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Indirect electrochemical oxidation of anethole to anisaldehyde was investigated in non-membrane electrolytic cell using Mn/Mn as redox mediator, and pure lead as cathode and anode in sulphuric acid solution. The effects of electrolysis conditions on the yield of Mn was particularly discussed.

研究了在硫酸溶液中以Mn/Mn作为媒质，铅为阴极和阳极，在无隔膜电解槽中间接电化学氧化茴香脑合成茴香醛，讨论了电解反应条件对电解产率的影响。

Indirect electrochemical oxidation of anethole to anisaldehyde was investigated in non-membrane electrolytic cell using Mn/Mn as redox mediator,and pure lead as cathode and anode in sulphuric acid solution.

研究了在硫酸溶液中以Mn/Mn作为媒质，铅为阴极和阳极，在无隔膜电解槽中间接电化学氧化茴香脑合成茴香醛，讨论了电解反应条件对电解产率的影响。

The angle between anode and cathode was about 60 degrees.

之间的夹角阳极和阴极约60度。

At the early stage of MCFC operation, the porous Ni-based cathode subjected to the load of cell stack may deteriorate in the process of its transformation to the working lithiated NiO cathode, which will result in the potential damage to the cell performance and lifetime.

熔融碳酸盐燃料电池在开始运行初期，承受一定负荷的多孔镍在转化为多孔氧化镍阴极的过程中往往会受到较严重的形变破坏，对电池的使用性能和寿命造成不良影响。

A Monte Carlo model was used to simulate the spatial and energy distribution of the emission electrons from the micro hollow cathode discharge, based on these results, spatial distribution of the electron in the micro hollow cathode sustained glow discharge was also modeled.

利用蒙特卡洛方法模拟了微空心阴极放电出射电子的空间以及能量分布，并在此基础上模拟了微空心阴极放电自持的辉光放电中电子的空间分布。

Also the discharge current and gas pressure are both high. The study of the cathode properties such as its material, reaction with gases in a PCVD ambient, temperature, surface state, etc, comes to the conclusions which are much different with that of the cold cathode glow discharge.

由此导致了对于阴极材料的选择、阴极在PCVD气氛中的反应、阴极的工作温度、表面状态等涉及到阴极性质的研究工作，均得到有别于常规冷阴极辉光放电的具有热阴极特征的结论。

It can operate at high pressure by reducing the dimension of the cathode to sub millimeter level. MHCD can be used as plasma cathode for high-pressure glow discharge to solve the instability of glow-to-arc transition.

将MHCD作为大体积辉光放电的外部电子源，可以解决高气压下大体积辉光放电不稳定的问题。

Based on the hollow cathode effect and low-pressure glow discharge empirical formulas, the hollow cathode, the accelerating gap, and the working gas pressure region are given.

基于空心阴极效应和低压辉光放电原理与经验，确定了空心阴极、加速间隙、工作气压范围等。

The diamond film deposition experiments with hot cathode glow discharge PCVD shows that the cathode temperature has no apparent influence on deposition rate and film quality. With the increase of gas pressure, the gas density, electron temperature, gas dissociation rate in the plasma region change differently.

在热阴极辉光放电PCVD沉积金刚石膜中，适当的阴极温度是保证大电流、高气压辉光放电稳定工作的必要条件，它影响着辉光放电阴极位降区的放电性质，但对金刚石膜的沉积速率和膜品质基本没有影响。

The results show that:(1) MnO2 deposition on the surface is the main factor resulting in cathode polarization, and the flowing of the solution can remarkably reduce this polarization. Furthermore, the buffered solution can reduce the polarization resulting from H+ concentration difference;(2) it is deduced from the polarization curve that the key factor influencing the performance of MFC is microbial number and metabolic rate and the electron transferring rate from microbial to electrode;(3) the power density arrives at the biggest, 824 mW/m2, when outer resistance is 300 Ω, which is accordance to the inner resistance,(284±18)Ω, deduced from I-V curve;(4) the influences of pH and permanganate concentration on cathode potential is in agreement to Nernst equation.

研究结果显示：(1) MnO2在碳纸表面的沉积是阴极极化的主要原因，而溶液流动可以明显降低极化程度；将高锰酸钾溶解在缓冲溶液中可以进一步降低阴极H+浓差极化；(2)根据极化曲线可以推断，影响电池输出功率的决定性因素应是微生物代谢反应速度和微生物与电极之间的电子传递速率；(3)随外电阻的变化，电池输出功率出现极大值824 mW/m2，相应外电阻为300 Ω左右，这与通过 I-V 关系曲线推导得到的电池内阻(284±18)Ω相吻合；(4) pH值和高锰酸钾浓度对电池阴极电极电势的影响符合Nernst方程。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。