查询词典 alcohol acid

The measuring of conductivity of the copolymers also indicates that addition of phthalie acid did not destroy the conjugation system of homopolymer of propargyl alcohol.

产物电导率的测量亦说明邻苯二甲酸的加入，并没有破坏聚丙炔醇的共轭体系，但共聚物的电导牢随邻苯二甲酸的含量增加而略有降低。

The IR spectra of the copolymers demostrate that copolymers were polycondensation product of homopolymer of propargyl alcohol with phthalic acid.

IR光谱证明了共聚物是邻苯二甲酸与丙炔醇均聚物的缩合产物。

The inhibition of propargyl alcohol for 1Cr18Ni9Ti stainless steel in hydrochloric acid solution is studied with the cyclic voltammetry and ellipsometry.

采用循环伏安法和椭圆偏振光谱法，研究了丙炔醇(Propargylalcohol，PA)对 1Cr18Ni9Ti不锈钢在含有氯离子的腐蚀环境中的缓蚀作用，实验表明Cl-能使 1Cr18Ni9Ti不锈钢发生点蚀，而缓蚀剂PA对不锈钢受到Cl-的腐蚀起抑制作用。

A corrosion inhibitor CH - 10 used in high temperature acid treatment was obtained by compounding this cationic Mannich base with propargyl alcohol.

针对Mannich碱型缓蚀剂存在的溶解性不好和缓蚀率不高等问题，以甲醛、环己酮和苯胺为原料，合成了一种Mannich碱型缓蚀剂CH-9，将其阳离子化后，再与丙炔醇复配，得到了阳离子型高温酸化缓蚀剂CH-10。

In this thesis, the advantages and disadvantages of potentiodynamic polarization curve, electrochemical impedance spectroscope and coulostatic method for studying corrosion inhibitors in acidic mediums were compared. And then the effect of three popular acid corrosion inhibitors such as thiourea, dodecylamine and propargyl alcohol on the corrosion inhibition behaviors of Q235 steel in acidic solutions were investigated by these techniques. The anodic desorption behavior and extreme value phenomenon of concentration were surveyed thoroughly as well.

本文讨论了动电位极化曲线、电化学阻抗谱和恒电量测量方法在酸性介质缓蚀剂研究中的优势和不足，在此基础上，研究了硫脲、十二胺和丙炔醇等三种常见酸性介质缓蚀剂对Q235钢在酸性溶液中的缓蚀行为和机理，并深入探讨了缓蚀剂的阳极脱附和浓度极值现象。

Their corrosion inhibition action of stainless steel in hydrofluoric acid is studied by adsorption theory and electrochemical polarization-curve method,the mechanism of corrosion inhibition action is analyzed.the result shows that the single molecule layer of these compounds is adsorbed on the surface of the stainless steel and followed Langmuir isothermal equation. the adsorption procedure of propiolic alcohol is endothermic reaction, the adsorption ability and corrosion inhibition efficiency increased when temperature rised. The adsorption procedure of other three compounds are all exothermic reaction , the adsorption ability and corrosion inhibition efficiency decreased when temperature increased.

实验结果表明：这几种物质在不锈钢表面产生单分子层吸附，并且满足Langmuir吸附规律，丙炔醇的吸附过程为吸热反应，随着温度的升高，吸附能力增强，缓蚀率升高；其它三种化合物的吸附过程均为放热反应，温度升高，吸附能力下降，缓蚀率降低。

Nd_2O_3 was used as the catalyst for esterification of n-butyl alcohol with propionic acid.

采用氧化钕为固体催化剂，对丙酸丁酯合成的最佳工艺条件作了研究。

By using sodium hydrogen sulfate as the catalyst,benzyl alcohol and propionic acid reacted to form benzyl propionate .

以苯甲醇、丙酸为原料，硫酸氢钠为催化剂，合成了丙酸苄酯。

It is discovered that isomerization of 2,10-epoxypinane produce mainly perillyl alcohol in 353 ~ 363 K catalyzed by acid catalysts in strongly polar protonic solvent.

结果表明：在酸催化剂存在下，强极性非质子溶剂中，2，10-环氧蒎烷于353-363 K可定向重排生成紫苏醇。

A new thermographic material was studied,in which hydrophilic polyvinyl alcohol was used as a binder, nickel stearate was used as a main material and pyrogallic acid was used as a developer.

本文对以水溶性聚乙烯醇为粘合剂，硬脂酸镍(NiSt2)为主要原料，焦性没食子酸为显影剂的一种新型热成像材料的研究。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。