In the roots, there were carboxylic acid ester and alkane.
而茅莓根的主要化学成分是有机酸酯和烷烃。
Carboxylic acid esters are important chemical raw materials.
羧酸酯是重要的化工原料。
The esterification mechanism of unsaturated carboxylic acid was analyzed.
分析了不饱和羧酸酯化反应的机理。
Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters.
羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。
The reduction of carboxylic acid is an important reaction in organic chemistry.
羧酸的还原是有机化学中的重要反应。
A series of novel liquid crystalline aromatic carboxylic acid compounds are synthesized.
合成了一系列新的液晶性芳香羧酸化合物。
The effect of potassium borohydride on ester and carboxylic acid reduction was introduced.
研究了硼氢化钾对酯和羧酸的还原作用。
Inductive effect causes electron density of Carboxylic cardon atom in Carboxylic acid to change.
诱导效应可使羧酸中羧基碳原子的电子云密度发生改变。
The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.
本文介绍了羧酸酯化反应催化剂的研究进展。
In the reaction, some aniline is completely oxidized to CO2 or partially oxidized to carboxylic acid.
在反应中有一部分苯胺被完全氧化或部分氧化成CO2或羧酸。
The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene.
这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
Preferably the resin contains at least one acidic group and more preferably at least one carboxylic acid group.
最好的树脂至少包含一个酸性组和更多的最好至少一羧酸组。
The deficient stoichiometric ratio of the resin functional group to carboxylic acid was favorable for separation.
树脂官能团化学计量不足可以有效地提高分离效率。
Europium and terbium rare earth complexes with tetra carboxylic acid were successfully prepared in aqueous solution.
摘要在水溶液中合成了铕和试的四元羧酸稀土配合物。
Esterification is a common organic reaction, usually with the catalysis of acid carboxylic acid and alcohol produce ester.
酯化反应是常见的有机反应，通常是在酸催化作用下由羧酸与醇反应生成酯。
The synthetic methods of ester include acyl chloride reaction, carboxylic acid reaction, and inter-esterification reaction.
酯化的方法包括：酰氯法、羧酸法、酯交换法。
A group of polyamides formed by the condensation between an amino group of one molecule and a carboxylic acid group of another.
一类由一个分子的氨基与另一个分子的羧酸基之间，缩合而生成的聚酰胺。
Oxalic acid: Colourless, crystalline, toxic carboxylic acid found in many plants, especially rhubarb, wood sorrel, and spinach.
草酸：无色结晶有毒的羧酸类有机化合物。许多植物中有草酸，尤其是大黄、酢浆草和菠菜。
Aim To explore the potential inhibition of platelet aggregation and synthesis of substituted benzene carboxylic acid derivatives.
目的探讨取代苯基羧酸衍生物的合成及抑制血小板聚集作用。
The advanced carboxylic acid waterproofing agent became main content of cement liquid water-repellent admixture that Korean most used.
而高级羧酸系防水剂为韩国使用最多的“水泥液体防水剂”的主要材料。
Carboxylic acid ester compound, liquid crystal compound, liquid crystal composition, liquid crystal element and light modulation method.
羧酸酯化合物，液晶化合物，液晶组合物液晶元件和光调制方法。
In this paper several extractants containing a thioether group and another group such as carboxylic acid, ester or amide were synthesized.
本文合成了分子中含有硫醚基团和另一个基团如羧酸、酯、酰胺的萃取剂。
It was found that the content and structure of asphaltene, wax and natural carboxylic acid play important roles in emulsification process.
本课题考察了与天然竣酸盐结构相仿的合成摸酸盐的乳化降粘性能。
Synthesis of acyl azide from aldehyde, or acylhydrazine, or carboxylic acid , or acyl chloride, or anhydride, or ester is introduced in this paper.
介绍了由醛、酰肼、羧酸、酰氯、酐或酯合成酰基叠氮化合物方法。
Stereoselective oxidative dimerization of the enolate of carboxylic acid derivatives is summarized focusing on the stereoselectivity of the process.
综述羧酸衍生物的烯醇盐氧化二聚成键的规律，重点是立体选择性的过程。
The research and application of carboxylic acid collector, phosphoric acid collector and ester collector for phosphorous ore are summarized in this paper.
本文从羧酸类捕收剂、磷酸类捕收剂和酯类捕收剂三个方面，分别综述了磷矿捕收剂的研究和应用进展。
The results showed that a type of carboxylic acid with better dispersion could be synthesized by the way of changing the ratio of the different side-chains.
实验结果表明：通过调整聚羧酸共聚物中侧链链长的比例使其具有最佳的分散性。
Both infrared spectroscopy (IR) and X-ray photoelectron spectroscopy (XPS) show that carboxylic acid groups have been introduced onto the carbon black surface.
红外光谱及X光电子能谱表明，臭氧氧化在碳黑表面引进了羧基基团。
Both infrared spectroscopy (IR) and X-ray photoelectron spectroscopy (XPS) show that carboxylic acid groups have been introduced onto the carbon black surface.
红外光谱及X光电子能谱表明，臭氧氧化在碳黑表面引进了羧基基团。
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