256查询网 英汉词典
首页> 英汉词典>methoxy的意思

methoxy

英[mə'θɒksɪ] 美[mə'θɒksɪ]
  • adj. [化]含甲氧基的
  • =methoxyl.

双语例句

1. The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
通过4-甲氧基苯甲醛的羰基加成反应合成4-甲氧基-苯基羟基乙酸。

youdao

2. SV static mixer was selected to use in ortho- nitrochlorobenzene methoxy reaction.
选择SV型静态混合器应用于邻硝基氯苯甲氧基化反应中。

youdao

3. Therefore, 7-methoxy flavone and its derivatives can be promising antitumor lead compounds.
因此,7 -甲氧基黄酮及衍生物很有可能成为新型结构的抗癌先导化合物。

youdao

4. As the quality of life improved, the need of Low methoxy pectin will also increase dramatically.
随着人们生活质量的提高,低甲氧基果胶的需求也将剧增。

youdao

5. R "is a replaceable function, e. G. Acetoxy, methoxy, their acyloxy and alkoxy homologs or halo."
是取化基,如乙氧基、甲氧基及它们的环氧和烷氧同系物或卤基。

youdao

6. The reaction conditions of synthesizing 1-methoxy-2-propanol by solid base catalyst were investigated.
考察了固体碱催化剂上2—丙基甲醚合成反应的工艺条件。

youdao

7. Abstract: the synthesis and anti-breast cancer activity of 7-methoxy flavone and its derivatives were studied.
摘要:本文对7 -甲氧基黄酮及其衍生物的合成与抗乳腺癌细胞的活性进行了研究。

youdao

8. The invention discloses a method for separating and preparing 2-hydroxyl-1-methoxy aporphine from lotus leaves.
本发明公开了一种自荷叶中分离制备2-羟基-1-甲氧基阿朴啡的方法。

youdao

9. The synthetic method of perfume 2 - methyl - 3 - methoxy pyrazine was investigated and better reaction conditions have been found.
利用相转移催化法合成香料2-甲基-3 甲氧基吡嗪,并对其反应条件进行探讨,找到较佳的反应条件。

youdao

10. Analyzed the molecular structure of 4-Hydroxy-3-Methoxy Cinnamylic Acid, and studied the second-order nonlinear optical properties.
分析了4 羟基3 甲氧基肉桂酸的分子结构特点,研究了其二阶非线性光学性质和固体样品的透光性能。

youdao

11. We mainly study stable molecular geometries and atomic charge distributing of 5-methoxy indole 5-methyl indole and 5-chlorin indole.
着重研究5 -甲氧基吲哚、5 -甲基吲哚和5 -氯吲哚的稳定几何构型和分子中各原子上的电荷分布。

youdao

12. Under the above-mentioned conditions, the conversion ratio for PO reached 99% and the selectivity for 1-methoxy-2-propanol reached 98%.
在此条件下反应,环氧丙烷转化率可达99%,2—羟丙基甲醚的选择性可达98%。

youdao

13. The pectin in most plants is the high methoxyl pectin, so the low-methoxy pectin has to be prepared by reducing the degree of esterification.
自然界大多数植物中的果胶为高甲氧基果胶,需通过降低其酯化度制备低甲氧基果胶。

youdao

14. Based on the principle of phase transfer catalysis, 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
以对甲氧基苯甲醛、三氯甲烷为原料,相转移催化羰基加成法合成了对甲氧基苯乙醇酸。

youdao

15. This article introduces a new process of synthesizing vanillin from 2-methoxy-4-methyl benzenol, which is abstracted from pine creosote oil, via one-step oxygen method.
本文以松树杂酚油为原料提取4 甲基愈创木酚,然后利用4 甲基愈创木酚一步氧化合成香兰素。

youdao

16. A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.
阐述了利用环氧丙烷和甲醇在催化剂HM-9512存在下,通过选择性开环加成制备1-甲氧基-2-丙醇的工艺过程。

youdao

17. The in vitro biotransformation of 6 methoxy butyl phthalide (MBP) by phenobarbital induced rat liver microsomes was investigated by GC/MS and GC/MS with TMS derivatization.
报道了用GC/MS方法及衍生化技术研究6甲氧基正丁苯酞(MBP)在大鼠肝微粒体中的代谢转化结果。

youdao

18. The reaction mechanism of 8-dimethyl-7-methoxy-5-ethenyl-nonanenitrile oxide cycloaddition has been studied with the molecular orbital AM1 method and transition state theory.
用过渡态理论和AM 1方法,对8-二甲基- 7-甲氧基- 5 -烯-壬腈氧化物分子内环加成反应机理进行了研究。

youdao

19. Results A new benzophenone was isolated and identified as 2-methoxy-3,4-methylenedioxy-benzophenone (I), along with a known compound 4-hydroxy-2,6-dimethoxy-benzophenone (II).
结果分离鉴定了2个二苯酮化合物,其结构分别为2 甲氧基- 3, 4 -亚甲二氧基-二苯酮(I), 4 羟基-2, 6 -二甲氧基-二苯酮(II)。

youdao

20. Many kinds of synthetic methods for imazamox are introduced. The industrialization of post-methoxy methylation-bromination will be the most possible in above mentioned methods.
介绍了多种合成方法,其中以“后甲氧甲基化-溴化法”最有希望工业化。

youdao

21. The inhibition effect of 2-hydroxy-4-methoxy-benzaldehyde(HMB)on the activity of monophenolase and diphenolase contained in tyrosinase was studied using enzymological kinetic method.
采用酶学动力学方法研究2-羟基-4-甲氧基苯甲醛(HMB)对酪氨酸酶的单酚酶和二酚酶活力的抑制效应。

youdao

22. The compound 6-(2-methoxy phenoxy)-1, 4-dihydrogen-4-oxo-3-ethyl quinoline carboxylate is prepared with o-methoxyphenol and p-chloronitrobenzene as materials and through four-step reaction.
以邻甲氧基苯酚与对氯*为原料,经四步反应合成6-(2-甲氧苯氧基)-1,4-二氢-4-氧代-3-喹啉羧酸乙酯。经抗鸡球虫实验证明具有抗球虫效果。

youdao

23. In this paper the pK values of both commonly commercial UV-absorbers-2- hydroxy-4-methoxy-benzophenone (UV-9) and 2,4-dihydroxy-benzophenone (UV-0) at ground and excited states have been determined.
本工作对两种常见的商品紫外吸收剂——2-羟基-4-甲氧基二苯甲酮(UV-9)和2.4-二羟基二苯甲酮(UV-0)在基态和激发态时的离解常数进行了测定。

youdao

24. In this paper the pK values of both commonly commercial UV-absorbers-2- hydroxy-4-methoxy-benzophenone (UV-9) and 2,4-dihydroxy-benzophenone (UV-0) at ground and excited states have been determined.
本工作对两种常见的商品紫外吸收剂——2-羟基-4-甲氧基二苯甲酮(UV-9)和2.4-二羟基二苯甲酮(UV-0)在基态和激发态时的离解常数进行了测定。

youdao

相关词汇

Copyright © 2023 256查询网 All Rights Reserved

Copyright © 2023 www.256cha.com All Rights Reserved

256查询网 赣ICP备18009369号-6

本站部分资料来自网络,如有侵权请速与我们联系删除