简要介绍含二苯酮基的大分子光敏引发剂的合成制备、引发聚合机理及应用方面的研究进展情况。
This paper discusses, the synthesis, photoinitiation polymerization mechanism and applications of polymer photosensitized initiator containing side chain benzophenone chromophores.
第一部分：3 -酮基- 6 - O -甲基红霉素- 9 -取代肟基衍生物的合成与体外抗菌活性。
The first part: synthesis and in vitro activity of 3-keto-9-o-substituted oxime derivatives of 6-o-methyl erythromycin a.
通过对该合聚物的IR和NMR谱图分析，得知该聚合物含有酯基和酮基的结构单元，以及环缩醛的侧链。
The IR and NMR spectra of the polymers indicated that the polymer structure contained ester and ketone units in the backbone, and a cyclic acetals as side chain.
对低能离子注入2-酮基-L-古龙酸（2-KLG）生产菌的生物学效应和注入离子对DNA的损伤效应进行了初步研究。
The biological effect of 2-keto-L-gulonic acid strains and their DNA implanted by low energy ions have been studied.
综述了在甾体化合物11 -位引入羟基的各种化学合成方法，主要包括酮基还原法、上脱卤素法、硼烷双氧水法、过氧化-还原法等。
Introduction of 11-hydroxy group into steroids by chemical methods, such as keto-reduction, halogenation-dehalogenation, borane-hydrogen peroxide and peroxidation-reduction are reviewed.
各种类型的茶都富含有某种被称为类黄酮的抗氧化物质，黄体酮的起防止自由基破坏细胞的作用。
Both types of tea are abundant in certain antioxidant chemicals called flavonoids, which obstruct the action of cell-damaging free radicals.
而冷冻干燥的疫苗则在置入微针模子前与乙烯基吡咯烷酮单体混合、并在室温下用紫外光将混合物聚合。
Freeze-dried vaccine was mixed with the vinyl-pyrrolidone monomer before being placed into microneedle molds and polymerized at room temperature using ultraviolet light.
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.
本文用自由基捕捉剂与esr相结合的方法系统研究了各种取代苯胺与二苯酮光化夺氢反应中的活泼自由基。
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.
对于硫醯亚胺与矽基酮的自由基反应，则是得到低产率的简单环化产物，而不是预期的烯醇矽醚化合物。
In another direction, the radical cyclization of thioimide with acylsilane produced simple cyclization product in low yield without expected enol silyl ether compound.
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.
共培养培养基中添加乙酰丁香酮可提高转化频率。
It was beneficial to add acetosyringone into cocultivation medium for improving transformation frequency.
与亲株相比，该菌株完全丧失了转酮醇酶活性，能够在培养基中大量积累D核糖。
The mutant had entirely lost transketolase activity and could accumulate a large amount of D? ribose in the culture medium. The amount of D?
二向色性蓝蒽酮改性引入磺酸基，偏光分析表明其水溶液中分子自组装为溶致液晶相，织构呈带状。
The polarized light analysis of modified indanthrene blue RSN aqueous solution showed that their molecules were self-assembled lyotropic liquid crystal phases with strip textures.
探讨了苯环上烃基化的条件以及查尔酮合成方法和条件。
The synthesis methods of chalcone and benzene ring alkylation are discussed.
聚乙烯基吡咯烷酮(pvp)，是一种水溶性精细高分子聚合物。
Polyvinylpyrrolidone (PVP) is a kind of fine polymer obtained by free radical polymerization of N-vinyl pyrrolidone (NVP).
提出了一种合成芳基氟喹诺酮抗菌剂二氟沙星和替马沙星的新方法。
A new synthetic method for preparing two arylfluoroquinolone antimicrobial agents, difloxacin and temafloxacin, was reported.
本研究的核心是利用该交联剂与N-乙烯基吡咯烷酮（NVP）进行交联共聚反应，制得目前国内外最新型的组织工程支架材料。
A series of biodegradable crosslinked NVP scaffold materials were prepared by radical polymerization of the biodegradable crosslinking agents and NVP using azoisobutyronitrile (AIBN) as initiator.
用此法制得的聚乙烯基吡咯烷酮适用于药物和食品工业。
The PVP obtained can be applied to the pharmaceutical and food industries.
反应产生的乙醛、酮和有机酸可以在培养基中积累。
The products acetaldehyde, ketones and organic acids accumulate in the culture medium.
研究了聚合物分子量、交联剂N-乙烯基吡咯烷酮与引发剂过氧化苯甲酰的含量对最高交联温度、固化时间、压缩强度及压缩模量的影响。
The effect of UPPE molecular weight, NVP/UPPE ratio, BPO/UPPE ratio on the crosslinking temperature, setting time, compressive strength and compressive modulus was investigated.
对甲基异丙烯基酮的合成工艺进行了改进，比较了在不同温度下，对醇酮中间体和脱水反应收率的影响。
Improvement of synthesis process of methyl isopropenyl ketone was introduced, and the yields in different temperature was compared.
目的设计合成1位为5氟2吡啶基的吡酮酸衍生物，并对其抗菌活性进行初步评价。
AIM to design and synthesize 1 (5 fluoro 2 pyridyl) quinolone derivatives, and to study their in vitro antibacterial activities.
通过甲酰基异长叶烯与酮的缩合反应合成出六种具有香气的新化合物。
Six types fragrant new compounds were synthesized by the condensation reactions of formylisolongifolene with ketones.
以硅胶为催化剂，丙酮和甲醛可经常压缩合反应合成甲基乙烯基酮。
Atmospheric vapor phase catalytic condensation of formaldehyde with acetone for manufacture of methyl vinyl ketone has been studied.
研究2-乙基-3-羟基-6-苯硫基-4（1H）-吡啶酮（HPP）对羟自由基和超氧阴离子自由基的影响。
The effects of 2-ethyl-3-hydroxy-6-phenylthio-4(1H)-pyridinone (HPP) on hydroxyl radical and superoxide anion radical scavenging activity was studied.
研究了合成n—乙酰基—2—咪唑烷酮的新工艺，详细讨论了影响产品收率的主要因素。
A new technology for synthesis of N-acetyl-imidazolidone-2 as studied in this paper. The main factors which affect the yield of the product were discussed in detail.
其结构经红外光谱、核磁共振谱及元素分析证明为2—乙酰基—7—甲胺基—4—溴革酮。
The structure of the product was proved by IR, HNMR and elemental analysis. That is 2 -acetyl - 7 -methylamino -4-bromotropone.
采用一步法和二步法研究了聚乙烯薄膜表面的N- 乙烯基吡咯烷酮光接枝反应，并用傅立叶变换红外光谱仪定性表征了反应结果。
The photografting polymerization of Nvinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPEgNVP was characterized by FTIR qualitatively.
采用一步法和二步法研究了聚乙烯薄膜表面的N- 乙烯基吡咯烷酮光接枝反应，并用傅立叶变换红外光谱仪定性表征了反应结果。
The photografting polymerization of Nvinyl pyrrolidone (NVP) on the surface of LDPE film with photo grafting method was studied and LDPEgNVP was characterized by FTIR qualitatively.
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