• 易感饮水投放羟氨苄青霉素苯氧基青霉素,连续4-5

    Medicate the water amoxycillin or phenoxymethylpenicillin for 4 - 5 days over the period of risk.

    www.youdict.com

  • 柔性铜板1,4 -双(2,4 -二氨苯氧基)聚酰亚胺薄膜制备方法

    Method for preparing 1, 4-di (2, 4-diamino phenoxy) benzenoid form polyimide film for flexible copper clad plate.

    ip.com

  • 研究化妆品中的噻唑啉酮、免洗消毒剂以及氧基乙醇推进剂抗菌活性

    What's more, it studied the antibacterial activity of methyl lisothiazolinone, rinse-free disinfectants and phenoxyethanol.

    dict.cnki.net

  • 论文合成一系列多元羧酸化合物

    In this paper, we synthesized a series of phenoxy-(phenylamino) polycarboxylic compounds.

    www.fabiao.net

  • 研究价廉、易得,能够方便自产的间—苯氧基三乙氯化铵作为转移催化剂获得了较好的结果

    Authors have obtained by using m-phenoxybenzyltriethylammonium chloride as the phase transfer catalyst which is cheap, available and self—productive. We hare achieved better results.

    dict.cnki.net

  • 提供了用于递送活性剂苯氧基羧酸化合物及其组合物

    Cyanophenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided.

    www.patent114.com

  • 甲酰原料合成了新型的激光光敏刺——4 -氧基(PBZP)。

    A new photoinitiator, 4-phenoxy benzophenone (PBZP), was synthesized and characterized using diphenyl ether and benzoyl chloride as raw material.

    journal.ecust.edu.cn

  • 丙烷原料,KOH催化剂解后合成了1—氨—3—苯氧基—2—丙醇。

    The 1-amino-3-phenoxyl-2-propanol is prepared with phenol and epoxy chloropropane by means of KOH as catalyst and hydrazinolysis.

    dict.youdao.com

  • 选定色谱操作条件下2-4-苯氧基杂质二酚之间具有良好效果

    Under the selected conditions of the chromatographic operation, there was the better separation efficiency between 2-(4- hydroxyphenoxy) propionic acid and impurities(such as hydroquinone, etc).

    dict.cnki.net

  • 以邻甲氧基对氯*原料反应合成6-(2-苯氧基-1,4-二氢-4--3-喹啉羧酸乙酯。抗鸡球虫实验证明具有抗球虫效果。

    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.

    www.bogu6688.com

  • 氧基乙酮由酚乙酮醋酸催化下高产合成

    Phenoxyacetophenone could be prepared from potassium phenolate and m bromoacetophenone via Ullmann reaction catalyzed by copper acetate in high yields.

    dict.cnki.net

  • 得到2-乙醇得到2-苯氧基乙醇,氯化锌反应得2,3-二氢呋喃产率50%。

    A mixture of phenol, sodium and 2-chloroethanol forms 2-phenoxyethanol, add zinc chloride, the product is 2,3-dihydrobenzofuran, yield 50%.

    dict.cnki.net

  • 其中,化合物1一个以线性四核铜配合物本单元的聚合物,此时水杨醛缩苯氧基乙酰腙配体L1五啮配体。

    The adjacent complex molecules 1 are linked by N-N bridge of the pentadentate ligand L1, resulting in an one-dimensional polymer.

    dict.cnki.net

  • 本文主要介绍对传统的二氧基化方法生产工艺中间的氧基化、硝化、化反应的改革方法和原理。

    This paper mainly introduced the theoretical research of making benzaldehyde by toluene oxidation as well as the process development in Shijiazhuang Chemical Fibre Co.

    www.dictall.com

  • 通过4-甲氧基甲醛加成反应合成4-甲氧基-乙酸

    The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

    www.dictall.com

  • 他们发现p53不仅产生大家熟知p53蛋白质同时产生一种p53蛋白质变换“控制开关变种——对碘氧基甲醚。

    They found that the p53 gene makes not only the well-established p53 protein, but also an alternative "control switch" variation of the p53 protein - known as an isoform.

