制备了用对硝基苯甲酰氯处理的间氯甲酚或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.
甲基壬基甲酮;
从有机溶剂中生长4氨基二苯甲酮(abp)晶体。
Bulk crystal of 4 Aminobenzophenone (ABP) was grown from organic solution.
本方法适用于工作场所空气中二乙基甲酮的浓度测定。
The method is compatible with concentration detection of diethyl ketone in the air at a workplace.
系统研究了脂肪甲酮与芳香醛和芳香胺参与的曼尼奇反应。
Mannich reactions with aromatic, aromatic ketones and aromatic aldehydes and their applications were studied systematically.
硅胶管吸附空气中二乙基甲酮,热解吸后气相色谱(FID)测定。
Silica gel adsorption and thermal desorption were used for the sampling of diethyl ketone and analysis was performed by GC (FID).
生成的有机化合物成分比较复杂,主要成分有苯甲酸酐、苯甲酮等。
The organic compounds are mainly benzoic acid anhydride, benzophenone, and so on.
常温常压下,纳米级的镍基催化剂对苯乙烯和二苯甲酮分别有催化加氢活性。
Nanosized nickel based catalysts can be used to carry out the hydrogenation of styrol and benzophenone at normal temperature and pressure.
这一组中包括黄酮类化合物,二苯甲酮、一些香豆素、木质素、缩合单宁和芪。
The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes.
可聚合光引发剂的最大紫外吸收波长均发生红移,光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.
收集器里配有不同成分的纤维,每种纤维所含的活性分子都各异,比如有机酸、醇、胺、甲酮等。
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.
本文研究了在高压汞灯照射下,二苯甲酮和3,4 -聚异戊二烯间的能量传递机理。
This paper studied the energy transmission mechanism between benzophenone and 3, 4-polyisoprene which were irradiated by high pressure Hg lamp.
本发明的含有蒽苯甲酮取代基的氟单体及其制备方法和应用属于高分子材料的技术领域。
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.
以二苯醚与苯甲酰氯为原料,合成了一种新型的激光光敏刺——4 -苯氧基二苯甲酮(PBZP)。
A new photoinitiator, 4-phenoxy benzophenone (PBZP), was synthesized and characterized using diphenyl ether and benzoyl chloride as raw material.
通过色质联机GC - MS对降解产物进行了分析,并在此基础上提出了二苯甲酮的可能氧化路径。
The degradation products of benzophenone are analyzed by GC-MS. A possible reaction pathway is proposed based on the analysis.
你可能受到过相关警告,含有氰笨甲酮的防晒霜可能会使你的皮肤过敏,尤其是如果你对皮肤护理品很敏感的话。
You might encounter warnings that sunscreens with oxybenzone can irritate your skin, especially if you're sensitive to skin care products.
本文研究了环氧单体的种类及用量、异丙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.
然而,一份对于64份研究报告的分析表明,含有1%到6%的氰笨甲酮的防晒品并不会对大多数人的皮肤造成过敏或刺激。
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.
研究了以二苯甲酮和80%水合肼为原料,合成二苯甲酮腙的工艺,探讨了物料配比、反应时间、浓度等对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.
研究了在钛材反应器中液相空气氧化3,3',4,4'-四甲基二苯乙烷制备3,3',4,4'-二苯甲酮四羧酸的反应规律。
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.
为研究硫醇烯光固化组成物的反应机理,选用安息香双甲醚、安息香乙醚、安息香正丁醚、二苯甲酮和噻吨酮为光敏剂,用红外光谱法研究了硫醇烯的光化学反应动力学。
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.
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。
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.
采用甲硫醇、呋喃硫醇、吡嗪、反-2,4-壬二烯醛和呋喃酮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.
本文对酮的二甲硅基双烯醇醚的合成反应机理和反应条件进行了探讨,在此基础上合成了四个酮的二甲硅基双烯醇醚,产率较高。
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.
《国际糖尿病》:二甲双胍通常被看作是胰岛素增敏剂。在改善胰岛素抵抗方面,二甲双胍和吡格列酮的区别有哪些?
International Diabetes: metformin is often viewed as an insulin sensitizer. What is the difference between metformin and pioglitazone with regard to improving insulin resistance?
目的:观察甲氨喋呤(MTX)联合米非司酮连续用药保守治疗异位妊娠的疗效及安全性。
Objective: to observe the curative effect and security of continue application of mifepristone combined with MTX on ectopic gestation.
吡格列酮联用磺脲类、胰岛素或者二甲双胍用于8项试验(8501个病人)。
Pioglitazone was tested in combination with a sulfonylurea, insulin, or metformin in 8 trials (8501 patients).
吡格列酮联用磺脲类、胰岛素或者二甲双胍用于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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