citral
英['sɪtrəl]
美['sɪtrəl]
- n. [化]柠檬醛
双语例句
- 1. Z-Citral content was 24.21% which was the most component.
- 大多是单萜、倍半萜烯类化合物，Z-柠檬醛含量最多，达24.21%。
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- 2. This paper reviewed the research progress in synthesis of citral in the recent years.
- 文章综述了近年来柠檬醛的合成研究进展。
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- 3. Phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.
- 用相转移催化合成了柠檬醛二乙缩醛，提高了产率。
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- 4. AIM: To study antiasthmatic effect of citral from aqueous extract of fruit of cubeb litsea tree and its mechanism.
- 目的：研究山苍子水提物柠檬醛的抗哮喘作用及其机理。
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- 5. The refining process of citral product from natural litsea cubeba was studied by means of vacuum batch distillation.
- 采用减压间歇精馏方法，对从天然产物山苍子油中提取柠檬醛产品的精制过程进行了研究。
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- 6. The Litsea cubeba oil has wide USES, especially deep-processed products of its citral, which is the main element of Litsea cubeba oil.
- 山苍子油的用途十分广泛，特别是其主要成份柠檬醛的深加工产品。
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- 7. Citral 1, 2-propanediol acetal was synthesized using citral and 1, 2-propanediol as raw materials and copper methanesulfonate as catalyst.
- 以柠檬醛和1,2 -丙二醇为原料，甲基磺酸铜为催化剂，合成了柠檬醛缩1,2 -丙二醇。
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- 8. Interference experiments on lipid rafts showed that proliferation activity of Citral is closely related to cholesterol levels maintaining.
- 脂筏干扰实验表明膜胆固醇水平维系与柠檬醛生长抑制活性关系密切。
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- 9. These results provided the necessary theoretical basis for seperating citral from Litsea citrata oil and designing the distillation column.
- 从而为通过水蒸气精馏和真空精馏从山苍子油中单离柠檬醛产品提供必要的理论依据。
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- 10. Polystyrene supported polyethylene glycol was used as catalyst in the condensation reaction of citral and acetone, yield of pseudoionone was 77.4%.
- 将聚苯乙烯固载的聚乙二醇用于催化柠檬醛与丙酮的缩合反应。
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- 11. Lemonile was manufactured by the dehydration of citral oxime obtained by the reaction of hydroxylamine sulfuride and citral abstracted from litsea cubeba oil.
- 从山苍子提取出的柠檬醛，与硫酸羟胺反应生成柠朦肟，脱水后可得到柠檬腈。
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- 12. This method has the advantages of high separation efficiency, low pressure drop, high operating elasticity and high yield, and can obtain high purity of 97% citral.
- 此方法分离效率高，压降小，操作弹性大，收率高，能直接获得97％的高纯度柠檬醛。
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- 13. By microwave irradiation, the citral was obtained from Litea cubeba fruits, the yield was risen in average 36.5% than by traditional distillation in a current of steam.
- 采用微波辐照技术从山苍子中提取制备柠檬醛，使山苍子精油的提取率较传统的直接水蒸气蒸馏法平均提高36.5%以上。
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- 14. The review focuses on the different catalysts and craft on the hydrogenation of the major terpene: pinene, dipentene, citronellal citral, geraniol etc over catalysts and craft.
- 主要介绍蒎烯、 双戊烯、香茅醛、 柠檬醛、 香叶醇和橙花醇等萜类化合物的加氢催化剂种类及其工艺条件。
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- 15. The aroma characteristic of methyl ionone and its application in essence is outlined briefly. The synthetic method of methyl ionone by using citral from litsea cubeba oil is mainly introduced.
- 简略叙述了甲基紫罗兰酮的香气特征及其在香精方面的应用，主要介绍了从山苍子精油中提取柠檬醛来合成甲基紫罗兰酮的方法。
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- 16. The aroma characteristic of methyl ionone and its application in essence is outlined briefly. The synthetic method of methyl ionone by using citral from litsea cubeba oil is mainly introduced.
- 简略叙述了甲基紫罗兰酮的香气特征及其在香精方面的应用，主要介绍了从山苍子精油中提取柠檬醛来合成甲基紫罗兰酮的方法。
youdao
- Irone was obtained through three steps reactions with citral and acetone.Citral reacted with acetone in the base catalyst to give pseudoionone.
采用山苍子油提取得到的柠檬醛和丙酮等为主要原料合成鸢尾酮。
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