查询词典 electrode welding

Results A total of 51 cases of patients with 6 cases of pacemaker dysfunction occurred: Pacing electrode catheter dislocation example 1 (1.9%), electrode fracture example 1 (1.9%), electrode insulation layer breakdown of example 1 (1.9%), 4 cases of perceptual dysfunction (7.8%), pacemaker-mediated tachycardia I example (1.9%), adopted to adjust the pacing parameters or replacement of pacemakers and pacing electrode catheter, pacing function returned to normal; 5-year follow-up, 3 cases of capsular hematoma and capsular rupture (5.9%), out by local hematocele, antibiotic rinse, closed cavity, in severe cases, re-incision and drainage to remove blood clots after compression bandaging article, in severe cases of infection, clear sinus, closed cavity, catheter inserted in the contra-lateral re-production of capsular bag implantation of pacemaker, to strengthen the anti-inflammatory treatment, made a very good effect. Two cases with pacemaker syndrome, 13 cases with cardiac dysfunction, 8 cases with cerebral infarction.

结果：51例患者中共有6例发生起搏器功能异常：起搏电极导管脱位、电极断裂、电极绝缘层破裂起搏器介导的心动过速各1例(1.9%)，感知功能障碍4例(7.8%)，通过程控或更换起搏器和起搏电极导管后，起搏功能恢复正常。5年随访中，囊袋血肿、囊袋破溃者3例(5.9%)，经局部抽出积血，抗生素冲洗，严重者重新手术后取得很好疗效；2例患者出现起搏器综合征，13例患者出现心功能不全，8例患者并发脑梗死。

Cyclic voltammetry indicated that there were Cr→Cr, Cr →Cr oxidation reaction on anode, while there were Cr→Cr, Cr→Cr, Cr →Cr deoxidization reaction on cathode. The graphite electrodes treated by acid and heating could enhance the reversibility and kinetic of the electrode reaction. The nature graphite electrodes had been eroded during charge/discharge process, while the graphite electrodes by activation could avoide corroding by hexad chromium ion. The reversibility and kinetic of the electrode reaction of chromium ion on activation electrode had been increased, so which indicated that graphite surface augment oxygenous function corps which could increase electrode hydrophile capability.

循环伏安实验表明：铬液流电池的电极反应非常复杂，在阳极存在Cr→Cr，Cr→Cr的氧化反应，在阴极存在Cr→Cr，Cr→Cr，Cr→Cr的还原反应；热处理的石墨电极和重铬酸钾处理的石墨电极能提高电极反应的活性和可逆性；在充放电实验中未处理的石墨电极发生严重腐蚀；分别用这两种方法处理过的石墨电极具有防止六价铬侵蚀的功能；铬离子在活化处理过的石墨电极上的反应活性和可逆性增加，可以认为：重铬酸钾溶液活化处理和加热处理后的石墨表面的含氧官能团增加，电极亲水性增强。

The control principle of electrostatic shaping was introduced according to the balance between electrostatic force and resulting force formed by membrane deformation and the complex shaping process of SMEC. Then, taking the trisection circularity electrode for an example, the distribution characteristic of electric potential in the electrostatic field was analyzed, namely, the expression of potential function in the electrostatic field was deduced by Laplacian equation. And then, by combining the difference equation with electric potential expression, the numerical solutions of electrostatic force in single electrode mode and trisection circularity electrode mode were disposed. Finally, the calculated figure was compared with the ideal paraboloid and comparison shows that more accuracy would be achieved by multi-electrode control.

根据静电力与薄膜变形载荷作用力之间的平衡关系和静电拉伸薄膜反射镜成形的复杂过程，介绍了薄膜反射镜静电成形的控制原理；以三等分环状电极为例，分析了静电场中空间电势分布特性，即从拉普拉斯方程推导出静态场势函数的表达式；然后，利用差分与电势方程结合的方法，对单电极电场力和三等分环状电极电场力进行了数值求解；最后，将计算面形与理想抛物面进行了比较，结果显示，单电极情况下得到的薄膜反射镜面形不是理想抛物面，若采用多电极控制可获得更高的控制精度。

2 A kind of enzyme and mediator modified electrode is devised by immobilyzing both N-methyl phenazine sulfate and glucose oxidase on the surface of carbon glassy electrode (GOD-NMP-GC electrode), which successfully realizes the electron transfer process between glucose oxidase and carbon glassy electrode.

