• 制备对硝基苯处理的间氯3-羟基-4-氯苯酚,并转化为取代的对硝基苯甲酮

    M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.

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  • 壬基

    Methyl n-nonyl ketone;

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  • 有机溶剂生长4氨基二苯甲酮(abp)晶体

    Bulk crystal of 4 Aminobenzophenone (ABP) was grown from organic solution.

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  • 方法适用工作场所空气二乙基甲酮浓度测定

    The method is compatible with concentration detection of diethyl ketone in the air at a workplace.

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  • 系统研究了脂肪芳香芳香胺参与的尼奇反应

    Mannich reactions with aromatic, aromatic ketones and aromatic aldehydes and their applications were studied systematically.

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  • 硅胶吸附空气二乙基解吸相色谱(FID)测定。

    Silica gel adsorption and thermal desorption were used for the sampling of diethyl ketone and analysis was performed by GC (FID).

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  • 生成有机化合物成分比较复杂,主要成分有甲酮

    The organic compounds are mainly benzoic acid anhydride, benzophenone, and so on.

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  • 常温常压下,纳米级催化剂苯乙烯二苯甲酮分别催化加氢活性

    Nanosized nickel based catalysts can be used to carry out the hydrogenation of styrol and benzophenone at normal temperature and pressure.

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  • 这一中包括类化合物,二甲酮一些香豆素、木质素、缩合单宁

    The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes.

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  • 聚合光引发剂最大紫外吸收波长发生红固化残留量远远小于二苯甲酮

    The maximum UV absorption wavelength of polymerizable photoinitiator shifted toward long wavelength, and the residues of light-cured were far less than benzophenone.

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  • 收集器配有不同成分纤维每种纤维含的活性分子都各异,比如有机酸甲酮

    The collectors contained fibres of different compositions, each of which absorbed a unique range of volatile molecules such as organic acids, alcohols, amines and ketones.

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  • 本文研究了高压汞灯照射下,二甲酮3,4 -聚异戊二烯能量传递机理

    This paper studied the energy transmission mechanism between benzophenone and 3, 4-polyisoprene which were irradiated by high pressure Hg lamp.

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  • 发明含有甲酮取代单体及其制备方法应用属于高分子材料技术领域。

    The invention relates to a fluorine monomer with anthracene benzene ketone substituting group, the preparation method and the application, belonging to the technical field of macromolecular material.

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  • 以二原料,合成一种新型的激光光敏刺——4 -苯氧基二甲酮(PBZP)。

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

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  • 通过色质联机GC - MS对降解产物进行分析,并在此基础提出了甲酮可能氧化路径

    The degradation products of benzophenone are analyzed by GC-MS. A possible reaction pathway is proposed based on the analysis.

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  • 可能受到过相关警告,含有氰笨甲酮防晒霜可能会使皮肤过敏,尤其是如果皮肤护理敏感的话。

    You might encounter warnings that sunscreens with oxybenzone can irritate your skin, especially if you're sensitive to skin care products.

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  • 本文研究环氧单体种类用量、异醇及二苯甲酮对环氧有机硅预聚体CEPS阳离子光聚合体系感光性能的影响。

    The effect of kinds and concentration of epoxy monomers, isopropanol and BP on photosensitive properties of epoxy polysiloxane (CEPS) cationic photopolymerization system.

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  • 然而对于64份研究报告分析表明含有1%6%的甲酮的防晒品并不大多数皮肤造成过敏刺激

    However, a recent analysis of 64 studies indicates that sunscreens with 1 to 6 percent oxybenzone don't pose a significant risk of skin sensitization or irritation for most people.

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  • 研究了以二80%水合肼原料合成二苯甲酮工艺探讨物料配比反应时间浓度等目的产物收率的影响

    Synthesis process of benzophenone hydrazone is studied with benzophenone and 80%hydrazine as raw materials. Effects of material ratio, reaction time and concentration on aimed products are explored.

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  • 研究钛材反应器液相空气氧化3,3',4,4'-四基二苯乙烷制备3,3',4,4'-二苯甲酮羧酸的反应规律

    The synthesis of 3,3 , 4,4 -benzophenone tetracarboxylic acid by liquid phase air oxidation of 1,1-bis(3,4-dimethylphenyl)ethane in titanium reactor was studied.

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  • 研究硫醇烯光固化组成物的反应机理,选用安息香双、安息香乙醚、安息香正醚、二苯甲酮噻吨光敏剂红外光谱法研究了硫醇烯光化学反应动力学

    The kinetics of thiol-ene reaction is studied by Fourier Transform Infrared when benzoin dimethyl ether, benzoin ethyl ether, benzoin butyl ether, benzophenone and ITX were used as photosensitizer.

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  • 工作对两种常见商品紫外吸收剂——2-羟基-4-氧基二苯甲酮UV-9)2.4-二羟基二苯甲酮(UV-0)基态激发态时的离解常数进行了测定

    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.

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  • 采用硫醇呋喃硫醇、吡嗪-2,4-壬二烯醛呋喃等主要的牛肉香气成分香原料,可以调配出香气逼真的炖牛肉香精

    Methanethiol, furanthiol, pyrazine, trans, trans-2,4-nonadienal and furfuran ketone were used to develop beef flavor.

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  • 本文对的二硅基双烯醇醚合成反应机理反应条件进行了探讨,在此基础上合成四个硅基双烯醇醚,较高

    The synthetic mechanism and conditions of dimethylsilyl bis-enol ethers of ketones were studied and four dimethylsilyl his-enol ethers of ketones were synthesized and the yields were high.

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  • 国际糖尿病》:二通常看作胰岛素增敏剂改善胰岛素抵抗方面,二双胍和吡格列区别哪些

    International Diabetes: metformin is often viewed as an insulin sensitizer. What is the difference between metformin and pioglitazone with regard to improving insulin resistance?

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  • 目的观察氨喋(MTX)联合米非司连续用药保守治疗妊娠疗效安全性

    Objective: to observe the curative effect and security of continue application of mifepristone combined with MTX on ectopic gestation.

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  • 格列联用脲类、胰岛素或者双胍用于8项试验(8501个病人)。

    Pioglitazone was tested in combination with a sulfonylurea, insulin, or metformin in 8 trials (8501 patients).

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  • 格列联用脲类、胰岛素或者双胍用于8项试验(8501个病人)。

    Pioglitazone was tested in combination with a sulfonylurea, insulin, or metformin in 8 trials (8501 patients).

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