Feasibility of tungsten electropolishing in sulfuric acid – methanol electrolyte 硫酸–甲醇体系钨电解抛光的可行性研究
The conditions for self-organized formation of nano-sized and ordered hexagonal anodic alumina arrays were investigated for both solutions of oxalic acid and sulfuric acid as electrolyte. 本文探索了在草酸和硫酸电解液中,铝阳极氧化自组织形成有序纳米六方结构氧化铝的条件。
Selection of the Analytical Method for Determination of Cl~-in Sulfuric Acid Electrolyte of Film Anode 薄膜阳极系统硫酸电解液中氯离子分析方法的选择
The Gold Award went to the entry'Waste Battery& Battery Acid ( Electrolyte) Collecting Machine'from the Hong Kong Jockey Club. 金奖落于***的「弃置电池及溶液安全处理设备」项目。
The content of α-Al_2O_3 decreases with increase of the concent of Na_2WO_4.The research on titanic micro-arc oxidation indicates that the ceramic coating in acid electrolyte is mainly composed of anatase TiO_2. The content of anatase TiO_2 increases with decrease of pH of the electrolyte. 钛微弧氧化研究表明:在酸性电解液中生成的氧化膜主要为锐钛矿型TiO2,且随着pH值的减小,锐钛矿型TiO2的含量增加,膜层表面结构不均匀,疏松多孔;
A two-step anodizing process was used to prepare porous alumina templates with adjustable diameter in the range of 10~ 200nm in the oxalic acid/ ethanol electrolyte. 采用二次阳极氧化法在草酸/无水乙醇电解液中制备了孔径可调,大小在10nm~200nm之间的多孔氧化铝模板。
Extraction Equilibrium Model of Amino Acid in Electrolyte Solutions 电解质溶液中氨基酸的萃取平衡模型
Cycle-life tests were made for batteries filled with acid and gel electrolyte and the results showed that the cycle-life of gelled batteries was longer than that of conventional acid ones when using Pb-Ca-Sn-Al or Pb-Sb-Cd alloys for positive grids. 用电动自行车电池灌注酸液和胶液进行了循环寿命实验发现,当正板栅合金使用PbCaSnAl或PbSbCd时,使用胶液的电池的循环寿命高于普通的酸液电池。
Research in experimenting high-purified phytic Acid used as electrolyte additive in an operating Al electrolyte Capacitor 高纯度植酸用作铝电解电容器工作电解液添加剂试验的研究
The chemical stability of the conductive layer resists the sulphuric acid in the copper electrolyte, and the layer therefore can electroplated from any acid copper electrolyte. 所形成的导电层其化学稳定性足以抵御酸铜镀液中的硫酸,因而可适用任何一种酸铜镀液。
Nanocrystalline Fe-Ni-Mo alloy with low Mo and high Fe content was electrodeposited from acid citrate electrolyte. 在酸性柠檬酸盐镀液中电沉积制备低Mo高Fe含量的Fe-Ni-Mo合金;
Proton exchange membrane fuel cell ( PEMFC) was composed of the whole fluorine sulfonic acid membrane for electrolyte solid polymer, the high load amount Pt was the electric catalyst, and diffusion layer was formed in porous structure. 质子交换膜燃料电池(protonexchangemembranefuelcell,PEMFC)由全氟磺酸膜型固体聚合物为电解质,高担量Pt为电催化剂,以及多孔结构的扩散层构成。
Power substrate was prepared by aluminium anode oxidation in sulfuric acid electrolyte which consists of carboxylic acids and organic compounds. The effects of current density and oxidation time on thickness and hardness of the obtained anodic oxidation film were studied. 在添加羧酸和有机化合物的硫酸电解液中,采用阳极氧化的方法制备了电路铝基板衬底,研究了电流密度和氧化时间对氧化膜厚度和硬度的影响。
A advanced method of pure gold ( 99.99% Au) electropolishing in sulfuric acid based electrolyte was proposed in this paper. 提出了一种在硫酸基电解液中纯金的电化学抛光方法,讨论了电解液组成浓度及工艺操作参量对纯金电化学抛光表面质量的影响。
Phosphoric acid as an electrolyte additive for VRLA battery was studied by testing the battery initial capacity and cycle life. 对磷酸作为VRLA电池电解液添加剂进行了初期容量和循环寿命试验研究。
The preparation of porous anodic alumina film is studied with sulfuric acid as electrolyte and the morphology of the film is characterized by field-emission scanning electron microscope ( FE-SEM). 以硫酸为电解液研究了多孔阳极氧化铝膜的制备,并采用场发射扫描电子显微镜对多孔氧化铝膜的形貌进行表征。
In ammonium acid carbonate electrolyte, the acidic functional groups content was increased slowly with the current density enlarging at first and then decreased quickly, the maximum content was got at ( 1.4 A/ g.) 采用碳酸氢铵电解质时,纤维表面酸性官能团含量随着电流强度的增大先缓慢增大而后迅速减少,电流强度为14A/g时达到最大值。
We have prepared porous alumina templates using oxalic acid as electrolyte. 我们用草酸溶液作为电解液,制备了多孔阳极氧化铝模板。
Moreover, the low kinetics of reaction of methanol and oxygen reaction in acid electrolyte is another key issue that limits the commercialization of acid DMFCs. 此外,在酸性电解液中,甲醇氧化及氧还原反应低的动力学是另一个限制DMFCs商业化发展的因素。
But it is not appropriate for phosphoric acid electrolyte owing to its highly corrosive attack on the oxide film. Finally, PZT nanotubes were synthesized using a sol-gel method together with spin-coating technique in through-hole PAA templates. The effect of the PZT sol concentration was studied. 最后,采用溶胶-凝胶旋转涂敷法在一次恒流高场阳极氧化法制备的通孔PAA模板中合成PZT纳米管,研究了溶胶浓度对其形貌的影响。
The main results are as follows: 1. Spent sulfuric acid battery electrolyte composition of complex. 主要研究结果如下:1.铅酸蓄电池废电解液硫酸的成分复杂。
Adsorption kinetics study shows that waste of natural zeolite on the adsorption of lead in sulfuric acid electrolyte, the initial step by the membrane diffusion control, until liquid disappears, the particle diffusion is the control step. 吸附动力学研究表明,天然沸石对废电解液硫酸中铅的吸附初期由膜扩散控制步骤,待液膜消失后,颗粒扩散为控制步骤。
Copper and sulphuric acid concentration of electrolyte directly affect cathode copper quality in the process of electrolyzation refining. It is an important routine to measure Cu and sulphuric acid concentration for liquid purifying attemper and quality control. 在铜电解精炼过程中,电解液中的铜酸浓度直接影响着阴极铜的质量,对铜酸浓度的监测成为净液调度和质量管理过程中的一项重要的日常工作。
The main contents are as follows. 1. Porous alumina templates have been prepared using oxalic acid as electrolyte. 主要研究内容有:1、用草酸溶液作为电解液,制备了多孔阳极氧化铝模板。
For a long time, a lot of researches have been taken at home and abroad on the performance of the lead acid battery by adding some additives into the sulfuric acid electrolyte. 长期以来,国内外对硫酸电解液中加入的某些添加剂对铅蓄电池性能的影响进行了颇多的研究。
Among the studied polymer electrolytes, polyacrylic acid polymer electrolyte has owned the highest conductivity, but the mechanical performance is poor because of the high water content. 其中,聚丙烯酸聚合物电解质是目前研究的电导率最高的一种聚合物电解质,但因其含水量过高而机械性能较差。