affinity n. 1.姻亲关系 〔cf. consanguinity〕; 密切关系。 2.(语言等的)类似,近似。 3.(男女之间的)吸引力,吸引人的异性。 4.【数学】仿射性。 5.【化学】亲和力。 6.【生物学】类缘,亲缘,类同。 have an affinity for children 喜欢小孩。 the close affinity of German with English 德语与英语的密切近似。 affinity card 亲和卡〔供小团体内部使用的一种信用卡〕。
electron n. 【物理学】电子。 the electron beam 电子束。 the electron theory 电子(学)说。
The electron affinity of cl is only 3. 6ev . Cl的电子亲和能只是36eV。
Ionization energy ( ie ) and electron affinities ( ea ) are expressed as kilojoules per mole 电离能和电子亲和性表达为每千焦耳摩尔。
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 combination of negative electron affinity ( nea ) photocathode and micro channel plate ( mcp ) brings the iii image intensifier . because of its high performance , the iii image intensifier has been developed rapidly and used widely in the short several decades after it had been found 负电子亲和势( nea )光电阴极和微通道板( mcp )的结合产生了三代像增强器,由于这类像增强器具有优良性能,在发现后的短短数十年中获得了迅猛发展和广泛应用。
Based on the energy band characteristics of ordinary negative electron affinity emitter gaas , the design of lengthening the diffusion lengths of negative electron affinity emitter gaas was presented , and the special negative electron affinity emitter gaas was designed 摘要根据通常负电子亲和势二次电子发射材料砷化镓的能级特点,提出延长负电子亲和势二次电子发射材料砷化镓的逸出深度的理论设计,设计出了特殊的负电子亲和势二次电子发射材料砷化镓。
百科解释
The electron affinity of an atom or molecule is defined as the amount of energy released when an electron is added to a neutral atom or molecule to form a negative ion.