Phase behaviour and morphology of mixed binary systems of phosphatidylcholine with stearic acid at the air/ water interface 磷脂酰胆碱与硬脂酸二元混合系统在空气/水界面上的相行为和形态学特征研究
Diethylene glycol binary m-methyl benzoate was synthesized with diethylene glycol and m-methyl benzoic acid in the presence of tetrabutyl titanate. 以间甲基苯甲酸和二甘醇为原料,钛酸四丁酯为催化剂合成了二乙二醇二间甲基苯甲酸酯。
Phase Transition Capability of the Binary System Capric Acid-Myristic Acid 癸酸-十四烷酸二元体系的相变性能
The Syntheses of Five-membered Heterocycles by Binary Catalyst System; Acid treatment of support on the performance of catalysts combined with heat storage function 二元双功能催化剂催化合成五元杂环化合物载体酸处理对蓄热-催化双功能催化剂性能的影响
Dynamics Research on Esterification Reaction of Mixing Binary Acid with Ethanol 混合二元酸与乙醇酯化反应动力学研究
The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis. 介绍用甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。
NMR studies of binary and ternary complexes for EU with 1,10-Phenanthroline and pyridine-2, 6-dicarboxylic acid 邻啡啰啉&吡啶2,6二甲酸铕二、三元配合物的NMR研究
Catalytic Synthesis of Binary Acid Esters by Cupric Sulfate 硫酸铜催化合成二元酸系列酯
The volume of kerogen fatty acid is over three times that of enhanced kerogen fatty acid, and the former has much larger relative abundance of straight chain binary acid than the latter. 干酪根脂肪酸赋存量是强干酪根脂肪酸的3倍以上,且前者直链二元酸的相对丰度大大高于后者。
By using p-aminobenzene sulfonic acid as the detection reagent, the indirect photometric high-performance liquid chromatography of binary acid is investigated. The factors that affect retention and sensitivity of detection are discussed. Guidelines are given for optimization of the separation. 以对氨基苯磺酸为检测试剂,研究部分脂肪二元酸的间接光度高效液相色谱,探讨影响色谱保留的因素,确定最佳色谱分离条件,提出新的分离测定脂肪二元酸的间接光度高效液相色谱系统。
Method to synthesizing binary copolymer scale inhibitor XD-1 from acrylic acid ( AA) and sodium allyl sulphonate ( SAS) as monomers using ammonium persulfate as initiating agent, water as solvent was given. 介绍了以丙烯酸(AA)和烯丙基磺酸钠(AS)为单体,过硫酸铵为引发剂,水为溶剂合成二元共聚物防垢剂XD-1的方法。
Studies on Indirect Photometric Reversed-Phase Chromatography of Binary Acid 脂肪二元酸的间接光度反相色谱研究
The effects of solution temperature, the ratio of solvent to binary acids and crystallization on the purity and yield of glutaric acid were examined. 考察了溶解温度、溶剂用量和结晶过程对戊二酸纯度和收率的影响,并确定了分离与提纯的最佳工艺条件。
Epoxidized polybutadienes ( PB) with various contents of epoxy oxygen were prepared in chloroform form liquid polybutadiene with number-average molecular weight < 3000 and equal binary microstructure at room temperature in the presence of organic carboxylic acid and hydrogen peroxide as epoxidizing agents. 数均分子量小于3000、等二元结构的液体聚丁二烯,用有机酸与过氧化氢作环氧化剂,氯仿作溶剂,在室温下可得到不同环氧氧含量的环氧化聚丁二烯。
Analysis of binary acid mixtures by extraction method 二元混合酸的萃取分析
The europium binary and quaternary complexes with m-phthalic acid and 1,10-phenanthroline were prepared in the ethanol solution. 在乙醇溶液中合成了铕与间苯二甲酸二元配合物和铕与间苯二甲酸、1,10-邻菲罗啉的四元配合物。
The vacuum dehydration method is often used for producing polyurethane in industry, that is, in the condition of vacuum, the binary acid and the polyol are condensed for synthesizing the certain molecular weight polyester polyol with catalyst acetate. 工业上生产聚酯多元醇常采用真空脱水法,即在真空条件下以醋酸盐为催化剂,二元酸和二元醇进行缩聚反应,合成一定分子量的聚酯多元醇。
And by compounding and titrating the mixed sample and imitating the network. we can analyse the mixed binary acid. 再对合成样品进行配制和滴定,通过网络的模拟,即可较准确地测出混合体系中各组份的含量。
Process of Cyclohexanone Oxidation to Lauryl Binary Acid 环已酮氧化法制备十二碳二酸工艺
Determination of Binary System Hexadecanol-capric Acid Phase Change Temperature as a Phase Change Material ( PCM) for Energy Storage 相变储能材料十六醇-癸酸二元体系相变温度的测定
Based on two-step method, a series of biodegradable polyamides copolymer belonging to aliphatic were designed and synthesized, which produced by materials of glycolic acid, diamine, binary acid and the like. 采用二步法设计合成了一系列以乙醇酸、二元胺和二元酸等为原料的可生物降解的脂肪族聚酯-酰胺共聚物。
Vapor-liquid equilibria for two binary systems of crotonic aldehyde with acetic acid and vinyl acetate 醋酸-巴豆醛、醋酸乙烯酯(VAC)-巴豆醛系统的汽液平衡研究
Some low molecular weight products, such as alkyl hydrocarbon, ketone, aldehyde, ester, carboxylic acid and binary carboxylic acid were detected in the ( degraded) films. 其光降解产物中含有低分子量的烷烃、酮、醛、酯、一元羧酸和二元羧酸等。
The binary and ternary solid complexes of rare earth Eu3+ and La3+ with pyridine-2,6-dicarboxylic acid ( H2DPC) and1,10-phenanthroline are synthesized. 合成了稀土铕、镧与吡啶-2,6二甲酸形成的二元配合物及铕与邻菲罗啉和吡啶-2,6二甲酸形成的三元配合物。
The process and operating conditions for preparing peroxysuccinic acid from the mixture of binary acids which was the by-product of preparing adipic acid were studied. 研究了直接利用生产己二酸副产的混合二元酸制取过氧化丁二酸的工艺过程和操作条件;
Results: After the solid peracetic acid disinfectant in binary package was stored at 37 ℃ for 90 days, its peracetic acid content decreased by 1.23%. 结果,固体过氧乙酸消毒剂二元包装经37℃存放90d,过氧乙酸含量下降率为1.23%。
The method regards not only the trending factor of every amino acid appearance in protein secondary structure, but also the value of amino acid hydrophobicity, and binary form is used to express all kinds of amino acid. 该编码是根据氨基酸出现在每种二级结构中的倾向因子以及氨基酸的疏水性值进行分类,并以二进制形式来表示每类氨基酸。
Formation of sulfuric acid aerosol form a binary mixture of sulfuric acid and water is one of the most important processes of secondary particles formation in troposphere, which can seriously affect the atmospheric radiation balance and climate change directly or indirectly. 由硫酸-水组成的二元混合物形成硫酸气溶胶过程是大气对流层中二次粒子形成的一个重要途径,它直接或间接的影响大气辐射平衡和气候变化。