    article.yeeyan.org

  • 研究结果表明化学结构适易氧基甲醛产率大于90 %。

    The experimental results indi- cate that oxidation yields of some alkyloxybenzaldehydes are above 90 % .

    dj.iciba.com

  • 目的研究微波合成氧基甲醛最佳反应条件

    Objective To study Optimization of the react conditions of benzyloxy-benzaldehyde synthesized under microwave irradiation.

    www.chemyq.com

  • 课题铁为原料,邻甲氧基甲酰反应生成邻甲氧基甲酰铁,再一系列反应合成亚,最终还原化合物

    The title compounds were obtained by the reduction of the corresponding ferrocenyl imines, which were prepared from ferrocene and o-anisic acid chloride, followed by amination with aromatic amines.

    dict.cnki.net

  • 甲酚为原料经化、水解、甲氧基4反应合成药物中间体3,4,5-三甲氧基甲醛,收率53

    The 3,4,5 trimethoxybenzaldehyde is synthesized from p cresol in four steps of bromination, hydrolyzation, methoxylation, and methylation, with an overall yield of 53.

    www.xjishu.com

  • 阿图公司芳香族化工部全球对甲酚及其下游产品对甲氧基甲醛对甲氧基甲醇等领先制造商

    Aromatics, a Division of Atul Limited, India, is a leading manufacturer of Para cresol and its downstream products such as Para Anisic Aldehyde and Para Anisyl Alcohol.

    www.qrx.cn

  • 乙醇溶剂,碘化钠催化剂金属二酚丁烷合成14 -二氧基

    With ethyl alcohol as solvent and sodium iodide as catalyst, 1,4-dibutoxybenzene was synthesized from metal sodium, hydroquinone and n-butyl bromide.

    dict.cnki.net

  • 报道白藜芦醇关键中间体3,5二甲甲醛合成方法

    An improved synthetic method of 3, 5-dimethoxy benzaldehyde which is the key intermediate for synthesizing resveratrol were studied.

    dict.cnki.net

  • 采用动力学方法研究2-羟-4-甲氧基甲醛(HMB)对酪氨酸单酚二酚活力抑制效应

    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.

    dict.cnki.net

  • 前言:二酚二氯甲烷为原料,二甲亚砜为溶剂碱性条件下合成1,2-亚甲二氧基产品收率达到73.4%;

    2-(methylenedioxy)benzene is synthesized by using catechol, dichloromethane and dimethylsulfoxide with the condition of alkali and normal pressure. Overall yield of the process is 73.4%.

    www.chemyq.com

  • 氧基甲醛、三氯甲烷为原料,转移催化加成合成了氧基乙醇

    Based on the principle of phase transfer catalysis, 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

    www.chemyq.com

  • 研究了用紫外分光光度和气色谱测定1,2,3-三甲氧基含量方法提出了测定实验条件

    Methods of gas chromatography and UV-spectrophotometry for determination of 1,2,3-trimethoxybenzene content were studied. Test conditions of the methods were proposed.

    www.chemyq.com

  • 最佳条件下产品邻甲氧基收率可达到84.6%。

    The yield of the product under optimum conditions was up to 84.6%.

    dict.cnki.net

  • 以愈创木酚为起始原料,采用各种不同催化剂缩合制备得到邻甲氧基研究了催化剂反应温度反应时间加料方式各种因素反应影响

    Methoxydiphenyl ether was synthesized from guaiacol by using various catalysts and bases. The influences of base, catalyst, temperature, time and the way of feeding on the reaction were studied.

    www.chemyq.com

  • 工作常见商品紫外吸收剂——2--4-氧基甲酮(UV-9)2.4-甲酮(UV-0)激发态时的离解常数进行测定

    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.

    dict.cnki.net

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定