搜索筛选:
搜索耗时0.5740秒,为你在为你在102,267,441篇论文里面共找到 1,000 篇相符的论文内容
类      型:
[期刊论文] 作者:, 来源:中国核科技报告 年份:1999
reaction cross sections, secondary neutron spectra and elastic scattering angular distributions of n+151Eu...,153Eu,154Eu and 155Eu in En=0.001~20 MeV were...
[期刊论文] 作者:李广生,彭朝华,崔发智,陈细林,杨毅,鲍杰,杨志红,李大明, 来源:中国原子能科学研究院年报 年份:2000
~(155)Eu和~(156)Euγ射线发射几率的测量@李广生@彭朝华@崔发智@陈细林@杨毅@鲍杰@杨志红@李大明~ (155) Eu and ~ (156) Eu γ ray emission probability...
[期刊论文] 作者:王岩,林圳旭,宋捷,张文星,王怀佩,郭艳青,李洪亮,宋超,黄, 来源:发光学报 年份:2017
利用磁控溅射技术在低温250 ℃下制备Eu掺杂SiCxOy薄膜,研究薄膜的Eu3+发光激发机制.实验结果表明,薄膜的发光谱由来自基体材料的蓝光和来自Eu3+的红光组成;随着薄膜中Eu含量...
[期刊论文] 作者:王岩,林圳旭,宋捷,张文星,王怀佩,郭艳青,李洪亮,宋超,黄, 来源:发光学报 年份:2017
利用磁控溅射技术在低温250 ℃下制备Eu掺杂SiCxOy薄膜,研究薄膜的Eu3+发光激发机制.实验结果表明,薄膜的发光谱由来自基体材料的蓝光和来自Eu3+的红光组成;随着薄膜中Eu含量由...
[期刊论文] 作者:Xin Hua, 来源:当代世界英文版 年份:2019
Executive Deputy Director of Center for EU Studies,  Shanghai International Studies University  T  he...EU-Japan Economic Partnership Agreement coming into force on February 1, 2019 has brought into pla...
[期刊论文] 作者:Xia Liping, 来源:现代国际关系:英文版 年份:2010
Current China-EU Security Relations There are two levels of security relations between China and the...EU....The first level is that of China and the EU as a wh...
[会议论文] 作者:刘丰珍,朱美芳,刘涛,李秉程, 来源:第二届全国金属功能材料第九届全国非晶态材料和物理第三届全国稀土永磁材料联合学术研讨会 年份:2001
采用共溅射和铕离子注入热生长的SiO方法得到SiO(Eu)薄膜,Eu离子的掺杂浓度用Rotherford背散射确定为4﹪和0.5﹪.对样品的光荧光测试发现,薄膜具有峰值在604nm和443nm的红光和蓝光发射...,分别对应于Eu的D-F跃迁和Eu的4f5d-4f(S)的跃迁.样品X射线吸收近边结构(XANES)的研究,表明了在高温氮气中发生了EuEu的转变.SiO(Eu)薄膜高温氮气温退火下蓝光发射...
[期刊论文] 作者:Liu Mingli,, 来源:Beijing Review 年份:2016
The EU must solve structural problems in order to revive its economy The EU economy is in trouble,with...
[期刊论文] 作者:By Liu Mingli, 来源:Beijing Review 年份:2016
The EU economy is in trouble, with new uncertainties brought by Britain’s exit, Italy’s upcoming referendum...EU policymakers are vexed by the current plight, but they ha...
[期刊论文] 作者:, 来源:CHINA TODAY 年份:2021
China, EU Complete Negotiations for China-EU Comprehensive Agreement on Investment  On the evening of...
[期刊论文] 作者:刘应亮,石春山,李有谟, 来源:中国稀土学报:英文版 年份:1990
The nature of the emission center of Eu2+ in KCaF3:Eu2+ strongly depends on the preparative condi-tions.Experimental...
[期刊论文] 作者:宁远涛,文飞, 来源:金属学报 年份:1993
Pd—Eu合金在氧化性气氛中退火时,活性溶质Eu发生内氧化,形成稳定氧化物Eu_2O_3内氧化是由扩散机制控制的Eu_2O_3形核长大过程:氧通过体扩散和晶界扩散进入合金内,Eu由内层扩...
[期刊论文] 作者:宁远涛,文飞,赵怀志,邓德国, 来源:金属学报 年份:1993
Pd—Eu合金在氧化性气氛中退火时,活性溶质Eu发生内氧化,形成稳定氧化物Eu_2O_3内氧化是由扩散机制控制的Eu_2O_3形核长大过程:氧通过体扩散和晶界扩散进入合金内,Eu由内层扩...
[期刊论文] 作者:刘丰珍,朱美芳,刘涛,李秉程, 来源:物理学报 年份:2004
采用共溅射方法和Eu离子注入热生长的SiO2方法得到SiO2(Eu)薄膜,Eu离子的浓度为4%和0.5%。...对样品X射线吸收近边结构(XANES)的研究和分析表明,在高温氮气中发生了Eu3+向Eu2+的转变...
[期刊论文] 作者:Feng,Zhongping,Zhang,Yimeng(翻译, 来源:现代国际关系:英文版 年份:2007
The China-EU relationship attracted global interest in 2006....On the one hand, cooperation between China and the EU was making good progress, but on the othe...
[期刊论文] 作者:FengZhongping,ZhangYimeng, 来源: 年份:2007
The China-EU relationship attracted global interest in 2006....On the one hand, cooperation between China and the EU was making good progress, but on the other,...
[期刊论文] 作者:刘应亮,石春山,李有谟,, 来源:Journal of the Chinese Rare Earth Society(English Edition) 年份:1990
The nature of the emission center of Eu~(2+) in KCaF_3:Eu~(2+) strongly depends on the preparative condi-tions.Experimental...
[期刊论文] 作者:, 来源:Beijing Review 年份:2012
Chinese Premier Wen Jiabao’s attendance at the recent China-EU Summit in Brussels capped his vigorous...efforts to nurture and advance Sino-EU relations.  ...While the EU is China’s top trading partner and...
[期刊论文] 作者:Walter Kolbow SHI Dongmei(Tran, 来源:国际交流:英文版 年份:2007
EU security policies consist of two aspects....Externally, they refer to EU policies towards other c...
[会议论文] 作者:阿景烨,仲云红,陈伟时, 来源:中国核学会2001学术年会 年份:2001
本文简要叙述了HPGeγ谱仪的源峰绝对探测效率刻度的基本原理,着重讨论了利用Eu-152和Eu-154混合源进行效率刻度时,Eu-154源对Eu152的影响及其校正方法....
相关搜索: