The article,in view of its characteristics,with graph theory and genetic algorithm as the base,proposes improved genetic algorithm,single parent genetic algorithm,which is effective,astringent and stable,and designs corresponding sufficiency function,single parent conversion operator and reversal operator.
针对树状管网布置的特点,以图论和遗传算法为理论基础,应用改进遗传算法———单亲遗传算法进行树状管网优化,并设计了相应的适应度函数、单亲换位算子和逆转算子,且算法的寻优效率较高,收敛性和稳定性较好。
The calculated adiabatic electron affinity and ionization potential were 81.
计算得到该团簇的绝热电子亲和势为 81 0 5kJ/mol,离化能为 62 8 88kJ/mol。
The electron affinity and ionization potential in La 2C n cluster were calculated.
用B3LYP/Lan1 2dz方法优化了La2 Cn(n =- 1 ,0 ,+1 )分子的结构 ,计算了La2 C的电子亲和势和离化能 ,并对计算结果进行了讨论。
Coevaporation of Sb+Cs decreases the electron affinity of photocathode so as to obtain.
研究结果表明，Ｎａ２ＫＳｂ材料在制备过程中一直是一种稳定的ｐ型半导体，随着Ｎａ２ＫＳｂ膜层厚度的增加，其峰值响应波长向长波方向移动，白光灵敏度也相应提高；锑、铯交替降低了Ｎａ２ＫＳｂ的电子亲和势，延伸了光谱响应的长波阈值；锑、铯交替的表面处理是最终获得高灵敏度多碱阴极的关键。
negative electron affinity image intensifier
负电子亲和势像增强器
negative electron affinity photocathode
负电子亲和势光阴极
Property Evaluation of NEA Photocathodes
负电子亲和势光电阴极评估技术研究
Revision of quantum efficiency formula for negative electron affinity photocathodes
负电子亲和势光电阴极量子效率公式的修正
Activation mechanism of negative electron affinity GaN photocathode
负电子亲和势GaN光电阴极激活机理研究
The electron affinity of Cl is only 3.6eV.
cl的电子亲和能只是3．6eV。
The theoretical calculation methods, the calculated properties such as geometry, EA and IP of silver clusters are also discussed.
总结了银团簇的理论计算方法及计算得到的主要性质如稳定几何结构、子亲和势与电离能。
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。
The Study on the Structure, Thermochemistry, and Electron Affinities of Hydrogenated Silicon Clusters;
硅氢双原子簇结构、热化学和电子亲和能的研究
Static Dielectric Function of Electron Gas and Screened Potential in Quantum Wells
量子阱中电子气的静态介电函数和屏蔽势
Fault Diagnosis and Prediction for Airborne Electronic Equipment
机载电子设备的故障诊断和趋势预测
nea photocathode
负电子亲合力光电阴极
Relationship between Genetic Distance Based on Molecular Markers and Heterosis and Combining Ability of Wheat;
小麦亲本间分子遗传距离与F1杂种优势和配合力的相关性分析
Differential Gene Expression between Rice Hybrid and Their Parents and in Search of Molecular Basis of Heterosis;
水稻杂种和亲本间差异表达基因与杂种优势分子机理关系初探
The State and Tendency of Education for Power Electronics Abroad;
国外高校电力电子技术教育的现状和改革趋势
The Potential Energy Functions of SiO Molecule and the External Electric Field Effects on SiO_x(X=1,2) Molecules
SiO分子势能函数和SiO_x(X=1,2)分子外电场效应
Scale of Element Electronegativity by Intensive Electrostatic Potential of Atomic Nucleus and Quantity of Electricity of Atomic Valence Shell
原子核强度电势和原子价层电量对元素电负性的标度
Development trend of modern microelectronical technology and industry;
当代微电子技术和产业的发展趋势综述