高生产效率和效益。

Experiment on the transesterification and esterification of acidified soybean oil has been studied.

试验研究了大豆酸化油在复合酸催化剂的作用下与甲醇发生转酯化和酯化反应生成脂肪酸甲酯的最佳反应条件。

The repeated using and catalytic activity of these solid acid catalysts have been studied in the synthesis of biodiesel using acidified soybean oil as raw material.

试验研究了大豆酸化油在复合酸催化剂的作用下与甲醇发生转酯化和酯化反应生成脂肪酸甲酯的最佳反应条件。

The invention uses the fermentation liquor of one Escherichia coli generating polysialic acid as material, filters and removes thallus, adds some solvents as sodium chloride and alcohol into supernatant to deposit polysialic acid, dissolves the polysialic acid deposits via deionized water, filters to remove modified protein, uses alkali prolease to treat filtrate, complexes deposits via cetyl pyridinium chloride or cetyltrimethylammonium bromide, and dissociates, uses over alcohol to deposit polysialic acid, dissolves the deposits via ultra-pure water, grades and purifies via chromatography column, collects and dialyzes eluent, cools and dries to obtain polysialic acid.

本发明以一株产聚唾液酸大肠杆菌的发酵液为原料，经过过滤去除菌体，上清液加入适量氯化钠和乙醇等溶剂沉淀出聚唾液酸，聚唾液酸沉淀用去离子水溶解，再用过滤去除变性蛋白质，滤液经过碱性蛋白酶处理、氯代十六烷基吡啶或十六烷基三甲基溴化铵络合沉淀并解离后，再用过量乙醇沉淀出聚唾液酸，聚唾液酸沉淀用超纯水溶解，用层析柱进行分级纯化，收集洗脱液经过透析，冷冻干燥得聚唾液酸产品。

Yi TAI Compounded Medication "we used bases on the basic theory of TCM,set up "The treatment of invigoratmg spleen and promoting blood by regulating qi",target defiency in origin and excess in superficiality TCM syndrome nature,and take experiments;our research injecting L-Arg into abdomen to induce Spleeh-asthenis rat model,it is a new model which combine diseases and syndromes;immunohistochemic 、 optical mirror and biochemistry value number index number are used to detect the expression of related constrain factor TGF-β_1 mRNA、α-SMA when textnre fabrosis occurs in pancreatic,as nell as significance and relation of hydroxyproline in the process of pancreatic fibrosis,meanwhile observe the disturbace which "Yi TAI Compounded Medication makes,revel the anti-fibrosis mechanism from organization form and molecular level.

本研究采用L—精氨酸分次腹腔注射诱导脾虚型慢性胰腺炎大鼠模型，是一种病证结合的新模型；用免疫组化、光镜等技术和生化指标检测CP时胰实质纤维化的相关调控因素TGF-β_1、α-SMA的表达和血清中羟脯氨酸在胰腺纤维化过程中的作用及相互关系，同时观察了&胰泰复方&对其干预机理，从组织形态学和分子水平揭示了该方抗纤维化的作用机制。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。