affinity n. 1.姻親關(guān)系 〔cf. consanguinity〕; 密切關(guān)系。 2.(語言等的)類似,近似。 3.(男女之間的)吸引力,吸引人的異性。 4.【數(shù)學(xué)】仿射性。 5.【化學(xué)】親和力。 6.【生物學(xué)】類緣,親緣,類同。 have an affinity for children 喜歡小孩。 the close affinity of German with English 德語與英語的密切近似。 affinity card 親和卡〔供小團(tuán)體內(nèi)部使用的一種信用卡〕。
electron n. 【物理學(xué)】電子。 the electron beam 電子束。 the electron theory 電子(學(xué))說。
The electron affinity of cl is only 3. 6ev . Cl的電子親和能只是36eV。
Ionization energy ( ie ) and electron affinities ( ea ) are expressed as kilojoules per mole 電離能和電子親和性表達(dá)為每千焦耳摩爾。
Electron emission characteristics have been investigated for amorphous diamond films with low or even negative electron affinity 摘要利用陰極電弧法分別在矽基板及鍍有一層釤金屬的矽基板上沉積非晶鉆石。
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 負(fù)電子親和勢( nea )光電陰極和微通道板( mcp )的結(jié)合產(chǎn)生了三代像增強(qiáng)器,由于這類像增強(qiáng)器具有優(yōu)良性能,在發(fā)現(xiàn)后的短短數(shù)十年中獲得了迅猛發(fā)展和廣泛應(yīng)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 摘要根據(jù)通常負(fù)電子親和勢二次電子發(fā)射材料砷化鎵的能級特點,提出延長負(fù)電子親和勢二次電子發(fā)射材料砷化鎵的逸出深度的理論設(shè)計,設(shè)計出了特殊的負(fù)電子親和勢二次電子發(fā)射材料砷化鎵。
百科解釋
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.