查询词典 acid-carbonate

Several routes for synthesizing methyl isopropyl ketone were introduced, including the main methods based on isobutyl aldehyde-acetic acid, isobutyric acid -acetic acid, methyl ethyl ketone-formaldehyde and isoprene.

介绍了甲基异丙酮的多种合成路线，主要有异丁醛-乙酸法、异丁酸-乙酸法、甲基乙基酮-甲醛法和异戊二烯法。

The potential-dependent SERS of the three pyridinecarboxylic acids (picolinic acid, isonicotinic acid, and nicotinic acid) on polycrystalline silver electrode are studied in this paper.

本文通过表面增强拉曼散射研究了三种不同构型的吡啶羧酸-皮考酸、异烟酸和烟酸在粗糙银电极表面上的吸附形态随电极电位的变化关系。

With the varying of potential the adsorption behavior of picolinic acid is invariant,while the adsorption behavior of isonicotinic acid and nicotinic acid may change.

分析表明在电极电位负移过程中皮考酸分子一直采取通过羧基和苯环上的N原子侧立吸附在银电极表面，与之不同的是，异烟酸分子和烟酸分子在表面的吸附状态都随电位改变发生了变化，我们对此进行了分析和解释。

The potential-dependentSERS of the three pyridinecarboxylic acids (picolinic acid, isonicotinic acid, andnicotinic acid) on polycrystalline silver electrode are studied in this paper.

本文通过表面增强拉曼散射研究了三种不同构型的吡啶羧酸-皮考酸、异烟酸和烟酸在粗糙银电极表面上的吸附形态随电极电位的变化关系。

With the varying of potential the adsorption behavior of picolinic acid is invariant, while the adsorption behavior of isonicotinic acid and nicotinic acid may change. The probable reasons are given.

分析表明在电极电位负移过程中皮考酸分子一直采取通过羧基和苯环上的N原子侧立吸附在银电极表面，与之不同的是，异烟酸分子和烟酸分子在表面的吸附状态都随电位改变发生了变化，我们对此进行了分析和解释。

In this thesis, five polydentate ligands including azido, oxalate, terephthalic acid, isophthalic acid and Pyridine-2,6-dicarboxylic acid were used to construct new transition metal complexes (M = Ru, Fe and Zn). Eight new complexes as listed below were synthesized and fully characterized.

本论文以草酸根、叠氮根、对苯二甲酸、间苯二甲酸和吡啶-2，6-二羧酸等含O、N的多齿共轭配体为研究对象，合成了以下八个结构新颖的化合物，并对它们的结构和谱学性质进行了详细的表征。

From the structural analysis of three praseodymium complexes, we could draw a conclusion that as the dentate arms of carboxyl group on ligands elongating, the coordination numbers of Pr and the coordination modes of ligands increase, and the mean distances between metallic atoms of metallic helices existing in these complexes augment.2. By altering 5-substituting group of isophthalic acid three series of lanthanide complexes 8～19 with 5-methylisophthalic acid and 5-nitroisophthalic acid have been prepared.

从得到的三个配体的镨配合物的结构分析可以看出，随配体的羧基齿臂的增长，Pr的配位数逐渐增大，配体的配位模式增多，配合物中存在的螺旋金属链中的金属间平均距离增大。2、通过改变间苯二甲酸配体的5位取代基，制备了5-甲基间苯二甲酸和5-硝基间苯二甲酸的三个系列稀土羧酸配合物8～19。

The wholly aromatic four-component copolyesters were prepared from p-acetoxy-benzoic acid, hydroquinone diacetate, 2,6-naphthalene dicarboxylic acid and isophthalic acid by melting polycondensation.

由对乙酰氧基苯甲酸、对苯二酚二乙酯、2，6-萘二甲酸及间苯二甲酸四种单体通过熔融缩聚反应，合成了全芳香族四组分共聚酯。

And 2-10% acrylic acid, meth acrylic acid, or itaconic acid, or their mixts.

2-10%的丙烯酸、甲基丙烯酸或衣康酸或它们的混合物。

In the second week,patients in respiratory alkalosis combined metabolic acidosis or respiratory alkalosis mixed acid-base disturbance,should be careful of the sharp type occur and treat it in time.When metabolic alkalosis occur or remove the block of the respiraˉtory,respiratory alkalosis disappear,indicate the disease recover.When some medicine involve acid balance is used must pay attention to the acid-base disorders,adjust it in time,when respirator is used in the treatment,be careful of the adˉjustment to the respiratory alkalosis and must control the pressure level rational.

患者病程2周内出现呼碱代酸或呼碱型三重酸碱失衡，应高度警惕发展为极重型的可能，积极加强治疗；出现单纯的代碱或排除气道阻塞、呼吸肌疲劳及机械通气因素造成的呼酸，以及呼碱消失，可能预示着病情开始恢复；应用某些药物时要随时注意酸碱失衡，及时调整或纠正；应用机械通气要着重对呼碱因素进行治疗，合理调整压力水平。

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。