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 acids are known as inhibitors of urinary stones.
羧酸是泌尿系结石形成的抑制剂。
Carboxylic acid esters are important chemical raw materials.
羧酸酯是重要的化工原料。
One exception is the decarboxylation of aromatic carboxylic acids.
芳香羧酸进行脱羧反应是一个例外。
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。
REDOX Relationships amongst Alcohols, Aldehydes and Ketones and Carboxylic acids.
醇，醛与酮和羧酸之间的氧化还原关系。
The carboxylic in unknown samples was dc. termined by this method with good results.
用本法对未知氧化度样品的羧基含量进行测定，得到了较好的结果。
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 gold-adsorbing property of the amido oximime chelate fiber of carboxylic polyvinyl alcohol is studied.
研究了侧链含羧基的聚乙烯醇胺肟螯合纤维吸附金的性能。
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 resin can be solved in water by neutralizing carboxylic groups and double bonds therein with organic amine.
该氨酯油中引入了羧基阴离子和丙烯酸双键，用有机胺中和后溶于水中。
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。
There are two general methods for the formation of peptide bond, i. e. amino activation or carboxylic group activation.
形成肽键的基本方法，可以活化氨基也可以活化羧基，但是迄今为止普遍使用的都是活化羧基的方法。
By this method, more than forty carboxylic acids were detected in coal gasification wastewater and quantitatively determined.
用本方法检出煤气化废水中的羧酸类化合物四十余种，并进行了定量测定。
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。
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。
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。
CH 2 groups were replaced by NH or o and vice versa, nitro groups became carboxylic acids and amides, OH groups became fluorine atoms; the list is extensive.
甲烷2组改为NH或O和反之亦然，硝基成为羧酸和酰胺，OH基团成为氟原子，该名单是广泛的。
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。
Poly (N-vinylpyrrolidone) with carboxylic end groups and amino end groups (PNVP-NH2) were prepared by the chain transfer reaction in free radical polymerization.
利用普通自由基聚合中的链转移反应，分别制备了以羧基为端基的聚和以胺基为端基的聚(PNVP - NH2)。
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