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   苯二甲酸 的翻译结果: 查询用时:0.04秒
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苯二甲酸     
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  phthalic acid
     In the aqueous medium with pH 8.0 the fluorescence intensity(IF) of Tb(Ⅲ)-p _ phthalic acid (p _ PTA)-ethylenediamine(EDA) system increased 84 times by 8.0×10-4 mol/L of Y(Ⅲ).
     在pH8.0的水溶液中 ,8.0×10-4mol/L的Y(Ⅲ)可使Tb(Ⅲ) -对苯二甲酸 -乙二胺体系的荧光增强84倍;
短句来源
     Cl- and SO42- were determined with 2.5 mmol/L phthalic acid and 2.4 mmol/L trishydroxymethl aminomethane as eluent;
     以2.5mmol/L邻苯二甲酸+2.4mmol/L三羟甲基氨基甲烷水溶液为淋洗液,沉淀中检出Cl-和SO42-;
短句来源
     synthesis Characteriration andLuminescence Property Study of Different Polynuclear Complexes of Eu(Ⅲ)、 Ln(Ⅲ)(Ln=La、Gd、Y)with o phthalic acid
     Eu(Ⅲ)、Ln(Ⅲ)(Ln=La、Gd、Y)一邻苯二甲酸异多核配合物的合成、表征及荧光性能研究
短句来源
     Results:The structures were identified by spectral analysis as chrysophanol, 10 (chrysophanol 7′ yl) 10 hydroxychrysophanol 9 anthrone and phthalic acid dibutyl ester。
     结果:分得3个化合物,鉴定为大黄酚,10(chrysophanol7′yl)10hydroxychrysophanol9anthrone和邻苯二甲酸二丁酯。
短句来源
     The title compound consists of [Mg(H2O)4(phen)]2+ cations, phthalic acid anions as well as phen and H2O molecules.
     标题配合物由 1 个邻菲咯啉合镁阳离子[Mg(H2O)4(phen)]2+、1 个邻苯二甲酸根阴离子C6H4(COO)2)2–、1 个溶剂邻菲咯啉分子和 1 个结晶水分子组成。
短句来源
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  phthalic acids
     The Fluorescent Reactions of Tb~(3+) with Phthalic Acids and Its Analytical Applications
     Tb~(3+)与苯二甲酸的荧光反应及其分析应用
短句来源
     The fluorescent reactions of Tb3+ with three phthalic acids were studied in this paper.
     研究了Tb(3+)离子与三种苯二甲酸发生的荧光反应。
短句来源
     The influence of salicylic and phthalic acids on Cu adsorption by laterite was studied adopting equilibrium test technique, and the affecting mechanisms of organic acids on Cu adsorption were tested and explored through the desorption of adsorbed Cu.
     采用平衡实验法研究了水杨酸和邻苯二甲酸对砖红壤吸附铜的影响,并通过吸附铜的解吸实验探讨了有机酸对铜吸附的影响机制.
短句来源
  benzene dicarboxylic acid
     Determination of Content of Benzene Dicarboxylic Acid in Polyester Paste with Titrimetric Method
     返滴定法测定聚酯浆料中对苯二甲酸含量
短句来源
     The current topical areas focus on the rigid aromatic multicarboxylate ligands, such as benzene dicarboxylic acid and benzene tricarboxylic acid.
     目前,这方面的研究主要集中在如苯二甲酸,均苯三甲酸等刚性芳香多羧酸配体。
短句来源
  benzene dicarbonic acid
     The authors make a experiment study on flow characteristics in a horizontal pipe of a liquid-solid two-phase mixture consisted of water and benzene dicarbonic acid crystalline grains which are smaller in both density and granularity. The incidence formular of friction coefficient for two-phase mixture of 0. 767%~20. 300% bulk concentration and the analysis results of the fluid state transition velocity are presented.
     对水(液相)与密度、粒度均较小的对苯二甲酸晶粒(固相)组成的液—固两相混合物在水平光滑管内流动特性进行了实验研究,给出了容积浓度0.767%~20.300%两相混合物的摩擦系数关联式及流态转变速度的分析结果.
短句来源
     With the condition of cleaning solution were 2 5mM benzene dicarbonic acid and 2 4mM 3 methylol ammonia buffer solution and pH=4 0,current velocity was 1 5ml/min,the limits of detections of these negative ions,linear regression equations and correlation coefficients,the precision and accuracy of this method were detected.
     以2.5mM苯二甲酸、2.4mM三羟甲胺缓冲液为淋洗液,在pH=4.0,流速为1.5ml/min的条件下,测得各阴离子检出限、线性回归方程及相关系数、方法的精密度和准确度。
短句来源

 

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      phthalic acid
    A derivative of phthalic acid, dibutylphthalate (DBP), which has gametocidal effect at the concentration of ~10-4 M, increased apoptosis in coleoptiles of wheat seedlings.
          
    m-Phthalic acid was used as an internal standard for quantification.
          
