电极的

Electrosynthesis is a new method for preparation of αalanine. There is few reference about it, but electrosynthesis has a high selectivity and a high current efficiency. In addition, the operating condition is mild, and the reaction process is easy to be controlled.

有关电化学法合成α—丙氨酸的文献仅有两篇，虽然这方面的研究很不充分，但是电合成法避免了剧毒物质的使用，操作条件温和，通过选择电极材料、电极电位和电流密度等电化学参数，能够控制合成发应的进程，而且电合成可以具有很高的选择性和电流效率。

The parameter of beam positions at HLS 200 MeV LINAC is very important to injection efficiency.A new strip-line beam position monitor system was designed recently,which is not interceptive to beam,qualified in precision and easy to digitalize the results.

合肥光源(Hefei Light Source，HLS)200 MeV直线加速器的束流横向位置是一个重要的运行参数，直接决定注入的效率，为此新开发了一种非拦截型、高精度、易于将测量结果数字化的条带电极束流位置测量系统(beam position monitor， BPM)，该系统由条带电极和信号处理系统组成。

While electrode performance of these materials was deter mined by the simulated battery test. Based on these results, the effects of the mechanical alloying, the composition with AB5 hydrog en st orage alloys and electroless plating on the electrode capacity of Mg2Ni hydrogen storage alloys were discussed.

利用X射线衍射、扫描电镜分析了经过处理的材料的微观结构，并用模拟电池法测定了该材料的电极性能，并讨论了化学镀和与AB5型储氢合金复合等因素对Mg2Ni合金电极特性的影响。

Two kinds of fluids including liquid crystal and the mixture of liquid crystal and dibutyl sebacate were injected into the micro motors with four different structures of electrodes respectively.The renational corves between the rotate speed of the rotor and the voltage were got,and a series of conclusions o...

分别将单体液晶和单体液晶与癸二酸二丁酯的混合液体注入具有4种不同电极结构的微马达，得到了8条转子转速与电压的关系曲线，得出了转速与电压、液体种类、电极结构等关系的一系列结论。

Using of HCl solution substituting acetate buffer as analytical solution, not only would reproducibly renew the electrode surface with an electrochemical clear procedure, but also could eliminate effect of hydrolysis of bi species. At the same time, the square wave anodic stropping method of BiFEs could be extended to analyze sample containing chloride anion, such as sea water.

以稀HCl作为分析基础溶液替代传统的乙酸缓冲溶液，不仅可采用简单的电化学清洗方法高重现性地再生活化玻碳电极表面，并且，可消除金属离子的水解反应对检测结果产生的不利影响，同时可将铋膜电极SWAV检测方法拓展至分析检测海水等含氯离子样品。

The effects of different steel bars and their various methods of connection on macrocell corrosion were analyzed, and the advantages and disadvantages of connection methods of steel bar were evaluated in terms of concrete structure durability.

根据参比电极扫描采集的电极电位数值曲线，分析了各种钢筋及其不同连接方法对其宏电池腐蚀的影响，并从混凝土结构耐久性的角度对各种钢筋连接方式的优缺点进行了评价。

There have been various electrodes developed over the years from Sheeley's large electrode through to Sluijter's disposable sign 22 gauge cannulae.

从Sheeley的大电极到Sluijter的一次性22G导管针，经过数年的发展目前有许多种不同的电极可供选择。

It is discussed that wire-electrode how to affect the machining process and machining quality. The amplitude is tested of guide pulley vibration at different wire-electrode travelling speed.

讨论电极丝振动对加工过程和加工质量的影响，测试不同丝速下导轮振动的振幅；从弦线理想方程出发，求出电极丝振动的理想数理方程的解。

The secondary variables include the angle of the electrode to the work, the angle of the work itself, the thickness of the flux layer, and, most important , the distance between the current pickup tip and the arc also called electrode stickout.

次要变量包括电极相对于工作台的角度、工作台角度、焊剂层的厚度以及导电嘴和电弧的间距。其中电极干伸长是最重要的变量。

The results showed that electrochemical capacity of hydride measured by a conventional three-electrode open cell was higher than that determined in a sandwiched and in a sealed Ni/MH test cell.

结果表明，开口式三电极系统测出的放电容量明显高于夹片式和模拟电池系统所测出的放电容量，夹片式电极系统测试的结果和模拟电池系统测试的结果比较一致。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。