phthalic的例句大全

Study on the determining method of free acid in methyl tetrahydro-phthalic anhydride

甲基四氢邻苯二甲酸酐中游离酸测定方法的探讨

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Methods Chloroacetic acid was treated with thionyl chloride, amines and triphenylphosphine to provide quaternary phosphonium salts, which were treated with phthalic anhydride to get the target compounds by the Wittig reaction. The pure products were obtained by silica gel column chromatography.

方法以氯乙酸为起始原料，依次与氯化亚砜、胺、三苯膦反应制得季磷盐，再与邻苯二甲酸酐经Wittig反应制得目标化合物，硅胶柱色谱得纯品。

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Utilization of Reaction Heat for Optimizing the Conversion Rate in the Production of Phthalic Anhydride

利用反应热提高苯酐收率的方法

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Analysis on Fire Explosion Risks of Oxidation Reactor Group in the Production of Phthalic Anhydride and Their Countermeasures

苯酐生产氧化反应器组火灾爆炸危险性分析与对策

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Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of o-phthalic acid, n-butyl alcohol and sodium hydrogen sulfate 1:2. 6:0. 22, the reaction time 1. 5 h, and the yield up to 94.24%.

实验结果表明：酯化反应的优化条件为邻苯二甲酸、正丁醇、硫酸氢钠物质的量比为1：2.6：0.22，反应时间1.5h。产率可达94.24%。

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synthesis, characterization and electrochemical studies of dicopper(ⅱ) complexes with n, n, n ′, n ′-tetra ( 2-benzimidazolyl methyl) ( o, m, p) phthalic diamide

双核铜（Ⅱ）与N，N，N′，N′-四（2-苯并咪唑基甲基）（o，m，p）苯二甲酰胺的配合物的合成、表征及电化学研究

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determination of phthalic acid in toluic acid by single-sweep oscillopolarography

单扫描示波极谱法测定邻甲基苯甲酸中的邻苯二甲酸

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the study of kinetics in the polymerization of 1,1,1-trihydroxymethyl propane with phthalic anhydride

三羟甲基丙烷与苯酐聚合反应的动力学研究

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study on the kinetics of the reaction of phthalic anhydride with trimethylol propane

邻苯二甲酸酐与三羟甲基丙烷聚合反应的动力学研究

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Kinetic studies on the polyesterification of ethylene glycol with maleic acid and phthalic anhydride

乙二醇与顺丁烯二酸及邻苯二甲酸酐聚酯化反应动力学的研究

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Effect of molecular weight of poly ( amic acid) end-capped with phthalic anhydride on the rate of imidization

聚酰胺酸相对分子质量对亚胺化速率的影响

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Impact of Phthalic Acid Easters on Diversity of Microbial Community in Soil

邻苯二甲酸酯对土壤微生物群落多样性的影响

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Innovation for Production Flow of Phthalic Anhydride Plant During the Prophase and Metaphase of Catalyst Use

催化剂使用的前、中期苯酐生产流程的改造

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Fatty acids, vegetable-oil, polymers with benzoic acid, pentaerythritol, phthalic anhydride, stearic acid and trimethylolethane;

脂肪酸与植物油聚苯甲酸、季戊四醇、邻苯二甲酸酐、硬酯酸和三甲氧基乙烷的聚合物；

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The removal efficiency for phthalic anhydride, homologues of polypropylene glycol, 2 butenoic acid, benzoic acid are 100%, 29.9%, 27.7% and 56.5%, respectively.

邻苯二甲酸酐、聚丙二醇、丁烯酸、苯甲酸等有机物去除率分别为100%，29.9%，27.7%，56.5%。

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the organic compounds are mainly benzoic acid anhydride, benzophenone, and so on. suitable anhydrides for use in this process include phthalic, maleic, and succinic.

生成的有机化合物成分比较复杂，主要成分有苯甲酸酐、苯甲酮等.适用于本法的酸酐有苯二甲酸，马来酸及琥珀酸的酸酐。

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Analysis of the Reasons behind Increases of Phthalic Anhydride Acid Plant Run Suds Pool

苯酐装置酸水池冒沫增大原因的分析探讨

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Objective To find out the level of phthalic acid esters ( PAEs) pollution of vegetables, fruits, and dried food in the market.

目的了解市售蔬菜水果及干货食品中酞酸酯的污染状况。

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The phthalic C14 mono ester were prepared by the reaction of tetradecanol with phthalic anhydride in cyclohexane, and sodium phthalate.

以环己烷为溶剂，合成了邻苯二甲酸单十四醇酯，并对反应时间、催化剂及用量、原料配比诸因素进行了考察。

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Tetrachlorophthalic anhydride was synthesized with phthalic anhydride as raw material, compounded iodine as catalyst by direct separation of crystal from solvent on the basis of solvent method.

在溶剂法基础上，以苯酐为原料，复合碘作催化剂，产品直接结晶分离的方法合成四氯邻苯二甲酸酐。

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