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New Electron Emission Materials for CFL 紧凑型荧光灯的新型电子发射材料
Intermingle CaO in electronic emission materials can reduce the evaporation of BaO and increase the emitting electric current. 电子发射材料的组份和质量关系到钨阴极的寿命和支取的电流密度。
A Study of Electron Emission Material and Porous Tungsten by Means of SEM-AES-EDS 用SEM、AES、EDS对电子发射材料(钪酸盐阴极)及其所用的多孔钨体的分析与研究
Analyzing and Probing into Porous Tungsten and Electron Emission Material(Scandate Cathode)by SEM,EDS and IPS on-line Mode 用SEM、EDS和IPS联机方式对多孔钨体及钪酸盐阴极的分析和探讨
Return some saying that certain plant can absorb radioactivity pollution, whether can be radioactivity lost after don't I know these provide emissive material to be absorbed by the plant? 还有的说某些植物可吸收放射性污染，我不知道这些具放射性的物质被植物吸收后是否就会失去放射性？
These complexes were used as emissive materials in the PLED configuration of ITO/ PEDOT: PSS/ PVK (40nm)/PFO: PBD + Ir complex (80nm)/Ba(4nm) /Al(120nm). 将这些材料作为发光层制备结构为ITO/ PEDOT: PSS/ PVK (40nm)/ PFO: PBD + Ir complex (80nm)/ Ba(4nm)/ Al(120nm)的PLED器件，其中以Ppy-Ir-G2 (4 wt.
They also have the highest and most stable electron emissions rate recorded, researchers say. 研究人员称，它们还拥有记录到的最高和最稳定的电子发射率。
The hydrogen in the gauge is ionized by electron emission from a heated cathode. 在离子计内的氢气是用一个加热阴极放射电子来电离的。
They also have the highest and most stable electron emissions rate recorded,researchers say. 研究人员称，它们还拥有记录到的最高和最稳定的电子发射率。
Experimental results show that CP can effectively activate such FEC's for electron emission. 实验结果表明，CP能有效激活长时间存放于恶劣环境的FEC的电子发射；
The molecular effect [R(Yf)] in the forward electron emission decreases with target thickness at a certain energy. 前向发射产额的分子效应R(Yf)，在给定的能量下随靶厚增加而下降。
The material is flawed throughout. 这种材料到处是裂缝。
Preparation and field electron emission of diamond films grown on porous silicon substrates by MW-CVD are studied. 研究了多孔硅衬底微波CVD金刚石薄膜的制备工艺及其场电子发射特性。
The simulation of the Auger electron emissions in scanning probe electron energy spectrometer (SPEES) is reported. 报道了对扫描探针电子能谱仪（SPEES）中俄歇电子出射的理论模拟研究。
A twodimensional model was used to simulate the processes of electron emission and beam transportation. 建立了二维数字模型，并对注入器的电子发射和束流传输过程进行模拟，模拟结果指导了实验调试。
Numberical smiulation is made.Its result is agreement with that of field electron emission experiment. 当考虑到发射体表面的原子级不平整对电场的影响时，利用公式计算的结果与实验结果基本符合。
He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
That material surpasses all others in fineness. 那种材料精良超过其他所有材料。
The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
Abstract： In this paper, the beam dynamics in micro-pulse electron gun (MPG) is studied using SEEG (Secondary Electron Emission Gun) program. 摘要：利用SEEG程序模拟计算了微脉冲电子枪束流动力学问题。