电解沉积

Nanometer Ag film is deposited on the interface of surface active agent and electrolyte by electrodeposition process.

采用电沉积方法在表面活性剂与电解液的界面上制备了银纳米膜。

The approaches,by which conducting polypyrrole could be electrodeposited on the surface of tantalun/tantalum pentoxide-based anode(1 microfarad, 16V), have been studied. The galvanostatically polymerized polypyrrole is used for the cathodes of tantalum electrolytic capacitors. Particularly, the influence of electropolymerization conditions, such assupporting electrolyte solution composition, anodic current value and applied mode, on the capacitance and dissipation factor of as-made capacitor has been discussed.

摘 要：研究了导电聚吡咯在多孔Ta／Ta2O5阳极体1μF/16V）表面的制备方法，采用恒电流电聚合法在该阳极体表面沉积一层导电聚吡咯作为电解电容器的阴极，着重探讨了支撑电解液的组成、阳极电流的大小及其施加方式对所形成的电容器容量和损耗因子的影响。

Alloy zinc powder; electrodeposition; surface modifiability; additive; rechargeability; EMD of pulse electrodeposite ; electrochemical performance

工程科技I，化学，物理化学、化学物理学合金锌粉；电沉积；表面处理；添加剂；可充性；脉冲电解MnO_2；电性能

The addition of organic polymer into the electrolyte has little effect on the electrodeposition process, and the composition of inorganic phase in the coating keeps constant.

电解液中添加有机高聚物，不影响电沉积过程，也不会影响电沉积陶瓷膜层中无机相的组成。

The results show that the electrodeposited calcium phosphate coating was converted to pure needle-like hydroxyapatite crystals in alkaline solution, the size of crystals become stout with the increase of current density and concentration of salts, the crystals structural was changed to squama structural with elevating the temperature of electrolyte, the volume of coating increase with the increase of quantity of electric charge.

结果表明：电沉积磷酸钙盐涂层经低温碱液处理后得到纯的羟基磷灰石涂层，羟基磷灰石晶体呈针状结构；随电流密度、主盐浓度的增加，晶粒变粗，随电解液温度的升高，晶体发生变化，出现鳞片状结构；涂层质量随沉积电量的增加而增大。

The results show that the TiO2 porous films can be obtained by anode oxidation using 10% H2SO4, voltage of 120V on the surface of Ti-6Al-4V alloy, and the aperture size is about 100-200nm. The acerate CaHPO4 with size of 200-400nm can be gained by the electrochemical deposition. Ultimately, the acerate CaHPO4 changed to the sheet Ca10(PO4)62 after being treated with 0.1mol/L NaOH in autoclave at 200℃ for 10 hours .

结果表明：钛合金（Ti-6Al-4V）板经以10％的硫酸为电解液和电压为120V时阳极氧化，产生孔径大约为100-200nm的多孔氧化膜，再经电化学沉积，得到尺寸大小约200-400nm针状的CaHP04，最后经盛有浓度为0.1mol/LNaOH 水溶液、温度为200℃的高压釜中水热合成10h，针状的CaHP04 转变为片状的Ca10(PO4)62。

The invention discloses an electrochemical method for preparing a hydroxylapatite particle thin coating on the surface of a metal implant, which comprises the following steps: electrolyte is put into a container equipped with a constant temperature heating system and heated to be 30 DEG C to 95 DEG C, and then the temperature is kept; platinum is taken as the anode and evenly distributed around the container, and the metal implant is taken as the cathode, put in the middle of the container and totally soaked in the electrolyte; DC voltage of 2V to 4V is added between the anode and the cathode, the surface of the metal implant has cathode reduction reaction, the pH value is increased and the supersaturation degree of the hydroxylapatite is also increased, so as to crystalize on the surface of titanium; after 0.5h to 5h of deposition, a layer of hydroxylapatite particle thin coating which can be excellently adhered to the matrix metal is formed on the surface of the implant.

本发明公开了一种在金属植入体表面制备羟基磷灰石颗粒薄涂层的电化学方法，在装备了恒温加热系统的容器中装入电解液，并将电解液加热到30～95℃恒温；将铂作为阳极均匀分布在容器四周，金属植入体作为阴极置于容器中间，完全浸没在电解液中，两极之间加直流电压2～4V，金属植入体表面发生阴极还原反应，pH值升高，羟基磷灰石过饱和度增加，从而结晶在钛金属表面；经过0.5～5小时沉积后，在植入体表面即可形成一层与基体金属结合优良的、薄的羟基磷灰石颗粒薄涂层。

Electrochemical reaction ; chrome ; micro electrolysis ; electrodeposits

电化学反应；铬；微电解；电沉积

The property of mechanical erosion for different refectories at room temperature has been studied through experiment.

在金属电沉积过程中，通过装置的电流随沉积时间的变化情况，从分形维数的角度对实验获得的金属铜、金属锌电沉积产物形貌与电解实验所使用的电解液浓度、外加电压以及实验温度等条件的相互关系进行了研究。

We found by the three-electrode experimental cell, deposition of metallic lithium during low-temperature charging is related to electrolyte, charging rate, cut-off voltage and so on.

通过三电极电池研究发现，锂离子电池在低温充电过程中出现的金属锂的沉积与电解液种类、充电倍率和截止电压等因素有关。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。