二元酸

分离出的己二酸与混合二元酸的质量比为1∶2，己二酸产品的纯度为99%以上、熔点151~152℃、Pt-Co色号小于50。

The mass ratio of adipic acid to mixed diprotic acid is 1 ∶ 2.The product of adipic acid is characterized by purity over 99 % , melting point 151-152 ℃ and Pt-Co colority less than 50 .

由蓖麻油合成C（21）二元酸的研究

Study on Synthesis of c_ ( 21 ) dicarboxylic acid from castor oil

棉籽油皂脚脂肪酸制备C（21）二元酸工艺的研究

Study on Preparation Process about C_ ( 21 ) Dicarboxylic Acid from Soapstock Fatty Acid of Cottonseed Oil

糖类和pH值的改变对十二碳二元酸发酵的影响

Effect of sugars and pH on the fermentation of decane 1 , 10-dicarboxylic acid

以聚C（9-13）二元酸乙二醇酯为基础的粘接型聚氨酯树脂的合成与研究

Synthesis and Study of Adhesive Polyurethane Resins Based on Polyesters from Ethylene Glycol and C_ ( 9-13 ) Diacids

应用MATLAB优化十五碳二元酸发酵培养基

Medium optimization for pentadecane-dioic acid based on MATLAB

对季鏻与季鉮离子具有电位响应的二元酸酯PVC膜电极

Diester PVC Membrane Electrode for Quaternary Phosphonium and Quaternary Arsonium Cations

油脂合成C（22）二元酸及三元酸的研究

Research on the synthesis of c_ ( 22 ) dicarboxylic acids and c_ ( 22 ) tricarboxylic acids from oils

氨基二元酸的Boc化研究

Study on the preparation of Boc - protected acidic amino acids

利用由聚酯生产中的固体废弃物TA残渣提取的对苯二甲酸和间苯二甲酸的混合二元酸与异辛醇反应制取混合型增塑剂。

A mixed plasticizer was produced with mixed benzo-dicarboxylic acids extracted from TA residue as material to react with 2-ethylhexanol .

十三碳二元酸生产中有机废水的COD值高达上万，且含有高浓度硫酸钠。

The COD of the tridecane dicarboxylic acid wastewater is high about ten thousands , and there is high concentration sodium sulfate in the wastewater .

DSC结果表明，弹性体的玻璃化转变温度（Tg）均在室温以下，随反应二元酸比例的增加，其Tg逐渐降低，这使得材料在人体温度下处于高弹态。

DSC results indicated that the glass transition temperatures ( Tg ) of these material are all below room temperature , which insure the elastomer has high-elastic properties at body temperature .

酰基辅酶A氧化酶（ACO）是热带假丝酵母内二元酸β氧化的限速酶。

Acyl Coenzyme A Oxidase ( ACO ) is the rate-limiting enzyme of the β - oxidation of dicarboxylic acid in Candida tropicalis .

pH电位滴定法测定二元酸稳定常数Ⅰ.样条插值&计算法和Rossotti图解法

Determination of stability constants of binary acids using pH potential titration method ⅰ . spline interpolation-calculation method and rossotti graphical method

长链二元酸（DCA）是制备香料、热熔胶、工程塑料、高档润滑油等的原料。

Long-chain dicarboxylic acids ( DCA ) is a raw material of flavor , hot melt adhesive , engineering plastics and high quality lubricants .

方法：利用半选择性培养基进行发酵剂菌株分离，并采用糖发酵实验和RAPD指纹图谱进行鉴定。热带假丝酵母及其重组菌产十三碳二元酸的补糖发酵实验

Methods : The lactic acid bacteria were isolated by semi-selective medium and were identified by sugar fermentation experiment and RAPD fingerprint . Sucrose-added Fed-batch Culture for 1,11-Dicarboxylic Acid Production by Candida tropicalis and Recombinant Candida tropicalis Strain

石油发酵尼龙（简称PF尼龙）是用石油副产品轻蜡发酵得到的单一或混合二元酸制成的一系列新型均聚和共聚尼龙的总称。

The Petroleum fermentation Nylon ( PF Nylon ) is the name of a series products of homo - and co-polymers Nylon , which consists of single or mixed dibasic acids made from petroleum by-products , light paraffins .

分离过程：溶解温度55℃、溶剂与二元酸用量比30mL∶10g；

The optimum operating conditions are as follows : solution temperature is 55 ℃; the ratio of solvent to binary acids is 30 mL ∶ 10 g ;

通过实验选出催化活性高的催化剂，用于催化合成混合二元酸二甲酯（DBE）。

Then the catalysts of high activities were selected to be used in the preparation of mixed dibasic acid dimethyl esters ( DBE ) .

本文通过热带假丝酵母（Candidatropicalis）氧化正十三烷发酵生产十三碳二元酸，考察了3种β氧化抑制剂对菌体生长及产酸的影响。

The article studies the effects of three kinds of β - oxidation inhibitors on the cell growth and the acid yield in the microbial production of 1 , 13-tridecane dicarboxylic acid ( DC 13 ) based on the oxidation of N-tridecane with the help of Candida tropicalis .

发现PXS和PXO生物弹性体均由溶胶和凝胶两部分组成，所制备的弹性体具有一定的有序结构，随反应二元酸比例的增加，材料表现出一定的结晶性能。

PXS and PXO are all composed of sol and gel , and the elastomer exhibited some ordered structure . With the increase of diacid in the reaction , the elastomer has crystallized structure .

在10L发酵罐和3000L中试装置上，以正构烷烃为原料对重复批式发酵生产长链二元酸工艺进行了研究。

The repeated batch fermentative process for long chain dicarboxylic acids ( DCA ) from alkane was studied . The 10L bioreactor and 3000L pilot plant results showed that the microbe cells from different fermentative times could be applied as seeds for cultivating again .

电位滴定&神经网络法分析混合二元酸

Analyzing Mixed Binary Acid in Potentiometer Titrafiong & Nerve Network Method

混合二元酸萃取&结晶分离的研究

Study on Separation of Mixture of Binary Acids by Extraction-Crystallization Method

正构烷烃重复批式发酵生产长链二元酸

Repeated batch fermentative process for long chain dicarboxylic acid from alkane

由混合二元酸制取过氧化戊二酸

Preparation of Peroxide Of Glutaric Acid From Mixture of Dicarboxylic Acids

以生物发酵的十二碳二元酸为原料合成尼龙612的研究

Study on Synthesis of Nylon 612 from Petroleum Fermentation Dodecanedioic Acid

双亲性淀粉衍生物/橡胶复合材料的制备及性能研究淀粉二元酸单酯类衍生物的合成与应用研究

Preparation and Properties of Amphiphilic Starch Derivatives / Rubber Composite Materials

混合二元酸与乙醇酯化反应动力学研究

Dynamics Research on Esterification Reaction of Mixing Binary Acid with Ethanol

长链二元酸及其延伸产品的生产工艺和应用

Process of producing binary acids with long chain and their derivatives