The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.
主体风味成分是己乙酯、苯乙醇、辛和辛乙酯。
phthalate esters
The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.
主体风味成分是己乙酯、苯乙醇、辛和辛乙酯。
The research provided the applicable functional monomer leading urethano into acrylic ester.
为将氨酯基团引入丙烯树脂提供了一种可用的官能单体。
The toxicity effect of 6 carbamic ester pesticides on Anabaena flos-aquae was studied.
以鱼腥藻为材料研究了6种氨基酯类农药对藻类的毒性效应。
The preparation of penicillin G sulfoxide p-nitrobenzyl ester from penicillin G was studied.
对青霉素G钾制备青霉素G亚砜对-硝基苄酯工艺进行了研究。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
环己基碳亚胺(DCC)是酯化、酰胺化等反应常用的一种脱,采用DCC脱缩合,反应条件温和,合成收率通常较高。
The content of xanthophyl fatty acid ester obtained is 70-80%, wherein the content of all-trans xanthophyl ester is 90-95%.
用本发明方法得到的叶黄素脂肪酯含量为70~80%,其中全反式叶黄素酯达90~95%。
By using phase transfer catalyst, the yield of the preparation of cyclopropane carboxylic isopropyl ester was increased.
在环丙异丙酯的合成反应中,通过相转移催化提高了反应收率。
Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.
摘要单宁酶可解没食子单宁中的酯键和缩酚羧键,生成没食子和葡萄糖。
The results revealed that there was the toxicity effect of 6 different carbamic ester pesticides on Anabaena flos-aquae.
结果发现,6种氨基酯类农药对鱼腥藻都有不同程度的毒性作用。
Ingredient: KL sublimation medicinal preparation 80%, dextrorotary alkyne fifth heavenly stem chrysanthemum ester 2-3%, function medicinal preparation 1- 3%.
KL80%,右旋炔戊菊酯2-3%,功能1- 3%。
Atropine is a specific antidote for the cardiovascular collapse that may result from the injudicious administration of a choline ester.
阿托品是治疗由于用胆碱酯类不慎而引起的心血管性虚脱的特效解毒。
The cold-fust of the plasticzing agent that use it as material is better than the ester of Butanone and Octanol.
以它为原料的增塑耐寒性优于丁醇和辛醇的酯类。
The ore sample was dissolved in nitric acid.After enrichment and separation with Xanthic ester cotton,the silver was determined by thiocyanometry.
该方法采用硝溶解样品,黄原酯棉富集分离,以硫氰盐滴定法进行测定。
A novel family of ester acetal molecular glass materials has been created by the reaction between monocarboxylic acid and divinyl ethers.
通过一元羧和乙烯基醚的反应,我们得到了一种新颖的酯缩醛结构分子玻璃。
It is found that incorporation of a trifunctional carboxylic ester or silane coupling agent can improve the adhesion of coatings on glass.
实验发现加入一定量的三官能团酯或硅烷偶联可以显著提高紫外光固化玻璃涂膜对玻璃的附着力。
The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.
结果表明,半高丛越橘以醇类、酯类、萜类和酮类物质为主。
Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.
古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质,其连接是醚连接而不是酯连接。
There are two reactive groups, amino and butoxy in the borate ester molecule.The structure of the borate ester was characterized by IR spectrum.
[中文文摘]通过分子结构设计,合成了一种氮-硼内配位结构的硼酯偶联,解决了硼酯解稳定性差的问题,同时分子结构中含有氨基、丁氧基等活性基团。
Tussore oil was extracted by chemical .The fatty acid (FA) in tussore oil was saponificated and modified to methyl esters by different means .
研究了脂肪油的衍生化、三氟化硼、硫3种不同方法对脂肪油的皂化、酯化效果,并用GC/MS法对柞蚕中脂肪的成分进行了鉴定和分析。
Flame retardant vinyl ester resin using tetrabromo bisphenol A, epichlorohydrin, acrylic acid as raw materials was also synthesized, Its flame retardant property was excellent.
用四溴双酚A、环氧氯丙烷和丙烯为原料合成了阻燃型乙烯基酯树脂,其阻燃性能良好。
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