• Results The minimum content of Baishouwu benzophenone was 0.58%.

    结果白首乌二含量不低于0.58%。

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

    生成有机化合物成分比较复杂,主要成分有苯甲酸甲酮

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  • The polarographic wave of benzophenone-12 was studied by linear sweep polarography in different kinds of buffer systems.

    线性扫描极谱研究了雷公藤内酯酮不同缓冲体系和氧化剂作用下极谱催化波。

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

    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甲酮的可能氧化路径

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

    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

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

    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

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

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

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  • Objective:In order to find the best condition for the synthesis of 4 (2 chloroethoxy)benzophenone, including the proportion of material, the time of reaction.

    目的:探索42乙氧基)二合成条件包括原料配比反应时间等。

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  • 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.

    研究钛材反应器液相空气氧化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

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

    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。

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  • 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个二化合物,其结构分别2 甲氧基- 3, 4 -亚甲氧基-二苯I), 4 羟基-2, 6 -二甲氧基-二苯酮(II)。

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  • HALS are experimentally used in PVC films in this study. It is shown that thermostabilization and photostabilization functions of HALS are similar to those of benzophenone in PVC.

    受阻胺光稳定剂试用PVC薄膜,结果表明,该光稳定剂用于PVC中,其光、热稳定效果与二甲酮类紫外光稳定剂相近

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  • This paper discusses, the synthesis, photoinitiation polymerization mechanism and applications of polymer photosensitized initiator containing side chain benzophenone chromophores.

    简要介绍二苯酮基的大分子光敏引发剂合成制备、引发聚合机理应用方面研究进展情况。

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  • Active free radicals in the photochemical hydrogen abstraction reaction between benzophenone and aromatic amines have been studied systematically by combination of spin trapping reagents and ESR.

    本文用自由基捕捉剂esr结合方法系统研究了各种取代苯胺与二光化反应中的活泼自由基。

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  • 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.

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

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  • 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

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  • 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.

    工作对两种常见商品紫外吸收剂——2-羟基-4-甲氧基二苯甲酮(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

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  • 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.

    工作对两种常见商品紫外吸收剂——2-羟基-4-甲氧基二苯甲酮(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

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