查询词典 cathode ray tubes

The thermionic emission properties of rare earth doped molybdenum cathode and impregnatedcathode with sub-micron scandia doped tungsten matrix, and the secondary emission property of rare earth dopedmolybdenum cathode have been studied in this paper.

稀土掺杂钼热阴极发射特性和浸渍与亚微米斯坎迪亚掺杂钨阴极基体，以及稀土掺杂二级排放特性钼阴极进行了研究，在此文件。

We made aluminum and silver thin films as semi-transparent cathode. The transmittance of the semitransparent cathode was about 30%.

首先制备了ITO薄膜调节层，然后制备了半透明金属复合阴极，复合阴极对可见光的透射率为30％左右。

Ferroelectrics cathode is a high-density electron beam pulse source. It has many advantages when comparing with traditional thermionic cathode.

铁电阴极是一种强流的脉冲电子束源，同传统的热电子阴极相比具有许多独特的优点，因而在高能物理、电子学、真空微电子等领域有可能取代普通热阴极及场发射阴极。

Cathode vacuum arc discharge between the duct and the cathode is observed.

通过在90°磁过滤管道和阴极之间加一30～60V的正偏压使系统沉积速率得到了大幅度提高。

When magnetic filter duct is biased positively 30~60 V relative to the cathode of a MEVVA plasma source, cathodic vacuum arc discharge is generated between the duct and cathode.

在 90°磁过滤管道和MEVVA源阴极之间加一 30～ 60V的正偏压，可使磁过滤管道起到阴极弧放电第二阳极的作用。

The device comprises an arc discharge vacuum chamber; wherein, the arc discharge vacuum chamber is connected with a vacuum pump and is internally provided with a graphite cathode and a graphite anode which are connected with a DC supply. The device is characterized in that the graphite cathode and the graphite anode are respectively provided with an upper spherical crown shape graphite plate and a lower spherical crown shape graphite plate which are matched with each other and formed a spherical crown shape capacitor.

它包括电弧放电真空室，电弧放电真空室与真空泵相连接，电弧放电真空室内设有石墨阴极和石墨阳极，石墨阴极和石墨阳极与直流电源相连接，其特征在于在石墨阴极和石墨阳极上分别设相配合的上球冠形石墨板和下球冠形石墨板，上球冠形石墨板和下球冠形石墨板形成球冠型电容器。

According to the results of H. Vogt about the relationship between current density and cathode potential, the cathode current density of 3000A/m〓 is determined.

根据H.Vogt对电流密度和阴极电位关系的研究结果，选择电沉积铜的阴极电流密度为3000A／m〓。

An RF ion source suitable for low power operation over a range of pressures in air which comprises discharge electrode, a cathode and an anode, the cathode being connected to an rf signal supply through an associated coupling means and the anode adapted to provide a surface area over which a plasma discharge may occur no greater than substantially that of the cathodal area over which the discharge may occur.

在空气压力范围内适合低功率工作的射频离子源，该离子源包含放电电极，一个阴极和一个阳极，该阴极通过相关的连接装置连接到射频信号源，调节该阳极以提供等离子放电可能发生的表面区域，该区域不大于放电可能发生的阴极区域。

In the paper, some factors influencing the effect of reduction including the anodic material, the cathodal material, the area ratio of cathode to anode and the kind of electrolyte have been investigated and screened out. The result showed that under the same reduction conditions, the reduction of Cr6+ has better effect to use lead-antimony alloy as anode, iron plate as cathode, which area ratio is 7:1 and potassium sulphate as electrolyte.

本文首先对影响电解还原效果的阳极材料、阴极材料、阴阳极面积比和支持电解质加入的种类等因素进行了研究筛选，结果表明：在同样电解还原条件下，实验中阳极采用铅-锑合金，阴极采用铁板，阴阳极面积比取7∶1，支持电解质取为硫酸钾时，具有较好的Cr~(6+)还原效果；同时在采用铅-锑合金作阳极的条件下，通过正交实验，对影响直接在碱性介质中电解还原低浓度含铬废水的其他因素进行了研究，即研究了在电化学还原过程中，Cr~(6+)的初始浓度、极板间距、支持电解质的加入量、搅拌情况等因素对还原效果的影响程度，确定出了主要的影响因素。

A catholyte reservoir (76) external to the cathode chamber supplies catholyte (40) to and removes gases (73) from the cathode chamber.

设置在阴极室外部的阴极电解液储存器（76）向阴极室供应阴极电解液（40）并从阴极室排出气体（73）。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。