查询词典 hydroxy acid

In this paper, the electroplating of bright Zn-Ni alloy process was studied, the effect of (1-hydroxy ethylidene diphosphonate acid coordinating agent, chloride content, [Zn2+]/[Ni2+] mole ratio, cathode current density, temperature, a class of aldehyde compound (abbreviated as ZNP additive agent) and supplementary coordinating agent on Ni content, and brightness of plating layer was discussed, the physical phase of alloy plating layer and stability of plating solution were determined.

研究了用有机多膦酸盐作络合剂，ZNP作添加剂电镀光亮锌镍合金，探讨了络合剂、氯化物含量、[Zn2+]/[Ni2+]比、阳极电流密度、温度、辅助络合剂对合金中镍含量的影响，测定了合金镀层中物相组成及镀液稳定性，通过筛选得出最佳最镀光亮锌镍合金的镀液组成及工艺条件，并讨论了锌镍合金的异常共沉积机理。

The main metabolites in each reactor were detected by UV/VIS, infrared and high performance liquid chromatography and mass spectrometry. Probably, the mother dye molecule facultatively hydrolyzed to produce 1-NH2-2-hydroxy anthraquinon, OH-substituted anthraquinon and 3,4-dihydroxy-benzonic acid.

对各反应器中主要的代谢产物分别进行紫外-可见、红外和高效液相色-质联谱仪检测分析后发现，母体染料经兼氧水解首先生成1-氨基-2-羟基蒽醌以及还原态的—OH基取代蒽醌隐色体，进一步水解生成3，4-二羟基苯甲酸。

This paper studies the synthesis of the Philippines from 9-hydroxy fluorene -9 - formic acid to its bromide process.

本文研究了由菲醌合成9-羟基芴-9-甲酸到其溴代的过程。

This paper studies the synthesis of the Philippines from 9-hydroxy fluorene -9 - formic acid to its bromide process.

谁有时间来给翻译一段话谢谢！~~^_^摘要：本文研究了由菲醌合成9-羟基芴-9-甲酸到其溴代的过程。

The SERS spectra of isoquinoline and its six derivates 3 -isoquinolinecarboxylic hydrate (Ⅱ, 1-isoquinolinecarboxylic acid, methyl 3-isoquinolinecarboxylate, isocarbostyril, 5-hydroxy-isoquinoline and 1, 5-isoquinolinediol were obtained by mixing the chemicals with silver colloid.

应用SERS技术，我们获得了异喹啉及其六种衍生物3-羧基异喹啉(Ⅱ，1-基异喹啉，甲基-3-羧基异喹啉酸酯，1-羟基异喹啉，5-羟基异喹啉和1，5-二羟基异喹啉的喇曼光谱。

Hydroxy and α-keto amino acid analogs of diet in

中的α-羟基和α-酮基氨基酸同型物。

The dark green bis-anion obtained from treatment of 10-hydroxy-5, 10-dihydrophenophosphazine 10-oxide with NaH reacted with MeI at about 120℃ in anhydrous DMF to give N-methyl phosphinic acid.

在无水DMF中，用NaH处理5，10-二氢磷杂吖嗪环系次膦酸，得到黯绿色双负离子钠盐，该钠盐与MeI在约120℃下反应，得到N-甲基-5，10-二氢磷杂吖嗪环系次膦酸。

Delayed Extraction Matrix Assisted Laser Desorption/Ionization Mass Spectrometrywas used to high resolution analysis of mix based DNA samples,using the binary matrices 3 HPA(3 Hydroxy 2 Picolinic Acid)/PAand substrate nitrocellose film.

本文使用延迟引出基体辅助激光解吸/电离质谱( DE- MALDI- MS)法，以3-羟吡啶甲酸和吡啶甲酸混合液为二元基体，硝化纤维膜为基底，对混合碱基组成的 DNA样品进行高分辨率测定，获得满意的结果：DNA2 0 - mer分子离子峰分辩率为 8769，DNA 36- mer为 1 650 ，DNA 54- mer为 843，前二者的组成分子离子峰各同位素峰清晰可辩。

The novel reaction to create 6,7-dimethoxy-1-(3,4-dimethoxyphenyl)-4-hydroxy-naphthalene 83 in one-pot procedure was found during the synthesis of diphyllin, which started from catechol dimethylether and succinic anhydride and involved heating the molten mixture of the two reactants in the presence of polyphosphoric acid at 140℃.

这个反应是用邻苯二酚二甲醚和丁二酸酐为原料，把两个原料的混合物熔融后，加入PPA，在140℃下搅拌后就会有产物生成。

The results showed that the interactions between Al(superscript 3+), Fe(superscript 3+), polysilicic acid, the polynuclear hydroxy complexes of Al(superscript 3+), Fe(superscript 3+) and SO(superscript 2- subscript 4) had a compositive effect of electric neutralization, adsorption and bridge on the coagulating properties.

结果表明，含硅多核无机高分子絮凝剂的混凝作用是铁离子、铝离子、聚硅酸、铝铁离子的水解聚合物以及它们和硫酸根离子相互作用的产物对废水中胶体悬浮物颗粒的电中和、吸附架桥及粘附卷扫等综合作用的结果。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。