查询词典 acid radical

This paper reports on oscillatary reaction using benzoic acid cortainingmethylene radical hydrogen as medium.

本文报导了以不含亚甲基活泼氢的苯甲酸为底物的化学振荡反应。

Antioxidative activity of three naringin-metal complexes was characterized by applying methods of 1,1-diphenyl-2-picrylhydrazyl radical and thiobaribituric acid.

采用二苯代苦味肼基自由基法和硫代巴比妥酸法对3种柚皮苷-金属配合物的抗氧化活性进行了测定。

Ellagic acid helps reduce free radical damage and protect the nuclei of cell DNA against damage.

柔花酸能有效对抗游离基，更深层保护细胞中的DNA。

Depression can induce injuries on colon of rats, which was probably due to the abnormity of metabolism of oxygen free radical and arachidonic acid.

抑郁大鼠结肠的损害可能与其结肠组织中氧自由基与花生四烯酸代谢异常有关。

AIM: To study the effect of rosmarinic acid on free radical production and lysosomal enzyme release of rat peritoneal neutrophils.

利用紫外分光法、荧光分光法研究大鼠中性粒细胞自由基生成和溶酶体酶释放以及胞浆钙离子浓度。

However, when the target organic was acetic acid (an inhibitor of radical reaction),Fe2+/O3 and O3 had similar degradation efficiencies.

当目标有机物是对自由基链反应具有抑制剂作用的乙酸时，O3和Fe2+/O3对乙酸有着相似的降解效率。

The results shown that 12-molybdophosphoric acid did play inhibition in radical reactions, and the mechanism was conformed as electron capture theory.

通过使用电子顺磁共振仪对苯乙烯自由基聚合体系中自由基的跟踪测试，进一步证实12-钼磷酸确实能够在自由基聚合体系中起到阻聚剂的作用，而且更加明确地提出其阻聚机理：通过捕获体系中的电子达到抑制自由基聚合反应的发生。

1 The scavenging effects of fucoidans on superoxide, hydroxyl radical and hypochlorous acid were studied by the method of chemiluminescence and Escherichia.coli.

发现低分子量的岩藻聚糖硫酸醋对LDL有很好的抑制作用，活性明显高于大分子的组份，而且硫酸根含t越高，抗氧化效果越好。

Antioxidative activity of flavonoids from Lespedeza bicolor were investigated by examining the scavenging effects on hydroxyl radicals and superoxide anion O2(superscript - and the inhibitions on auto-oxidation of lard, rape seed oil, and linoleic acid, The results showed that LBF had significant scavenging functions to free radical and superoxide anion, and the scavenging effect increased with the increase of the content of LBF; LEF can remarkably inhibit auto-oxidation of lard, rape seed oil, and linoleic acid, indicating its potential as a natural antioxidant.

通过二色胡枝子黄酮(Lespedeza bicolor flavonoids， LBF)清除羟自由基、超氧阴离子的效果及抑制猪油、菜油、和亚油酸的自氧化来研究二色胡枝子黄酮的抗氧化活性。其研究结果表明，二色胡枝子黄酮对清除自由基有显著性作用，且清除率随黄酮浓度的增加而增大；能够极显著地抑制猪油、菜油、亚油酸的自氧化(P.01)，抑制作用随浓度的增大而增强。作为天然的抗氧化剂，二色胡枝子黄酮具有一定的开发利用价值。

A process for making an electronic device which comprises applying a nonaqueous plate-resistant ink by ink jet printing to selected areas of a dielectric substrate, optionally laminated with an electrically conductive metal, exposing the plate resistant ink to actinic and/or particle beam radiation to effect polymerisation, adding one or more metal layers by electrolytic or electroless deposition, the upper layer of which is an etchresistant metal, removing the polymerised plate-resistant ink with alkali and finally removing the electrically conductive metal which are optionally directly laminated to the dielectric substrate and not protected by an upper layer of etch-resistant metal by chemical etching wherein the plate-resistant ink is substantially solvent-free and comprises: A 30 to 90 parts acrylate functional monomers free from acid groups comprising mono- or higher functionality wherein 5 to 95% by weight are mono-functional monomers; B 1 to 30 parts acrylate functional monomer containing one or more acid groups; C 0 to 20 parts polymer or prepolymer; D 0 to 20 parts radical initiator; E 0 to 5 parts colorant; F 0 to 5 parts surfactant; and where the ink has a viscosity of not greater than 30 cPs at 40 DEG C and all parts are by weight.

一种制备电子装置的方法，所述方法包括以下步骤：通过喷墨印刷在任选层压了一种或多种导电金属的介电底材的选定区域涂覆非水的阻沉积油墨，将所述阻沉积油墨暴露在光化辐射和/或微粒束辐射中以完成聚合，通过电解沉积或无电沉积增加一层或多层金属层，其中最上层的金属层为一种或多种阻蚀刻金属，用碱除去聚合的阻沉积油墨，最后通过化学蚀刻将任选直接层压在所述介电底材上并且不被一种或多种阻蚀刻金属的上层保护的导电金属除去，其中所述阻沉积油墨基本不含溶剂，并且包含以下组分：A30-90份不含酸基团的丙烯酸酯功能性单体，所述单体包括单官能或多官能单体，其中5-95％重量为单官能单体；B1-30份包含一个或多个酸基团的丙烯酸酯功能性单体；C0-20份聚合物或预聚物；D0-20份自由基引发剂；E0-5份着色剂；和F0-5份表面活性剂；其中所述油墨的粘度在40℃下不高于30cPs，并且所有的份数以重量计。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。