查询词典 electrochemical

Instantaneous current efficiency of the electrochemical oxidation process of Cr~(3+) in the absence and presence of ultrasound was studied in a divided electrochemical cell.

研究结果表明：在有超声作用和机械搅拌条件下，蒽的转化率和反应速率均比无超声作用时高，且超声作用下的转化率和反应速率又高于机械搅拌。

There are many electrochemical methods for measuring the diffusion coefficient of lithium in carbon such as Electrochemical Impedance Spectra method、Potential Step Chronoamperometer 、Potential Intermittent Titration Technique 、Current Pulse Relaxation and Warburg impedance methods.

测试锂在碳材料中扩散系数常用的方法有电化学交流阻抗图谱法、电位阶跃时间电流法、电位间歇滴定法、电流脉冲驰豫法和Warburg阻抗法等。

The main content of this thesis includes: studies on the preparation, surface-modification mechanism and electrochemical performance improvement of spinel LiMn〓O〓; Preparation and properties of 5V cathode materials 〓; Physical properties and electrochemical performance studies on layered 〓 for lithium ion batteries.

本论文的主要研究内容包括：正尖晶石LiMn〓O〓的制备、表面修饰改性机理以及电化学性能的改善；具有正尖晶石结构的5伏正极材料〓的合成与性能探索；具有层状结构的镍锰基化合物〓的物理性质与其作为锂离子电池正极材料的电化学性能以及该材料的产业化探索。

Polytetrafluoroethylene bonded carbon-based oxygen electrode are widely used in many important electrochemical technologies, such as fuel cells, matal/air batteries, organic electrosynthetic processes and electrochemical devices for decontamination of wastewaters.

聚四氟乙烯粘结的碳基氧电极广泛地应用在燃料电池、金属/空气电池、有机电合成及电化学废。。。

The microstructure, morphology of the products and the structure of carbon were characterized by X-ray diffractometry, scanning electron microscopy and Raman microprobe spectra. The electrochemical impedance spectroscopy and charge-discharge test were used to study their electrochemical performances.

采用X射线衍射、扫描电镜和拉曼光谱技术对合成产物的晶体结构、表面形貌和碳结构进行表征，通过电化学阻抗谱和充放电测试对材料的电化学性能进行测试和分析。

This thesis consists of two parts: determination of electrochemical Peltier heat and electrode surface wettability; investigation of electrochemical control flotation of gold.

本文由两部分组成：第Ⅰ篇是电极过程热效应和润湿性的测定；第Ⅱ篇是黄金的电化学调控浮选实验室研究。

A new method for the preparation of nano Prussian blue was proposed, and the electrochemical process of the atoms at the surface of nano Prussian blue was observed with electrochemical method.

提出了一种新的纳米普鲁士蓝的合成方法，并用电化学方法观测到了纳米普鲁士蓝表面原子的电化学行为。

Also, the effects of electrolyte additives and electrode-preparing technology on the electrochemical properties of MnO2 electrode were studied.lt was found that acceding 10%TEA to 9mol/LKOH solution improved the electrochemical capacity of the electrode in seconde reaction.

对电解质添加剂、电极制备工艺等因素对纳米二氧化锰性能的影响做了研究，发现在9mol／L的KOH溶液中加入10％TEA添加剂，电极第二步放电容量提高，电极的可逆性增强。

Mainly using protein - film voltammetric technique, we have achieved direct electrochemical response of lots of proteins such as hemoglobin, myoglobin, cytocrome c, cytocrome b5, horseradish peroxiase, GOD ,Vitreoscillia sp. haemoglobin, etc., at a series of protein membrane modified electrodes, for instance, protein/kieselgubr, protein/polyethylene glycol, protein/polyethyleneimine, protein/phosphatidylcholine, protein/DNA, protein/montmorillonite/polyvinyl alcohol, protein/silver nanoparticle/ cysteamine membrane modified electrode, etc., which are prepared by casting, incorperating or layer by layer self-assembly methods. Electrochemical behavior of these proteins in the films have been studied, and their structural and conformational changes have also been examined with spectrometric techniques.

三年来，在基金委的支持下，我们以蛋白膜伏安法这一新技术作为主要的研究手段，并结合其他生物、化学技术，研究了血红蛋白、肌红蛋白、细胞色素C、细胞色素b5、辣根过氧化物酶、葡萄糖氧化酶以及好氧革兰式阴性菌透明颤菌中的血红素类蛋白等多种蛋白质在以涂布和自组装方法制成的蛋白质/硅藻土膜、蛋白质/聚乙二醇膜、蛋白质/卵磷脂膜、蛋白质/聚乙烯亚胺膜、蛋白质/蒙托石/聚乙烯醇自组装膜以及蛋白质/银胶/半胱胺自组装膜等修饰电极上的直接电化学行为，结合各种光谱技术，对蛋白质在膜中的构象进行表征，探索其电子传递机理。

The experimental results show that the electrochemical synthesis process of sodium dichromate from sodium chromate presents zero order reaction kinetic characteristics, and the electrochemical synthesis process of chromic anhydride from sodium dichromate presents first order reaction kinetic characteristics.

铬酸钠电催化合成重铬酸钠反应表现为拟零级反应动力学特征，重铬酸钠电催化合成铬酸酐反应表现为拟一级反应动力学特征。

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。