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Electron emission characteristics have been investigated for amorphous diamond films with low or even negative electron affinity.

摘要利用阴极电弧法分别在矽基板及镀有一层钐金属的矽基板上沉积非晶钻石。

The carbon based materials have low electron affinity even negative electron affinity,and have the good ability of eradiating electrons in electric field.

其中非晶碳膜具有好的化学稳定性和热稳定性、高的熔点和热导率、小的介电常数、大的载流子迁移率和高的击穿电压，是一种很有前途的场发射冷阴极材料。

LPOXD contains azobenzene and long side chain of alkyl, and shows photo absorption property, good solubility and high electron affinity, which can be used in the filed of optics, and as electron-transport and electroluminescent material.

含有偶氮苯和长烷基侧链的LPOXD，具有光响应性能、优良的溶解性和高的电子亲和势，有望在光学领域、电子传输材料和电致发光材料中得到应用。

The electron structure and molecular conformation of phenothiazine derivatives will be significantly changed with the increase of the electron affinity of the N-10 substituent.

随着N10位取代基电负性的增加，吩噻嗪衍生物的电子结构和分子构型将发生明显的变化。

According to these computated results, the correct experiment values of electron affinity can be chosen from the values of electron affinity which are measured by various experimental methods.

通过计算说明了电子亲合力与诱导效应的定量相关比电负性与诱导效应的定量相关好得多；并应用其定量关系式预测尚未实测到的取代基的电子亲合力值；根据计算结果，可从不同实验方法测得的电子亲合力值中选择正确的实验值。

These materials have excellent chemical and thermal stability, high melting point, high thermal conductivity, high breakdown voltage and large carrier mobility rate especially the smaller electron affinity and potential or even a negative electron affinity, and the situation has greatly reduced the market launch of the threshold voltage, therefore, Field emission of such material will have a very vast potential for development and application prospects.

这些材料具有良好的化学与热稳定性、高熔点、高热导率、高击穿电压及大的载流子迁移率，特别是较小的电子亲和势甚至是负的电子亲和势，大大降低了场发射的阈值电压，因此，这类场发射材料将有着极为广阔的发展潜力及应用前景。

The usually used electron-transporting materials have disadvantages.They can be easily formed crystal,have lower electron affinity,a narrow gap and difficult to limit the complex exciton to the luminescence layer,all of these disadvantages limit,their application.

有机电致发光材料中常用的电子传输材料容易结晶和低的电子亲和性限制了它的应用；并且能隙较窄，难以将复合激子限制在发光层。

Cooling force in electron cooling system is closely related to the temperature of electron beam.

电子冷却系统中冷却力的大小与电子束的温度密切相关。

In case the electron transfer increases the outer electron cloud density of active metal, metal catalyst would be liable to be poisoned by sulfur.

如果这种电子转移的结果使活性金属的电子云密度增加，则金属型催化剂抗硫性就会下降。

Equivalently, the induced electromotive force is the result of the rotation of electric field of light in the electron cloud. Polarization of electron cloud by light and its influences on the induced electromotive force are discussed.

分析了光电场在电子云上引发的极化，以及电子云上的极化对感生电动势的影响，进一步明确了光对电子的三种作用——光的电场作用、磁场作用和电磁感应作用——之间的区别。

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。