    Chromatographic determination of phthalic acid esters as an indicator of adulterated cognacs and cognac spirits
          
    As an example, recommendations were given for revealing adulterated cognac samples upon the detection of phthalic acid esters in them (including diethyl phthalate, which is a marker of denaturation).
          
    Double salts of o-phthalic acid of the general composition M2AnO2(C8H4O4)2nH2O (M = NH4, K, Cs and An = Pu, Np) were isolated from neutral aqueous solutions.
          
    更多          
      phthalic acids
    Separation of the positional isomers of phthalic acids in hydroorganic solvents using capillary electrophoresis
          
    The positional isomers of phthalic acids (ortho-, meta-, and para-) and benzoic acid could be completely separated by capillary electrophoresis (CE).
          
    The procedure allows the determination of phthalic acids in the concentration range from 0.02 to 2 mg/L in liquid samples and from 0.03 to 3 mg/m3 in air.
          
    Heptanedioic, 3-methylhexanedioic, octanedioic, 1,3-benzenedicarboxylic, nonanedioic, decanedioic, hexadecanoic, 9,12-octadecadienoic, octadecanoic, and phthalic acids were identified for the first time in Bayer liquors.
          
    A new class of benzoxazine polymers were synthesised from bis(4-amino-3-hydroxymethylphenyl)methane with substituted phthalic acids by solution poly-condensation in polyphosphoric acid.
          
    更多          
      benzene dicarboxylic acid
    All three phthalic acid isomers ( ortho, meta and para benzene dicarboxylic acid) are produced in massive amounts, and used in the chemical industry as plasticizers or for the production of polyester.
          


    A practical method for the preparation of phthalylsulphathiazole developed in our laboratory which is adaptable for the commercial production of the drug is de- scribed. In this method water is used as a condensing medium: an amount of phthalic anhydride 10% in excess of the theory is added to a suspension of sul- phathiazole in boiling water all at once, then the mixture is kept at refluxing tem- perature for 4 hours. It is then filtered whilst hot, and the insoluble phthalylsul- phathiazole filter cake is...

    A practical method for the preparation of phthalylsulphathiazole developed in our laboratory which is adaptable for the commercial production of the drug is de- scribed. In this method water is used as a condensing medium: an amount of phthalic anhydride 10% in excess of the theory is added to a suspension of sul- phathiazole in boiling water all at once, then the mixture is kept at refluxing tem- perature for 4 hours. It is then filtered whilst hot, and the insoluble phthalylsul- phathiazole filter cake is washed with hot water to free it from the contaminated phthlic acid, and then dried. Yields of over 96% were obtained. The product con- formed to the assay requirements of the Chinese Pharmacopoeia, 1953.

    根据比較試驗結果,我們制定了一种切实可用的在水中缩合以制造羧苯甲酰磺胺噻唑的方法:将10%过量的苯二甲酐一次加入于混悬在沸水中的磺胺噻唑,迴流反应四小时,乘热过滤并用热水洗去夹杂的苯二甲酸后,干燥,得到合乎中国藥典(1953)含量規定以上的产品.产率在96%以上.

    ~~

    在175℃把聚对苯二甲酸乙二醇酯溶在硝基苯中与正丁二酸酐进行酯化,酯化产物純化后,175℃下溶在苯甲醇中,驟冷,加入氯仿,以酚紅为指示剂,用氢氧化鉀乙醇溶液来滴定,計算其分子量。

    The catalytic action of mercuric ions upon the reaction of potassium ferrocyanide with nitrosobenzene was applied to the determination of traces of phenyl mercuric nitrate in vaccine preparations with success. The optimum conditions for the determination, such as concentrations of the reagents, buffer mixture, etc., have been ascertained experimentally.

    利用亚铁氰化钾溶液与亚硝基苯溶液在硝酸汞苯催化作用下,和在苯二甲酸氢钾缓冲溶液中,生成的紫色络合物可以直接测定数种菌苗溶液中微量硝酸汞苯.后者的浓度范围在3-30微克(体积8毫升)时符合Beer定律;平均回收率为98.4%. 为使此法适应于生物制品中微量硝酸汞苯的测定,曾详细研究试剂浓度、pH值、光线、温度、各种介质以及有其他杂质存在下等因素对测定结果的影响.

     
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