将NMP-GC电极与葡萄糖氧化酶结合，制作了GOD-NMP-GC电极，该电极可快速实现电极=NMP介体=GOD活性中心=葡萄糖之间的电子长程转移，并且用循环伏安法对酶催化反应进行了研究；用含丰富乳酸脱氢酶的乳酸杆菌与NMP-GC电极相结合，制作了介体微生物电极，并检测到GC电极=NMP=LDH活性中心=乳酸之间的非均相电子转移。

By means of electric potential method and anodic stripping voltammetry , the trace Cd~(2+) in the soil samples of rich iron content can be determined by a 883—model polarograph, with the mercury membrane electrode of silver base sphericity as the indicating electrode and a large area of sheet—silver electrode as the reference electrode.

本文应用电位法，采用银基球型汞膜电极为指示电极，大面积银片电极为参比电极和883型极谱仪，阳极溶出法测定大量铁存在下的土壤样品中痕量镉。

The current density peak of brass welded line appeared at -0.012 V, and a porous corrosion film was formed. The electrode was passivated subsequently. The passivation film was made up of Cu2O, CuCl and ZnO. The passivation film dissolved with electrode potential, and displacement deposition took place between Cu and Zn. The copper redeposition on the electrode surface induced the increase of electrode activity and corrosion rate.

黄铜焊缝在电位-0.012V时出现电流峰，腐蚀产物膜多孔、疏松，随后电极进入钝化区，钝化膜由Cu2O、CuCl和ZnO组成；随电位升高，钝化膜溶解，发生铜锌置换反应，沉积的Cu导致活性电对的形成，增加了合金的腐蚀速度；当电位为+0.87V时，电极表面富集了针状锡和锡的氧化物。

We studied trivalence chromium ion electrode reaction on three different surface state by cyclic voltammetry, discussed electrode activation influence on electrode reaction, and analysed the mechanism of electrode reaction. We discussed current efficiency during the first charge process and charge/discharge cycle performance by invariable current charge method.

应用循环伏安法考察了三价铬离子在三种不同表面状态石墨电极上的电极反应，探讨了电极表面活化处理对三价铬离子的电极反应的影响，并分析了电极反应的机理；采用恒电流充电的方法探讨铬液流电池初次充电过程的电流效率及恒电流充/放电循环的性能。

Said film made electrode has good charge discharge circulation reversibility, wherein: copper diselenide film made electrode specific capacity keeping on 220 mah/g; copper selenide film made electrode specific capacity keeping on 160 mah/g; cuprous selenide film made electrode specific capacity keeping on 210 mah/g more or less.

由这三种薄膜制成的电极，都具有良好的充放电循环可逆性，其中：由二硒化铜薄膜制成的电极的比容量保持在220mAh/g左右；由硒化铜薄膜制成的电极的比容量保持在160mAh/g左右；由硒化亚铜薄膜制成的电极的比容量保持在210mAh/g左右。

Also the performance of this modified electrode was compared with sodium molybdate modified platinum electrode. The cyclic voltammetry tests show that phosphomolybdic acid modified platinum electrode can increase the catalytic activity for methanol oxidation and it is almost the same as the mono-molybdate (Na2MoO4) modified Pt electrode does. This promote effect mainly comes from the transformation of different valency of molybdenum.

通过循环伏安和计时电流法研究了该修饰电极对甲醇氧化的电催化活性和抗中间产物的毒化作用，并比较了该修饰电极与其单酸盐(Na2MoO4)修饰铂电极的性能，测试结果表明：磷钼酸修饰铂电极能够提高对甲醇氧化反应的催化活性，基本上同其单酸盐Na2MoO4修饰铂电极的催化活性相当，并且这种促进作用主要是由Mo原子价态变化引起的。

Results show that the servic.e life of TiB2/Cu electrode with a TiB2 content of 1.5 wt% reaches 7700 weld spots, which is 4 to 8 times that of Cr-Zr-Cu electrode materials when coated steel sheets are spot welded; the service life of the composite electrode reaches 30000 weld spots, 2 to 3 times that of Cr-Zr-Cu electrode materials when conventional carbon steel sheets are spot welded.

对 T i B2增强铜基复合材料作点焊电极点焊镀层钢板时的失效进行了分析，结果表明：含TiB2为1.5wt％的铜基复合材料作电极，焊接镀锌钢板的使用寿命约为7700点，是普通电极材料Cr－Zr－Cu的4～8倍，焊接普通钢板的使用寿命约为30000点，是普通电极材料Cr－Zr－Cu的2～3倍。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

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我们需要您cosign我们的公共信，要求记者立即停止恐吓，并要求所有收费下降。